Abbreviated as TSN, a
Transmission Sequence
Number is a
32-bit sequence
number used internally by
SCTP (
Stream
Control Transmission Protocol).
A TSN is attached to each unit of information within an SCTP packet (also called
a
chunk) containing user data to permit the receiving
SCTP endpoint to acknowledge its receipt.
Also see The
OSI Reference Model - Understanding Layers" in the
Did You Know...?
section of Webopedia.