Glossary: TCP/IP in Depth, Part 2
acknowledgment number
Also written: ack, ack number
A 32-bit TCP field naming the next byte a side expects to receive. For example, `ack 87` means "I have bytes up to 86, send 87 next."
Glossary: TCP/IP in Depth, Part 2
Also written: ack, ack number
A 32-bit TCP field naming the next byte a side expects to receive. For example, `ack 87` means "I have bytes up to 86, send 87 next."