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Comparison of DMX over IP protocols

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Protocol Specification Available Max Universes Ports per Device DMX Encoding Multi-source merging Transport Method Port
ArtNet 1 Yes 255 4 No Yes, HTP or LTP Subnet broadcast 6454
ArtNet 2 Yes 255 4 No Yes, HTP or LTP Subnet broadcast or Unicast <ref>Unicast with ArtNet II up to a limit</ref> 6454
ArtNet 3 Yes 32768 4 No Yes, HTP or LTP Subnet broadcast or Unicast <ref>Unicast with ArtNet II up to a limit</ref> 6454
E1.31 / ACN Yes <ref>Costs $40 US</ref> 63999 No limit No Yes, per channel merging Multicast <ref>One universe per address, 239.255.0.1 - 239.255.249.255</ref> 5568
ETCNet2 No 64 <ref>http://www.etcconnect.com/Community/wikis/products/etcnet2-products.aspx</ref>  ? Yes Multicast 6107
ESP Net Yes 255  ? Yes No Subnet broadcast 3333
Pathport No 128 <ref>http://www.pathwayconnect.com/content/view/156/26/</ref> 2? No LTP only? Multicast <ref>All universes use the same IP</ref> 3792
Sandnet No 65025 2 Yes  ? Multicast <ref>All universes use the same IP, 237.1.1.1 & 237.1.2.1</ref> 37900 (data) or 37895 (control)
ShowNet No 36  ? Yes  ? Subnet broadcast 2501


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