Method and device for calculating path loss in transparent interconnection of lots of links (TRILL) network

A path loss and calculation method technology, applied in the field of communication, can solve the problem that the forwarding path is not optimal, and achieve the effect of optimizing the message forwarding path

Active Publication Date: 2013-01-23
XINHUASAN INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0008] Through networking experiments, it is found that the forwarding path calculated by the existing technology is sometimes not the best

Method used

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  • Method and device for calculating path loss in transparent interconnection of lots of links (TRILL) network
  • Method and device for calculating path loss in transparent interconnection of lots of links (TRILL) network
  • Method and device for calculating path loss in transparent interconnection of lots of links (TRILL) network

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below with reference to the accompanying drawings and examples.

[0026] see image 3 , image 3 It is a schematic flow chart of a path loss calculation method in a TRILL network according to an embodiment of the present invention, comprising the following steps:

[0027] Step 301, the current RB sends a Hello message carrying its own path loss parameter to other RBs on the same link.

[0028] In a TRILL network, Hello packets are mainly used for information exchange between RBs on the same link. In this embodiment, when the current RB sends a Hello message to other RBs on the same link, the Hello message may carry a path loss parameter, and the path loss parameter may include: a load and a static path loss. Here, the static path loss refers to the path loss between the directly connected peer RB ...

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Abstract

The invention provides a method and a device for calculating path loss in a transparent interconnection of lots of links (TRILL) network. The method comprises the following steps of: transmitting a message Hello carrying an own path loss parameter to other routing bridges (RBs) on the same link; receiving the message Hello carrying the path loss parameters of the other RBs transmitted by the other RBs; and calculating the path loss between the current RB and the other RBs according to an own static path loss and the path loss parameters of the other RBs. By the method, a message forwarding path can be optimized.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for calculating path loss in a Transparent Interconnection of Lots of Links (TRILL) network. Background technique [0002] TRILL is a link layer (L2) networking standard recommended by the Internet Engineering Task Force (IETF) to address the shortcomings of the Spanning Tree (STP) protocol in large data centers. [0003] In a TRILL network, a device running the TRILL protocol is called a routing bridge (RB, Routing Bridge) device, and the directly connected RB devices on the same link use Hello packets to exchange information. After establishing a bidirectional connection between RBs on the same link, the local RB calculates the path loss with the peer RB according to the local port rate, and sends the calculated path loss in a link state packet (LSP) go out. LSP packets are transmitted throughout the TRILL network. After any RB receives the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L12/751H04L12/725H04L45/02
Inventor 邹文宇
Owner XINHUASAN INFORMATION TECH CO LTD
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