TCP/IPv6 Configuration and Management Manual (G06.29+, H06.03+, J06.03+)

Overview of NonStop TCP/IPv6
HP NonStop TCP/IPv6 Configuration and Management Manual—524523-012
2-16
ND6HOSTD Process
Figure 2-9 on page 2-15 also shows the management interfaces involved in running
TCP/IP. The lines between the terminal, SCF, SCP, DSM and TCP6MAN indicate
management flow through the message system. The solid lines between the
application and TCP6SAM is also a message system transfer.
The application and TCP6MON communicate with each other through the TCP/IP
library and transfer data within the library without message-system hops.
For descriptions of these components of the NonStop TCP/IPv6 subsystem, see
TCP6MAN on page 2-12, TCP6MON on page 2-12, and TCP6SAM on page 2-12.
ND6HOSTD Process
The ND6HOSTD utility process updates global IPv6 address information in the Domain
Name System for NonStop TCP/IPv6. The ND6HOSTD is a Guardian process that you
configure to be started by the persistence manager.
For more information about the ND6HOSTD process, see Section 6, Manage the
NonStop TCP/IPv6 Subsystem.
IPv6 Functionality in NonStop TCP/IPv6
NonStop TCP/IPv6 adds the option of IPv6 functionality to the Parallel Library TCP/IP
product architecture. This subsection explains the NonStop server implementation of
IPv6.
Fundamentals of IPv6
nternet Protocol Version 6 (IPv6), as defined in RFC 2460, is the replacement network
layer protocol for the Internet, designed to replace the current Internet Protocol Version
4 (IPv4).
Table 2-4. RFCs Supported by NonStop TCP/IPv6 (page 1 of 2)
RFC Number RFC Title
1981 IPv6 Path MTU Discovery.
2460 IPv6 Specification.
2461 Neighbor Discovery for IPv6.
2462 Stateless Autoconfiguration.
2463 ICMPv6 Specification.
2464 Transmission of IPv6 packets over Ethernet Networks.
2553 Basic Socket Interface Extensions for IPv6.
2373 IPv6 Addressing Support.