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Mark Andrews
2002-12-20 20:29:36 +00:00
parent d457997b3b
commit 88d2351469
1 changed files with 82 additions and 83 deletions
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doc/draft/draft-ietf-ipngwg-rfc2553bis-09.txt → doc/draft/draft-ietf-ipngwg-rfc2553bis-10.txt
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@@ -1,7 +1,6 @@
IPNG Working Group R.E. Gilligan
INTERNET-DRAFT: draft-ietf-ipngwg-rfc2553bis-09.txt Cache Flow
INTERNET-DRAFT: draft-ietf-ipngwg-rfc2553bis-10.txt Cache Flow
Obsoletes RFC 2553 S. Thomson
Cisco
J. Bound
@@ -13,7 +12,7 @@ Obsoletes RFC 2553 S. Thomson
Basic Socket Interface Extensions for IPv6
<draft-ietf-ipngwg-rfc2553bis-09.txt>
<draft-ietf-ipngwg-rfc2553bis-10.txt>
Status of this Memo
@@ -62,10 +61,10 @@ Abstract
extension headers) are defined in another document [4].
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Table of Contents:
@@ -128,10 +127,10 @@ Authors' Addresses.............................................31
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1. Introduction
@@ -194,10 +193,10 @@ this well-worn API:
to simplify the task of converting existing IPv4 applications to
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IPv6.
@@ -260,10 +259,10 @@ of interfaces identifying the scope for an IPv6 address.
The IPv4 name-to-address translation functions in the socket interface
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are gethostbyname() and gethostbyaddr(). These are left as is, and new
@@ -276,13 +275,13 @@ two analogous functions that convert both IPv4 and IPv6 addresses, and
carry an address type parameter so that they can be extended to other
protocol families as well.
Finally, a few miscellaneous features are needed to support IPv6. New
interfaces are needed to support the IPv6 traffic class, flow label, and
hop limit header fields. New socket options are needed to control the
sending and receiving of IPv6 multicast packets.
Finally, a few miscellaneous features are needed to support IPv6. A new
interface is needed to support the IPv6 hop limit header field. New
socket options are needed to control the sending and receiving of IPv6
multicast packets.
The socket interface will be enhanced in the future to provide access to
other IPv6 features. These extensions are described in [4].
other IPv6 features. Some of these extensions are described in [4].
@@ -326,10 +325,10 @@ This section specifies the socket interface changes for IPv6.
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3.1 IPv6 Address Family and Protocol Family
@@ -392,10 +391,10 @@ structure. This field identifies the type of the data structure.
The sockaddr_in structure is the protocol-specific address data
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structure for IPv4. It is used to pass addresses between applications
and the system in the socket functions. The following sockaddr_in6
@@ -405,7 +404,7 @@ the <netinet/in.h> header:
struct sockaddr_in6 {
sa_family_t sin6_family; /* AF_INET6 */
in_port_t sin6_port; /* transport layer port # */
uint32_t sin6_flowinfo; /* IPv6 traffic class & flow info */
uint32_t sin6_flowinfo; /* IPv6 flow information */
struct in6_addr sin6_addr; /* IPv6 address */
uint32_t sin6_scope_id; /* set of interfaces for a scope */
};
@@ -458,10 +457,10 @@ was changed from a 16-bit value to an 8-bit value, and the space saved
used to hold a length field, named "sa_len". The sockaddr_in6 data
structure given in the previous section cannot be correctly cast into
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the newer sockaddr data structure. For this reason, the following
@@ -524,10 +523,10 @@ system are:
bind()
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connect()
@@ -590,10 +589,10 @@ destination's IPv4 address as an IPv4-mapped IPv6 address, and passing
that address, within a sockaddr_in6 structure, in the connect() or
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sendto() call. When applications use AF_INET6 sockets to accept TCP
@@ -656,10 +655,10 @@ example, the following code will not work:
/* This is the WRONG way to assign an unspecified address */
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struct sockaddr_in6 sin6;
@@ -722,10 +721,10 @@ writing code that is portable across multiple address families and
platforms. This data structure is designed with the following goals.
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- Large enough to accommodate all supported protocol-specific address
@@ -788,10 +787,10 @@ _SS_MAXSIZE (chosen value 128) and _SS_ALIGNSIZE (with chosen value 8).
Constants _SS_PAD1SIZE (derived value 6) and _SS_PAD2SIZE (derived value
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112) are also for illustration and not required. The derived values
@@ -854,10 +853,10 @@ functions using the existing sysctl() function with the NET_RT_IFLIST
command. Other implementations may wish to use ioctl() for this
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purpose.
@@ -920,10 +919,10 @@ structure per interface.
The end of the array of structures is indicated by a structure with an
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if_index of 0 and an if_name of NULL. The function returns a NULL
@@ -986,10 +985,10 @@ follows:
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x < -1: return an error of EINVAL
@@ -1052,10 +1051,10 @@ used with getsockopt().
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If IPV6_MULTICAST_HOPS is not set, the default is 1
@@ -1118,10 +1117,10 @@ delivered to the socket.
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5.3 IPV6_V6ONLY option for AF_INET6 Sockets
@@ -1184,10 +1183,10 @@ is no longer part of the basic API.
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6.1 Protocol-Independent Nodename and Service Name Translation
@@ -1250,10 +1249,10 @@ fashion using the getaddrinfo() function.
for use with the address family or families. If the specified address
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family is AF_INET, AF_INET6 or AF_UNSPEC, the service can be
@@ -1316,10 +1315,10 @@ INTERNET-DRAFT draft-ietf-ipngwg-rfc2553bis-09.txt December 2002
string supplied shall be a numeric port string. Otherwise, an
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[EAI_NONAME] error shall be returned. This flag shall prevent any
@@ -1382,10 +1381,10 @@ INTERNET-DRAFT draft-ietf-ipngwg-rfc2553bis-09.txt December 2002
then addresses are returned for use only with the specified address
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family and protocol; the value of ai_protocol shall be interpreted as
@@ -1448,10 +1447,10 @@ INTERNET-DRAFT draft-ietf-ipngwg-rfc2553bis-09.txt December 2002
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[EAI_BADFLAGS] The flags parameter had an invalid value.
@@ -1514,10 +1513,10 @@ The salen argument holds the size of the socket address structure
pointed to by sa.
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If the socket address structure contains an IPv4-mapped IPv6 address or
@@ -1580,10 +1579,10 @@ Note:
2. The NI_DGRAM flag is required for the few AF_INET and AF_INET6 port
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numbers (for example, [512,514]) that represent different services
@@ -1646,10 +1645,10 @@ specify the family of the address. The AF_INET and AF_INET6 address
families shall be supported. The src argument points to the string
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being passed in. The dst argument points to a buffer into which the
@@ -1712,10 +1711,10 @@ The following macros can be used to test for special IPv6 addresses.
int IN6_IS_ADDR_LINKLOCAL (const struct in6_addr *);
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int IN6_IS_ADDR_SITELOCAL (const struct in6_addr *);
@@ -1778,10 +1777,10 @@ definitions discussed in this memo, sorted by header.
<netinet/in.h> IN6ADDR_ANY_INIT
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<netinet/in.h> IN6ADDR_LOOPBACK_INIT
@@ -1844,10 +1843,10 @@ discussed in this memo, sorted by header.
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8. Security Considerations
@@ -1875,6 +1874,13 @@ Changes from RFC 2553
5. Added SIIT to references and added new contributors.
6. In previous versions of this specification, the sin6_flowinfo
field was associated with the IPv6 traffic class and flow label,
but its usage was not completely specified. The complete
definition of the sin6_flowinfo field, including its association
with the traffic class or flow label, is now deferred to a
future specification.
@@ -1901,6 +1907,14 @@ Williams, Kazu Yamamoto, Vlad Yasevich, Stig Venaas, and Brian Zill.
The getaddrinfo() and getnameinfo() functions are taken from an earlier
Internet Draft by Keith Sklower. As noted in that draft, William Durst,
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Steven Wise, Michael Karels, and Eric Allman provided many useful
discussions on the subject of protocol-independent name-to-address
translation, and reviewed early versions of Keith Sklower's original
@@ -1908,14 +1922,6 @@ proposal. Eric Allman implemented the first prototype of getaddrinfo().
The observation that specifying the pair of name and service would
suffice for connecting to a service independent of protocol details was
made by Marshall Rose in a proposal to X/Open for a "Uniform Network
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Interface".
Craig Metz, Jack McCann, Erik Nordmark, Tim Hartrick, and Mukesh Kacker
@@ -1969,17 +1975,10 @@ References
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Authors' Addresses
@@ -2042,5 +2041,5 @@ Email: Jack.McCann@hp.com
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