A single VAST workflow can serve multiple environments, but a production platform should not pretend their device, identity and playback behavior is identical.

01

Web video

Browser and page context are available, but autoplay policy, iframe placement and browser support can affect playback.

  • Browser context
  • Page placement
  • Autoplay policy
02

Mobile application video

App inventory depends on SDK or player integration and application/device context that differs from browser requests.

03

Connected TV

CTV has long-form viewing contexts, device fragmentation and strict media compatibility needs. Environment-aware policy prevents inappropriate demand paths.

Product accuracy

This guide describes Nexus product architecture and general AdTech operating concepts. Exact enforcement and integration behavior depends on the enabled revenue engine and agreed deployment configuration.