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From "Dave Viner" <dvi...@yahoo-inc.com>
Subject RE: [PATCH] the beginnings of multicast support
Date Tue, 08 Apr 2003 16:30:33 GMT
you can also look at Spread http://www.spread.org and MCL
http://www.inrialpes.fr/planete/people/roca/mcl/mcl.html both of which
support unix and win32.

i haven't examined the relevant code in those packages, so i'm not sure
how/if they handle the issues from dresystems.com page, but they both claim
support for the platforms.

dave

-----Original Message-----
From: Craig Rodrigues [mailto:rodrigc@attbi.com]
Sent: Sunday, April 06, 2003 10:24 AM
To: Garrett Rooney
Cc: dev@apr.apache.org
Subject: Re: [PATCH] the beginnings of multicast support


Hi,

The issues with multicast have to do with subscribing
to multicast groups and receiving certain datagrams.

The issues are summarized here:

http://www.dresystems.com/multicast.html

This may or may not affect your efforts to write a portable
API for multicast sockets, but it is worth noting.
--
Craig Rodrigues
http://home.attbi.com/~rodrigc
rodrigc@attbi.com



On Sun, Apr 06, 2003 at 11:50:58AM -0400, Craig Rodrigues wrote:
> Hi,
>
> There are issues with multicast...it is not as easy
> as just reading Stevens and doing the relevant setsockopt() calls.
> There are portability issues with multicast, especially
> with respect to IGMPv2 vs. IGMPv3 compliant behavior.
>
> I will try to dig up some references on it.  In the mean time,
> you might want to look at libnet.  They have a portability
> layer for multicast sockets.  It is pretty close to what you have,
> but there is some additional stuff for other platforms (such as Windows)
>
> http://www.packetfactory.net/projects/libnet/



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