CN105939280A - Flow scheduling method and device - Google Patents
Flow scheduling method and device Download PDFInfo
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- CN105939280A CN105939280A CN201510535511.8A CN201510535511A CN105939280A CN 105939280 A CN105939280 A CN 105939280A CN 201510535511 A CN201510535511 A CN 201510535511A CN 105939280 A CN105939280 A CN 105939280A
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Abstract
The invention provides a flow scheduling method and device, wherein the method comprises the following steps of: monitoring an operator export of network equipment so as to obtain export state information of the operator export; comparing the export state information of the operator export with a pre-set export health threshold value so as to determine the health state of the operator export; and scheduling flows received by the operator export according to the health state of the operator export. According to the flow scheduling method and device disclosed by the invention, the flows of the operator export can be reasonably utilized and scheduled.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of traffic scheduling method and device.
Background technology
Current user network system structure can be as it is shown in figure 1, user network passes through core switch, prevents
Internet is accessed after a series of equipment such as wall with flues, couple in router.But, no matter host computer system and network
Between system, planning has the most perfect, all there is an obvious Single Point of Faliure: couple in router accesses
Operator's outlet of Internet is once broken down, and the normal of Internet is accessed or with indoor by user network
The application service that portion's network provides will be interrupted completely.
Break down the risk that user network is brought to evade single operator, and also to solution
The problems such as the network access that network bandwidth deficiency is brought, Web vector graphic unit would generally rent two or more fortune
Active and standby mode is done to slow down what Single Point of Faliure brought by battalion business's outlet (such as: China Telecom, China Netcom etc.)
Affecting, the most primary operator breaks down, and the route table items i.e. exported by primary operator was lost efficacy,
So flow then can be forwarded by the outlet of standby operator.
Use this rent two or more operator outlet do active and standby mode to a certain extent solve access
The impact that Internet Single Point of Faliure brings, but when operator does not breaks down, standby operator goes out
Mouth is then constantly in the state of wasting, and the outlet of primary operator then needs to forward whole flows so that operation
Business's outlet can not be reasonably utilized.
Summary of the invention
For the defect of prior art, the invention provides a kind of traffic scheduling method and device.
The present invention provides a kind of traffic scheduling method, is applied to the network equipment, and wherein the method includes:
Operator's outlet to the described network equipment is monitored, and obtains the discharge state of described operator outlet
Information；
The discharge state information described operator exported is compared with the outlet health threshold value preset, with really
Make the health status of described operator outlet；
The flow that operator's outlet is received by the health status exported according to described operator is scheduling.
The present invention also provides for a kind of flow scheduling device, is applied to the network equipment, and described device includes:
Outlet monitoring means, is monitored for exporting the operator of the described network equipment, obtains described fortune
The discharge state information of battalion's business's outlet；
Threshold decision unit, healthy with the outlet preset for the discharge state information that described operator is exported
Threshold value is compared, to determine the health status that described operator exports；
Flow scheduling unit, operator's outlet is received by the health status for exporting according to described operator
Flow is scheduling.
The traffic scheduling method of present invention offer and device, the outlet shape of the operator's outlet by obtaining
State information is compared with the outlet health threshold value preset, to determine the health status that operator exports, and
According to health status, operator's outlet is carried out load balance process, and then operator's outlet can be obtained
Reasonably utilize.
Accompanying drawing explanation
Fig. 1 is a kind of traffic scheduling method application scenarios schematic diagram in the embodiment of the present invention；
Fig. 2 is a kind of traffic scheduling method schematic flow sheet in the embodiment of the present invention；
Fig. 3 is the logical structure schematic diagram of a kind of flow scheduling device in the embodiment of the present invention；
Fig. 4 is the hardware structure schematic diagram of the flow scheduling device place network equipment in the embodiment of the present invention.
Detailed description of the invention
For making the purpose of the application, technical scheme and advantage clearer, referring to the drawings to this Shen
Please scheme be described in further detail.
In order to solve problems of the prior art, the invention provides a kind of traffic scheduling method and dress
Put.
Fig. 1 shows the network environment schematic diagram that the inventive method is applied, including by multiple subscriber's main station groups
User network, switch, network firewall and the couple in router of access Internet become.Wherein, for
Evade single operator to break down risk that user network is brought, and also to solution Netowrk tape
The problems such as the network access that wide deficiency is brought, preset multiple operator for couple in router in the embodiment of the present invention
Outlet (outlet 1 on such as couple in router and outlet 2).
Refer to Fig. 2, for the handling process schematic diagram of the traffic scheduling method that the present invention provides, this flow scheduling
Method is applied to the network equipment, and this network equipment can be the couple in router shown in Fig. 1, it is also possible to be it
He has the equipment of equal function.Wherein, this traffic scheduling method comprises the following steps:
Step 201, the operator's outlet to the described network equipment is monitored, and obtains the outlet of described operator
Discharge state information；
When Web vector graphic unit rents the outlet of multiple operator, in order to reasonably utilize the plurality of operator to go out
Mouthful, it is to avoid the wasting of resources, the outlet of multiple operators can be carried out by the embodiment of the present invention periodically or in real time
Monitoring, to obtain the discharge state information of each operator outlet.
Wherein, the discharge state information of this operator outlet includes outlet total bandwidth, the message that operator exports
The information such as packet loss, message delay time, bandwidth utilization rate and flow volume change values.
When obtaining this discharge state information, can be exported respectively to one or more by different operators
Detection server sends request message, after the back message receiving described detection server, to described time
Message is answered to be analyzed obtaining the discharge state information of described operator outlet.
Specifically, when detecting the discharge state information of operator's outlet, can be conventional by baidu, sina etc.
Server is as detection server, and is exported by operator and detect server to baidu, sina etc. respectively and send out
Send request message, after receiving the back message that detection server is replied, can will send request message
Time is to receiving the time of back message as the message delay time；And according to send request message quantity with
The mathematic interpolation outgoing packet packet loss of the back message quantity received.
Under normal circumstances, in order to ensure the accuracy rate of discharge state information, can within the default time period to
Detection server send multiple request messages, and by the time repeatedly sending request message in this time period with
And the average report that the meansigma methods receiving the message delay total time of corresponding back message exports as this operator
Literary composition delay time.
Correspondingly, it is also possible to by the quantity of multiple request messages sent in the default time period and reception
The mathematic interpolation of the quantity of back message goes out relatively accurate message packet loss.
When the bandwidth utilization rate obtained in discharge state information and flow volume change values, then can be by fortune
Battalion's business's outlet carries out the mode of traffic statistics and obtains.
Such as, first obtain operator's outlet total bandwidth, after carrying out traffic statistics, be appreciated that this operator
The uplink and downlink flow of outlet, calculates according to this operator outlet total bandwidth and this uplink and downlink mass flow meters
The bandwidth utilization rate of this operator outlet.
For this flow volume change values, then can be by checking that the operator's rate of discharge in preset duration changes feelings
Condition obtains.
Step 202, the discharge state information described operator exported compares with default outlet health threshold value
Right, to determine the health status that described operator exports；
The outlet of the most each operator being provided with the healthy threshold value of outlet in the embodiment of the present invention, this outlet is healthy
Threshold value includes message packet loss threshold value, threshold value time delay, bandwidth overload threshold value and flow sudden change threshold value.
Become obtaining the message packet loss of operator's outlet, message delay time, bandwidth utilization rate and flow
After the information such as change value, can be respectively by message packet loss, message delay time, bandwidth utilization rate and flow
Changing value be that the message packet loss threshold value that arranges of each operator outlet, threshold value time delay, bandwidth overload in advance
Threshold value and flow sudden change threshold value are compared, and determine the health status that operator exports.This health shape
State can include that the state that operator exports is Down (closedown), overload and mutation status.
If it is determined that the message packet loss of described operator outlet is more than or equal to the message packet loss threshold value preset, or
Described in person, the message delay time of operator's outlet is more than or equal to threshold value time delay preset, it may be determined that
The state of described operator outlet is Down, and the state of the most described operator outlet is Up (unlatching)；
If it is determined that the bandwidth utilization rate of described operator outlet is more than or equal to the bandwidth overload threshold value preset, can
With determine state that described operator exports as overload, the state of the most described operator outlet is non-mistake
Load state；
If it is determined that the described flow volume change values of described operator outlet is more than or equal to the flow sudden change threshold preset
Value, it may be determined that the state of described operator outlet is mutation status, the state of the most described operator outlet
For not mutated state.
Such as, the outlet of the most each operator is pre-configured with the outlet total bandwidth of 1G, and message packet loss threshold value is arranged
Being 50%, time delay, threshold value was set to 2000ms, and bandwidth overload threshold value is set to 85%, flow sudden change threshold
Value is set to 5%.
When the message packet loss monitoring operator's outlet exceedes default message packet loss threshold value 50% or work as
The message delay time of operator's outlet exceedes threshold value 2000ms time delay, the state this operator exported
It is set to Down；
The uplink and downlink total flow (bandwidth utilization rate) real-time when operator's outlet overloads more than or equal to bandwidth
During threshold value 85% (850M), determine that the state that operator exports is set to overload；
When the flow volume change values of operator's outlet is more than 5% (50M), determine that the state that operator exports is
Mutation status.
Further, the present invention can also be that the outlet of described operator is arranged according to the temporal information preset in advance
The healthy threshold value of outlet.
Manager can obtain network peak period and offpeak period according to network practical situation, and according to height
Peak period and offpeak period are each operator outlet configuration healthy threshold value of time-based outlet.When current
Between arrive preset time period time, then can automatically for time period arrange message packet loss threshold value, delay time
Between threshold value and outlet total bandwidth overloading threshold determine the health status that this operator exports, and carry out phase
Should adjust.
It is assumed that user network offpeak period is the 00:00-05:00 of every day, peak period is every day
19:00-21:00.The outlet health threshold value of operator's outlet can be configured as follows:
The outlet total bandwidth of offpeak period operator outlet is 85%, and time delay, threshold value was 2000ms, message
Packet loss threshold value is 50%, and flow mutation rate threshold value is 5%；
Peak period, the outlet total bandwidth of operator's outlet was 90%, and delay threshold value is 3000ms, message packet loss
Rate is 70%, flow mutation rate threshold value 10%.
Health after the discharge state information that operator exports being detected in offpeak period, to operator's outlet
The criterion of state is then compared according to the outlet health threshold value that offpeak period is operator's outlet configuration；
Correspondingly, after the discharge state information that operator exports being detected within peak period, to operator's outlet
The criterion of health status then compares according to the outlet health threshold value being operator's outlet configuration peak period
Right.
This healthy threshold value configuration mode of time-based outlet can more adapt to user network traffic environment,
When the follow-up outlet health status according to operator's outlet carries out load balance process, Appropriate application can be reached
Operator's outlet, the effect of protection operator outlet.
Step 203, the flow that operator's outlet is received by the health status exported according to described operator is adjusted
Degree.
After determining the health status that operator exports, however, it is determined that the state of described operator outlet is
Down, can export by the way of corresponding route forwarding table items with this operator by deleting, make and this operation
Business exports the route forwarding table items of correspondence and lost efficacy, subsequently received former be the operation of Down via this state
During the flow that business exports, exported by other operator and forward；
The embodiment of the present invention can arrange alternate outlets for the outlet of each operator in advance, however, it is determined that operator goes out
The state of mouth is overload, draws by follow-up to go out via the operator of this overload according to router-level topology
The flow that mouth forwards, is dispatched to the backup outlet of this operator outlet, when the operator of this overload exports
When recovering state is non-overloaded state, it may be assumed that the bandwidth utilization rate of described operator outlet is less than the bandwidth preset
Overload threshold value, the most no longer exports the follow-up flow scheduling forwarded via the outlet of this operator to this operator
Backup outlet；
If it is determined that the state of described operator outlet is mutation status, send alarm prompt to management personnel, with
Prompting management personnel pay close attention to user network situation in time.
In sum, the traffic scheduling method that the present invention provides, the outlet of the operator's outlet by obtaining
Status information is compared with the outlet health threshold value preset, to determine the health status that operator exports,
And according to health status, operator's outlet carried out load balance process, and then operator's outlet can be obtained
To reasonably utilizing.
The present invention also provides for a kind of flow scheduling device, and Fig. 3 is the structural representation of this flow scheduling device,
This device can apply to the network equipment, and this flow scheduling device can include exporting monitoring means 301, threshold value
Judging unit 302 and flow scheduling unit 303, wherein:
Outlet monitoring means 301, is monitored for exporting the operator of the described network equipment, obtains described
The discharge state information of operator's outlet；
Threshold decision unit 302, is good for the outlet preset for the discharge state information described operator exported
Health threshold value is compared, to determine the health status that described operator exports；
Flow scheduling unit 303, receives operator's outlet for the health status exported according to described operator
Flow be scheduling.
Further, described device also includes threshold setting unit 304, for pre-according to the temporal information preset
First the healthy threshold value of outlet is set for the outlet of described operator.
Further, described outlet monitoring means 301 is specifically for taking to detection via the outlet of described operator
Business device sends request message, after the back message receiving described detection server, to described back message
It is analyzed obtaining the discharge state information of described operator outlet.
Further, described discharge state information includes that message packet loss, message delay time, bandwidth use
At least one of rate and flow volume change values, described threshold decision unit 302 specifically for: if it is determined that described
The message packet loss of operator's outlet is more than or equal to the packet loss threshold value preset, or the outlet of described operator
The message delay time more than or equal to preset threshold value time delay, determine the state that described operator exports
For Down；If it is determined that the bandwidth utilization rate of described operator outlet is more than or equal to the bandwidth overload threshold preset
Value, determines that the state that described operator exports is overload；If it is determined that the described stream of described operator outlet
Amount changing value, more than or equal to the sudden change threshold value preset, determines that the state that described operator exports is mutation status.
Further, described flow scheduling unit 303 specifically for if it is determined that described operator outlet state
For Down, delete and export corresponding route forwarding table items with this operator；If it is determined that the outlet of described operator
State is overload, the backup outlet that the flow scheduling this operator exported to described operator exports；
If it is determined that the state of described operator outlet is mutation status, send alarm prompt to management personnel.
The present invention is applied to the flow scheduling device of the network equipment can be with above-mentioned in concrete handling process
The handling process of flow scheduling device is consistent, does not repeats them here.
Said apparatus can be realized by software, it is also possible to is realized by hardware, inventive flow dispatching device
The hardware structure schematic diagram of the place network equipment all refers to shown in Fig. 4, and its basic hardware environment includes central authorities
Processor CPU, forwarding chip, memorizer and other hardware, wherein memory device includes machine readable
Instruction, CPU reads and performs machine readable instructions and performs the function of each unit in Fig. 3.
From the embodiment of any of the above method and apparatus it can be seen that the embodiment of the present invention provide stream
Amount dispatching method and device, the discharge state information exported by the operator that will obtain and the outlet preset
Healthy threshold value is compared, to determine the health status that operator exports, and according to health status to operation
Business's outlet carries out load balance process so that operator's outlet can be reasonably utilized.Meanwhile, this
Bright can also more adapt to user network traffic environment, in difference by healthy threshold value configuration mode based on the period
Time period use different outlet health status carry out load balance process, reach Appropriate application operator and go out
Mouth, the effect of protection operator outlet.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. done, should be included in
Within the scope of protection of the invention.
Claims (10)
1. a traffic scheduling method, is applied to the network equipment, it is characterised in that described method includes:
Operator's outlet to the described network equipment is monitored, and obtains the discharge state of described operator outlet
Information；
The discharge state information described operator exported is compared with the outlet health threshold value preset, with really
Make the health status of described operator outlet；
The flow that operator's outlet is received by the health status exported according to described operator is scheduling.
2. the method for claim 1, it is characterised in that described method also includes:
In advance the healthy threshold value of outlet is set for the outlet of described operator according to default temporal information.
3. the method for claim 1, it is characterised in that the described operator to the described network equipment goes out
Mouth is monitored, and the discharge state information obtaining the outlet of described operator specifically includes:
Send request message via the outlet of described operator to detection server, receive described detection service
After the back message of device, described back message is analyzed obtaining the discharge state of described operator outlet
Information.
4. the method for claim 1, it is characterised in that described discharge state information includes message packet loss
At least one of rate, message delay time, bandwidth utilization rate and flow volume change values, described by described outlet
Status information is compared with the outlet health threshold value preset, to determine the health status of each outlet described
Specifically include:
If it is determined that the message packet loss of described operator outlet is more than or equal to the packet loss threshold value preset, or
The message delay time of described operator outlet, more than or equal to threshold value time delay preset, determines described fortune
The state of battalion's business's outlet is for closing Down；
If it is determined that the bandwidth utilization rate of described operator outlet is more than or equal to the bandwidth overload threshold value preset, really
The state of fixed described operator outlet is overload；
If it is determined that the described flow volume change values of described operator outlet is more than or equal to the sudden change threshold value preset, really
The state of fixed described operator outlet is mutation status.
5. method as claimed in claim 4, it is characterised in that the described health exported according to described operator
The flow that operator's outlet is received by state is scheduling specifically including:
If it is determined that the state of described operator outlet is Down, deletion exports corresponding route with this operator and turns
Forwarding list item；
If it is determined that the state of described operator outlet is overload, the flow scheduling that this operator exports is arrived
The backup outlet of described operator outlet；
If it is determined that the state of described operator outlet is mutation status, send alarm prompt to management personnel.
6. a flow scheduling device, is applied to the network equipment, it is characterised in that described device includes:
Outlet monitoring means, is monitored for exporting the operator of the described network equipment, obtains described fortune
The discharge state information of battalion's business's outlet；
Threshold decision unit, healthy with the outlet preset for the discharge state information that described operator is exported
Threshold value is compared, to determine the health status that described operator exports；
Flow scheduling unit, operator's outlet is received by the health status for exporting according to described operator
Flow is scheduling.
7. device as claimed in claim 6, it is characterised in that described device also includes:
Threshold setting unit, for arranging outlet for the outlet of described operator in advance according to the temporal information preset
Healthy threshold value.
8. device as claimed in claim 6, it is characterised in that described outlet monitoring means specifically for:
Send request message via the outlet of described operator to detection server, receive described detection service
After the back message of device, described back message is analyzed obtaining the discharge state of described operator outlet
Information.
9. device as claimed in claim 6, it is characterised in that described discharge state information includes message packet loss
At least one of rate, message delay time, bandwidth utilization rate and flow volume change values, described threshold decision list
Unit specifically for:
If it is determined that the message packet loss of described operator outlet is more than or equal to the packet loss threshold value preset, or
The message delay time of described operator outlet, more than or equal to threshold value time delay preset, determines described fortune
The state of battalion's business's outlet is Down；
If it is determined that the bandwidth utilization rate of described operator outlet is more than or equal to the bandwidth overload threshold value preset, really
The state of fixed described operator outlet is overload；
If it is determined that the described flow volume change values of described operator outlet is more than or equal to the sudden change threshold value preset, really
The state of fixed described operator outlet is mutation status.
10. device as claimed in claim 9, it is characterised in that described flow scheduling unit specifically for:
If it is determined that the state of described operator outlet is Down, deletion exports corresponding route with this operator and turns
Forwarding list item；
If it is determined that the state of described operator outlet is overload, the flow scheduling that this operator exports is arrived
The backup outlet of described operator outlet；
If it is determined that the state of described operator outlet is mutation status, send alarm prompt to management personnel.
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| CN201510535511.8A CN105939280A (en) | 2015-08-27 | 2015-08-27 | Flow scheduling method and device |
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| CN111654448A (en) * | 2020-05-06 | 2020-09-11 | 杭州迪普科技股份有限公司 | Traffic scheduling method and device |
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Address after: Binjiang District and Hangzhou city in Zhejiang Province Road 310051 No. 68 in the 6 storey building Applicant after: Hangzhou Dipu Polytron Technologies Inc Address before: Binjiang District and Hangzhou city in Zhejiang Province Road 310051 No. 68 in the 6 storey building Applicant before: Hangzhou Dipu Technology Co., Ltd. |
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Application publication date: 20160914 |
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