[Bug 201197] New port: net/norm, NACK-Oriented Reliable Multicast

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201197

            Bug ID: 201197
           Summary: New port: net/norm, NACK-Oriented Reliable Multicast
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: freebsd-ports-bugs at FreeBSD.org
          Reporter: hd at oc.dk
                CC: koobs at FreeBSD.org, vg at FreeBSD.org
                CC: koobs at FreeBSD.org, vg at FreeBSD.org

Norm was (recently) added to net/libzmq4 as a transport, and could be used many
places where net/openpgm is not suitable or not working. For this to happen we
need an easy way to install it.

> NORM supports reliable data delivery over IP multicast but also supports unicast
> (point-to-point) data transfers. NORM operates on top of the User Datagram Protocol
> (UDP) and supports reliability via a NACK-based Automated Repeat Request (ARQ) 
> that uses packet erasure coding for very efficient group communication. 
> NORM also provides for automated TCP-friendly congestion control and mechanisms for support end-to-end flow control.
Quote: http://zeromq.org/topics:norm-protocol-transport

I also have patches available for net/libzmq4 to allow the --with-norm
configure flag, but this would obviously require inclusion of net/norm.

I am in contact with the software maintainer Brian Adamson <badamson at gmail.com>
which was able to quickly provide some FreeBSD fixes to allow a clean port
without patches, and am confident that this new port will be maintained for the
foreseeable future.

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