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A method for determining bsl, bier-te controller and computer storage medium

A determination method and controller technology, applied in transmission systems, electrical components, etc., can solve the problems of message occupation, unfavorable message forwarding efficiency, and multi-storage space, and achieve the effect of improving accuracy

Active Publication Date: 2022-02-18
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the BIER-TE network, when the SD and SI are determined, the BSL is usually roughly estimated according to the number of nodes; it can be seen from this that the BSL estimated by this method is not accurate enough because only the number of nodes is considered, and it is often too long. Messages take up a lot of storage space, which is not conducive to the controller's technical problems in reducing traffic consumption and improving message forwarding efficiency

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  • A method for determining bsl, bier-te controller and computer storage medium
  • A method for determining bsl, bier-te controller and computer storage medium
  • A method for determining bsl, bier-te controller and computer storage medium

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0031] An embodiment of the present invention provides a BSL determination method, which can be applied to the BIER controller of the BIER-TE system, figure 1 It is a schematic structural diagram of the BIER-TE system in the embodiment of the present invention, such as figure 1 As shown, the BIER-TE system includes: multicast flow overlay based on Border Gateway Protocol (BGP, Board Gateway Protocol) / Protocol Independent Multicast (PIM, Protocol Independent Multicast), BIER-TE controller (controller), BIER-TE forwarding layer (forwarding layer).

[0032] Among them, the BGP / PIM multicast flow overlay is connected to the BIER-TE controller through the Restful application programming interface (API, Application Programming Interface) to configure and query the multicast flow; ...

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Abstract

The embodiment of the present invention discloses a method for determining BSL, including: obtaining the number of nodes and links based on the BIER-TE network; estimating the number of BPs according to the number of nodes and links to obtain an estimated value; Let the smallest value among the values ​​greater than or equal to the estimated value be determined as the value of BSL. The embodiment of the invention also discloses a BIER-TE controller and a computer storage medium.

Description

technical field [0001] The present invention relates to a technology for determining bit string lengths (BSL, BitStringLengths) in bit index explicit replication (BIER-TE, Bit Index Explicit Traffic Engineering) based on traffic engineering in a multicast scenario, in particular to a method for determining BSL, BIER-TE TE controllers and computer storage media. Background technique [0002] BIER-TE is a BIER forwarding architecture based on traffic engineering. On the basis of BIER, the BIER-TE controller layer is introduced, and the forwarding table is delivered through the controller. At the same time, the path algorithm is used to calculate the optimal path. Forwarding packets, in this way, overcomes the disadvantage that the BIER packet forwarding path is not optimal and it is difficult to adapt to path updates caused by topology changes, and at the same time can control network traffic more flexibly. [0003] When multicast traffic is transmitted in the BIER-TE network...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L69/22H04L47/10H04L45/02
Inventor 喻敬海高陈强
Owner ZTE CORP