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bier MPLS network equipment, message forwarding method and medium thereof

A message forwarding and network equipment technology, applied in the network field, can solve the problems of complex process and low forwarding efficiency, achieve the effect of reducing the number of table lookups, simplifying the bit index forwarding table, and improving the efficiency of message forwarding

Active Publication Date: 2022-04-19
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Therefore, in the BIER MPLS network, the process of forwarding BIER packets by an interface is complicated, resulting in low forwarding efficiency

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  • bier MPLS network equipment, message forwarding method and medium thereof

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Embodiment Construction

[0046] In view of the defects in the background technology, the reason is that in the existing BIER MPLS network, there are too many types of tables involved in message forwarding, resulting in too many table lookup operations, resulting in low forwarding efficiency. In order to solve the problems of the prior art, the present invention provides a BIER MPLS network device, its message forwarding method and medium, and the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0047] Such as figure 1 As shown, a kind of message forwarding method of BIER MPLS network equipment in the embodiment of the present invention comprises:

[0048] According to the determined incoming label Incoming Label and each bit position Bit Position, search for a preset new bit in...

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Abstract

The invention discloses a BIER MPLS network device, a message forwarding method and a medium thereof, and is used for improving the message forwarding efficiency in the BIER MPLS network. The method includes: searching a preset new bit index forwarding table according to the determined incoming tag and each bit position, and determining the entry content corresponding to the incoming tag and any bit position, and the entry content includes forwarding Bit mask, forwarding neighbor routers and outgoing labels in bits; forwarding the BIER message according to the content of the table entry.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a BIER MPLS network device, a message forwarding method and a medium thereof. Background technique [0002] BIER (Bit Index Explicit Replication, Bit Index Explicit Replication) is a new multicast data packet forwarding method. Compared with the traditional multicast forwarding method, BIER does not need to build a multicast distribution tree, and the intermediate device does not need to maintain the group streaming status. In BIER MPLS (Multi-Protocol Label Switching, Multi-Protocol Label Switching) network, BFR (Bit Forwarding Router, bit forwarding router) establishes a pair of local labels (called BIER labels) and <sub-domain, BSL, SI> A mapping relationship. The BFR notifies the above-mentioned BIER label mapping relationship in the domain through an IGP (Interior Gateway Protocol, Interior Gateway Protocol) protocol, and simultaneously stores the BIER label mapping...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L45/50
CPCH04L45/50H04L45/54
Inventor 张秀霞
Owner ZTE CORP