CN102404152B - Method and equipment for identifying response messages - Google Patents
Method and equipment for identifying response messages Download PDFInfo
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- CN102404152B CN102404152B CN201110387521.3A CN201110387521A CN102404152B CN 102404152 B CN102404152 B CN 102404152B CN 201110387521 A CN201110387521 A CN 201110387521A CN 102404152 B CN102404152 B CN 102404152B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
Abstract
The invention discloses a method for identifying response messages, comprising the following steps: transmitting a transmission message by a piece of first equipment, wherein the reserved field or extended field of the transmission message carry a first message identification; receiving a response message, wherein the reserved field and extended field of the response message carry a second message identification; comparing the first message identification with the second message identification; and judging whether the response message is the response message corresponding to the transmission message according to the comparing result. The embodiment of the invention further provides a piece of corresponding equipment. The technical solution of the embodiment of the invention carries the message identifications in the transmission message and the response message, identifies the response message corresponding to the transmission message through comparing the message identifications, and solves the problem that the response messages cannot be identified because of the priority changes in prior art.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of method and apparatus of identifying response message.
Background technology
In the mechanism that Ethernet OAM (Operation Administration and Maintenance, Operations, Administration and Maintenance) realizes, conventionally need to identify response message, to determine the corresponding relation that sends message and response message.For example, at latency measurement (Delay Measurement, DM) in the realization of technology, the measurement of frame time delay and frame Delay Variation is by safeguard boundary point (Maintenance End Point to equity, MEP) send periodically the frame with DM information, and complete with the frame of DM information from reciprocity MEP reception in diagnostic interval; MEP sends after measured message, must from the message of receiving, identify the response message corresponding with each measured message.
In prior art, can adopt service quality (Quality of Service, QoS) priority is identified response message, if the priority of the response message of receiving is identical with the priority that sends message, thinks that this response message is the response message corresponding with this transmission message.But in fact, the first equipment sends to the message of the second equipment to tend to through at least one intermediate equipment, due to the difference of priority configuration, after intermediate equipment, the priority of carrying in heading can change, thereby the second equipment returns to the priority of response message and the priority of former transmission message of the first equipment will be different, cause the first equipment None-identified to go out the response message corresponding with sending message.And then, cannot complete subsequent operation, as latency measurement, or statistics number of dropped packets etc.
Summary of the invention
The embodiment of the present invention provides a kind of method and apparatus of identifying response message, to solve in prior art because priority changes the problem that causes None-identified response message.
According to the embodiment of the present invention aspect, a kind of method of identifying response message, comprising:
The first equipment sends transmission message, carries the first message identification in the reserved field of described transmission message or extended field;
Receive response message, in the reserved field of described response message or extended field, carry the second message identification;
Described the first message identification and described the second message identification are compared, judge according to comparative result whether described response message is the response message corresponding with described transmission message.
According to another aspect of the embodiment of the present invention, a kind of method of identifying response message, comprising:
The second equipment receives the transmission message that the first equipment sends, and carries the first message identification in the reserved field of described transmission message or extended field;
Generate response message, described the first message identification is carried in the reserved field or extended field of described response message, described response message is sent to the first equipment.
Alternatively, described the first equipment sends transmission message, in described transmission message, carrying the first message identification comprises: the first equipment generates and sends message, obtain the priority of described transmission message as the first message identification, described priority is write in the reserved field or extended field of described transmission message, send the described transmission message that carries priority.
Alternatively, described the first equipment sends transmission message, in described transmission message, carrying the first message identification comprises: the first equipment generates and sends message, for described transmission message generates a sequence number as the first message identification, described sequence number is write in the extended field of described transmission message, send the described transmission message that carries sequence number.
Alternatively, described the first equipment sends transmission message, in described transmission message, carrying the first message identification comprises: the first equipment generates and sends message, rear extended meeting is mapped as to two of equal priority by intermediate equipment to be sent above message and is divided in a message group, for each message group is determined first message identification, in all measured message in a message group, write the first identical message identification, send the described transmission message that carries described the first message identification.
Alternatively, describedly determine that for each message group first message identification comprises: for each message group generates first message identification of a sequence number as this message group, or, the first message identification using the priority of the one or more transmission messages in each message group as this message group.
Alternatively, described described the first message identification and described the second message identification are compared, judge according to comparative result whether described response message is that the response message corresponding with described transmission message comprises: described the first message identification and described the second message identification are compared, if described the first message identification is identical with described the second message identification, confirm whether described response message is the response message corresponding with described transmission message.
According to another aspect of the embodiment of the present invention, a kind of equipment of identifying response message, comprising:
Transceiver module, for sending transmission message, carries the first message identification in the reserved field of described transmission message or extended field; Receive response message, in the reserved field of described response message or extended field, carry the second message identification;
Judge module, for described the first message identification and described the second message identification are compared, judges according to comparative result whether described response message is the response message corresponding with described transmission message.
According to another aspect of the embodiment of the present invention, a kind of equipment of identifying response message, comprising:
Receiver module, the transmission message sending for receiving the first equipment, carries the first message identification in the reserved field of described transmission message or extended field;
Generation module, for generating response message, is carried at described the first message identification in the reserved field or extended field of described response message;
Sending module, for sending to the first equipment by described response message.
Alternatively, described transceiver module comprises: the first identify unit,, writes described priority in the reserved field or extended field of described transmission message as the first message identification for the priority of obtaining described transmission message.
Alternatively, described transceiver module comprises: the second identify unit, and be used to described transmission message to generate a sequence number as the first message identification, described sequence number is write in the extended field of described transmission message.
Alternatively, described transceiver module comprises: the 3rd identify unit, send above message and be divided into a message group for rear extended meeting is mapped as to two of equal priority by intermediate equipment, for each message group is determined first message identification, in all measured message in a message group, write the first identical message identification.
Alternatively, it is characterized in that: described judge module, specifically for described the first message identification and described the second message identification are compared, if described the first message identification is identical with described the second message identification, confirm whether described response message is the response message corresponding with described transmission message.Embodiment of the present invention technical scheme, by carry message identification in transmission message and response message, can identify the response message corresponding with sending message by comparing message identification.
Brief description of the drawings
Fig. 1 is the flow chart of the method for the identification response message that provides of one embodiment of the invention;
Fig. 2 a is the encapsulation format schematic diagram of packet loss measured message (LMM);
Fig. 2 b is that the encapsulation format schematic diagram of (LMR) is replied in packet loss measurement;
Fig. 2 c is the encapsulation format schematic diagram of the LMM message after embodiment of the present invention expansion;
Fig. 3 is the flow chart of the method for the identification response message that provides of another embodiment of the present invention;
Fig. 4 is the schematic diagram of the equipment of the identification response message that provides of one embodiment of the invention;
Fig. 5 is the schematic diagram of the equipment of the identification response message that provides of another embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of method and apparatus of identifying response message, can solve in prior art because priority changes the problem that causes None-identified response message.The embodiment of the present invention also provides corresponding equipment.Below be elaborated respectively.
Embodiment mono-,
Please refer to Fig. 1, the embodiment of the present invention provides a kind of method of identifying response message, comprising:
101, the first equipment sends transmission message, carries the first message identification in the reserved field of described transmission message or extended field.
In order to identify the corresponding relation that sends message and the follow-up response message of receiving, the first equipment of source, in the time sending transmission message, can carry message identification in transmission message, the transmission message that carries message identification is sent to the second equipment of receiving terminal.Between the first equipment and the second equipment, can there is no intermediate equipment, can have one or more intermediate equipment yet.
In the scene such as statistics and latency measurement based on priority, the original priority of the transmission message that can generate using the first equipment, as message identification, certainly, also can generate a sequence number as message identification in addition.This message identification can be carried in the reserved field that sends message, also can expand agreement, increases extended field, and message identification is carried in the extended field that sends message.
For convenience of describing, be follow-uply called the first message identification by sending the message identification carrying in message.
102, receive response message, in the reserved field of described response message or extended field, carry the second message identification.
The second equipment of receiving terminal is received after the transmission message from the first equipment, extract from sending message the message identification carrying, generate response message, this message identification is carried in response message, then send the response message that carries this message identification to the first equipment.For convenience of describing, follow-up, the message identification carrying in response message is called to the second message identification.
The first equipment is received after the response message that the second equipment returns, and can first extract the second message identification carrying in response message, then just can judge this response message and send the corresponding relation of message according to message identification.
103, described the first message identification and described the second message identification are compared, judge according to comparative result whether described response message is the response message corresponding with described transmission message.
The second message identification carrying in response message and the first message identification that transmission message carries can be compared, if the second message identification of certain response message is identical with the first message identification that certain sends message,, can confirm that this response message is the response message corresponding with this transmission message.
Then, the first equipment just can carry out subsequent operation accordingly, for example, according to the quantity of message identification statistics response message, carries out packet loss calculating; Or, extract the data of carrying in response message, compare with the data of corresponding transmission message, calculate the data such as frame time delay.
To sum up, the embodiment of the present invention provides a kind of method of identifying response message, and the method, by sending the technical scheme of carrying message identification in message and response message, makes to identify the response message corresponding with sending message by comparing message identification.
Embodiment bis-,
The present embodiment taking ITU-T Y.1731 the Ethernet OAM of standard recommendation describe as example.
The ITU-T Y.1731 packet loss statistical method of standard recommendation is to send packet loss measured message (Loss Measurement Message by source MEP, LMM) give reciprocity MEP, receive the packet loss measurement that reciprocity MEP returns and reply (Loss Measurement Reply, LMR) message, adds up respectively according to the priority of message.In prior art, due to after the forwarding of intermediate equipment, there is variation in the priority of message, and MEP cannot correctly identify response message, thereby the result of packet loss statistics is inaccurate.
The encapsulation format of the protocol Data Unit (Protocol Date Unit, PDU) of LMM and two kinds of messages of LMR is respectively as shown in Fig. 2 a and 2b.Wherein, " mark " field that value is 0 conventionally is not used current, is reserved field.The length of this field is a byte.
In a kind of implementation, can, using the original priority of transmission message LMM as message identification, original priority be write in " mark " field of message.Concrete, source MEP can generate transmission message, during as LMM message, tag field at LMM message writes original priority, and reciprocity MEP receives after this LMM message, can first extract the original priority that the tag field of LMM message writes, then generate response message, it is LMR message, described original priority is write in the tag field of LMR message, source MEP receives after LMR message, just can judge that whether the message identification that the message identification that carries in LMR message and LMM message carry is identical, if identical, illustrate that this LMR message is the response message corresponding to this LMM message.In above-mentioned whole process, tag field can not be modified, and can ensure that the original priority that MEP can write by identification mark field identifies response message.This kind of mode, does not need to revise consensus standard, with existing operating such, easy to implement.
In another kind of implementation, can improve standard, the message format that Y.1731 ITU-T is defined in standard is expanded, and equally using the original priority that sends message LMM as message identification, but original priority is write in the extended field of message.Example as shown in Figure 2 c, can, using these four bytes of the 5-8 of message as extended field, be used for carrying message identification.Certainly, the length of extended field can determine according to actual needs, is not limited to four bytes.
Above, the present embodiment taking ITU-T Y.1731 the Ethernet OAM of standard recommendation as example, illustrated as original priority be how message identification, how message identification is carried at and is sent in message and response message, and then identification response message, solve in prior art because priority changes the problem that causes None-identified response message.
Embodiment tri-,
The present embodiment still taking ITU-T Y.1731 the Ethernet OAM of standard recommendation describe as example.
Alternatively, in one embodiment, in the time generating transmission message, generate a sequence number for sending message, using this sequence number as message identification; Alternatively, in one embodiment, can the reserved field of message will be write as the sequence number of message identification, for example, in " mark " field; But, because the length of " mark " field only has a byte, the value maximum representing can only arrive 256, and sequence number exceedes 256 possibly, therefore, alternatively, in another kind of embodiment, can improve standard, the message format that Y.1731 ITU-T is defined in standard is expanded, and will write in the extended field of message as the sequence number of message identification.The mode of amplifying message can be with reference to preceding method, and example as shown in Figure 2 c, can, using these four bytes of the 5-8 of message as extended field, be used for carrying message identification.Certainly, the length of extended field can determine according to actual needs, is not limited to four bytes.
For identical statistics or measuring object, the transmission message that the first equipment generates adopts identical sequence number, in the response message of these transmission messages, also will carry identical sequence number, the first equipment can be identified response message and the corresponding relation that sends message according to sequence number.
Above, the present embodiment taking ITU-T Y.1731 the Ethernet OAM of standard recommendation as example, illustrated as sequence number be how message identification, how message identification is carried at and is sent in message and response message, and then identification response message, solve in prior art because priority changes the problem that causes None-identified response message.
Embodiment tetra-,
The present embodiment still describes as an example of the Ethernet OAM of ITU-TY.1731 standard recommendation example.
In fact, in the network planning, can recognize which priority finally can be mapped in same priority, therefore, the present embodiment proposes the concept of message group (Group), can send when message generating, and rear extended meeting is mapped as to two of equal priority by intermediate equipment and sends above message and be divided in a message group, determine a message identification for each message group, in all measured message in a message group, write identical message identification.While carrying out packet loss statistics, can add up by message group, a message group shares a counter, and transmission message and response message unification to same message group are added up.
Can be that each message group generates the message identification of a sequence number as this message group, each in this message group sends in message and all writes this sequence number.The mode reference example three of generation and writing sequence number.
Also can adopt the priority of some transmission messages in a message group, or the combination of the priority of multiple transmission messages, as the message identification of this message group.Generate and write the mode reference example two of this kind of message identification.
Alternatively, can also be with the combination of the priority of sequence number and transmission message, as the message identification of message group.For example, can be that each message group generates a sequence number, by the combination of the priority of this sequence number and all transmission messages of this message group, as the message identification of this message group.
Above, the present embodiment taking ITU-T Y.1731 the Ethernet OAM of standard recommendation as example, illustrated how to divide message group, determine message identification by message group, and then identification response message, solve in prior art because priority changes the problem that causes None-identified response message.
Above embodiment bis-to four be taking ITU-T Y.1731 the Ethernet OAM of standard recommendation describe as example, what solve is to change because of priority the problem that causes None-identified response message, but it should be noted that, the disclosed technical scheme of the embodiment of the present invention is applicable to need in all Ethernet OAM the application scenarios of identification and definite corresponding relation that sends message and response message, is also not limited to solve the scene of carrying out message identification taking priority as keyword.
Embodiment five,
Please refer to Fig. 3, the embodiment of the present invention provides a kind of method of identifying response message, comprising:
301, the second equipment receives the transmission message that the first equipment sends, and carries the first message identification in the reserved field of described transmission message or extended field.
In order to identify the corresponding relation that sends message and the follow-up response message of receiving, the first equipment of source, in the time sending transmission message, can carry message identification in transmission message, the transmission message that carries message identification is sent to the second equipment of receiving terminal.Between the first equipment and the second equipment, can there is no intermediate equipment, can have one or more intermediate equipment yet.For convenience of describing, be follow-uply called the first message identification by sending the message identification carrying in message.
302, generate response message, described the first message identification is carried in the reserved field or extended field of described response message, described response message is sent to the first equipment.
The second equipment of receiving terminal is received after the transmission message from the first equipment, extract from sending message the message identification carrying, generate response message, the message identification extracting is carried in response message, then send the response message that carries this message identification to the first equipment.For convenience of describing, follow-up, the message identification carrying in response message is called to the second message identification.
Like this, the first equipment is received after the response message that the second equipment returns, and then just can judge this response message and send the corresponding relation of message according to message identification.If the second message identification of certain response message is identical with the first message identification that certain sends message,, can confirm that this response message is the response message corresponding with this transmission message.
To sum up, the embodiment of the present invention provides a kind of method of identifying response message, and the method, by sending the technical scheme of carrying message identification in message and response message, makes to identify the response message corresponding with sending message by comparing message identification.
Embodiment six,
Please refer to Fig. 4, the embodiment of the present invention provides a kind of equipment of identifying response message, comprising:
Transceiver module 401, for sending transmission message, carries the first message identification in the reserved field of described transmission message or extended field; Receive response message, in the reserved field of described response message or extended field, carry the second message identification;
Judge module 402, for described the first message identification and described the second message identification are compared, judges according to comparative result whether described response message is the response message corresponding with described transmission message.
Alternatively, described transceiver module can comprise:
The first identify unit,, writes described priority in the reserved field or extended field of described transmission message as the first message identification for the priority of obtaining described transmission message;
Or,
The second identify unit, is used to described transmission message to generate a sequence number as the first message identification, described sequence number is write in the extended field of described transmission message;
Or,
The 3rd identify unit, send above message and be divided into a message group for rear extended meeting is mapped as to two of equal priority by intermediate equipment, for each message group is determined first message identification, in all measured message in a message group, write the first identical message identification.
Wherein, described judge module 402, specifically for described the first message identification and described the second message identification are compared, if described the first message identification is identical with described the second message identification, confirm whether described response message is the response message corresponding with described transmission message.
To sum up, the embodiment of the present invention provides a kind of equipment of identifying response message, this equipment can carry message identification in transmission message, extract the message identification carrying in response message, identify the response message corresponding with sending message by comparing message identification, solved in prior art because priority changes the problem that causes None-identified response message.
Embodiment six,
Please refer to Fig. 5, the embodiment of the present invention provides a kind of equipment of identifying response message, comprising:
Sending module 503, for sending to the first equipment by described response message.
To sum up, the embodiment of the present invention provides a kind of equipment of identifying response message, this equipment can extract the message identification carrying in the transmission message from sending ending equipment, this message identification is carried at and in response message, returns to sending ending equipment, so that sending ending equipment is identified the response message corresponding with sending message by comparing message identification, solve in prior art because priority changes the problem that causes None-identified response message.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is can carry out the hardware that instruction is relevant by program to complete, this program can be stored in a computer-readable recording medium, and storage medium can comprise: read-only memory, read memory, disk or CD etc. immediately.
The method and apparatus of the identification the response message above embodiment of the present invention being provided is described in detail, but the explanation of above embodiment is just understood method of the present invention and core concept thereof for helping, and should not be construed as limitation of the present invention.In the technical scope that those skilled in the art disclose in the present invention, the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
Claims (5)
1. a method of identifying response message, is characterized in that, comprising:
The first equipment sends transmission message, carries the first message identification in the reserved field of described transmission message or extended field;
Receive response message, in the reserved field of described response message or extended field, carry the second message identification;
Described the first message identification and described the second message identification are compared, judge according to comparative result whether described response message is the response message corresponding with described transmission message;
Wherein, described the first equipment sends transmission message, in the reserved field of described transmission message or extended field, carrying the first message identification comprises: the first equipment generates and sends message, rear extended meeting is mapped as to two of equal priority by intermediate equipment to be sent above message and is divided in a message group, for each message group is determined first message identification, in all measured message in a message group, write the first identical message identification, send the described transmission message that carries described the first message identification.
2. method according to claim 1, is characterized in that, describedly determines that for each message group first message identification comprises:
For each message group generates first message identification of a sequence number as this message group, or, the first message identification using the priority of the one or more transmission messages in each message group as this message group.
3. method according to claim 1, is characterized in that, described described the first message identification and described the second message identification is compared, and judges according to comparative result whether described response message is that the response message corresponding with described transmission message comprises:
Described the first message identification and described the second message identification are compared, if described the first message identification is identical with described the second message identification, confirm that described response message is the response message corresponding with described transmission message.
4. an equipment of identifying response message, is characterized in that, comprising:
Transceiver module, for sending transmission message, carries the first message identification in the reserved field of described transmission message or extended field; Receive response message, in the reserved field of described response message or extended field, carry the second message identification;
Judge module, for described the first message identification and described the second message identification are compared, judges according to comparative result whether described response message is the response message corresponding with described transmission message;
Wherein, described transceiver module comprises:
The 3rd identify unit, send above message and be divided into a message group for rear extended meeting is mapped as to two of equal priority by intermediate equipment, for each message group is determined first message identification, in all measured message in a message group, write the first identical message identification.
5. equipment according to claim 4, is characterized in that:
Described judge module, specifically for described the first message identification and described the second message identification are compared, if described the first message identification is identical with described the second message identification, confirms that described response message is the response message corresponding with described transmission message.
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| CN201110387521.3A CN102404152B (en) | 2011-11-29 | 2011-11-29 | Method and equipment for identifying response messages |
| PCT/CN2012/079243 WO2013078873A1 (en) | 2011-11-29 | 2012-07-27 | Method and device for identifying response message |
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| CN201110387521.3A CN102404152B (en) | 2011-11-29 | 2011-11-29 | Method and equipment for identifying response messages |
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| CN102404152B true CN102404152B (en) | 2014-06-04 |
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| CN102404152B (en) * | 2011-11-29 | 2014-06-04 | 华为技术有限公司 | Method and equipment for identifying response messages |
| CN105991357A (en) * | 2015-02-06 | 2016-10-05 | 中兴通讯股份有限公司 | Packet loss determination processing and determining methods and packet loss determination processing and determining devices |
| CN106027329A (en) * | 2016-05-16 | 2016-10-12 | 乐视控股（北京）有限公司 | Push service testing method and device |
| CN108156050A (en) * | 2017-11-28 | 2018-06-12 | 盛科网络（苏州）有限公司 | Seamless bidirectional forwarding detection (BFD) method and device |
| CN112565295A (en) * | 2020-12-24 | 2021-03-26 | 中国电子科技集团公司第二十研究所 | Instruction response optimization method based on sequential coding |
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| CN1951053A (en) * | 2004-05-04 | 2007-04-18 | 艾利森电话股份有限公司 | Improved incremental redundancy operation in a wireless communication network |
| CN101582756A (en) * | 2008-05-14 | 2009-11-18 | 北京中电华大电子设计有限责任公司 | Method for realizing immediate block reply mechanism of wireless local area network |
| CN101686199A (en) * | 2009-07-20 | 2010-03-31 | 中兴通讯股份有限公司 | Method, device and system for processing control message in Ethernet protection system |
| CN102186221A (en) * | 2011-04-25 | 2011-09-14 | 北京星网锐捷网络技术有限公司 | Method and device for updating routing table item |
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| CN100334866C (en) * | 2003-03-21 | 2007-08-29 | 华为技术有限公司 | Method for realizing dynamic gateway load sharing and backup |
| JP4945564B2 (en) * | 2006-06-20 | 2012-06-06 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile communication system and radio communication method |
| CN101425891B (en) * | 2008-12-09 | 2012-09-12 | 中兴通讯股份有限公司 | Time synchronization method, system and customer terminal |
| CN102404152B (en) * | 2011-11-29 | 2014-06-04 | 华为技术有限公司 | Method and equipment for identifying response messages |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1951053A (en) * | 2004-05-04 | 2007-04-18 | 艾利森电话股份有限公司 | Improved incremental redundancy operation in a wireless communication network |
| CN101582756A (en) * | 2008-05-14 | 2009-11-18 | 北京中电华大电子设计有限责任公司 | Method for realizing immediate block reply mechanism of wireless local area network |
| CN101686199A (en) * | 2009-07-20 | 2010-03-31 | 中兴通讯股份有限公司 | Method, device and system for processing control message in Ethernet protection system |
| CN102186221A (en) * | 2011-04-25 | 2011-09-14 | 北京星网锐捷网络技术有限公司 | Method and device for updating routing table item |
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| CN102404152A (en) | 2012-04-04 |
| WO2013078873A1 (en) | 2013-06-06 |
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