Q. TCP – numbering bytes?
- Numbering is utilized for flow & error control
- Segments aren't numbered only bytes
- Full-duplex connection - numbering is independent in each direction
- Numbers generated arbitrarily from 0 to 2^32-1
Sequence number
- The number of the initial byte carried in the segment
Acknowledgement number
- To confirm received bytes
- Defines the number of the subsequent byte the party expects to receive
- Cumulative