Michael I am a bit confused.If you have SNA still on the network (which most
big Corporates do) would you not be using Token Ring?
Can you run SNA over Ethernet using LLC2? why only LLC2 & not LLC1 or EV2 ??
Below you stated that LLC2 is diminishing because of the reliability of
higher protocols such as TCP, however as I understand SNA does not use TCP
and therefor you will always need LLC2 if you are running SNA.?????????? Can
you please clarify or point me in the direction of a good book.
As I understand Netbios & SNA can be encapsulated in TCP ,& therefor use its
connection orientated services & run over ev2 or 802.3SNAP. If you were
implementing SNA & NETBIOS straight onto the wire would you then have to use
LLC2 ( DO THESE PROTOCOLS HAVE TO RUN ON A CONNECTION ORIETATED TRANSPORT)
rgds. Chris.B
Chris Burnham,
Systems Engineer,
Delphis Consulting Plc.
Tel: +(44) 020 7916 0200
Mob: +(44) 07799403576
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