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Delegating content delivery to a downstream Content Delivery Network (CDN), typically
operated and exposed by a telecom operator, provides a quality of experience
enhancement, as the physical distance from the client to the cache server is shortened. However, this does not eliminate the possibilities for problems. In cases of massive/large events, or simply a high level of concurrent usage, the downstream CDN may experience overloading. Exposing and offering a multicast delivery service, possibly in conjunction with the unicast CDN, is a win/win model that reduces the pressure on the Downstream CDN (dCDN) and offers a better quality of experience (scalable delivery) for the Upstream CDN (uCDN).This document specifies the way to operate the Open Caching Application Programming
Interface (API) and possibly extend it allowing a uCDN and a dCDN to exploit and expose a multicast delivery service respectively according to [SVTA2104].(Downloads - 1)
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Delegating content delivery to a downstream Content Delivery Network (CDN), typically
operated and exposed by a telecom operator, provides a quality of experience
enhancement, as the physical distance from the client to the cache server is shortened. However, this does not eliminate the possibilities for problems. In cases of massive/large events, or simply a high level of concurrent usage, the downstream CDN may experience overloading. Exposing and offering a multicast delivery service, possibly in conjunction with the unicast CDN, is a win/win model that reduces the pressure on the Downstream CDN (dCDN) and offers a better quality of experience (scalable delivery) for the Upstream CDN (uCDN).This document specifies the use cases that would benefit from such an open/shared
multicast delivery service and provides a list of requirements addressed by [SVTA2065].(Downloads - 1)
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$0.00In this document, a cross-functional working group committee reviews and responds to the HLS Content Steering Proposal 1.1b1 and the subsequent Redundant Stream Steering Proposal (RSS).
(Downloads - 4)
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Technical Documents
SVTA3059: Streaming Video Technology Alliance Input to The hls-interest Meeting (October 2023)
$0.00 $0.00Apple hosted an all-day, in-person activity featuring sessions, community discussions, and a live Q&A with members of the Apple media streaming engineering team.
Attendees learned about the latest updates to HTTP Live Streaming and HLS.js across all platforms. Members of the SVTA Players and Playback group, along with non-member
Akamai, provided contribution to this meeting in the form of suggestions and recommendations to the hls.js player.(Downloads - 1)
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$0.00This document describes key network delivery metrics for streaming Internet video. The Streaming Video Alliance Quality of Experience (QoE) working group (WG) developed these metrics as a common language to describe effectiveness of network delivery. Although many more metrics could have been documented, these particular metrics represent the most common and important metrics according to the QoE WG group membership. It is expected that these metrics can be used across the streaming video ecosystem to provide guidance that can lead to enhancement of QoE.
(Downloads - 1)
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Technical Documents
SVTA5009: Forensic Watermarking Implementation Considerations for Streaming Media
$0.00 $0.00The piracy of online video content is a significant issue for content owners and distributors. This document explains the technology of watermarking and how it can be employed, in various methods, to secure video against theft.
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There are many different approaches to associating attributes to an IP address and many different attributes that can apply. There are also several different approaches to delivering that data. This document will focus on attributes that fall into three categories: Identity, Service, and Location. Identity can include a user’s name, the upstream service provider, an enterprise network, university, or department. Services can include attributes such as a W-Fi network, cable, wireless, infrastructure, and enterprise. Finally, location attributes can identify city, state, zip codes, country, region, or geocodes. A collection of attributes would form objects with their associated values, and these objects can be related to an individual IP address or a range of addresses to create an IP addressing object. These IP address objects can also be tied to an IP address object in a parent child relationship to provide as much detail as desired by the source. This document provides a JSON object model and schema to represent how those attributes can be tied to an IP address in a common format for controlling the access to streaming video using geo-location data for IPv4 and IPv6 addressing.
Note: access controls, privacy, and the management of privileged information (PII) will not be defined here and will be left to other efforts.
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Technical Documents
SVTA5011: Improved Quality of Service (QoS) For Advertisement Delivery Across OTT: Best Practices
$0.00 $0.00Advertisement insertion into OTT streams is a critical part of the overall user experience. Breakdowns in services or delivery can have a detrimental impact on viewer churn. To provide users with the best possible Quality of Experience (QoE), content publishers must take into account the advertising workflow with regards to quality, duration, delivery, and failure. The best practices presented in this paper, developed by a number of contributing companies in the Streaming Video Alliance’s Advertising Working Group, address a myriad of considerations for any OTT service provider that is considering the inclusion of advertising in their offering.
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As the video streaming industry continues to mature, QoE expectations continue to rise in importance both as a value proposition to the consumer as well as a differentiator between competing video streaming services. Yet, consistent, systematic, standardized, objectively measured, and business-rules-driven QoE assurance continues to be an elusive goal. This document outlines factors that impact consumer QoE, sheds light on some of the underlying challenges to diagnosing QoE impact and provides a set of best practices for end-to-end QoE monitoring in video streaming workflows.
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The ability to prevent piracy, take down illegal content, and act against illegal sources are key objectives of content protection. Meeting these objectives requires the use of a variety of technologies including watermarking, Digital Rights Management (DRM), fingerprinting, and cryptography. This document examines and discusses the streaming video system to provide best practices for protecting and securing streaming video content for both content providers and distributors to ensure content is being used as intended by those who it was intended.
(Downloads - 3)
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Technical Documents
SVTA5020: All Coming Together: A Collaborative Effort to Achieve Comprehensive End-to-End Monitoring
$0.00 $0.00SVTA5020: All Coming Together: A Collaborative Effort to Achieve Comprehensive End-to-End Monitoring
This paper, originally published in SCTE-ISBE Journal of Digital Video, Vol 5, No 1, December 2020, outlines a collaborative integration of manifest delivery, analytics, quality metrics, visual dashboard, and reporting methods while highlighting several demonstration use-cases. This proof-of-concept study will prove helpful for ad operations teams to enable a reliable Quality of Service (QoS) across streaming devices while validating advertiser’s investments.
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