TCP/IPv6 Migration Guide

Introduction
HP NonStop TCP/IPv6 Migration Guide—524524-004
1-5
Summary of Differences Between Parallel Library
TCP/IP and NonStop TCP/IPv6
•
Port Sharing: You can specify a port range for listening applications in NonStop
TCP/IPv6. See DEFINEs on page 3-4.
•
Resource Management: There are some differences in processor utilization for
applications. See Resource Management on page 3-8.
•
Retransmission Timer Enhancements: There are new attributes and new socket
options available. See Retransmission Timer Enhancements on page 3-8.
•
Round-Robin Filtering: Incoming connections can be distributed among
applications that share a port and run in different processors. See Round-Robin
Filtering on page 3-9.
•
Shared Runtime Library: NonStop TCP/IPv6 uses a private SRL on NonStop
S-series servers. See Shared Run-Time Library (SRL) on page 3-9 for
considerations regarding the SRL.
•
SPI: Subsystem Programmatic Interface (SPI) support is limited. See SPI Interface
on page 3-9.
•
SWAN: There are new procedures for the ServerNet wide area network (SWAN)
subsystem. See SWAN on page 3-9.
•
System Configuration Database: Configuration attributes are stored
automatically in the system configuration database. See System Configuration
Database on page 3-9.
•
TELSERV: Static windows and servers in TELSERV must be added in your startup
command file or by using SCF. In addition, the RESILIENT ON attribute of
TELSERV does not work in combination with round-robin filtering. See Telserv on
page 3-10.
•
Tracing: There are some new considerations for tracing. See Trace on page 2-8
and Trace on page 3-10.
•
Tips for Migrating: For general tips for migrating from NonStop TCP/IP to
NonStop TCP/IPv6, see Tips for Migrating from NonStop TCP/IP to NonStop
TCP/IPv6 on page 3-10.
Summary of Differences Between Parallel
Library TCP/IP and NonStop TCP/IPv6
This subsection summarizes the differences between Parallel Library TCP/IP and
NonStop TCP/IPv6. The following alphabetical list of differences between Parallel
Library TCP/IP and NonStop TCP/IPv6 is organized by a keyword that describes the
topic. Cross-references are provided for further explanation of the topic.
•
Addresses: IPv6 addresses are available for NonStop TCP/IPv6 SUBNETs. See
Addresses on page 3-11.