diff between frame relay and isdn connection

Answer Posted / sarath sasidharan

Frame relay is the high performance wan protocol that
operate at physical and data link layer of the osi
reference model.frame relay was desioned orginally across
isdn network interface.frame relay used to tranfer packets
a very high speed
isnd stand for integrated service
digital network.it support digital transfer of both voice
and data simoultanously ,it work on normal telephone
instrumnt and transfer rate of 128 kbps,very cost
effective ,very high speed

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