Wide Area Networks Facilities
Brian Bramer,
School of Computing and Mathematical Sciences,
De Montfort University, Leicester
(acknowledgements to Ian Vlaeminke for the originals of these notes)
6 November 1993
Contents
Common Carriers and Value Added Networks
Analog Circuits - the A-stream Services
Digital Circuits - the X-stream Services
The Public Data Service - PSS or Switchstream
Viewdata Systems
ISDN (Integrated Services Data Network)
Simple example
Summary