NonStop S-Series Planning and Configuration Guide (G06.28+)
Terms and Concepts
HP NonStop S-Series Planning and Configuration Guide—523303-020
1-49
Protocols
Protocols
Transmission Control Protocol (TCP)
Transmission Control Protocol (TCP) is a connection-oriented protocol that provides for 
the reliable exchange of data between a sending and a receiving system, no matter 
how many intermediate nodes the data traverses. TCP regards the data as a stream of 
bytes (it is not record-oriented) and guarantees that all data sent is received by the 
destination system and arrives in the order in which it was sent.
TCP/IP
TCP/IP is a set of layered communications protocols for connecting workstations and 
larger systems. TCP/IP is actually two distinct, but closely related, protocols—the 
Transmission Control Protocol (TCP) and the Internet Protocol (IP).
Parallel Library TCP/IP
Parallel TCP/IP is an HP product that provides increased performance and scalability 
over conventional TCP/IP. Parallel Library TCP/IP coexists with conventional TCP/IP 
on NonStop S-series systems and supports Ethernet 4 ServerNet adapters (E4SAs), 
Fast Ethernet ServerNet adapters (FESAs), Gigabit Ethernet ServerNet adapters 
(GESAs), Gigabit 4 ServerNet adapters (G4SAs), and ServerNet wide area network 
(SWAN and SWAN 2) concentrators. 
NonStop TCP/IPv6
NonStop TCP/IPv6 is an HP product that adds IP version 6 (IPv6) functionality to the 
Parallel Library TCP/IP product. IPv6 is a TCP/IP protocol that extends the IP version 4 
(IPv4) address of 32 bits to 128 bits. NonStop TCP/IPv6 can be run in three modes:
Simple Network Management Protocol (SNMP)
Simple Network Management Protocol (SNMP) is a protocol for managing devices 
from multiple vendors on a network. SNMP originated in the Internet community in the 
late 1980s as a means for managing Ethernet networks. 
File Transfer Protocol (FTP)
File transfer protocol (FTP) is used for transferring files between hosts. 
Mode NonStop TCP/IPv6 supports ...
INET Only IPv4 and is a direct replacement for Parallel Library TCP/IP
INET 6 Only IPv6
DUAL Both IPv4 and IPv6 communications










