Off-Net Sourcing for Multicast Streams Lenny Giuliano lennyjuniper.net Why Off-Net Sourcing? Native sourcing from MBONE is available today (On-Net) but most sources will be on unicast-only networks (Off-Net) Off-Net receiving available
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Presentation Transcript
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Off-Net Sourcing for Multicast Streams Lenny Giuliano <lenny@juniper.net><br>
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Why Off-Net Sourcing? Native sourcing from MBONE is available today (On-Net)
… but most sources will be on unicast-only networks (Off-Net)
Off-Net receiving available today with AMT: see Multicast Menu @ https://multicastmenu.herokuapp.com
Off-Net sourcing- users on unicast-only nets can stream to a “translator” on MBONE, which converts stream to multicast
Then accessible natively to on-net receivers and via AMT to off-net receivers
Demonstrated successful off-net sourcing with Juniper intern team in summer ’21 with Unicast2Multicast Translator 2<br>
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MTTG Architecture: Putting it all together Internet MBONE (GEANT, I2, etc) Mcast Source Relay Off-net Receiver Off-net Source U->M
Translator AMT Unicast Relay Relay Native Receiver<br>
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Unicast2Multicast Translator Linux VM with python script deployed on MBONE that translates unicast streams to multicast
Rewrites source and destination address (random group address in 232/8)
Generates new entry on the Multicast Menu
Developed by Janus Varmarken
In collaboration with Larry Un and Lanmingqi (Maki) Ma
Deployed at GWU by Andrew Gallo 4<br>
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Next Steps for Off-Net Sourcing Requirements
Get iPhone/Android camera to stream video to Unicast->Multicast Translator in the mCloud
Translator translates destination and source address of stream
Indexes stream for search
Optionally, records for lookback
Receiver App on iOS/Android to search, subscribe and watch streams
Can use VLC initially 5<br>
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References Unicast2Multicast Translator
https://github.com/JNPRAutomate/unicast2multicast-translator
Lauren’s Multicast Menu
https://multicastmenu.herokuapp.com
Source code @ https://github.com/Laur04/multicast-menu
Natalie/Wayne’s VLC with AMT GW build (and usage notes)
https://github.com/Juniper/amt-vlc
William’s AMT Relay Deployment docs
https://github.com/willzhang05/senior-research
MTTG Slack group- send email to lenny@juniper.net to join Multicast<br>
