Enhanced Forwarding From Previous Care-of Address For Fast Mobile IPv6 Handovers (eFWD)
DoCoMo USA Labs
DoCoMo USA Labs
This memo introduces a low latency and low loss handover protocol that enhances the performance of forwarding from previous care-of address for Mobile IPv6, namely eFWD. The eFWD allows a mobile node to control and initiate creation of a bi-directional tunnel between the old and the new access routers subsequent to link layer handover. The eFWD handover reduces IP handover latency by eliminating new care-of address acquisition time and by identifying new access router information in advance utilizing Candidate Access Router Information Discovery (CARID) process detailed in this memo. The eFWD protocol removes extra burden on link layer by eliminating any requirement on pre-triggers.