Mechanism of TCP/IP Socket Buffer Allocation under Solaris 2.5.x

Mechanism of TCP/IP Socket Buffer Allocation under Solaris 2.5.x

Post by Jamex Che » Sun, 01 Jun 1997 04:00:00

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Hello , Sir :

        Could you help me to find the documentation about :
" Mechanism of TCP/IP Socket Buffer Allocation under Solaris 2.5.x "
    Because I find some phenomenon about TCP/IP Socket Buffer Allocation

under Solaris 2.5.x .
1. Under Solaris 2.5.x , the Sender Side can sender the amount of data
or equal to the window size of the Receiver Size before the Sender
the ACK from the Receiver .
2. The Socket Buffer of Receiver Size will at least 4MSS and less than
about 64xxx .
3. No matter what value I use setsocketopt to set the  sender buffer
size ,
it can send the data larger than buffer size .

It's so amazing and confusing to me , could you help me to find the
answer ?
I need the answer to help my thesis of master degree .

Thanks for your regarding ,
Jamex Chen

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1. TCP/IP socket buffering

Does anybody know how to disable receive buffering?

    When client sends sequense of packets to server and server starts to
receive them after some timeout (when all packets have been sent) it gets
all packets in one recv() call, and buffer contains these in concatenated
state. I have no information about this packets' format and can't to
separate them, but I have to do it.

Client:                                                        Server:

send (sock,Packet1..)                          do something (not recv())
send (sock,Packet2..)                                   ...........
send (sock,Packet1..)                                   ...........


buff = Packet1Packet2Packet3

Help, please!

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