题目内容
____ is the byte stream number of first byte in the segment.
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____ is the byte sequence numbers of next byte expected from other side.
Because TCP only acknowledges bytes up to the first missing byte in the stream, TCP is said to provide ____ acknowledgements.
Fast retransmit means in the case that ____ duplicate ACK-s are received, the TCP sender resend segment before timer expires.
TCP____ means sender won’t overflow receiver’s buffer by transmitting too much, too fast.
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