Both PPP and HDLC are encapsulation protocols on serial interfaces.But PPP
is better than HDLC in 2 main points:
1- PPP supports multiple network layer encapsulation (IP,IPX,AppleTalk,...)
while standard HDLC supports only IP encapsulation.[Cisco HDLC supports
multiple network layer encapsulation].
2- PPP suports both PAP and CHAP authentication protocols which provides a
secure point-to-point session while HDLC doesn't support that.
"friend" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Dear all
> pls show me difference ppp and hdlc
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