Use case: HTTP proxy for network multicast support

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Presentation transcript:

Use case: HTTP proxy for network multicast support Roni Even March 16th 2018

Adaptive Streaming over IP multicast

Adaptive Streaming over IP Multicast Linear or Live High Resolution video content seen by large number of viewers. Using delivery over multicast in the network (Broad Band, Mobile,…) for saving bandwidth. Unicast to Multicast close to content provider/hosting. Back to unicast in the home gateway. Home gateway is an HTTP proxy and Multicast to HTTP/S unicast transport translator. Solutions specified by CableLabs, DVB and BBF fora.

Adaptive Streaming over IP Multicast The content playback function fetch the manifest file from content hosting and uses its content to retrieve the media. For HTTPS Multicast GW can function as: Transparent Proxy or Forward Proxy in GW– Does not work since player establish a tunnel to content hosting (during connect in the forward proxy case) Reverse proxy (with DNS interception or Setting the URLs in the manifest file) – requires server certificate in the GW which does not have a static IP address should have a DNS name. The GW gets also the manifest file and changes the structure (URLs). The GW is a Man In The Middle. How to multicast the video - draft-pardue-quic-http-mcast-02