TCP UTO - Weekly Report 2
catalin.nicutar at gmail.com
Tue Jun 7 09:34:49 UTC 2011
This is the second report for TCP UTO.
* Short TCP UTO description
UTO stands for User Timeout Option (it is described in RFC5482). TCP UTO
specifies a peer should be allowed to advertise its chosen `User Timeout'
for a connection.
The wiki page for this project: http://wiki.freebsd.org/CatalinNicutar/TCPUTO
* Work completed this week
I have added the following sysctls:
net.inet.tcp.uto.enable (global enable)
net.inet.tcp.uto.adv_timeout (default advertised timeout)
I have added the following socket options (IPPROTO_TCP):
TCP_SNDUTO (local enable + specify advertised timeout)
TCP_RCVUTO (enable accepting UTO suggestion)
Obviously things may change (I may have to add / remove options, change
semantics, names etc) but this is what I feel is needed for now.
* My goals for this week:
* Send the TCP UTO option (correct packing with respect to other
* Test the TCP option with tcpdump / other sniffers
This is all for report 2. If you have questions, suggestions or advices
drop me an email to cnicutar at FreeBSD.org.
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