Shaping incoming packets

SiliconKnight
SiliconKnight used Ask the Experts™
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If I were to throttle an incoming connection using qdisc would that cause more bandwidth use due to the source having to resend packets that an ingress qdisc drops?
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Top Expert 2005
Commented:
Not for any of the TCP connections. TCP is a reliable protocol in that there is packet/reply exchange. If you throttle the connection one side simply waits on the the other, meaning that the outside source will send a data packet and then it will wait for the reply before sending more. There are some protocols that use a sliding window (like FTP) and the outside source may send a number of data packets, but eventually it winds up waiting the replies.
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