draft-ietf-ipngwg-rfc2553bis-07.txt   draft-ietf-ipngwg-rfc2553bis-08.txt 
IPNG Working Group R.E. Gilligan IPNG Working Group R.E. Gilligan
INTERNET-DRAFT: draft-ietf-ipngwg-rfc2553bis-07.txt Cache Flow INTERNET-DRAFT: draft-ietf-ipngwg-rfc2553bis-08.txt Cache Flow
Obsoletes RFC 2553 S. Thomson Obsoletes RFC 2553 S. Thomson
Cisco Cisco
J. Bound J. Bound
J. McCann J. McCann
Hewlett-Packard Hewlett-Packard
W. R. Stevens W. R. Stevens
September 2002 October 2002
Basic Socket Interface Extensions for IPv6 Basic Socket Interface Extensions for IPv6
<draft-ietf-ipngwg-rfc2553bis-07.txt> <draft-ietf-ipngwg-rfc2553bis-08.txt>
Status of this Memo Status of this Memo
This document is an Internet-Draft and is in full conformance with This document is an Internet-Draft and is in full conformance with
all provisions of Section 10 of RFC2026. all provisions of Section 10 of RFC2026.
This document is a submission by the Internet Protocol IPv6 Working This document is a submission by the Internet Protocol IPv6 Working
Group of the Internet Engineering Task Force (IETF). Comments should Group of the Internet Engineering Task Force (IETF). Comments should
be submitted to the ipng@sunroof.eng.sun.com mailing list. be submitted to the ipng@sunroof.eng.sun.com mailing list.
skipping to change at page 7, line 29 skipping to change at page 7, line 29
structure used in the 4.3BSD release. structure used in the 4.3BSD release.
The sin6_family field identifies this as a sockaddr_in6 structure. This The sin6_family field identifies this as a sockaddr_in6 structure. This
field overlays the sa_family field when the buffer is cast to a sockaddr field overlays the sa_family field when the buffer is cast to a sockaddr
data structure. The value of this field must be AF_INET6. data structure. The value of this field must be AF_INET6.
The sin6_port field contains the 16-bit UDP or TCP port number. This The sin6_port field contains the 16-bit UDP or TCP port number. This
field is used in the same way as the sin_port field of the sockaddr_in field is used in the same way as the sin_port field of the sockaddr_in
structure. The port number is stored in network byte order. structure. The port number is stored in network byte order.
The sin6_flowinfo field is a 32-bit field that contains two pieces of The sin6_flowinfo field is a 32-bit field intended to contain
information: the traffic class and the flow label. The contents and flow-related information. The exact use of this field is not
interpretation of this member is specified in [1]. currently specified.
The sin6_addr field is a single in6_addr structure (defined in the The sin6_addr field is a single in6_addr structure (defined in the
previous section). This field holds one 128-bit IPv6 address. The previous section). This field holds one 128-bit IPv6 address. The
address is stored in network byte order. address is stored in network byte order.
The ordering of elements in this structure is specifically designed so The ordering of elements in this structure is specifically designed so
that when sin6_addr field is aligned on a 64-bit boundary, the start of that when sin6_addr field is aligned on a 64-bit boundary, the start of
the structure will also be aligned on a 64-bit boundary. This is done the structure will also be aligned on a 64-bit boundary. This is done
for optimum performance on 64-bit architectures. for optimum performance on 64-bit architectures.
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