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Traffic forwarding method of multicast vpn network, pe and multicast vpn network

A traffic forwarding and network technology, applied in the field of communication

Active Publication Date: 2022-07-08
重庆中兴软件有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, using the MOFRR scheme will cause a large amount of redundant traffic in the network

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  • Traffic forwarding method of multicast vpn network, pe and multicast vpn network
  • Traffic forwarding method of multicast vpn network, pe and multicast vpn network
  • Traffic forwarding method of multicast vpn network, pe and multicast vpn network

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Embodiment Construction

[0083] In order to make the technical problems, technical solutions and advantages to be solved by the present invention more clear, the following will be described in detail with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided merely to assist in a comprehensive understanding of embodiments of the present invention. Accordingly, it should be apparent to those skilled in the art that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

[0084] It is to be understood that reference throughout the specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic associated with the embodiment is included in at least one...

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Abstract

The invention provides a traffic forwarding method, PE and multicast VPN network of a multicast VPN network. The traffic forwarding method of the multicast VPN network includes: receiving join routing information sent by the edge PE of a downstream service provider; according to the joining routing information , identifies itself as an alternate path device, and configures itself in a state where it does not forward traffic. In the embodiment of the present invention, by adding routing information, the first upstream PE and the second upstream PE can determine their own master and backup according to the added routing information, and the master path is set to forward traffic, and the backup path device does not forward traffic, thus not consuming public traffic. network bandwidth resources, no redundant traffic occurs.

Description

technical field [0001] The invention relates to the field of communication technologies, in particular to a traffic forwarding method of a multicast VPN network, a PE and a multicast VPN network. Background technique [0002] With the development of multicast VPN technology, the technical solution of establishing public network multicast VPN tunnel and private network route advertisement through MPLS / BGP is gradually used. Among them, because the PE node acts as the head node and tail node of the tunnel, there are many packet exchanges and protocol calculations. After the node is powered off, the route re-convergence will be slower than that of traditional IP multicast. [0003] The related IP multicast generally uses the MOFRR (Multicast-Only Fast Reroute) scheme for fast path switching. The basic idea is to divert traffic to the downstream nodes on the active and standby paths, and the downstream nodes select one of the main paths to forward the traffic. When the upstream...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L45/16H04L45/247H04L12/46
CPCH04L12/4641H04L45/16H04L45/22H04L45/38
Inventor 徐本崇纪小利方昌奇
Owner 重庆中兴软件有限责任公司
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