Re: getnameinfo and various protocol types

[Erik Nordmark <Erik.Nordmark@sun.com>]

> 	now we have couple of new transport protocols coming, such as SCTP and
> 	DCCP.  how can we support service name lookup for those?  i.e.
> 	how can we tell getnameinfo(3) to use "sctp" or "dccp" for the 2nd
> 	argument of getservbyport(3)?
> 	
> 	my proposal:
> 	define NI_UDP as replacement of NI_DGRAM.  deprecate NI_DGRAM (keep
> 	it as an alias to NI_UDP is okay).  define NI_SCTP, NI_DCCP and such.
> 	these three are mutually exclusive, and if more than one is specified
> 	it would cause EAI_FAIL.

Since getnameinfo in theory should apply to non-Inet protocols
I think it would be useful to try to abstract from NI_SCTP and NI_DCCP
to something which captures the flavors/attributes of those transports.
I don't know if NI_SEQPACKET is descriptive for SCTP and protocols
of that flavor.
I have no idea what a more abstract name would be descriptive for DCCP.

  Erik


--------------------------------------------------------------------
IETF IPv6 working group mailing list
ipv6@ietf.org
Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6
--------------------------------------------------------------------