Subject: SDL-News: PDU parseing in SDL
livelonger#sohu.com
Date: Sun Feb 29 2004 - 05:21:53 GMT
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-----From <livelonger#sohu.com> to sdlnews -----
Hi ,everyone
I have a problem in establishing a SDL model of a protocol . As we all know ,the PDUs in a protocol maybe in all kind of formats ,discriminated by a protoocol discriminator . The PDUs are enclosed in a primitive ,such as a DATA primitive . If the entity receives the primitive, it determines the format of the PDU by the discriminitor . Then the problem comes : All the signals in SDL have predefined parameter ,namely the PDU format . Then how to express the parsing process ?
Thanks for answering me .
Best regard .
yours steven
2004-02-29
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