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Title : Semi-Proactive QoS Re-establishment
Author(s) : F. Tommasi, et al.
Filename : draft-tommasi-nsis-semipro-01.txt
Pages : 14
Date : 2006-8-21
Re-establishment of the QoS after a Mobile Node handover must be done
as quickly as possible in order to reduce degradation or interruption
of the QoS and it is especially useful when realtime applications are
used.
We propose a Semi-Proactive procedure for a fast QoS re-establishment
in environments where there are Mobile Nodes. The basic idea of this
procedure is to perform as many operation as possible before the
handover (in a proactive way). Resources are reserved only after
the handover on the effective new data path, in order to avoid their
waste.
Moreover, we propose to buffer at the Candidate CRossover Node -
CCRN (an intermediate node on end-to-end data path) the packets
directed to the Mobile Node during the handover. In this way the
total QoS re-establishment time is reduced. This buffering also
guarantees, for the buffered packets, the same QoS treatment of the
other packets (the no-buffered ones).
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