Basic HTML version of Foils prepared Dec. 6 98

Foil 48 Frame Relay (1)

From Introduction to Network WANs Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
1 Developed to address the slowness of X.25 network. FR specification removes flow control and error checking from the intermediate nodes.
2 FR evolved from X.25 and ISDN. It operates on the first and second layer of OSI Reference Model. The standard proposed in 1984.
3 Characteristics:
  • line speed: 56Kbps - 1.544 Mbps ---> 36 Mbps ---ᡥ Mbps
  • packet (variable size) oriented, switched communication method,
  • connection-oriented technology based on the leased point-to-point circuits (PVC - Permanent Virtual Channel)
  • not intended for time-sensitive applications due to its variable-length frames
in Table To:

© Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

If you have any comments about this server, send e-mail to webmaster@npac.syr.edu.

Page produced by wwwfoil on Sun Dec 6 1998