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Download File - Computer Networks & Information Security

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Impact of Acks: Mitigation [Balakrishnan97]<br />

Piggybacking link layer acks with data<br />

Sending fewer TCP acks - ack every d-th packet (d<br />

may be chosen dynamically)<br />

• but need to use rate control at sender to reduce<br />

burstiness (for large d)<br />

Ack filtering - Gateway may drop an older ack in the<br />

queue, if a new ack arrives<br />

reduces number of acks that need to be delivered to the<br />

sender<br />

394

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