CN108989201A - A kind of end-to-end path configuration method for SNCP tangent rings business - Google Patents

A kind of end-to-end path configuration method for SNCP tangent rings business Download PDF

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Publication number
CN108989201A
CN108989201A CN201811027767.8A CN201811027767A CN108989201A CN 108989201 A CN108989201 A CN 108989201A CN 201811027767 A CN201811027767 A CN 201811027767A CN 108989201 A CN108989201 A CN 108989201A
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node
path
snc
sncp
business
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CN201811027767.8A
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CN108989201B (en
Inventor
庞圣波
阮方
孙明海
杨兵
周联红
王顺兴
王�华
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Beijing Huahuan Electronics Co Ltd
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Beijing Huahuan Electronics Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/22Alternate routing

Abstract

The invention discloses a kind of end-to-end path configuration methods for SNCP tangent rings business, are primarily based on path to be processed, select the source node and destination node in path to be processed, and the SNC node in path to be processed is arranged;Source node is obtained to all routed paths between destination node;Based on all routed paths obtained, select least two paths of duplicate node as main road by routing with protection;Based on set SNC node, path that 2 meet route conditions is filtered out respectively as master, Protection path, this 2 paths is merged into 1 tangent endless path of SNCP;SNCP tangent rings business is created in the SNC node.The above method does not need to configure point by point, does not need creation protection subnet, setting is flexible, easy to operate, and business configuration is high-efficient yet.

Description

A kind of end-to-end path configuration method for SNCP tangent rings business
Technical field
The present invention relates to network communication technology field more particularly to a kind of end-to-end paths for SNCP tangent rings business Configuration method.
Background technique
In field of communication technology, especially in transmission channel, client of operator protects the mesh of transmission channel in order to reach , it usually needs many complicated protection business of configuration, wherein SNCP tangent rings are a kind of most common protection form of services. Transmission network is usually relatively complex, and a protection channel would generally be related to many nodes, the board on each node is many kinds of, when How quickly, effectively, accurately gap resource is also relatively abundanter, complete be configured as puzzlement client of operator one of protection business A major issue.
In prior art, SNCP tangent rings business usually has single station, end-to-end two kinds of configuration modes: (1) single station is matched The mode of setting needs node configuration one by one, and port that each node uses, the port of time slot and upstream and downstream node, time slot have stringent Corresponding relationship cannot malfunction, and entire configuration process is comparatively laborious, the probability that takes a long time, malfunction is also bigger;(2) end-to-end Configuration mode, it is necessary first to create multiple protection subnets, then be reconfigured business, for access layer network, due to traffic assignments Compare flexibly, change also relatively frequently, protects the mode of subnet that can not be applicable in access layer network scene.
Summary of the invention
The object of the present invention is to provide a kind of end-to-end path configuration methods for SNCP tangent rings business, and this method is not It needs to configure point by point, does not also need creation protection subnet, setting is flexible, easy to operate, and business configuration is high-efficient.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of end-to-end path configuration method for SNCP tangent rings business, which comprises
Step 1 is primarily based on path to be processed, selects the source node and destination node in path to be processed, and is arranged to be processed The SNC node in path;
Step 2 obtains source node to all routed paths between destination node;
Step 3, be based on all routed paths obtained, select least two paths of duplicate node as main road by with Protection routing;
Step 4, based on set SNC node, filter out 2 and meet the path of route conditions respectively as master, protection Path, and this 2 paths is merged into 1 tangent endless path of SNCP;
Step 5 creates SNCP tangent rings business in the SNC node.
In step 1, the process of the SNC node in path to be processed is set are as follows:
It is directly configured on the node that path to be processed is chosen;
Or when creating SNCP end-to-end path, select qualified node for SNC node according to routing condition.
The process of step 2 specifically:
The access between node two-by-two is constructed, connected graph is formed by according to access and obtains source node between destination node All routed paths.
The process of step 4 specifically:
Main, Protection path each Segment routing is traversed, according to the source of Segment routing, the consistency of egress, determining double hairs, Node is received in choosing;
Attribute according to double hair node setting Segment routing sources is double hair types, if double hair nodes are SNC section simultaneously Point, then the attribute that Segment routing source is arranged is SNC type;
It is that type is received in choosing according to the attribute that node setting Segment routing egress is received in choosing, if it is SNC section that choosing, which receives node simultaneously, Point, then the attribute that Segment routing egress is arranged is SNC type;
The type of all Segment routings of Protection path is revised as protecting, and deletes the duplicate node on Protection path, Path is completed to merge.
As seen from the above technical solution provided by the invention, the above method does not need to configure point by point, does not need to create yet Protection subnet is built, setting is flexible, easy to operate, and business configuration is high-efficient.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is that the end-to-end path configuration method process provided in an embodiment of the present invention for SNCP tangent rings business is illustrated Figure;
Fig. 2 is the topological structure schematic diagram of example of the embodiment of the present invention;
Fig. 3 is the side structural schematic diagram of adjacency list described in the embodiment of the present invention;
Fig. 4 is the schematic diagram of adjacency list constructed by the embodiment of the present invention;
Fig. 5 is that path obtained by the embodiment of the present invention routes schematic diagram;
Fig. 6 is the schematic diagram of intersection described in the embodiment of the present invention.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, belongs to protection scope of the present invention.
The embodiment of the present invention is described in further detail below in conjunction with attached drawing, is implemented as shown in Figure 1 for the present invention The end-to-end path configuration method flow diagram for SNCP tangent rings business that example provides, which comprises
Step 1 is primarily based on path to be processed, selects the source node and destination node in path to be processed, and is arranged to be processed The SNC node in path;
For example, it is illustrated in figure 2 the topological structure schematic diagram of example of the embodiment of the present invention, is saved by source of NE1 Point, NE7 are destination node, and NE4 is SNC node.
In the specific implementation, the SNC node is there are two types of Provisioning Policy: first is that on the node that path to be processed is chosen directly into Row setting;Such as need to choose NE4 node, right mouse button is clicked, selection setting " SNC node " menu item can be completed;Two It is to select qualified node for SNC node according to routing condition, such as can choose when creating SNCP end-to-end path The check box of pahtfinder hard, program determine that NE4 is SNC node automatically according to routing condition.
Step 2 obtains source node to all routed paths between destination node;
In this step, the access between node two-by-two can be constructed first, and connected graph is formed by according to access and is obtained Source node is to all routed paths between destination node.
For example, the connected graph of the present embodiment uses adjacency list mode, is illustrated in figure 3 neighbour described in the embodiment of the present invention The side structural schematic diagram of table is connect, adjacency list is constructed based on the side structure, is illustrated in figure 4 adjacency list constructed by the embodiment of the present invention Schematic diagram all routed paths in Fig. 2 between source node NE1 to destination node NE7 are obtained according to the adjacency list:
(1)NE1-->NE2-->NE4-->NE5-->NE7;
(2)NE1-->NE2-->NE4-->NE6-->NE7;
(3)NE1-->NE3-->NE4-->NE5-->NE7;
(4)NE1-->NE3-->NE4-->NE6-->NE7。
Step 3, be based on all routed paths obtained, select least two paths of duplicate node as main road by with Protection routing;
In this step, for specific example, based on all routed paths between source node NE1 to destination node NE7, Can there are two types of selections: (1) with (4), (2) and (3), selection (1) and (4) in this example be routed, (4) are protection based on (1) Routing is illustrated in figure 5 the routing of path obtained by embodiment of the present invention schematic diagram.
Step 4, based on set SNC node, filter out 2 and meet the path of route conditions respectively as master, protection Path, and this 2 paths is merged into 1 tangent endless path of SNCP.
For example, the above process specifically:
It is Protection path to meet routing (4) in step 3 to meet the path for routing (1) in step 3 as main path;
Traverse main, Protection path each Segment routing (routing between such as NE1 to NE4, can be described as Segment routing), root According to the source of Segment routing, the consistency of egress, determine that double hairs, choosing receive node, if NE1 is double hair nodes, NE7 is that node is received in choosing, NE4 had both been double hair nodes, also received node for choosing;
Attribute according to double hair node setting Segment routing sources is double hairs type (DUAL_FED), if double hair nodes are same When be SNC node, then be arranged Segment routing source attribute be SNC type;
It is that type (SELECTIVE_RECEIVING) is received in choosing according to the attribute that node setting Segment routing egress is received in choosing, such as It is simultaneously SNC node that node is received in fruit choosing, then the attribute that Segment routing egress is arranged is SNC type;
The type of all Segment routings of Protection path is revised as protecting, deletes the node NE4 (main road on Protection path Diameter has had the node), it completes path and merges.
Step 5 creates SNCP tangent rings business in the SNC node.
For example, by taking the topological structure of Fig. 2 as an example, need to create NE4-A1, NE4-A2, NE4-B1, NE4-B2 tetra- (here, A1, A2, B1, B2 indicate that port numbers, such as A1.1.1 indicate the 1st of the 1st VC4 of the port A1 to the tangent rings business of point A VC12), illustrate by taking the 1st VC12 of the 1st VC4 of each port as an example, is illustrated in figure 6 friendship described in the embodiment of the present invention Pitch the schematic diagram of figure, specific intersection information (all unidirectional SNCP business) are as follows:
(1) source: NE4-A1.1.1, place: NE4-B1.1.1, protection: NE4-A2.1.1;
(2) source: NE4-A1.1.1, place: NE4-B2.1.1, protection: NE4-A2.1.1;
(3) source: NE4-B1.1.1, place: NE4-A1.1.1, protection: NE4-B2.1.1;
(4) source: NE4-B1.1.1, place: NE4-A2.1.1, protection: NE4-B2.1.1.
It is worth noting that, the content being not described in detail in the embodiment of the present invention belongs to professional and technical personnel in the field's public affairs The prior art known.
In conclusion method provided by the embodiment of the present invention does not need to configure point by point, creation protection subnet is not needed yet, Only need to be arranged SNC node, and SNC node is temporarily specified in configuration service, very flexibly, easy to operate, business is matched Set it is high-efficient, especially in business change than more frequently access layer network, advantage become apparent from.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art, It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims Subject to enclosing.

Claims (4)

1. a kind of end-to-end path configuration method for SNCP tangent rings business, which is characterized in that the described method includes:
Step 1 is primarily based on path to be processed, selects the source node and destination node in path to be processed, and path to be processed is arranged SNC node;
Step 2 obtains source node to all routed paths between destination node;
Step 3, be based on all routed paths obtained, select least two paths of duplicate node as main road by with protection Routing;
Step 4, based on set SNC node, filter out path that 2 meet route conditions respectively as master, Protection path, And this 2 paths is merged into 1 tangent endless path of SNCP;
Step 5 creates SNCP tangent rings business in the SNC node.
2. being used for the end-to-end path configuration method of SNCP tangent rings business according to claim 1, which is characterized in that in step In rapid 1, the process of the SNC node in path to be processed is set are as follows:
It is directly configured on the node that path to be processed is chosen;
Or when creating SNCP end-to-end path, select qualified node for SNC node according to routing condition.
3. being used for the end-to-end path configuration method of SNCP tangent rings business according to claim 1, which is characterized in that step 2 process specifically:
The access between node two-by-two is constructed, connected graph is formed by according to access and obtains source node to owning between destination node Routed path.
4. being used for the end-to-end path configuration method of SNCP tangent rings business according to claim 1, which is characterized in that step 4 process specifically:
Main, Protection path each Segment routing is traversed, according to the source of Segment routing, the consistency of egress, double hairs is determined, selects and receive Node;
Attribute according to double hair node setting Segment routing sources is double hair types, if double hair nodes are simultaneously SNC node, The attribute that Segment routing source is arranged is SNC type;
It is that type is received in choosing according to the attribute that node setting Segment routing egress is received in choosing, if it is simultaneously SNC node that node is received in choosing, The attribute that Segment routing egress is arranged is SNC type;
The type of all Segment routings of Protection path is revised as protecting, and deletes the duplicate node on Protection path, is completed Path merges.
CN201811027767.8A 2018-09-04 2018-09-04 End-to-end path configuration method for SNCP tangent ring service Active CN108989201B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113890669A (en) * 2020-07-03 2022-01-04 中国移动通信集团湖南有限公司 Method and device for acquiring transmission network service signal flow and electronic equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070076768A1 (en) * 2005-09-20 2007-04-05 Chiesa Luca D Reconfigurable multiple port transponder
CN101615966A (en) * 2008-06-27 2009-12-30 华为技术有限公司 Realize the mutual method and apparatus of optical channel data cell protection tangent rings

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070076768A1 (en) * 2005-09-20 2007-04-05 Chiesa Luca D Reconfigurable multiple port transponder
CN101615966A (en) * 2008-06-27 2009-12-30 华为技术有限公司 Realize the mutual method and apparatus of optical channel data cell protection tangent rings

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
A.ANTONOPOULOS;J.J.O"REILLY;P.LANE: "《An algorithmic approach for the planning of partial access ETSI SDH SNCP-ring subnetworks》", 《PROCEEDINGS THIRD IEEE SYMPOSIUM ON COMPUTERS AND COMMUNICATIONS. ISCC"98.(CAT. NO.98EX166)》 *
深圳华佳慧科技: "《配置SNCP相切环》", 《HTTPS://WENKU.BAIDU.COM/VIEW/271C5D2CCF84B9D528EA7A69.HTML》 *
龚倩倩: "《基于SDH的网管系统设计及其关键技术的研究》", 《中国优秀硕士学位论文全文数据库》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113890669A (en) * 2020-07-03 2022-01-04 中国移动通信集团湖南有限公司 Method and device for acquiring transmission network service signal flow and electronic equipment
CN113890669B (en) * 2020-07-03 2023-08-15 中国移动通信集团湖南有限公司 Method and device for acquiring service signal flow of transmission network and electronic equipment

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Denomination of invention: An end to end path configuration method for SNCP tangent ring service

Effective date of registration: 20210430

Granted publication date: 20201020

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