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IP Communications and Services for NGN
book

IP Communications and Services for NGN

by Johnson I Agbinya
December 2009
Intermediate to advanced content levelIntermediate to advanced
411 pages
12h 24m
English
Auerbach Publications
Content preview from IP Communications and Services for NGN
SIP Quality-of-Service Performance 223
6. t
arp
: e time required for the ARP (Address Resolution Protocol).
7. t
no
: e time to send a message between the new foreign agent (NFA) and the
old foreign agent (OFA).
Figure 11.9 assumes that a simple VoIP application unaware of mobility is
involved in the QoS parameter measurements and the MN caches the address of
the callee’s CN. Furthermore, it assumes that there was no a priori Internet con-
nection. Hence, the mobile node must initiate the connection when it requires a
VoIP application. erefore the initial delay is the sum of the time required for
Internet connection and VoIP sign ...
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Publisher Resources

ISBN: 9781420070910