17-04-2009, 06:30 PM
Composition Of Frame Relay Network
a) Access Link
b) Port Connection
c) Virtual Circuits
a) PVC “ Permanent Virtual Circuits
b) SVC “ Switching Virtual Circuits
d) CIR “ Committed Information Rate
Frame Relay Format
a) Defines Structure & Organization of Information
b) Flags
c) Header Fields
d) Supports Variable Length Packet Sizes
Frame Relay Features
a) Automatic Re-routing
b) Bursting
c) Statistical Bandwidth Allocation
d) Oversubscription
