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Title : Transport-layer Considerations for Explicit Cross-layer Indications
Author(s) : P. Sarolahti, et al.
Filename : draft-sarolahti-tsvwg-crosslayer-01.txt
Pages : 29
Date : 2007-3-8
Several types of explicit cross-layer communication schemes have
been proposed to enhance the transport protocol performance.
However, various challenges with such schemes have been identified,
for example concerning the interactions with the middleboxes and
tunnels in the network. This document discusses different types of
explicit cross-layer notification mechanisms that have been proposed
to enhance end-to-end transport performance. We analyze the
different mechanisms using a taxonomy based on what kind of network
interactions they require, and discuss the benefits and
disadvantages different approaches have. The objective is to get a
common understanding of the possibilities and challenges with these
mechanisms, with pointers to past discussions on this topic, and to
describe the possible next steps towards removing barriers from
explicit cross-layer communication in future protocols.
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