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Method for implementing multiple protocol processing in communication central processor

A technology of central processing unit and communication protocol, applied in electrical components, transmission systems, etc., can solve problems such as shortage of memory resources and inability to link configuration, and achieve the effect of increasing protocol capacity, improving utilization efficiency, and realizing resources.

Inactive Publication Date: 2007-01-03
HUAWEI TECH CO LTD
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Problems solved by technology

[0007] The current two types of technologies cannot realize the processing of multiple protocols at the same time, nor can they arbitrarily configure the different attributes of the high-speed data link control procedure (HDLC) link, and in the 124 When used in a system with multiple HDLC links, the internal memory resources of the CPU will become very tight

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  • Method for implementing multiple protocol processing in communication central processor
  • Method for implementing multiple protocol processing in communication central processor
  • Method for implementing multiple protocol processing in communication central processor

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Embodiment Construction

[0032] The technical scheme of the invention can support up to 130 HDLC links, and can meet the 124 HDLC links required by the system, including 16 SS7, 8 PRI and multiple ISDN B channels.

[0033] The CPU that uses in the present embodiment has the dual-port random access memory (DPRAM) that capacity is 16K, can place various parameter tables in this DPRAM, comprises the channel parameter table (Channel-Specific HDLC Parameters) of HDLC link, HDLC link The channel extra parameter table (Channel ExtraParameters) and various parameter tables of ATM, etc. The channel parameter table of the HDLC link is used to configure various characteristics of the HDLC link and display the status of the CPU when processing the HDLC link. The channel extra parameter table of the HDLC link is used to configure the buffer address and address of the HDLC link in the memory. The pointer address of the starting buffer. Configurable attributes for HDLC links include: byte order, which direct memory...

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Abstract

The invention discloses a process for realizing a plurality of protocols in a communication CPU at least comprising, A. allocating the idle resource in the HDLC chain circuit channel extra parameter table to the channel parameter table of the HDLC chain circuit, and configuring more than one communication protocols in the HDLC chain circuit channel parameter table, B. arranging a extra query cycle, processing data receiving of all the communication protocols in 10ms query cycle and the data dispatching containing a small number of data packets and requesting no accomplishment of congestion handling, +processing data receiving of all the communication protocols in 10ms query cycle and extra query cycle, and the data dispatching containing massive data packets and requesting accomplishment of congestion handling.

Description

technical field [0001] The invention relates to communication protocol processing technology, in particular to a method for realizing multiple protocol processing on a communication central processing unit (CPU). Background technique [0002] The communication protocol refers to a set of rules that the two parties must abide by in the communication process, such as the Q703 protocol of the No. Point-to-point protocol (PPP) of B channel, etc. The communication processing part of the communication CPU can handle various communication protocols. Since various communication protocols have different requirements for processing speed, capacity and delay, there are also differences in design technology. The current design technology is divided into two categories, one is Simply implement signaling, such as implementing one SS7 or several PRIs, and the other is simply implementing 60 ISDN B channels or two PRIs. [0003] The main difference between the existing two types of techno...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/02
Inventor 李琥梅武钢
Owner HUAWEI TECH CO LTD
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