A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : DHCPv4 Extensions and Option for Fast Handovers
Author(s) : T. Ogawa
Filename : draft-ogawa-mobopts-dhcpv4-fho-00.txt
Pages :
Date : 2005-7-12
When a standard IPv4 node (mobile node: MN) changes its wireless
network attachment point (performs a handover), it gets new IP layer
configuration information (e.g., its new IP address and the addresses
of new routers) from a DHCP server and changes its IP layer
configuration. During such a handover process, it cannot send or
receive IP packets to/from its corresponding node (CN), so a service
disruption is caused. In this document, we introduce new DHCPv4
extensions and an option (Fast Handover Option) for fast handovers.
This protocol is ported from ^DHCPv6 options for Fast Handovers^ [6].
It enables DHCP servers to send new configuration information to MNs
before a handover to be used after the handover, so MNs can have
shorter handover processing times. It is noted that DHCP servers and
MNs implementing this protocol can achieve fast handovers with
standard IPv4 routers without any other micro-mobility management
protocols.
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