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[lwip-users] LWIP PACKET SIZE ! URGENT!!!

From: j . burton
Subject: [lwip-users] LWIP PACKET SIZE ! URGENT!!!
Date: Fri, 12 Aug 2005 10:09:37 +0200

Goodmorning, I have a question on Transmission Control Protocol for IP in
lwip (file tcp.c of lwip TCP/IP stack implementation)
I need to know how much large is the tcp packet..

We are using lwip for a GPRS application and we have to calculate costs for
sending packet throughout GPRS network..

We need to know if lwip has the same characteristics of TCP (I meand header
size, ack signals, etc..)

If I send 300 bytes of GPS data using GPRS and lwip, how much data I really
send? (including syn, ack signals for a tcp connection, etc..)

Thanks a lot for your support..

Roberto -- ITALY

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