EBU’s MXL targets software exchange inside broadcast clusters
This article introduces MXL (Media eXchange Layer), a new standard designed to facilitate efficient, low-overhead media exchange between software functions within a broadcast compute cluster. MXL aims to complement existing standards like SDI and ST 2110 by standardizing internal media handling, preventing repetitive packetization and de-packetization overhead for software-defined production workflows. It is positioned as a core component of the EBU Dynamic Media Facility (DMF) reference architecture.
Key Takeaways
- MXL stands for Media eXchange Layer and is described as a core component of the EBU Dynamic Media Facility (DMF) reference architecture.
- ST 2110-20, ST 2110-30, ST 2110-40, and ST 2110-10 handle video, audio, ancillary data, and timing across a managed IP fabric.
- The article argues that repeated packetization and de-packetization inside a compute cluster adds latency and compute cost for graphics, AI/ML analysis, encoding, and monitoring.
- MXL is framed as vendor-neutral exchange for media buffers, chunks, and metadata between software functions such as mixer, graphics, AI, and encoder.
- The article places ST 2110 at the facility edge and MXL inside the cluster, with SRT, HLS, DASH, and CMAF used for other outputs.
Why It Matters
MXL matters because it addresses the part of production ST 2110 does not: media movement between software functions inside the same compute cluster. That gives broadcasters a cleaner division of labor, with SDI and ST 2110 handling ingress and facility transport while MXL handles internal exchange for graphics, AI, mixers, and encoders. The broader signal is that the EBU is formalizing software-defined production around memory, metadata, and orchestration, not just IP transport. Watch the EBU DMF and MXL SDK work, plus how timing, buffer ownership, and vendor interoperability are defined in the reference architecture.
Read full article at muratdemirci.com.tr
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