Dear Experts,
thank you very much for all the replies that I received.
The SUMMARY (fyi) seems to be, that
- "TCP Spoofing" as described in RFC 3135 does what I want
- A paper on its performance suggests that while the transmission on
the wired part is heavily increased, the performance experienced by
the mobile user (behind the long delay link) is not
http://roland.grc.nasa.gov/~jishac/papers/2001/TCP_Spoofing.pdf
- SCPS-TP ( http://www.scps.org ) was suggested as a sulution, but
I didn't go into the spec yet to figure out if it is sufficient to
have that software on the gateway only (without modifying
sender/receiver).
The FOLLOW-UP question is:
Is there experience with tcp spoofing, increasing the throughput
from the sender over the wired network towards the gateway, and
removing slow-start (and possibly modifying congestion avoidance)
(by the gateway)
towards the mobile terminal behind the (long delay and fully controlled)
wireless link ?
tcp sender -- (network) -- gateway -- (wireless link) -- mobile receiver
(no modifications on sender/receiver, low bandwidth and long dely on the
wireless link, many small tcp connections as typically in http /
www-traffic)
karl
-- Prof. Dr. Karl Jonas EMail: [email protected]University of Applied Science FhG FOKUS CC SATCom Grantham-Allee 20 Schloss Birlinghoven 53757 Sankt Augustin D-53754 Sankt Augustin
Tel: +49 (0)2241 865244 +49 (0)2241 141599 Fax: +49 (0)2241 141050 WWW: www.gmd.de/people/Karl.Jonas/
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