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Multihomed Communication with SCTP (Stream Control Transmission Protocol)
book

Multihomed Communication with SCTP (Stream Control Transmission Protocol)

by Victor C.M. Leung, Eduardo Parente Ribeiro, Alan Wagner, Janardhan Iyengar
December 2012
Intermediate to advanced content levelIntermediate to advanced
241 pages
7h 14m
English
CRC Press
Content preview from Multihomed Communication with SCTP (Stream Control Transmission Protocol)
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62
Fault Tolerance
cwnd exceeds ssthresh. Using the slow start cwnd growth model from Cardwell et
al. (2000), the last alternate path cwnd before exiting slow start is
cwnd = ssthresh = init_cwnd ·
1 +
1
b
r
ss
1
(2.2)
where init_cwnd is the initial cwnd, b is the number of TPDUs per ack the receiver’s
delayed ack algorithm uses, and r
ss
is the number of alternate path round trips spent
in slow start. Since init_cwnd = 1, b = 2, and r
ss
r, we can solve for r
ss
to arrive at
r
ss
= max
r, 1 + log
3
2
(ssthresh)
(2.3)
Using a component of the slow start data transfer model from Cardwell et al. (2000),
the number of TPDUs sent duri ...
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Publisher Resources

ISBN: 9781466566996