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Two-layer adapting protocol two-stage traffic load sharing method

A technology of load sharing and protocol, applied in the direction of data exchange through path configuration, digital transmission system, electrical components, etc., can solve problems such as no description and no solution

Inactive Publication Date: 2008-03-05
ZTE CORP
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  • Application Information

AI Technical Summary

Problems solved by technology

On the MGC and SG, the adaptation layer will map the services of the same IID to one AS, but since one AS can serve multiple IIDs, and one AS can correspond to multiple couplings, how to realize the services of multiple IIDs The mapping relationship between messages and multiple couplings / flows, and effective load sharing at the same time, does not describe any mechanism in the protocol. At present, there is no better solution in the prior art

Method used

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  • Two-layer adapting protocol two-stage traffic load sharing method
  • Two-layer adapting protocol two-stage traffic load sharing method

Examples

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Embodiment Construction

[0025] Please refer to FIG. 2 , which is a flow chart of the V5UA secondary load sharing method of the present invention.

[0026] In V5UA, the physical interface identified by the IID is the V5 link (2M Link in the V5 interface) or the C channel (1 time slot on the V5 link, which can only be 15, 16, and 31 time slots), that is, The mapping of IID and SCTP coupling / flow can be understood as the mapping of V5 link, C channel and SCTP coupling / flow.

[0027] Similarly, in IUA, the physical interface identified by the IID is the D channel (the logical channel used to control the circuit-switched call on the user interface in ISDN), that is, the mapping between the D channel and the SCTP coupling / flow; in M2UA, the IID identifies the The identified physical interface is link 7, that is, the mapping between link 7 and SCTP association / flow.

[0028] Take the V5 link physical interface mapping of V5UA as an example to model: set the V5 link and AS / ASP on the MGC. For example: conf...

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Abstract

Being suitable to NGN system, the method includes steps: (1) achieving intercommunication between switching domain and IP domain, and carry out related configuration; (2) based on configuration to generate physical interface table (PIT) of each AS service, enabled ASP table, and PIT of each enabled ASP service; (3) based on index in PIT of AS service, number of enabled ASP of AS, and physical interface number of AS service carry out load sharing in first level for multiple IID services of each AS service among different enabled ASP under corresponding AS; (4) based on index in PIT of enabled ASP service, and physical interface number of enabled ASP service to carry out load sharing in second level for multiple services with shared load on same enabled ASP among different streams of corresponding enabled ASP. The invention can implement mapping between multiple IID and multiple SCTP couples / streams in order to realize effective load sharing.

Description

technical field [0001] The present invention relates to the technical field of NGN (Next Generation Network, next generation network), in particular to a method for two-level service load sharing of a layer-2 adaptation protocol. Background technique [0002] At present, the softswitch technology is the industry-recognized network evolution direction. This system enables users connected by various terminals to enjoy unified services, which conforms to the trend of network evolution and user demand development. The signaling gateway SG (Signaling Gateway) acts as a signaling agent for receiving and sending signaling messages at the edge of the traditional signaling network and the IP (Internet Protocol, Internet Protocol) network; its essence is to realize the connection between the traditional signaling network and the softswitch The intercommunication of signaling between them realizes the conversion function of signaling bearer layer circuit switching and IP packet, and co...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/46H04L12/66H04L12/24H04Q3/00
Inventor 刘佳范东明
Owner ZTE CORP
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