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Method and device for implementing mpls-tp shared ring protection msrp ring network protection system based on openflow

A protection system and shared ring technology, applied in the transmission system, digital transmission system, data exchange network, etc., can solve the problems of inconvenient unified management, complicated configuration, troublesome, etc., and achieve the effect of convenient unified configuration and management

Active Publication Date: 2019-07-26
SUZHOU CENTEC COMM CO LTD
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Problems solved by technology

[0005] However, the existing MSRP ring network protection implemented by MPLS-TP has the following defects: 1. The configuration is complicated, and there are multiple nodes on the ring. The MPLS label configuration of the ring and the lower ring will be even more troublesome if the addition and deletion of nodes on the ring are considered
2. Inconvenient unified management

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  • Method and device for implementing mpls-tp shared ring protection msrp ring network protection system based on openflow
  • Method and device for implementing mpls-tp shared ring protection msrp ring network protection system based on openflow

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Embodiment Construction

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0039] A method and device for implementing an MPLS-TP shared ring protection MSRP ring network protection system based on OpenFlow disclosed by the present invention, based on OpenFlow semantics, the controller sends the flow table to the switch, and uniformly assigns labels to the nodes on the ring and issues Configuration, used to implement MSRP ring protection in MPLS-TP network.

[0040] Embodiments of the present invention refer to figure 1 The shown MSRP ring is described, taking point D as the off-ring point as an example, it is very easy to extend to other nodes as off-ring points. Assume that the upper and lower ring interfaces of each node are port1, the clockwise egress on the ring is port2, and the counterclockwise egress is port3. In addition, because the MAC address of ...

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Abstract

The present invention discloses a method and device for realizing MPLS-TP shared ring protection MSRP ring network protection system based on OpenFlow. The controller sends the flow table to the switch, uniformly distributes labels and sends configurations, so that the controller collects them on the ring The connection order of the nodes, and maintain the MAC information of the nodes, and an independent MPLS label pool to allocate mpls labels; and use the group table of type ff to perform protection and use the working ring tunnel first, thus realizing the semantics based on OpenFlow MSRP ring network protection in MPLS-TP network is convenient for unified configuration and management.

Description

technical field [0001] The invention relates to an MPLS-TP shared ring protection (MSRP) technology, in particular to a method and device for realizing an MPLS-TP shared ring protection MSRP ring network protection system based on OpenFlow. Background technique [0002] Ring topology is the most widely used topology in MPLS-TP networks. MPLS-TP Ring Protection Switching (MRPS) requires that the service recovery time should be less than 50ms when the ring network fails. MRPS has two mechanisms: Wrapping (loopback) way; Steering (steering) way. The Wrapping method is similar to MS-SPRing, which is widely used in SDH. When there is no fault, user services run on the working LSP; All the services on the working LSP are bridged to the professional protection tunnel, and the service is transmitted along the ring to the peer neighbor node in the faulty section on the protection tunnel, and then bridged back to the working LSP. [0003] Therefore, traditional MPLS-TP has already s...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/723H04L12/703H04L45/28H04L45/50
CPCH04L41/0663H04L45/28H04L45/50
Inventor 刘敬一
Owner SUZHOU CENTEC COMM CO LTD
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