A method for customizing multicast path

A multicast and path technology, applied in the field of data communication technology, can solve the problems of not realizing multicast path optimization, etc., and achieve the effect of realizing network load balancing, privacy protection, and improving use efficiency

Active Publication Date: 2022-01-25
SHENZHEN FORWARD IND CO LTD
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  • Abstract
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Problems solved by technology

[0004] Aiming at the above-mentioned deficiencies in the prior art, a method for customizing a multicast path provided by the present invention solves the problem that the RPF information in the prior art actually utilizes ordinary unicast routing information. For the same multicast source or RP, The multicast path of different multicast traffic is the same, and there is no problem of optimizing the multicast path

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  • A method for customizing multicast path
  • A method for customizing multicast path
  • A method for customizing multicast path

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Embodiment Construction

[0030] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0031] Such as figure 1 As shown, a method for customizing a multicast path includes the following steps:

[0032] S1. Establishing an initial primary routing table entry and an initial secondary routing table entry in the multicast reverse path information table according to the unicast routing information;

[0033] Step S1 includes the following sub-steps:

[0034] S11. Obtain unicast routing information from common uni...

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Abstract

The invention discloses a method for customizing a multicast path, comprising the following steps: S1, establishing an initial first-level routing table item and an initial second-level routing table item; S2, establishing an initial first-level routing table item and an initial second-level routing table item Carry out customization, improve the mask in the table item, and obtain the customized multicast reverse path information table; S3, search for the customized first-level routing table item, and match to obtain the corresponding unicast address; S4, search for the customized second-level routing table item, and match Obtain the corresponding multicast group address; S5. According to the multicast group address, determine the reverse routing RPF neighbor and RPF interface of the multicast traffic, and realize the customization of the multicast forwarding path based on the multicast sender and the multicast service; the present invention solves the problem of The RPF information in the prior art actually uses common unicast routing information. For the same multicast source or RP, the multicast paths of different multicast traffic are the same, and there is no problem of optimizing the multicast path.

Description

technical field [0001] The invention relates to the application field of data communication technology, in particular to a method for customizing a multicast path. Background technique [0002] In existing multicast routing protocols, multicast path calculation needs to rely on unicast routing information, and a multicast reverse path information table (also called an MRIB table) is established based on this. The multicast reverse path information table is not entirely an ordinary unicast routing table, but a combination of MBGP routing, multicast static routing, and ordinary unicast routing, and is managed based on a certain strategy. Unicast routing information. This mechanism simplifies the calculation process of the multicast forwarding path and improves the efficiency of multicast forwarding path calculation, but it also limits the flexibility of the multicast path. When it is too large, multiple multicast traffic, multicast traffic and unicast traffic will overlap, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L45/16H04L45/302
CPCH04L45/16H04L45/302
Inventor 秦骏赵荣方李振华
Owner SHENZHEN FORWARD IND CO LTD
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