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I want to use the Reliable Multicast Programming (PGM) protocol on Windows.

http://msdn.microsoft.com/en-us/library/windows/desktop/ms740125%28v=vs.85%29.aspx

I know Windows support it. However, it seems that I need network devices (routers and switches) that support that protocol in order to use it on the network. I also would like to use that protocol over the Internet (VPN?).

Could you give me any advice on what hardware do I need as well as ideas on how to use that over the Internet (I want to connect different offices)?

Thanks a lot.

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1 Answer 1

Considering that Cisco and Juniper people are on the author list for the stated RFC, the hardware for it exists out there.

Cisco looks to support it on their 7x00 series of switches.

Connecting it over the Internet to different offices will require either direct connections between the offices or a VPN. Multicast is generally not passed over normal Internet connections, so you have to own (physically or virtually) the entire network path.

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There is open source implementation of the protocol - OpenPMG that supports a wide range of operating systems and architectures. UDP encapsulation is also supported. code.google.com/p/openpgm –  Coder Mar 4 '12 at 14:58
    
@Coder That makes it a lot cheaper, though it means your end-point routing infrastructure needs to be based on a *nix software router. –  sysadmin1138 Mar 4 '12 at 16:05

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