[MBONED] 107/vInterim mtg mins
Leonard Giuliano <lenny@juniper.net> Tue, 21 April 2020 19:59 UTC
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Date: Tue, 21 Apr 2020 12:59:32 -0700
From: Leonard Giuliano <lenny@juniper.net>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/mboned/q8CzsMfcLsZuS5daeKY48iKVaOo>
Subject: [MBONED] 107/vInterim mtg mins
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All, Excellent meeting today, thanks for all who stuck around to the end. Even bigger thanks to Femi for taking mins for both WGs. Below are the meeting mins from the etherpad. Please take a look while it's still fresh in you mind to add/correct anything. You can make edits directly to the etherpad: https://etherpad.ietf.org:9009/p/notes-ietf-107-pim Chairs, 5 min Multicast to the Browser: draft-ietf-mboned-ambi-00, draft-ietf-mboned-cbacc-00, draft-ietf-mboned-dorms-00 Jake Holland, 30 min Dino Farinacci: Use asymmetric keys? But no good algorithms that are fast enough Jake Holland: Performance of security suites prohibitive. Probably worthwhile writing up that approach for when fast enough security approaches become available Dino Farinacci: Different mechanism to do authentication and authorization since authorization can be done much quicker? Jake Holland: Authentication is crucial Toerless Eckert: Isn't AMBI really necessary for only DRM-encumbered receivers? Jake Holland: There are some other scenarios when AMBI is needed Toerless Eckert: Broadcast DRM traffic well-resourced and deployed. Isn't that the answer to that threat model? Jake Holland: Diffcult to check in code to browser relying on only DRM Greg Shepherd: Perhaps consider taking to Nanog or other forums with carriers Jake Holland: Seeking carriers/content owners to particpate in POCs and trials Multicast to the Grandma (MTTG) Update Lenny Giuliano, 25 min Greg Shepherd: "People don't hate multicast they hate PIM", i.e. the problem is not network replication but rather the complexity designed to facilitate the replication Lenny Giulano: "People don't hate PIM SSM they hate PIM ASM" Toerless Eckert: PIM-SSM is simple enough for all broadcast. BIER is a great simplification over PIM-SM and enables new "sender-control-applications". Multicast via BGP is for operators that never learned a second language beside BGP ;-) Jake Holland: PIM SSM easier to follow that MBGP VPN. The BIER drafts are interesting and solving per-hop scale issues and reducing operational complexity is worthwhile. Toerless Eckert: Complementary to Jake Holland's effort. How does it interact with Verizon's presentation where the use of a local agent is used to change multicast traffic to unicast so browsers are unaltered Gyan Mishra: Rather than developing in-house from scratch, consider other approaches (e.g. webRTC) but ultimately approach was to use Ramp product Jake Holland: Key to be able to deploy multicast to the actually browser itself Greg Sheperd: Requirement that source be multicast is not ideal Easier to have concept of multicast for distribution but no reason why sources can unicast traffic to the FHR Dino Farinacci: Does not really matter how data is sourced, as long as multicast service model used for distribution. Can be flexible, depending on constraints of source applications. Also need to deal with NAT traversal if source is smartphone which is harder for multicast source than unicast Dino Farinacci: Need someone to write app to take video traffic from a phone and send to the network, in either unicast or multicast Leonard Giulano: Looking for potential open source apps
- [MBONED] 107/vInterim mtg mins Leonard Giuliano