NAB Show

NAB Show

Session.

Affiliate Edge: Powering the Future of Channel Creation

Sunday, April 19 | 5:10 – 5:30 p.m.

Broadcast Engineering and IT Conference

Traditional regionalization of broadcast channels has relied on centralized playout, where every local variant is originated and monitored from a core operations hub. While proven, this model now carries significant pain points, including:  

• High infrastructure cost   
• Operational complexity and cost   
• Slow responsiveness   
• Limited scalability   
• High availability targets  

At the same time, primary distribution is transitioning from satellite contribution and ASI workflows to IP-first, cloud-aligned delivery. Broadcasters now expect 99.999% availability, deterministic failover, real-time monitoring, and greater agility. However, latency comparable to satellite is also required to support live event timing, cues, and confidence. Current centralized architectures strain to deliver these requirements cost-effectively.  

This paper outlines an alternative approach: Affiliate Edge Channel Creation, achieved by running the signal chain as a cloud-based service in IP. Instead of originating each variant centrally, a single national ABR feed is published into a CDN or distribution network. Each affiliate then receives a custom manifest and dynamically selects media segments to assemble the regionalized channel at the edge. Regional program changes, blackouts, late-running sports, and unique branding updates are applied locally through manifest-driven scheduling rather than baseband switching or manual intervention.  

Existing scheduling and rights-management systems remain in place, with the Affiliate Edge solution connecting to them through mechanisms such as BXF, SCTE-35, SCTE-104, and SCTE-224 signalling. The service acts as a bridge between the content owner and each affiliate, ingesting metadata and schedule instructions from systems such as Disney-PCC and Gracenote, while standard automation APIs minimize operational change. For blackout management, the system can automatically amend schedules and apply restrictions based on rights metadata or SCTE-224 policies. HTML-5 and templated graphics ensure consistent local branding without requiring deployment of full playout engines at each affiliate.  

Resilience and high availability are achieved through multi-region cloud deployments and edge caching of schedules and key media, providing continuity during upstream disruption. Current implementations achieve under 5 seconds end-to-end latency, with sub-2-second performance targeted using Low-Latency CMAF and MoQ (Media over QUIC), which can provide congestion-aware, low-latency media delivery suitable for live sports and breaking news.  

By reducing unnecessary infrastructure duplication, simplifying workflows, and aligning with modern IP-based distribution, Affiliate Edge Channel Creation addresses the core industry challenges of cost, complexity, agility, and latency—while maintaining the reliability and control expected of linear broadcast.