a PVC is connection oriented - by definition - otherwise the virtual circuit
won't stay up.

data flow, OTOH, is connectionless - packet delivery is "best effort"

Clear as mud?

Chuck

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Caio Misticone
Sent: Wednesday, December 19, 2001 9:51 PM
To: [EMAIL PROTECTED]
Subject: Frame-relay [7:29747]


Hello Group!
I'm still studying to get my CCNA certification, and i have some doubts
related to frame-relay protocol.
Is it connection-oriented or connectionless?
I know it's is a stupid question, however, i found two answers on the net.

"CONNECTIONLESS, Packet-Based Protocol"
http://www.gdc.com/corporate_news/connects04/techfocus/framebasics.html

and

"Frame Relay provides CONNECTION-ORIENTED data link layer communication"
http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/frame.htm

So... what is the right one?

Thanks,

Caio Misticone




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