Glossary: TCP/IP in Depth, Part 2
cumulative acknowledgment
An acknowledgment number that confirms every byte before it. The laptop's `ack 303` confirmed all 302 bytes of the server's answer at once, so losing an earlier ACK does no harm.
Glossary: TCP/IP in Depth, Part 2
An acknowledgment number that confirms every byte before it. The laptop's `ack 303` confirmed all 302 bytes of the server's answer at once, so losing an earlier ACK does no harm.