I can explain the first three protocols namely hdlc, sdlc, lapb
First of all they are all WAN protocols, which is layer 2 protocol for
communicating across a WAN link, which protocol to use depends on two
factors the WAN technology that you use and the communicating equipment
HDLC stands for High-level Data link Control which is the default
encapsulation type on point-to-point , dedicated links. It is used typically
when communicating bet two CISCO devices. It is a bit oriented synchronous
data link layer protocol.HDLC specifies a data encapsulation method on
synchronous serial links using frame characters and checksums. If
communicating with a non-Cisco device , synchronous PPP is a more viable
option
SDLC stands for Serial Data Link Control use mainly for SNA networks
and lapb Link Access Procedure, Balanced is for X.25 links
Jason
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
perez claude-vincent
Sent: Wednesday, September 06, 2000 1:46 PM
To: [EMAIL PROTECTED]
Subject: HDLC, SDLC...
Dear all,
I am a little bit confused about the difference of
framing between hdlc, sdlc, lapb, lapd, llc2.
Can someone help me?
Thank you, cvp.
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