CN102255660B - The transmission protecting of business access signal and transmission protective device - Google Patents
The transmission protecting of business access signal and transmission protective device Download PDFInfo
- Publication number
- CN102255660B CN102255660B CN201010187242.8A CN201010187242A CN102255660B CN 102255660 B CN102255660 B CN 102255660B CN 201010187242 A CN201010187242 A CN 201010187242A CN 102255660 B CN102255660 B CN 102255660B
- Authority
- CN
- China
- Prior art keywords
- signal
- road
- protective device
- transmission
- transmission protective
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 179
- 230000001681 protective effect Effects 0.000 title claims abstract description 130
- 230000008054 signal transmission Effects 0.000 claims description 25
- 238000012545 processing Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 12
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 4
- 239000013307 optical fiber Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000007430 reference method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Optical Communication System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a kind of transmission protecting and transmission protective device of business access signal, belong to and relate to optical-fiber network communication technique field.Wherein, the transmission protecting of this business access signal comprises: the first transmission protective device receives the M road signal of cross unit input; First transmission protective device utilizes protection algorism to generate N road backup signal according to described M road signal, and backup signal described in each road is identical with the normal signal in the signal of described M road; M+N road signal is passed to the second transmission protective device by business output unit by described first transmission protective device, and make described second transmission protective device obtain P road normal signal, described P is not less than the number of normal signal in the signal of described M road; Wherein, described M, N, P are natural number.The embodiment of the present invention can improve the stability of optical network communication.Technical scheme of the present invention is applicable in optical network system.
Description
Technical field
The present invention relates to optical-fiber network communication technique field, particularly a kind of business access signal transmission protecting and transmission protective device.
Background technology
Along with the development of optical communication technique, the transmittability of transmission equipment becomes an important indicator of market competition.The demand of client to the cross-capacity of access capacity and system is more and more higher, but while raising capacity, also more and more important to the protection of access capacity and cross-capacity.
Protected mode conventional is at present the hardware protection based on cross system, and as shown in Figure 1, in the cross system of existing transmission, cross system active/standby backup, the output of each service access unit is divided into two-way to access main crossings unit and standby cross unit respectively.Can ensure like this, time a cross system goes wrong, enable another cross system and protect.
Be illustrated in figure 2 the application schematic diagram of existing cross system protective device in transmission system; if the input that wherein a road access service sends the service access unit (2) of side as network is normal; but go wrong in transmitting procedure; there is mistake in the output signal of service access unit (2); so the signal of error of transmission will be continued in the system of docking; the business access signal of network reception side cannot receive correct signal; namely cannot protect the transmission of business access signal, have impact on the stability of transmission system.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of transmission protecting and transmission protective device of business access signal, can improve the stability of transmission system.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, a kind of transmission protecting of business access signal is provided, comprises:
First transmission protective device receives the M road signal that cross unit exports;
First transmission protective device utilizes protection algorism to generate N road backup signal according to described M road signal, and backup signal described in each road is identical with the normal signal in the signal of described M road;
M+N road signal is passed to the second transmission protective device of opposite end by described first transmission protective device by business output unit, make described second transmission protective device obtain P road normal signal, described P is not less than the number of normal signal in the signal of described M road;
Wherein, described M, N, P are natural number.
Wherein, the second transmission protective device that M+N road signal passes to opposite end by business output unit comprises by described first transmission protective device:
Described first transmission protective device detects in the signal of described M road whether there is invalid signals;
If there is L road invalid signals in the signal of described M road; then described L road invalid signals is replaced with default pattern by described first transmission protective device, and L road signal, N road backup signal and the M-L road normal signal after replacing is passed to the second transmission protective device by described business output unit.
Wherein, described first transmission protective device detects and whether there is invalid signals in the signal of described M road and comprise:
Whether described first transmission protective device detects in the signal of described M road has signal to carry the first alarm identifier;
If have signal to carry the first alarm identifier in the signal of described M road, then described first transmission protective device judges that described signal is invalid signals.
Wherein, described L road invalid signals is replaced with default pattern and also comprises by described first transmission protective device:
If L is greater than N, then described first transmission protective device is replaced by the signal of default pattern on described L road and adds the second alarm identifier.
Embodiments of the invention additionally provide a kind of transmission protecting of business access signal, comprising:
The M+N road signal that the first transmission protective device that second transmission protective device receives opposite end by business output unit exports, described M+N road signal comprises the N road backup signal that the first transmission protective device generates according to the M road signal that the cross unit of opposite end exports;
Described second transmission protective device selects M road signal transmission to cross unit from the signal of described M+N road, and selected M road signal comprises P road normal signal, the number of normal signal in the M road signal that the cross unit that described P is not less than described opposite end exports;
Wherein, described M, N, P are natural number.
Wherein, described second transmission protective device selects M road signal transmission to comprise to cross unit from the signal of described M+N road:
Described second transmission protective device detects in the signal of described M+N road as presetting the signal number L of pattern;
When L is not more than N, described second transmission protective device selects M road not for presetting the signal transmission of pattern to described cross unit from the signal of described M+N road;
When L is greater than N, described second transmission protective device selects M+N-L road not for the signal of default pattern and L-N road are that the signal transmission of default pattern is to described cross unit from the signal of described M+N road.
Embodiments of the invention additionally provide a kind of transmission protective device, comprising:
Receiver module, for receiving the M road signal that cross unit exports;
Processing module, for utilizing protection algorism to generate N road backup signal according to described M road signal, backup signal described in each road is identical with the normal signal in the signal of described M road;
Sending module, for M+N road signal to be passed to the second transmission protective device of opposite end by business output unit, make described second transmission protective device obtain P road normal signal, described P is not less than the number of normal signal in the signal of described M road;
Wherein, described M, N, P are natural number.
Wherein, described sending module comprises:
Detection sub-module, for detecting in the signal of described M road whether there is invalid signals;
Replacing and add submodule, for when there is L road invalid signals in the signal of described M road, described L road invalid signals being replaced with default pattern.
Wherein, described replacement adds submodule also for when L is greater than N, is replaced by the signal of default pattern adds the second alarm identifier on described L road.
Embodiments of the invention additionally provide a kind of transmission protective device, comprising:
Receiver module, the M+N road signal that the first transmission protective device for being received opposite end by business output unit is exported, described M+N road signal comprises the N road backup signal that the first transmission protective device generates according to the M road signal that the cross unit of opposite end exports;
Processing module, for selecting M road signal from the signal of described M+N road, selected M road signal comprises P road normal signal, the number of normal signal in the M road signal that the cross unit that described P is not less than described opposite end exports;
Sending module, for the M road signal transmission described processing module selected to cross unit;
Wherein, described M, N, P are natural number.
Wherein, described processing module comprises:
Whether detection sub-module, have signal to carry the second alarm identifier for detecting in the signal of described M+N road;
Chooser module, for when not having signal to carry the second alarm identifier in the signal of described M+N road, the signal selecting M road not from the signal of described M+N road for presetting pattern; When having L road signal to carry the second alarm identifier in the signal of described M+N road, from the signal of described M+N road, select M+N-L road for presetting the signal that the signal of pattern and L-N road are default pattern.
Embodiments of the invention have following beneficial effect:
In such scheme; the signal that first transmission protective device can export according to cross unit generates backup signal; and transmit in transmission system together with the signal that backup signal and cross unit are exported; second of opposite end the transmission protective device is enable to obtain normal signal as much as possible; even if the signal that service access unit exports like this goes wrong; also can ensure that the receiving terminal of transmission system receives normal signal as far as possible; thus business access signal is protected, improve the stability of whole transmission system.
Accompanying drawing explanation
Fig. 1 is existing cross system protective device schematic diagram;
Fig. 2 is the application schematic diagram of cross system protective device in transmission system in prior art;
Fig. 3 is the schematic flow sheet of the transmission protecting of embodiments of the invention business access signal;
Fig. 4 is another schematic flow sheet of the transmission protecting of embodiments of the invention business access signal;
Fig. 5 is the structural representation of embodiments of the invention transmission protective device;
Fig. 6 is another structural representation of embodiments of the invention transmission protective device;
Fig. 7 is the application schematic diagram of embodiments of the invention transmission protective device in transmission system;
Fig. 8 is another schematic flow sheet of the transmission protecting of embodiments of the invention business access signal;
Fig. 9 is the application schematic diagram of specific embodiments of the invention transmission protective device in transmission system.
Embodiment
For embodiments of the invention will be solved technical problem, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention, for the problem cannot protected business access signal in prior art, provide a kind of transmission protecting and transmission protective device of business access signal, can protect, improve the stability of transmission system to business access signal.
Embodiments provide a kind of transmission protecting of business access signal, as shown in Figure 3, the present embodiment comprises:
Step 301: the first transmission protective device receives the M road signal that cross unit exports;
Step 302: the first transmission protective device utilizes protection algorism to generate N road backup signal according to M road signal, and each road backup signal is identical with the normal signal in the signal of M road;
Step 303: M+N road signal is passed to the second transmission protective device of opposite end by the first transmission protective device by business output unit, make the second transmission protective device obtain P road normal signal, P is not less than the number of normal signal in the signal of M road.
Wherein, M, N, P are natural number.First transmission protective device is positioned at the transmission side of system, and the second protective device is positioned at the reception side of system.
The transmission protecting of the business access signal of the present embodiment; the signal that first transmission protective device can export according to cross unit generates backup signal; and transmit in transmission system together with the signal that backup signal and cross unit are exported; second of opposite end the transmission protective device is enable to obtain normal signal as much as possible; even if the signal that service access unit exports like this goes wrong; also can ensure that the receiving terminal of transmission system receives normal signal as far as possible; thus business access signal is protected, improve the stability of whole transmission system.
Embodiments provide a kind of transmission protecting of business access signal, as shown in Figure 4, the present embodiment comprises:
Step 401: the M+N road signal that the first transmission protective device that the second transmission protective device receives opposite end by business output unit exports, this M+N road signal comprises the N road backup signal that the first transmission protective device generates according to the M road signal that the cross unit of opposite end exports;
Step 402: select M road signal transmission to cross unit in the second transmission protective device Cong Gai M+N road signal, selected M road signal comprises P road normal signal, the number of normal signal in the M road signal that the cross unit that P is not less than opposite end exports.
Wherein, M, N, P are natural number.First transmission protective device is positioned at the transmission side of system, and the second protective device is positioned at the reception side of system.
The transmission protecting of the business access signal of the present embodiment; transmission system receives the second transmission protective device of side after receiving M+N road signal; therefrom can select M road signal transmission to cross unit; the number of normal signal in the M road signal that the cross unit that in selected M road signal, the number of normal signal is not less than opposite end exports; this makes it possible to ensure that service access unit receives more correct signal, improve the stability of whole transmission system.
The embodiment of the present invention additionally provides a kind of transmission protective device, as shown in Figure 5, comprising:
Receiver module 51, for receiving the M road signal that cross unit exports;
Processing module 52, for utilizing protection algorism to generate N road backup signal according to this M road signal, each road backup signal is identical with the normal signal in this M road signal;
Sending module 53, for M+N road signal to be passed to the second transmission protective device of opposite end by business output unit, make the second transmission protective device obtain P road normal signal, P is not less than the number of normal signal in this M road signal;
Wherein, M, N, P are natural number.
Further, sending module 53 comprises:
Detection sub-module, for detecting in this M road signal whether there is invalid signals;
Replacing and add submodule, for when there is L road invalid signals in this M road signal, this L road invalid signals being replaced with default pattern.
Replace and add submodule also for when L is greater than N, be replaced by the signal of default pattern on this L road and add the second alarm identifier.
Wherein, L be not less than 0 integer.
The transmission protective device of the present embodiment; be positioned at the transmission side of system; the signal that can export according to cross unit generates backup signal; and transmit in transmission system together with the signal that backup signal and cross unit are exported; second of opposite end the transmission protective device is enable to obtain normal signal as much as possible; even if the signal that service access unit exports like this goes wrong; also can ensure that the receiving terminal of transmission system receives normal signal as far as possible; thus business access signal is protected, improve the stability of whole transmission system.
Embodiments of the invention additionally provide a kind of transmission protective device, as shown in Figure 6, comprising:
Receiver module 61, the M+N road signal that the first transmission protective device for being received opposite end by business output unit is exported, this M+N road signal comprises the N road backup signal that the first transmission protective device generates according to the M road signal that the cross unit of opposite end exports;
Processing module 62, for selecting M road signal in the signal of Cong Gai M+N road, selected M road signal comprises P road normal signal, the number of normal signal in the M road signal that the cross unit that P is not less than opposite end exports;
Sending module 63, for the M road signal transmission processing module 62 selected to cross unit;
Wherein, M, N, P are natural number.
Wherein, processing module 62 comprises:
Whether detection sub-module, have signal to carry the second alarm identifier for detecting in this M+N road signal;
Chooser module, during for not having signal to carry the second alarm identifier in the signal of Dang Gai M+N road, the signal selecting M road not in the signal of Cong Gai M+N road for presetting pattern; When having L road signal to carry the second alarm identifier in the signal of Dang Gai M+N road, select M+N-L road in the signal of Cong Gai M+N road for presetting the signal that the signal of pattern and L-N road are default pattern.
The transmission protective device of the present embodiment; be positioned at the reception side of system; after receiving M+N road signal; therefrom can select M road signal transmission to cross unit; the number of normal signal in the M road signal that the cross unit that in selected M road signal, the number of normal signal is not less than opposite end exports; this makes it possible to ensure that service access unit receives more correct signal, improve the stability of whole transmission system.
Be illustrated in figure 7 the application schematic diagram of embodiments of the invention transmission protective device in transmission system; the transmission protective device of the present embodiment is between cross unit and business output unit; a transmission protective device is respectively had in transmission side and reception side; drawn the service route in a direction in figure, the business in reality is all two-way.In the transmission system of left end, there is M road service access unit, be input in cross unit, cross unit is inner through cross scheduling, input to transmission protective device again, data can be carried out redundancy backup according to M:N protection algorism by transmission protective device, become M+N road signal, wherein N road backup signal, M+N road signal transmits in a network through business output unit again; For the transmission system of right-hand member; after receiving the business access signal that upstream transmission comes; through the conversion of business output unit; transmission protective device is input to M+N road signal; transmission protective device therefrom can optimize M road signal and export to cross unit; afterwards by cross board cross scheduling to service access unit, the M road signal received exports by service access unit, completes the protection of a unidirectional business access signal like this.
Be further described the transmission protecting of the business access signal of the present embodiment below in conjunction with Fig. 8, as shown in Figure 8, the present embodiment comprises:
Step 801: the transmission protective device sending side receives the M road signal of cross unit output, and detects in the signal of M road whether have invalid signals;
The M road signal of the transmission protective device reception cross unit output of side is sent at optical-fiber network, and detect in the signal of M road and whether have signal to carry the first alarm identifier, if there is signal to carry the first alarm identifier, then having there is mistake in the signal representing the output of service access unit, is invalid signals;
Step 802: if there is invalid signals, the transmission protective device sending side utilizes protection algorism to generate N road backup signal according to M road signal, and invalid signals is replaced with default pattern;
The transmission protective device sending side can utilize M:N protection algorism to generate N road backup signal according to M road signal; M:N protection algorism can be bit-interleaved coded-modulation algorithm; each road backup signal is all identical with the normal signal in the signal of M road; specifically can utilize FPGA (Field Programmable GateArray; field programmable gate array) or ASIC (Application Specific Integrated Circuit, application-specific integrated circuit (ASIC)) realize.Invalid signals is also replaced with default pattern by transmission protective device, can avoid like this transmitting invalid signals in a network.If there is L road disablement signal in the signal of M road; when L is greater than N; when namely the number of backup signal is less than the number of disablement signal, transmission protective device not only needs L road disablement signal all to replace with default pattern, also needs to add the second alarm identifier in the signal be replaced on L road.
Whether the transmission protective device sending side can also exist invalid signals regardless of in the signal of M road, all generates N road backup signal;
Step 803: the transmission protective device sending side by M+N road signal transmission to sending the business output unit of side;
This M+N road signal comprises the normal signal in N road backup signal, M road signal and is replaced by the signal of default pattern;
Step 804: send the business output unit of side by M+N road signal transmission in network;
Accordingly, the present embodiment also needs to increase N number of business output unit in the transmission side of system, M+N business output unit by M+N road signal transmission in network;
Step 805: the business output unit receiving side receives M+N road signal, Bing Jiang M+N road signal transmission gives the transmission protective device receiving side;
Accordingly, the present embodiment also needs to increase N number of business output unit in the reception side of system, and M+N the business output unit receiving side receives M+N road signal, and Bing Jiang M+N road signal transmission gives the transmission protective device receiving side;
Step 806: the transmission protective device receiving side selects M road signal from the signal of M+N road, and by the M road signal transmission of selection to cross unit.
If do not have signal to carry the second alarm identifier in the M+N road signal received, so illustrate that the number of backup signal in the signal of M+N road is greater than the number of disablement signal, then transmit signal i.e. M road normal signal that protective device can select M road not for presetting pattern from the signal of M+N road, and M road normal signal is passed to the cross unit receiving side;
If transmission protective device detects in the signal of M+N road have L road signal to carry the second alarm identifier; so illustrate that the number of backup signal in M+N road signal is less than the number of disablement signal, then transmit protective device and from the signal of M+N road, select M+N-L road for presetting the signal of pattern and L-N road is that the signal transmission of default pattern is to the cross unit receiving side.
M road signal transmission just can be given the service access unit receiving side by cross unit afterwards, and the present embodiment can ensure correct signal as much as possible and pass to the service access unit receiving side, improves the stability of system.The number N value of the backup signal in the present embodiment can set according to actual needs, and N value is larger, more abundant to the protection of business access signal, but also can increase system loading simultaneously, so need suitably to adjust N value according to actual needs.
Mentioning above is process to transport service access signal on the right side of network on the left of the network shown in Fig. 7, is in fact just in time a contrary process to transport service access signal on the left of network on the right side of network, here repeats no more.
Be illustrated in figure 9 a specific embodiment of the transmission protecting of the business access signal of the present embodiment, in this embodiment, M value is 8, N value is 2, and concrete working method is as follows:
The first step: the service signal of access is the GE signal on 8 tunnels, obtains 8 road signals and exports after GE access unit;
Second step: 8 road service signals are input to cross unit, cross unit is through scheduling, and output to 8 road signals to transmission protective device, transmission protective device utilizes 8:2 protection algorism to generate 2 road backup signals;
3rd step: suppose have 2 road signals to be lost efficacy in the service signal of original input, the number 2 of backup signal just in time equals the signal number occurring mistake, so the output of cross unit is exactly have 6 tunnel normal signal and 2 tunnel disablement signal in 8 road signals, also have 2 newly-generated link redundancy backup signals simultaneously, totally 10 road signal transmission are to OTN (Optical Transport Network, optical transfer network) output unit, this 10 road signal just transmits in systems in which afterwards;
4th step: the OTN output unit in downstream exports 10 road signals, transmission protective device selects 8 tunnel normal signal from 10 road signals, comprises 6 tunnel normal signal in original 8 road signals and 2 road backup signals, and by this 8 road signal transmission to the GE access unit in downstream.Even if there are 2 road signals to be lost efficacy in the service signal of original like this input, still can export the GE access unit of 8 tunnel normal signal to downstream, ensure that the normal transmission of the business access signal when access service occurs abnormal.
Described embodiment of the method is corresponding with described device embodiment, the description of relevant portion in the part comparable device embodiment do not described in detail in embodiment of the method, the description of relevant portion in the part reference method embodiment do not described in detail in device embodiment.
One of ordinary skill in the art will appreciate that, the all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in a computer read/write memory medium, this program is when performing, comprise the step as above-mentioned embodiment of the method, described storage medium, as: magnetic disc, CD, read-only store-memory body (Read-Only Memory, or random store-memory body (Random Access Memory, RAM) etc. ROM).
In each embodiment of the method for the present invention; the sequence number of described each step can not be used for the sequencing limiting each step; for those of ordinary skill in the art, under the prerequisite not paying creative work, the priority of each step is changed also within protection scope of the present invention.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a transmission protecting for business access signal, is characterized in that, comprising:
First transmission protective device receives the M road signal that cross unit exports;
First transmission protective device utilizes protection algorism to generate N road backup signal according to described M road signal, and backup signal described in each road is identical with the normal signal in the signal of described M road;
M+N road signal is passed to the second transmission protective device of opposite end by described first transmission protective device by business output unit, make described second transmission protective device obtain P road normal signal, described P is not less than the number of normal signal in the signal of described M road;
Wherein, described M, N, P are natural number.
2. the transmission protecting of business access signal according to claim 1, is characterized in that, the second transmission protective device that M+N road signal passes to opposite end by business output unit comprises by described first transmission protective device:
Described first transmission protective device detects in the signal of described M road whether there is invalid signals;
If there is L road invalid signals in the signal of described M road; then described L road invalid signals is replaced with default pattern by described first transmission protective device, and L road signal, N road backup signal and the M-L road normal signal after replacing is passed to the second transmission protective device by described business output unit.
3. the transmission protecting of business access signal according to claim 2, is characterized in that, whether described first transmission protective device detects exists invalid signals in the signal of described M road and comprise:
Whether described first transmission protective device detects in the signal of described M road has signal to carry the first alarm identifier;
If have signal to carry the first alarm identifier in the signal of described M road, then described first transmission protective device judges that described signal is invalid signals.
4. the transmission protecting of business access signal according to claim 2, is characterized in that, described L road invalid signals is replaced with default pattern and also comprises by described first transmission protective device:
If L is greater than N, then described first transmission protective device is replaced by the signal of default pattern on described L road and adds the second alarm identifier.
5. a transmission protecting for business access signal, is characterized in that, comprising:
The M+N road signal that the first transmission protective device that second transmission protective device receives opposite end by business output unit exports, described M+N road signal comprises the N road backup signal that the first transmission protective device generates according to the M road signal that the cross unit of opposite end exports;
Described second transmission protective device selects M road signal transmission to cross unit from the signal of described M+N road, and selected M road signal comprises P road normal signal, the number of normal signal in the M road signal that the cross unit that described P is not less than described opposite end exports;
Wherein, described M, N, P are natural number.
6. the transmission protecting of business access signal according to claim 5, is characterized in that, described second transmission protective device selects M road signal transmission to comprise to cross unit from the signal of described M+N road:
Described second transmission protective device detects for presetting the signal number L of pattern in the signal of described M+N road, and wherein, the signal presetting pattern is formed after invalid signals is replaced with default pattern;
When L is not more than N, described second transmission protective device selects M road not for presetting the signal transmission of pattern to described cross unit from the signal of described M+N road;
When L is greater than N, described second transmission protective device selects M+N-L road not for the signal of default pattern and L-N road are that the signal transmission of default pattern is to described cross unit from the signal of described M+N road.
7. a transmission protective device, is characterized in that, comprising:
Receiver module, for receiving the M road signal that cross unit exports;
Processing module, for utilizing protection algorism to generate N road backup signal according to described M road signal, backup signal described in each road is identical with the normal signal in the signal of described M road;
Sending module, for M+N road signal to be passed to the second transmission protective device of opposite end by business output unit, make described second transmission protective device obtain P road normal signal, described P is not less than the number of normal signal in the signal of described M road;
Wherein, described M, N, P are natural number.
8. transmission protective device according to claim 7, is characterized in that, described sending module comprises:
Detection sub-module, for detecting in the signal of described M road whether there is invalid signals;
Replacing and add submodule, for when there is L road invalid signals in the signal of described M road, described L road invalid signals being replaced with default pattern.
9. transmission protective device according to claim 8, is characterized in that,
Described replacement adds submodule also for when L is greater than N, is replaced by the signal of default pattern adds the second alarm identifier on described L road.
10. a transmission protective device, is characterized in that, comprising:
Receiver module, the M+N road signal that the first transmission protective device for being received opposite end by business output unit is exported, described M+N road signal comprises the N road backup signal that the first transmission protective device generates according to the M road signal that the cross unit of opposite end exports;
Processing module, for selecting M road signal from the signal of described M+N road, selected M road signal comprises P road normal signal, the number of normal signal in the M road signal that the cross unit that described P is not less than described opposite end exports;
Sending module, for the M road signal transmission described processing module selected to cross unit;
Wherein, described M, N, P are natural number.
11. transmission protective devices according to claim 10, it is characterized in that, described processing module comprises:
Whether detection sub-module, have signal to carry the second alarm identifier for detecting in the signal of described M+N road;
Chooser module, for when not having signal to carry the second alarm identifier in the signal of described M+N road, the signal selecting M road not from the signal of described M+N road for presetting pattern; When having L road signal to carry the second alarm identifier in the signal of described M+N road, from the signal of described M+N road, select M+N-L road for presetting the signal that the signal of pattern and L-N road are default pattern, wherein, the signal presetting pattern is formed after invalid signals is replaced with default pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010187242.8A CN102255660B (en) | 2010-05-21 | 2010-05-21 | The transmission protecting of business access signal and transmission protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010187242.8A CN102255660B (en) | 2010-05-21 | 2010-05-21 | The transmission protecting of business access signal and transmission protective device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102255660A CN102255660A (en) | 2011-11-23 |
| CN102255660B true CN102255660B (en) | 2015-09-16 |
Family
ID=44982669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010187242.8A Expired - Fee Related CN102255660B (en) | 2010-05-21 | 2010-05-21 | The transmission protecting of business access signal and transmission protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102255660B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1378353A (en) * | 2001-04-02 | 2002-11-06 | 深圳市中兴通讯股份有限公司 | Device for raising business protection capacity of optical transmission equipment network |
| CN101616341A (en) * | 2009-08-05 | 2009-12-30 | 中兴通讯股份有限公司 | A kind of method and apparatus of cross protection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6362905B1 (en) * | 1997-02-24 | 2002-03-26 | Hitachi, Ltd. | Optical crossconnect apparatus and optical transmission system |
-
2010
- 2010-05-21 CN CN201010187242.8A patent/CN102255660B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1378353A (en) * | 2001-04-02 | 2002-11-06 | 深圳市中兴通讯股份有限公司 | Device for raising business protection capacity of optical transmission equipment network |
| CN101616341A (en) * | 2009-08-05 | 2009-12-30 | 中兴通讯股份有限公司 | A kind of method and apparatus of cross protection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102255660A (en) | 2011-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5970059B2 (en) | Multilane transmission apparatus and fault lane notification method | |
| CN101599812B (en) | data transmission equipment | |
| GB9807786D0 (en) | Optical subscriber network system and fault supervising method for optical subscriber network system | |
| CN103634186A (en) | Ring-network serial communication method and system | |
| US8935566B2 (en) | Plug-in card storage device and error correction control method thereof | |
| JP2014057167A (en) | Communication system and optical transmission device | |
| CN102255660B (en) | The transmission protecting of business access signal and transmission protective device | |
| CN109104647B (en) | Ethernet service interrupt processing method, system and networking system | |
| US20070010209A1 (en) | Communication control method and communication system for preventing deterioration in communication characteristics caused by failure | |
| CN103392304A (en) | Alarming inhibiting method and optical network device | |
| EP1703396B1 (en) | Error detection & correction | |
| JP4545756B2 (en) | Optical wavelength add / drop device and failure recovery method | |
| US8429484B2 (en) | Digitized radar information redundancy method and system | |
| CN104518958A (en) | A transmission processing method for associated fibre channel signals and an optical transport network device | |
| WO2000072148A1 (en) | Fault tolerant parity generation | |
| JP3800516B2 (en) | EXTERNAL STORAGE DEVICE, CONTROL METHOD, EXTERNAL STORAGE DEVICE SYSTEM, PROGRAM, AND RECORDING MEDIUM | |
| CN102779084B (en) | Fault filling method and device | |
| KR20160115006A (en) | Apparatus and method for protection switching of optical line | |
| JP2016220095A (en) | Data transmission device, data transmission system, and data transmission method | |
| JP5841226B1 (en) | Telemetry data monitoring and repairing apparatus and monitoring and repairing method | |
| EP2197142A1 (en) | System and method for packet protection switching | |
| JP6106994B2 (en) | Information processing apparatus, data transfer apparatus, information processing system, and method | |
| US11196615B2 (en) | Redundant system | |
| CN202102421U (en) | Fault injection detector | |
| CN101771495B (en) | Data correction method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20170521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |