US 12,348,577 B2
Techniques for efficient content delivery in a multicast adaptive bit rate (MABR) system
Kanakendiran Ramachandiran, Chennai (IN); and Varma L. Chanderraju, San Jose, CA (US)
Assigned to ARRIS Enterprises LLC, Suwanee, GA (US)
Filed by ARRIS Enterprises LLC, Suwanee, GA (US)
Filed on Jun. 29, 2023, as Appl. No. 18/216,478.
Claims priority of provisional application 63/388,869, filed on Jul. 13, 2022.
Prior Publication US 2024/0022622 A1, Jan. 18, 2024
Int. Cl. H04L 65/75 (2022.01); H04L 65/1045 (2022.01); H04L 65/611 (2022.01)
CPC H04L 65/765 (2022.05) [H04L 65/1045 (2022.05); H04L 65/611 (2022.05)] 15 Claims
OG exemplary drawing
 
1. A method for content delivery in a Multicast Adaptive Bit Rate MABR system, the method comprising:
receiving, at an MABR client device, a manifest request from an Adaptive Bit Rate ABR player that includes a first channel ID, wherein the manifest request is initially redirected to the MABR client device by a rendezvous service upon updating the manifest request from the ABR player with a second channel ID and an upstream CDN base information, where said second channel ID is a logical representation of a channel in the form of meta-data that does not resolve as part of a URL to particular media content;
translating, by the MABR client device, the manifest request by adding representation ID, wherein the representation ID uniquely identifies a variant stream within a media content, where a plurality of different variant streams are available within said media content;
obtaining a stream ID by combining the second channel ID and the representation ID;
performing a lookup in a cache for the media content, requested in the translated manifest request and using the obtained stream ID;
selectively providing the media content to the ABR player if the media content is present within the cache; and
selectively performing a search in upstream CDN's if the media content is not present within the cache.