Hello,
The linked document [1] provides data around the deployment of middleboxes
in enterprise networks. Its does not provide a complete picture of the
internet at large but for a population of tcp users both inside the
enterprise and originating inside the enterprise and terminating outside
it may provide some quantitate data to use in the "middle box traversal
support" discussion.
Kevin
[1] A Survey of Enterprise Middlebox Deployments
Justine Sherry and Sylvia Ratnasamy
EECS Department
University of California, Berkeley
http://www.eecs.berkeley.edu/Pubs/TechRpts/2012/EECS-2012-24.html
The Multipath TCP working has already shown that it is possible to
extend TCP while traversing various types of middleboxes. This is not
simple, but it can be done and given the number of deployed middleboxes,
I think that middleboxes must be supported in some sense by tcpinc.
Additional information may be found in :
Shows how middleboxes modify packets
M. Honda et al, Is it still possible to extend TCP ?, IMC2011,
http://conferences.sigcomm.org/imc/2011/docs/p181.pdf
Verifies how the Multipath TCP implementation in the Linux kernel copes
with the various types of packet modifying middleboxes
B. Hesmans et al, Are TCP Extensions Middlebox-proof?. CoNEXT workshop
HotMiddlebox, December 2013. ACM.
http://inl.info.ucl.ac.be/publications/are-tcp-extensions-middlebox-proof
Olivier
--
INL, ICTEAM, UCLouvain, Belgium, http://inl.info.ucl.ac.be
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