O'Reilly logo
  • Hirofumi Takahashi thinks this is interesting:

Sequence Number is a 32-bit number that identifies where the encapsulated data fits within a data stream from the sender. For example, if the sequence number of a segment is 1343 and the segment contains 512 octets of data, the next segment should have a sequence number of 1343 + 512 + 1 = 1856.


Cover of Routing TCP/IP, Volume 1, 2/e


TCP Sequence Number