The following notation has been used in this document.
Options WSopt: TCP Window Scale Option TSopt: TCP Timestamps Option Option Fields shift.cnt: Window scale byte in WSopt. TSval: 32-bit Timestamp Value field in TSopt. TSecr: 32-bit Timestamp Reply field in TSopt. Option Fields in Current Segment SEG.TSval: TSval field from TSopt in current segment. SEG.TSecr: TSecr field from TSopt in current segment. SEG.WSopt: 8-bit value in WSopt Clock Values my.TSclock: Local source of 32-bit timestamp values my.TSclock.rate: Period of my.TSclock (1 ms to 1 sec). Per-Connection State Variables TS.Recent: Latest received Timestamp Last.ACK.sent: Last ACK field sent Snd.TS.OK: 1-bit flag Snd.WS.OK: 1-bit flag Rcv.Wind.Scale: Receive window scale power Snd.Wind.Scale: Send window scale power