T1 is a type of connection to an ISP, ex. 56k, ISDN, T1, T3
Frame-Relay is an encapsulation connected to a telco provided frame-relay cloud
frame is run over T1
T1 is a permanant connection to an ISP
frame can either be pvc (permanat virtual connection) or svc (switched virtual connection)
a T1 can be used to handle Frame, ATM, or any other encapsulation (HDLC)
the main difference is that a T1 line is a connection type
Frame-Relay is an encapsulation
hope this helps and as always, ppl please correct me if i have made any mistakes,
Aaron
-----Original Message-----
From: John Zaggat
To: CiscoGroupstudy
Sent: 5/22/00 11:51 AM
Subject: Difference Between T1 & Frame relay
Can some one clearly explain the difference between T1
and Frame relay, Does T1 run over Frame relay circuits
? Aren't they both Layer 1 in the OSI model.
I have searched the archives and found some good info
but I am still a little fuzzy about the concepts.
Thanks Guys.
=====
JZ
[EMAIL PROTECTED]
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