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Cross-space Builder (SPB)-network access implementing method and cross-SPB-network access implementing equipment

A network access and network equipment technology, applied in the field of communication, can solve the problems of limited cross-domain user access, large configuration and resource consumption, etc.

Active Publication Date: 2013-07-10
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] There are restrictions on cross-domain user access. For example, an interface may need to be configured for each user on the border BEB, which consumes a lot of configuration and resources.

Method used

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  • Cross-space Builder (SPB)-network access implementing method and cross-SPB-network access implementing equipment
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  • Cross-space Builder (SPB)-network access implementing method and cross-SPB-network access implementing equipment

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Embodiment Construction

[0030] The embodiment of the present invention provides a solution for cross-SPB network access. In this solution, the border BEBs of each SPB network automatically identify which service instances need cross-SPB network access, and pass the information of these service instances that need cross-SPB network access to The opposite border BEB and the BEB in the SPB network where the device is located, the BEB in the SPB network where the device is located establishes a logical forwarding tunnel (that is, the forwarding path) to the border BEB; the border BEB needs to cross the SPB network in the local SPB network The accessed service instance is matched with the service instance sent by the peer border BEB that needs to be accessed across the SPB network. For the matched service instance, the border BEB establishes a logical forwarding tunnel (also called a transmission tunnel) between the peer border BEB and the peer border BEB. forwarding path). Data access across SPB networks...

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Abstract

The invention discloses a cross-space Builder (SPB)-network access implementing method and cross-SPB-network access implementing equipment. The method comprises the following steps: after binary exponential backoff (BEB) confirms a user service instance which is in an SPB network where the equipment is located and needs accessing cross the SPB network so as to map the user service instance to a transmission service instance and tell an opposite-end boundary BEB the transmission service instance to trigger the boundary BEB to calculate a forward path from the equipment to the boundary BEB aiming at the transmission service instance; the boundary BEB calculates a forwarding path from the equipment to other BEBs in the SPB network aiming at the user service instance needing accessing cross the SPB network, and tells the other BEBs in the SPB network where the equipment is located the user service instance needing accessing cross the SPB network so as to trigger the other BEBs to calculate a forwarding path from the equipment to the boundary BEB aiming at the user service instance. The cross-SPB-network access implementing method and the cross-SPB-network access implementing equipment can reduce configuration expenses and resource expenses of the boundary BEB aiming at implementing of cross-SPB-network access.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and device for realizing cross-SPB network access. Background technique [0002] SPB (Shortest Path Bridge, the shortest path bridge) is one of the Ethernet standards defined by IEEE802.1aq. It is a further extension of STP (Shortest Path Tree, Spanning Tree Protocol). ISIS (Intermediate System-to-Intermediate System, intermediate system to intermediate system)-SPB to share the link status in the network, each node in the network calculates the shortest path between each node in parallel, avoiding the instability caused by the use of the STP protocol and the inefficiency of partial link utilization. At the same time, SPB is easy to configure and manage, and the cost is low, which can be aimed at the application of Ethernet in the data center. [0003] 802.1aq defines two SPB modes: Q-in-Q mode (SPBV) and MAC-in-MAC mode (SPBM), among which, SPBM is currently the main recommen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/715
Inventor 赵昌峰吴玲
Owner XINHUASAN INFORMATION TECH CO LTD
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