TPDUbased
TPDUbased refers to systems and protocols that use the Transport Protocol Data Unit (TPDU) as the fundamental unit of communication at the OSI transport layer. A TPDU is an encoded block exchanged between transport peers, combining a header and a payload. The header identifies the TPDU type, length, and sequencing or control information, while the payload may carry user data or protocol commands.
Two broad TPDU categories are information TPDUs, which carry user data in a reliable, ordered stream, and
In operation, a TPDU-based transport layer may establish a virtual circuit, exchange parameter settings, and manage
Historically, TPDU-based mechanisms were part of the OSI reference model and ISO transport standards. In modern