A new Request for Comments is now available in online RFC libraries.
RFC 3493
Title: Basic Socket Interface Extensions for IPv6
Author(s): R. Gilligan, S. Thomson, J. Bound, J. McCann,
W. Stevens
Status: Informational
Date: March 2003
Mailbox: gilligan@intransa.com, sethomso@cisco.com,
Jim.Bound@hp.com, Jack.McCann@hp.com
Pages: 39
Characters: 82570
Obsoletes: 2553
I-D Tag: draft-ietf-ipngwg-rfc2553bis-10.txt
URL: ftp://ftp.rfc-editor.org/in-notes/rfc3493.txt
The de facto standard Application Program Interface (API) for TCP/IP
applications is the "sockets" interface. Although this API was
developed for Unix in the early 1980s it has also been implemented on
a wide variety of non-Unix systems. TCP/IP applications written
using the sockets API have in the past enjoyed a high degree of
portability and we would like the same portability with IPv6
applications. But changes are required to the sockets API to support
IPv6 and this memo describes these changes. These include a new
socket address structure to carry IPv6 addresses, new address
conversion functions, and some new socket options. These extensions
are designed to provide access to the basic IPv6 features required by
TCP and UDP applications, including multicasting, while introducing a
minimum of change into the system and providing complete
compatibility for existing IPv4 applications. Additional extensions
for advanced IPv6 features (raw sockets and access to the IPv6
extension headers) are defined in another document.
This document is a product of the IP Version 6 Working Group of the
IETF.
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
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Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute
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