X.25 Negotiation


lzaz!jmc@seismo.CSS.GOV
Mon, 25 Aug 86 10:45:51 EDT


There is some disagreement, at our particular site, over what OSI
layer is responsible for packet size negotiation. It is of particular
interest to us especially since this can affect performance as far
as the PAD is concerned and increasing overhead by increasing the size
and complexity of the transport PAD protocol layer. The CCITT X.25 standard
1984 seems to indicate that it is the Network layers responsibility
since it is the most actively aware of the link packet size, link speed and
does the packet assembly and disassembly. Any thoughts or reference articles
would be useful Thanks.

Jan M. Clairmont



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