It applies to the payload only. The sender can always transmit ACKs, FINs, RSTs, etc., with no payload.
Does TCP Receive Window Size header field include the bytes in segment headers?
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02-08-2022 - |
题
I'm working on an implementation of TCP for a class and I'm wondering what the Window Size field actually mean.
I understand that the window size is the number of bytes, but does that number of bytes apply to:
- the payload of the TCP Segment, not including the header or to
- the entire TCP Segment, including the header?
Thus far, I've looked on Wikipedia:
RFC 793 states that:
The window indicates an allowed number of octets that the sender may transmit before receiving further permission.
RFC 2581 states that:
receiver's advertised window (rwnd) is a receiver-side limit on the amount of outstanding data
Neither of these make it particularly clear. Anyone?
解决方案
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