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Apparatus and method for butt-jointing synchronous digital sequence/synchronous optical fibre network and high-level exchange platform

A platform docking and network technology, applied in the field of network communication, can solve the problem that SDH/SONET implementation does not provide technical solutions, and achieve the effect of increasing achievability, reducing complexity and difficulty, and reducing the need for cache space.

Inactive Publication Date: 2008-09-24
GLOBAL INNOVATION AGGREGATORS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, AS technology is a brand-new technology. Although the number of PIs allowed for each type of service is defined in the AS CORE for the SDH / SONET service, the specific implementation of PI corresponding to SDH / SONET There is no corresponding technical solution

Method used

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  • Apparatus and method for butt-jointing synchronous digital sequence/synchronous optical fibre network and high-level exchange platform
  • Apparatus and method for butt-jointing synchronous digital sequence/synchronous optical fibre network and high-level exchange platform
  • Apparatus and method for butt-jointing synchronous digital sequence/synchronous optical fibre network and high-level exchange platform

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Embodiment Construction

[0048] The core of the present invention is to provide a PI device for docking between the SDH / SONET network and the AS platform system, so that SDH / SONET services can smoothly enter a developing advanced switching platform system (i.e. the AS platform system) for processing ,

[0049] PI device of the present invention such as figure 2 , specifically including the PI processing device of the uplink part, the PI processing device of the uplink part is used to process the SDH / SONET service and send it to the AS platform system for switching processing, and the PI processing device of the downlink part is used to process the SDH / SONET service After the AS platform system switching process, the AS packet mapping process is framed and then sent to the SDH / SONET network for transmission.

[0050] Such as figure 2 As shown, the uplink part of the device of the present invention further includes:

[0051]The first interface processing module: it is the uplink line-side interface...

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Abstract

A method for butting SDH / SONET network with AS platform includes deframing and packaging SDH / SONET service to be packet format required by AS platform and entering them into AS platform for carrying out exchange process , simultaneously sending AS packet processed by AS platform to SDH / SONET network for transmitting after AS packet is depackaged and framed . In the present invention , data crossing function is added in PI to have one level of packet time - division - crossed in PI for decreasing requirement of buffer storage space on AS platform .

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a protocol interface device and method for connecting an SDH / SONET network and an AS platform. Background technique [0002] AS (Advanced Switching Advanced Switching) is an advanced switching structure. The biggest difference between it and the traditional switching method is that it uses PCI-Express (PCl-E bus structure) as a platform, so that all kinds of services can pass through different PI (Protocol lnterface, protocol interface) After the processing of the interface protocol, it is unified in the AS structure to complete the exchange of all business types, such as Ethernet, ATM (Asynchronous Transfer Mode), SDH / SONET (Synchronous Digital Serial / Synchronous Optical Network), IP, etc. Business processing is more suitable for multi-service platform business processing. Such as figure 1 As shown, GE (Gigabit Ethernet) and FE (Fast Ethernet) of SDH / SONET, ATM a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/66H04L29/10H04L29/06
CPCH04L49/602H04L49/102H04L49/357Y10S370/907
Inventor 杭小燕
Owner GLOBAL INNOVATION AGGREGATORS LLC