[e2e] ECN and Frame Relay's FECN

[Kostas Pentikousis]

RFC 3168 says (section 5.1):

" For example, since the ATM and Frame Relay mechanisms for congestion
indication have typically been defined without an associated notion of average
queue size as the basis for determining that an intermediate node is
congested [..]"

Yet Stallings' "ISDN and Broadband ISDN, with Frame Relay and ATM"  (3/e, pp.
394-395) presents a queue length averaging algorithm (found "in an appendix
to ANSI T1.618") which looks similar to the one employed by DECbit.

Any comments/pointers are much appreciated.

Best regards,

Kostas
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Kostas Pentikousis @ CS SUNY Stony Brook @ http://www.cs.sunysb.edu/~kostas