RFC 2553

Basic Socket Interface Extensions for IPv6, March 1999

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RFC 2133
Obsoleted by:
RFC 3493
Updated by:
RFC 3152
R. Gilligan
S. Thomson
J. Bound
W. Stevens
ipngwg (int)

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DOI:  https://doi.org/10.17487/RFC2553

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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. This memo provides information for the Internet community.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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