TCP-based ISO Transmission Services (ITOT) is a mechanism that enables ISO applications to be ported to TCP / IP networks. Two basic ways can be taken when the ISO application to TCP / IP and IPv6 environments. One is independently transplanting each individual program, and has a local protocol on TCP; its second is based on the concept of transfer service hierarchical method on ISO TCP / IP, which is solved for all applications using ISO transmission services. problem.
ITOT is a transmission service that is equivalent to the server and interface of the ISO Transmission Service [ISO8072], in fact it performs ISO transmission protocol [ISO8073] on TCP / IP, not on ISO network service [ISO8348]. The famous TCP port 102 is reserved for an ITOT protocol.
The two variables defined in ITOT are "TCP Category 0" and "TCP Category 2", both close to the ISO Transfer Classification 0 and Classification 2 protocols. Classification 0 provides the following related functions: the establishment of the connection is achieved by negotiation, and the data transfer and the protocol error report are reached. It provides data connection with NS-vendor TCP-based streaming, and provides a transmission cut-off based on NS-vendor. Classification 0 is suitable for data transmission without clear transmission.
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