LLS Features

Stream Management Live Media Processing Livestream Acceleration Media Storage Analytics System Integration

LLS enables ultra-low latency from stream ingest to playback, supporting the full stream lifecycle.

Supports management of ingest and delivery domain names to facilitate routing and distribution.
Associates media processing configurations - such as input/output formats and transcoding presets - through an application-level abstraction.
Provides runtime stream management operations, including ban/unban and stream reset.

LLS delivers high-performance, configurable media processing across ingest, transcoding and packaging stages.

Supports RTMP protocol for live stream input.
Utilises GTM-based routing to connect clients to the nearest edge node, reducing ingest latency.
Implements token-based anti-leech protection:
- Supports MD5-encrypted tokens for secure stream access.
- Optionally supports parameter passthrough to a custom authentication endpoint, allowing third-party validation and content protection.

Supports real-time decoding and encoding with AVC (H.264) and HEVC (H.265) video codecs, including High/Main/Baseline profiles and resolutions up to 4K.
Provides CPU and GPU-based transcoding options to balance cost and performance.
Supports AAC audio codec with sampling rates up to 48kHz, and mono/stereo channel configurations.
Allows per-application transcoding template configuration under the ingest domain for efficient reuse and simplified setup.

Supports multiple streaming formats: HLS, Low-Latency HLS, MPEG-DASH, and HTTP-FLV.
Enables transmuxing of original audio/video streams into different delivery protocols.
Supports audio-only packaging into TS and MP3 formats.
Offers time-shift functionality, including rewind, start-over, catch-up, and long-term catch-up.
Supports live screenshots by extracting keyframes into .jpg or .png, with storage to a designated OSS bucket for compliance workflows.
Provides live recording, generating HLS or MP4 files directly from the stream for on-demand access.

LLS leverages a globally distributed CDN with delivery optimisations tailored for real-time streaming.

Reduces latency through optimised cache and delivery mechanisms across edge nodes.
Enhances HTTP-FLV delivery by supporting connection multiplexing and caching, enabling multiple clients to share server-side resources while reducing origin load.
Improves Low-Latency HLS performance by optimising request handling for partials, segments, and playlists.
Optimises traditional HLS/DASH workflows to reduce playback startup time and improve consistency across different network conditions.

LLS integrates scalable Conversant Object Storage Service (OSS) for persistent management of live streaming assets.

Provides cloud-based media storage for live recordings, screenshots, and other stream artefacts.
Provides S3-compatible object storage with integrated CDN acceleration for distribution.
Bucket-based flattened storage model: All objects exist at the same logical level to simplify management.
Supports rich object-level operations, configurable lifecycle policies, and flexible upload/download interfaces.
Enables CORS for secure cross-origin access to OSS content, supporting modern browser-based applications.

LLS provides fine-grained observability across all streaming dimensions to support diagnostics and performance tuning.

Supports dimensional breakdown by domain, application, stream, region, and time window.
Key metrics include:
- Ingest:
  - Number of Concurrent Ingest Streams (Aggregated over 5-minute intervals, with the peak value recorded when changes occur).
  - Total Bandwidth of Ingest Streams.
  - Total Number of Concurrent Transcoding Tasks
  - Transcoding Durations.
- Delivery:
  - Total Number of Concurrent Viewers.
  - Delivery Bandwidth .

LLS provides open APIs and event-driven interfaces for seamless integration with third-party systems.

Exposes OpenAPI for programmatic control over domain, application, stream, and configuration management.
Supports Notification API for event-driven workflows and real-time status reporting, enabling integration with monitoring, alerting, or automated response systems.

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