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Providing pim-sm support for mrsvp-te based multicast virtual private networks

A multicast data, protocol-independent multicast technology, applied in the branch office to provide special service devices, data exchange network, data exchange details, etc.

Active Publication Date: 2015-05-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The solution may require BGP to extend 7 types of Network Layer Reachability Information (NLRI) and 4 new BGP attributes

Method used

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  • Providing pim-sm support for mrsvp-te based multicast virtual private networks
  • Providing pim-sm support for mrsvp-te based multicast virtual private networks
  • Providing pim-sm support for mrsvp-te based multicast virtual private networks

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Embodiment Construction

[0025] It should be understood at the outset that although an illustrative implementation of one or more example embodiments is provided below, the disclosed systems and / or methods may be implemented using any number of currently known or existing techniques. The invention should in no way be limited to the illustrative implementations, drawings, and techniques illustrated below, including the exemplary designs and implementations illustrated and described herein, but may be limited within the scope of the appended claims and their equivalents. Modify within the complete scope of the object.

[0026] mVPN operates as part of the network infrastructure. For example, mVPN may form part of the network layer within the Open Systems Interconnection (OSI) model of network architecture. The network layer may be used to provide routing and logical addressing for data traffic (eg, one or more data packets) transmitted over a network. Thus, the network layer may provide the functional...

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Abstract

In a source provider edge (PE) router, a method for supporting protocol independent multicast sparse-mode (PIM-SM) using multicast resource reservation protocol-traffic engineering (mRSVP-TE) comprising the steps of creating a protocol independent multicast (PIM) state, sending a first unicast data message to a rendezvous point (RP) PE router using the PIM state, wherein the first unicast data message is a PIM register message encapsulated as a unicast multiprotocol label switching (MPLS) packet, receiving a PIM join message from the RP PE router, wherein the PIM join message triggers creating a second PIM state, sending a second unicast data message to the RP PE router via a default multicast distribution tree (MDT) using the second PIM state, receiving a PIM register-stop message from the RP PE router, wherein the PIM register-stop message suspends sending the second unicast data message.

Description

[0001] Cross References to Related Applications [0002] The present invention requires the filing of U.S. Provisional Patent Application No. 61 / 666603 filed on June 29, 2012 by Han Lin et al. The content of the earlier application is incorporated herein by reference in its entirety. [0003] About Federal Sponsored [0004] Statement of Research or Development [0005] Not applicable. [0006] References to Microfiche Attachments [0007] Not applicable. Background technique [0008] Multicast Virtual Private Network (mVPN) allows service providers to configure and support multicast traffic in a Multiprotocol Label Switching (MPLS) Virtual Private Network (VPN) environment. For example, an mVPN can support the routing and forwarding of multicast packets for VPN Router Forwarding (VRF) instances and provide mechanisms for transporting VPN multicast packets across the service provider backbone. mVPN may be useful for things like video conferencing or client specific broad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/18
CPCH04L12/185H04L47/10
Inventor 韩琳黎仁蔚凯瑟琳·赵
Owner HUAWEI TECH CO LTD
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