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Choosing layer 2 encapsulation protocols

P

polm

Diamond Member
I'm not sure how to explain why a particular layer 1 setup would allow for, or require, a particular lyaer 2 encapsulation.

When it comes to Cicuit Switched vs. Packet Switched vs. Leased Line.

Particularly in ISDN, which is Circuit Switched, can I use HDLC or cHDLC ?
 
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