CN106487678A - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
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- CN106487678A CN106487678A CN201510535084.3A CN201510535084A CN106487678A CN 106487678 A CN106487678 A CN 106487678A CN 201510535084 A CN201510535084 A CN 201510535084A CN 106487678 A CN106487678 A CN 106487678A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/22—Alternate routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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- Computer Networks & Wireless Communication (AREA)
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- Data Exchanges In Wide-Area Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides data transmission method and device, wherein, this data transmission method includes：Determine and the first data that the first network element sends was not received in first scheduled time from the first link, wherein, the first link is additionally operable to send the second data to the first network element；Send the second data using the second link；After sending the second data using the second link, stop sending the second data using the first link.Solve the problems, such as to produce data packetloss in correlation technique link handoff procedure, and then reached the effect of data complete transmission during link switching.
Description
Technical field
The present invention relates to the communications field, in particular to data transmission method and device.
Background technology
In current Internet protocol (Internet Protocol, referred to as IP) network, flow (i.e. data) be all with
The form being encapsulated in the packet of IP heading transmits in a network.In order to ensure the reliability of flow transmission, Suo Youyun
In battalion's business's network and enterprise network, it is substantially all and deploys main/slave link protection.By the protection of main/slave link, substantially may be used
To ensure the transmitting of flow.But, when there are active and standby cutover demand or test active-standby switch in operator and enterprise, meeting
There is data packetloss.In correlation technique, if active and standby by pulling out optical fiber cutover switching, optical fiber disconnects on physical layer
Switching cannot ensure flow not packet loss.Network flow cutover to standby link on when, most of operators and enterprise
It is intended to up-downgoing flow not packet losses.
For the problem that can produce data packetloss in correlation technique link handoff procedure, not yet propose at present effectively to solve
Scheme.
Content of the invention
The invention provides data transmission method and device, to solve to produce data in correlation technique link handoff procedure
The problem of packet loss.
According to an aspect of the invention, it is provided a kind of data transmission method, including：Determine in first scheduled time not
The first data that first network element sends is received from the first link, wherein, described first link is additionally operable to described first
Network element sends the second data；Send described second data using the second link；Sending described the using described second link
After two data, stop sending described second data using described first link.
Alternatively, stop including using described first described second data of link transmission：Close being used for of described first link
Send the laser instrument of described second data.
Alternatively, the institute that described first network element sends was not received within first scheduled time of determination from described first link
After stating the first data, also include：Close the laser instrument for receiving described first data of described first link.
According to another aspect of the present invention, additionally provide a kind of data transmission method, including：Using the first chain road direction
When second network element sends the first data, determine and need to send described first data using the second network element described in the second chain road direction；
Send described first data using the second network element described in described second chain road direction；Sending described the using described second link
After one data, stop sending described first data using described first link.
Alternatively, stop including using described first described first data of link transmission：Close being used for of described first link
Send the laser instrument of described first data.
Alternatively, described first link is additionally operable to receive the second data that described second network element sends, using described second
After described in chain road direction, the second network element sends described first data, also include：Determine in second scheduled time not from described
Described second data that described second network element sends is received on one link；Stop receiving described the using described first link
Described second data that two network elements send.
Alternatively, stop described second data using described first link receives described second network element transmission to include：Close
The laser instrument for receiving described second data of described first link.
According to an aspect of the present invention, additionally provide a kind of data transmission device, including：First determining module, is used for
Determine and the first data that the first network element sends, wherein, described first were not received in first scheduled time from the first link
Link is additionally operable to send the second data to described first network element；First sending module, described for being sent using the second link
Second data；First stopping modular, for, after sending described second data using described second link, stopping utilizing institute
State the first link and send described second data.
Alternatively, described first stopping modular includes：First closing unit, for close described first link for send out
Send the laser instrument of described second data.
Alternatively, described device also includes：Closedown module, for determine first scheduled time in not from described first chain
After described first data that described first network element sends is received on road, close the described for receiving of described first link
The laser instrument of the first data.
According to an aspect of the present invention, additionally provide a kind of data transmission device, including：Second determining module, is used for
When sending the first data using first chain road direction the second network element, determining needs to send out using the second network element described in the second chain road direction
Send described first data；Second sending module, for sending described first using the second network element described in described second chain road direction
Data；Second stopping modular, for, after sending described first data using described second link, stopping using described the
One link sends described first data.
Alternatively, described second stopping modular includes：Second closing unit, for close described first link for send out
Send the laser instrument of described first data.
Alternatively, described device also includes：3rd determining module, for using the second net described in described second chain road direction
After unit sends described first data, determine and described second net was not received in second scheduled time from described first link
The second data that unit sends, wherein, described first link is additionally operable to receive described second data that described second network element sends；
3rd stopping modular, for stopping receiving, using described first link, described second data that described second network element sends.
Alternatively, described 3rd stopping modular includes：3rd closing unit, for close described first link be used for connect
Receive the laser instrument of described second data.
By the present invention, from the first link, do not receive the first of the first network element transmission in first scheduled time using determining
Data, wherein, described first link is additionally operable to send the second data to described first network element；Send institute using the second link
State the second data；After sending described second data using described second link, stop sending institute using described first link
The method stating the second data, before sending the second data by the second link, determines within first scheduled time not from first
First data is received on link, and then stops sending the second data it is ensured that using the second chain using the first link
Before road sends data, the data on the first link, by the reception of not packet loss, solves correlation technique link handoff procedure
The middle problem that can produce data packetloss, and then reached the technique effect of data complete transmission during active/standby link switchover.
Brief description
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, the present invention
Schematic description and description be used for explaining the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart one of data transmission method according to embodiments of the present invention；
Fig. 2 is the flowchart 2 of data transmission method according to embodiments of the present invention；
Fig. 3 is the structured flowchart one of data transmission device according to embodiments of the present invention；
Fig. 4 is the structured flowchart of the first stopping modular 36 in data transmission device according to embodiments of the present invention；
Fig. 5 is the alternative construction block diagram one of data transmission device according to embodiments of the present invention；
Fig. 6 is the structured flowchart two of data transmission device according to embodiments of the present invention；
Fig. 7 is the structured flowchart of the second stopping modular 66 in data transmission device according to embodiments of the present invention；
Fig. 8 is the alternative construction block diagram two of data transmission device according to embodiments of the present invention；
Fig. 9 is the structured flowchart of the 3rd stopping modular 84 in data transmission device according to embodiments of the present invention；
Figure 10 is main/slave link protection scene graph according to embodiments of the present invention；
Figure 11 is the flow chart of the luminous method being switched to standby link by primary link of local terminal according to embodiments of the present invention；
Figure 12 is the flow chart of the luminous method being switched to standby link by primary link in opposite end according to embodiments of the present invention.
Specific embodiment
To describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in the feelings do not conflicted
Under condition, the embodiment in the application and the feature in embodiment can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second "
Etc. being for distinguishing similar object, without for describing specific order or precedence.
Provide a kind of data transmission method in the present embodiment, Fig. 1 is data transmission method according to embodiments of the present invention
Flow chart one, as shown in figure 1, this flow process comprises the steps：
Step S102, determines and does not receive the first data that the first network element sends in first scheduled time from the first link,
Wherein, the first link is additionally operable to send the second data to the first network element；
Step S104, sends the second data using the second link；
Step S106, after sending the second data using the second link, stops sending the second data using the first link.
By above-mentioned steps, determine and the first number that the first network element sends was not received in first scheduled time from the first link
According to wherein, the first link is additionally operable to send the second data to the first network element, that is, illustrate to can't detect on the first link
The first data that first network element sends, the first link there may be problem, needs to enter with the first network element using other links
Row data transfer, now needs handoff links, therefore, it can using replacing link, that is, the second link sends the second data；
After sending the second data using the second link, stop sending the second data it is ensured that cutting in link using the first link
After the completion of changing, after the data of transmission is received on the first link, turn off the data is activation on the first link.From
And solve the problems, such as produce data packetloss in correlation technique link handoff procedure, and then reach active/standby link switchover
During data complete transmission technique effect.In the present embodiment, the first link can be active link, the second link
Be reserve link or the first link be reserve link, the second link is active link.If there is more than one
Reserve link, the first link and the second link can also be all reserve link.
In one alternate embodiment, stop in step S106 can including using first link transmission the second data：Close
Close the laser instrument for sending the second data of the first link.In this alternative embodiment, carry out data using laser instrument
Send, can be the lighting function (that is, laser instrument can be provided simultaneously with receiving light function and lighting function) of closing laser instrument,
Can also be that (that is, laser instrument is only to possess the laser instrument receiving light function to the corresponding emitting laser of closing, or is only to have
The laser instrument of standby lighting function).
In an optional embodiment, after step S102, above-mentioned data transmission method can also include：Close the
The laser instrument for receiving the first data of one link.From the first link, the is not received determining in first scheduled time
The first data that one network element sends, can obtain the first network element within first scheduled time and not carry out data using the first link
Send, thus the laser instrument being used for receiving data of the first link cuts out, the number sending can be ensured on the first link
According to being fully received, data packetloss will not be produced.In this alternative embodiment, carry out connecing of data using laser instrument
Receive, light laser can be received accordingly for the receipts light function or closing of closing laser instrument.
A kind of data transmission method is additionally provided, Fig. 2 is data transfer according to embodiments of the present invention in the embodiment of the present invention
The flowchart 2 of method, as shown in Fig. 2 the method includes：
Step S202, when sending the first data using first chain road direction the second network element, determining needs using the second link
Send the first data to the second network element；
Step S204, sends the first data using second chain road direction the second network element；
Step S206, after sending the first data using the second link, stops sending the first data using the first link.
By above-mentioned steps, when sending the first data using first chain road direction the second network element, determining needs using the second chain
Road direction second network element sends the first data, that is, illustrate that determination carries out link switching, originally utilizes the first link to send first
Data, sends the first data now with the second link；Send the first data using second chain road direction the second network element, that is, say
Clear link switching success；After sending the first data using the second link, stop sending the first data using the first link,
Illustrate after the completion of link switching, then stop the first link the first data send it is ensured that number on the first link
Unaffected in handoff procedure according to being sent in, solve in correlation technique link handoff procedure and can produce asking of data packetloss
Topic, and then reached the technique effect of data complete transmission during active/standby link switchover.In the present embodiment, the first chain
Road can be active link, and the second link is reserve link or the first link is reserve link, and the second link is
Active link.If there is more than one reserve link, the first link and the second link can also be all reserve link.
In one alternate embodiment, stop in step S206 can including using first link transmission the first data：Close
Close the laser instrument for sending the first data of the first link.In this alternative embodiment, carry out data using laser instrument
Send, for closing the lighting function of laser instrument or corresponding emitting laser can be closed.
In one alternate embodiment, the first link is additionally operable to receive the second data that the second network element sends, in step S204
Afterwards, above-mentioned data transmission method for uplink can also include：Determine in second scheduled time and from the first link, do not receive second
The second data that network element sends；Stop receiving, using the first link, the second data that the second network element sends.In this optional enforcement
In example, the second data was not received within second scheduled time from the first link, that is, illustrate data on the first link
Through all receiving it is ensured that the data on the first link all receives, will not packet loss.
In one alternate embodiment, stop in above-mentioned alternative embodiment receiving that the second network element sends using the first link the
Two data can include：Close the laser instrument for receiving the second data of the first link.In this alternative embodiment, profit
Carry out the reception of data with laser instrument, can swash for the corresponding light of receiving of receipts light function or closing closing laser instrument
Light device.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-described embodiment
Method can realize by the mode of software plus necessary general hardware platform naturally it is also possible to pass through hardware, but a lot
In the case of the former is more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing
Have what technology contributed partly can embody in the form of software product, this computer software product is stored in one
In storage medium (as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can
To be mobile phone, computer, server, or the network equipment etc.) method described in execution each embodiment of the present invention.
Additionally provide data transmission device in the present embodiment, in the present embodiment, data transmission device is used for realizing above-mentioned enforcement
Example and optional embodiment, had carried out repeating no more of explanation.As used below, term " module " is permissible
Realize the software of predetermined function and/or the combination of hardware.Although the device described by following examples is preferably come with software
Realize, but hardware, or the realization of the combination of software and hardware is also may and to be contemplated.
Fig. 3 is the structured flowchart one of data transmission device according to embodiments of the present invention, as shown in figure 3, this device includes
First determining module 32, the first sending module 34 and the first stopping modular 36, illustrate to this device below.
First determining module 32, does not receive what the first network element sent for determining from the first link in first scheduled time
First data, wherein, the first link is additionally operable to send the second data to the first network element；First sending module 34, is connected to
Above-mentioned first determining module 32, for sending the second data using the second link；First stopping modular 36, is connected to
State the first sending module 34, for after sending the second data using the second link, stopping sending second using the first link
Data.
Fig. 4 is the structured flowchart of the first stopping modular 36 in data transmission device according to embodiments of the present invention, as Fig. 4 institute
Show, the first stopping modular 36 includes：First closing unit 42, illustrates to the first stopping modular 26 below.
First closing unit 42, for closing the laser instrument for sending the second data of the first link.
Fig. 5 is the alternative construction block diagram one of data transmission device according to embodiments of the present invention, as shown in figure 5, this device
In addition to including all modules shown in Fig. 3, also include closedown module 52, below this device is illustrated.
Closedown module 52, is connected to above-mentioned first determining module 32, for determine first scheduled time in not from described
After described first data that described first network element sends is received on the first link, close the first link for receiving the
The laser instrument of one data.
The embodiment of the present invention additionally provides a kind of data transmission device, and Fig. 6 is data transfer dress according to embodiments of the present invention
The structured flowchart two put, as shown in fig. 6, this device includes：Second determining module 62, the second sending module 64 and
Two stopping modulars 66, illustrate to this device below.
Second determining module 62, needs to utilize for when sending the first data using first chain road direction the second network element, determining
Second chain road direction the second network element sends the first data；Second sending module 64, connects to above-mentioned second determining module 62,
For sending the first data using second chain road direction the second network element；Second stopping modular 66, connects to the above-mentioned second transmission mould
Block 64, for after sending the first data using the second link, stopping sending the first data using the first link.
Fig. 7 is the structured flowchart of the second stopping modular 66 in data transmission device according to embodiments of the present invention, such as Fig. 7
Shown, the second stopping modular 66 includes：Second closing unit 72, illustrates to this device below.
Second closing unit 72, for closing the laser instrument for sending the first data of the first link.
Fig. 8 is the alternative construction block diagram two of data transmission device according to embodiments of the present invention, as shown in figure 8, this device
In addition to including all modules shown in Fig. 6, also include the 3rd determining module 82 and the 3rd stopping modular 84, below to this
Device illustrates.
3rd determining module 82, is connected to above-mentioned second sending module 64, for using described in described second chain road direction
After second network element sends described first data, determine and the second network element was not received in second scheduled time from the first link
The second data sending, wherein, the first link is additionally operable to receive the second data that the second network element sends；3rd stopping modular
84, it is connected to above-mentioned 3rd determining module 82, for stopping receiving, using the first link, the second data that the second network element sends.
Fig. 9 is the structured flowchart of the 3rd stopping modular 84 in data transmission device according to embodiments of the present invention, such as Fig. 9
Shown, the 3rd stopping modular 84 includes the 3rd closing unit 92, below the 3rd stopping modular 84 is illustrated.
3rd closing unit 92, for closing the laser instrument for receiving the second data of the first link.
Below with above-mentioned first link as primary link, as a example the second link is standby link, the present invention will be described：
The technical scheme that the embodiment of the present invention adopts is substantially as follows：
1st, during shutdown flow primary link (i.e. the first link in above-described embodiment) port, swashed by late release
Light device lights, and flow still sends out from primary link, passes through shutdown command triggers active and standby within this section of time delay
Switching, allows flow switch to after standby link (i.e. the second link in above-described embodiment), then by local terminal (i.e. above-mentioned enforcement
Example in the first network element) laser instrument light close, thus ensure local terminal up (i.e. from local terminal to opposite end, from the first network element to
Second network element) flow zero packet loss, wherein, above-mentioned local terminal (i.e. the first network element) can be router or exchange
Machine.The receipts light of standby link laser instrument and light and remain open mode when carrying out active/standby link switchover, thus ensureing to lead
Data is activation and reception is not affected in standby link handoff procedure.
2nd, after shutdown flow main chain road port, after local terminal laser instrument lights and cuts out, opposite end (i.e. above-described embodiment
In the second network element) can not receive light after, first notice of delay opposite end laser instrument light close it is ensured that opposite end downlink traffic remains to
Enough issue from primary link, notify active-standby switch within this section of time delay, allow flow switch to after standby link, then will
Laser instrument lights and cuts out, thus ensureing opposite end downlink traffic zero packet loss, wherein, above-mentioned opposite end (i.e. the second network element) is permissible
It is router or switch.It is achieved thereby that two-way (uplink and downlink) flow not packet loss.
Figure 10 is main/slave link protection scene graph according to embodiments of the present invention, and as shown in Figure 10, bidirectional traffics pass through two
Platform switch or router, link (each pair by two pairs of fibre between two routers (can also be two switches)
Optical fiber corresponds respectively to the first above-mentioned link and the second link), each pair optical fiber has two optical fiber, sends out for one, receipts,
In physical layer laser instrument, opposite end is dealt into light from local terminal by the fibre that locally lights, and opposite end is also from this by laser instrument light
Ground emitting optical fiber is dealt into opposite end, and opposite end forwards after receiving flow again.
Figure 11 is the flow chart of the luminous method being switched to standby link by primary link of local terminal according to embodiments of the present invention, such as
Shown in Figure 11, the method comprises the following steps：
Step S1102, when shutdown local terminal primary link, passes through deferred delivery on switch or router
Shutdown order, to physical port, allows the laser instrument of port to light and receives light and all postpone closing, now on switch or road
By the outlet that inside device, the route of flow or outgoing interface are switched to standby link, flow is guided on standby link, thus
Realize uplink traffic not packet loss；
Laser instrument after flow is guided on standby link, just lights and cuts out, the receipts light of primary link is still simultaneously by step S1104
Keep receiving light state, do not allow the receipts of port close it is ensured that flow can be received from opposite end；
Step S1106, after opposite end does not all receive light in the given time, opposite end laser instrument receives light and cuts out.
In actual mechanical process, receiving light end due to local terminal laser instrument luminous end and opposite end laser instrument is by an optical fiber even
Connect, so, after local terminal laser instrument lights and cuts out, opposite end laser instrument is able to detect that in optical fiber link does not have light, from
And opposite end laser instrument can be closed and receive light.
Figure 12 is the flow chart of the luminous method being switched to standby link by primary link in opposite end according to embodiments of the present invention, such as
Shown in Figure 12, the method comprises the steps：
Step S1202, closes when local terminal laser instrument lights, after opposite end no longer receives light, opposite end also late release laser instrument
Luminous, then downlink traffic still can be dealt into local terminal from primary link, notify switch simultaneously or router carry out active and standby
Switching；
Step S1204, turns off opposite end laser instrument after flow is switched to standby link completely and lights；
Step S1206, closes local terminal laser instrument and receives light；
Ensure that downlink traffic also achieves zero packet loss by step S1202 to step S1206.
After step shown in Figure 11 and Figure 12 has been carried out, two-way laser device all cuts out, and then closes both sides port completely
Close (down) to fall.
Using step S1102 in the embodiment of the present invention to step S1106 and step S1202 to step S1206 described in side
Method, not only enable the uplink traffic of shutdown local terminal port not packet loss it is also possible to realize the downlink traffic of opposite end
Not packet loss.
In above-described embodiment, Figure 11 and Figure 12 gives the general embodiments of two big application scenarios, i.e. switch and route
Two kinds of scenes of device, and the protection between switch and the main/slave link of router can be divided into aggregation group active and standby, route is active and standby,
The protection of the scenes such as tunnel Hot Spare (hot-standby, referred to as HSB).Reality to technical scheme below in conjunction with the accompanying drawings
Apply described in further detail.
Scene 1：
Hardware module part includes：Two switches, are connected with two pairs of fibre between switch, and configuration aggregation group is led
Standby protection, as shown in Figure 10.
The process step of flow elements is as follows：
As shown in figure 11, switch prepares aggregation group and form main and standby relation, after confirming that flow is walked from primary link,
Shutdown local terminal link port, late release local terminal laser instrument lights, and aggregation group status of primary link is maintained as leading, and allows
Flow still sends out from master, and then carries out aggregation group switching by software inside switch, after the completion of switching that is, former
After coming based on the standby change of aggregation group, then flow is allowed to send out from standby link again, thus accomplishing uplink traffic not packet loss, finally
Turn off local terminal laser instrument to light and opposite end laser instrument receipts light.The way of descending not packet loss is as shown in figure 12, when opposite end is swashed
After light device receives light cut out, late release opposite end laser instrument lights, and allows flow still to send out from primary link, and in switch
Portion notifies aggregation group to carry out active-standby switch, after original standby link is changed into new primary link, then allows flow switch to come,
Thus ensureing downlink traffic also not packet loss.Finally close that opposite end laser instrument lights and light received by local terminal laser instrument, allow both sides port
All down falls.
Scene 2：
Hardware module part includes：Two routers, are connected with two pairs of fibre between router, and configuration route is active and standby to be carried out
Main-apparatus protection, as shown in Figure 10.
The process step of flow elements is as follows：
As shown in figure 11, router prepares route and form main and standby relation, after confirming that flow is walked from primary link, shutdown
Local terminal link port, late release local terminal laser instrument lights, and route status of primary link is maintained as leading, and allows flow still from master
Send out, and router interior then carries out routeing active-standby switch by software, after the completion of switching, that is, original route
After based on standby change, then allowing flow to send out from standby link again, thus accomplishing uplink traffic not packet loss, finally turning off local terminal
Laser instrument lights and light received by opposite end laser instrument.The way of descending not packet loss as shown in figure 12, is received light when opposite end laser instrument and is closed
After closing, late release opposite end laser instrument lights, and allows flow still to send out from primary link, and notifies route in router interior
Carry out active-standby switch, after original standby link is changed into new primary link, then allow flow switch to come, thus ensureing descending
Flow also not packet loss.Finally close opposite end laser instrument to light and local terminal laser instrument receipts light, allow both sides port all down to fall.
Scene 3：
Hardware module part includes：Two routers, are connected with two pairs of fibre between router, configured tunneling technique HSB enters
Row main-apparatus protection, as shown in Figure 10.
The process step of flow elements is as follows：
As shown in figure 11, router prepares tunnel HSB and form main and standby relation, after confirming that flow is walked from primary link,
Shutdown local terminal link port, late release local terminal laser instrument lights, and tunnel HSB status of primary link is maintained as leading,
Allow flow still to send out from master, and router interior then carries out tunnel HSB switching by software, after the completion of switching,
After the standby link of exactly original tunnel HSB is changed into primary link, then flow is allowed to send out from standby link again, thus on accomplishing
Row flow not packet loss, finally turns off local terminal laser instrument and lights and opposite end laser instrument receipts light.The way of descending not packet loss is as schemed
Shown in 12, after opposite end laser instrument receives light and cuts out, late release opposite end laser instrument lights, and allows flow still to send from primary link
Go, and notify aggregation group to carry out active-standby switch in router interior, after original standby link is changed into new primary link, then
Flow switch is allowed to come, thus ensureing downlink traffic also not packet loss.Finally close opposite end laser instrument to light and local terminal laser instrument
Receive light, allow both sides port all down to fall.
The detailed active/standby link switchover flow process in different scenes of the present embodiment, cuts in main/slave link using in the present embodiment
The method that local terminal or opposite end laser instrument light is turned off it is ensured that flow in former primary link not packet loss after the completion of changing
Reach opposite end or local terminal it is achieved that flow not packet loss during active/standby link switchover.
It should be noted that above-mentioned modules can be by software or hardware to realize, for the latter, Ke Yitong
Cross in the following manner to realize, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or, above-mentioned module position respectively
In multiple processors.
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can
To be arranged to store the program code for executing following steps：
S1, determines and does not receive the first data that the first network element sends in first scheduled time from the first link, wherein,
First link is additionally operable to send the second data to the first network element；
S2, sends the second data using the second link；
S3, after sending the second data using the second link, stops sending the second data using the first link.
Alternatively, storage medium is also configured to store the program code for executing following steps：
S1, when sending the first data using first chain road direction the second network element, determining needs using second chain road direction the second net
Unit sends the first data；
S2, sends the first data using second chain road direction the second network element；
S3, after sending the first data using the second link, stops sending the first data using the first link.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read only memory
(Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as
For RAM), portable hard drive, magnetic disc or CD etc. are various can be with the medium of store program codes.
Alternatively, the specific example in the present embodiment may be referred to showing described in above-described embodiment and optional embodiment
Example, the present embodiment will not be described here.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general
Realizing, they can concentrate on single computing device computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the executable program code of computing device, it is thus possible to by they
Storage to be executed by computing device in the storage device, and in some cases, can be to hold different from order herein
The shown or described step of row, or they are fabricated to respectively each integrated circuit modules, or will be many in them
Individual module or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware
Combine with software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the technology of this area
For personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any
Modification, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (14)
1. a kind of data transmission method is it is characterised in that include：
Determine and the first data that the first network element sends was not received in first scheduled time from the first link, wherein,
Described first link is additionally operable to send the second data to described first network element；
Send described second data using the second link；
After sending described second data using described second link, stop sending described the using described first link
Two data.
2. method according to claim 1 is it is characterised in that stop sending described second number using described first link
According to inclusion：
Close the laser instrument for sending described second data of described first link.
3. method according to claim 1 it is characterised in that determine first scheduled time in not from described first chain
After described first data that described first network element sends is received on road, also include：
Close the laser instrument for receiving described first data of described first link.
4. a kind of data transmission method is it is characterised in that include：
When sending the first data using first chain road direction the second network element, determine and need using described in the second chain road direction the
Two network elements send described first data；
Send described first data using the second network element described in described second chain road direction；
After sending described first data using described second link, stop sending described the using described first link
One data.
5. method according to claim 4 is it is characterised in that stop sending described first number using described first link
According to inclusion：
Close the laser instrument for sending described first data of described first link.
6. method according to claim 4 is it is characterised in that described first link is additionally operable to receive described second network element
The second data sending, after using described in described second chain road direction, the second network element sends described first data, also
Including：
Determine do not receive from described first link in second scheduled time that described second network element sends described the
Two data；
Stop receiving, using described first link, described second data that described second network element sends.
7. method according to claim 6 is it is characterised in that stop receiving described second net using described first link
Described second data that unit sends includes：
Close the laser instrument for receiving described second data of described first link.
8. a kind of data transmission device is it is characterised in that include：
First determining module, for determining that not receiving the first network element in first scheduled time from the first link sends
The first data, wherein, described first link be additionally operable to described first network element send the second data；
First sending module, for sending described second data using the second link；
First stopping modular, for, after sending described second data using described second link, stopping using described
First link sends described second data.
9. device according to claim 8 is it is characterised in that described first stopping modular includes：
First closing unit, for closing the laser instrument for sending described second data of described first link.
10. device according to claim 8 is it is characterised in that described device also includes：
Closedown module, for not receiving described first net within first scheduled time of determination from described first link
After described first data that unit sends, close the laser instrument for receiving described first data of described first link.
A kind of 11. data transmission devices are it is characterised in that include：
Second determining module, for when sending the first data using first chain road direction the second network element, determining needs profit
Send described first data with the second network element described in the second chain road direction；
Second sending module, for sending described first data using the second network element described in described second chain road direction；
Second stopping modular, for, after sending described first data using described second link, stopping using described
First link sends described first data.
12. devices according to claim 11 are it is characterised in that described second stopping modular includes：
Second closing unit, for closing the laser instrument for sending described first data of described first link.
13. devices according to claim 11 are it is characterised in that described device also includes：
3rd determining module, for using described in described second chain road direction second network element send described first data it
Afterwards, determine and the second data that the second network element sends was not received in second scheduled time from described first link, its
In, described first link is additionally operable to receive described second data that described second network element sends；
3rd stopping modular, for stopping receiving described the second of described second network element transmission using described first link
Data.
14. devices according to claim 13 are it is characterised in that described 3rd stopping modular includes：
3rd closing unit, for closing the laser instrument for receiving described second data of described first link.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510535084.3A CN106487678A (en) | 2015-08-27 | 2015-08-27 | Data transmission method and device |
| PCT/CN2016/077548 WO2016177181A1 (en) | 2015-08-27 | 2016-03-28 | Data transmission method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510535084.3A CN106487678A (en) | 2015-08-27 | 2015-08-27 | Data transmission method and device |
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| CN201510535084.3A Pending CN106487678A (en) | 2015-08-27 | 2015-08-27 | Data transmission method and device |
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| CN (1) | CN106487678A (en) |
| WO (1) | WO2016177181A1 (en) |
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| CN109962734A (en) * | 2017-12-26 | 2019-07-02 | 中国移动通信集团公司 | A kind of network system and data transmission method |
| CN111724276A (en) * | 2020-05-19 | 2020-09-29 | 浙江浙能长兴天然气热电有限公司 | Power plant data transmission method and system integrating self-diagnosis and channel optimization |
| CN112887150A (en) * | 2021-01-28 | 2021-06-01 | 深圳市中景元科技有限公司 | Method for automatically opening and closing aggregation, electronic equipment and storage medium |
| CN114554565A (en) * | 2020-11-26 | 2022-05-27 | 阿里巴巴集团控股有限公司 | Link switching method, communication system, user plane functional entity and user equipment |
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Also Published As
| Publication number | Publication date |
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| WO2016177181A1 (en) | 2016-11-10 |
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