TeleMIP: telecommunications-enhanced mobile IP architecture forfast intradomain mobility
Das, S.; Misra, A.; Agrawal, P.
Personal Communications, IEEE [see also IEEE Wireless Communications]
Volume 7, Issue 4, Aug 2000 Page(s):50 - 58
Digital Object Identifier 10.1109/98.863996
Summary:This article first surveys existing protocols for supporting IP
mobility and then proposes an extension to the mobile IP architecture,
called TeleMIP. Our architecture attempts to achieve smaller handoff
latency by localizing the scope of most location update messages within
an administrative domain or a geographical region. TeleMIP is intended
for use in evolving third-generation wireless networks, and introduces a
new logical entity, called the mobility agent, which provides a mobile
node with a stable point of attachment in a foreign network. While the
MA is functionally similar to conventional foreign agents, it is located
at a higher level in the network hierarchy than the subnet-specific FAs.
Location updates for intradomain mobility are localized only up to the
MA; transmission of global location updates are necessary only when the
mobile changes administrative domains and/or geographical regions. By
permitting the use of private or locally scoped addresses for handling
intradomain mobility, TeleMIP allows efficient use of public address
space. Also, by reducing the frequency of global update messages, our
architecture overcomes several drawbacks of existing protocols, such as
large latencies in location updates, higher likelihood of loss of
binding update messages, and loss of inflight packets, and thus provides
better mobility support for real-time services and applications. The
dynamic creation of mobility agents (in TeleMLP) permits the use of load
balancing schemes for the efficient management of network
resources
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