It acknowledges receipt of the previous packet in the sequence.
TCP uses the acknowledgement number in segments sent back to the source to indicate the next byte in this session that the receiver expects to receive. This is called expectational acknowledgement.
window
The Transmission Control Protocol (TCP) is a core protocol of the Internet protocol suite. The sequence number and acknowledgement number are used to confirm receipt of data.
flow control
TCP is a protocol that uses those.
If the sending device does not receive an acknowledgement for a packet, the packet will be retransmitted.
Short for Round Tripp Time... It's the time a TCP packet takes to travel to it's destination and back (in the form of an acknowledgement-packet).
1024
the station window size the congestion window memory buffers receipt acknowledgement
window size
TCP Breaks User Data Into Segments, Numbers Each Segment, Places Them In The Correct Sequence, And Sends Each In Order, Waiting For An Acknowledgement Before Sending The Next Segment.
You can find the information regarding tcp number at www.cpuc.gov