Inter-Destination Media Synchronization (IDMS) Using the RTP Control Protocol (RTCP)

Brandenburg, Ray van; Gross, Kevin; Deventer, Oskar van; Stokking, Hans; Boronat, Fernando; Montagud, Mario

doi:10.17487/rfc7272

Cited by 8 publications

(14 citation statements)

References 13 publications

(14 reference statements)

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“…In RFC 7272 [83], RTP/RTCP protocols are extended to achieve IDMS, by defining two new RTCP messages. Finally, an overview of the capabilities of these protocols to provide (the different forms of) media sync and a discussion about the need of further work on this area is provided in [84].…”

Section: B Delivery Of Timeline For External Datamentioning

confidence: 99%

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Understanding Timelines Within MPEG Standards

Yuste

Boronat

Montagud

et al. 2016

IEEE Commun. Surv. Tutorials

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Section: B Delivery Of Timeline For External Datamentioning

confidence: 99%

“…In [85], the RTCP-based IDMS solution specified in RFC7272 [83] is implemented and evaluated, by using different architectural schemes, control algorithms and adjustment techniques.…”

Section: B Delivery Of Timeline For External Datamentioning

confidence: 99%

Understanding Timelines Within MPEG Standards

Yuste

Boronat

Montagud

et al. 2016

IEEE Commun. Surv. Tutorials

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“…Based on the initial idea in [Bor08], standardization processes were undertaken to provide RTP/RTCP-based technology (i.e., protocols, feedback messages, control mechanisms and architectures) for IDMS under the umbrella of both the ETSI (European Telecommunications Standards Institute) TISPAN (Telecommunications and Internet converged Services and Protocols for Advanced Networking), in [ETSI TS 183 063], and the IETF, in RFC 7272 [Bra14]. Standardization of IDMS started in the ETSI TISPAN, which is a major European-based standardization organization with significant operator involvement.…”

Section: New Standard Rtcp Extensions For Idms (Rfc 7272)mentioning

confidence: 99%

“…Although the IDMS specification within the IETF significantly evolves the one specified within the ETSI TISPAN, it was carefully designed to be backwards compatible with this earlier one. Moreover, upon the acceptance of the IETF proposal for IDMS as a standard, in RFC 7272 [Bra14], the ETSI TISPAN proposal was updated to include RFC 7272 as the normative specification for IDMS.…”

Section: New Standard Rtcp Extensions For Idms (Rfc 7272)mentioning

confidence: 99%

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Design, Development and Evaluation of an Adaptive and Standardized RTP/RTCP-Based Idms Solution

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ii Design, Development and Evaluation of an Adaptive and Standardized RTP/RTCP-based IDMS Solutioniii ABSTRACT Nowadays, we are witnessing a transition from physical togetherness towards networked togetherness around media content. Novel forms of shared media experiences are gaining momentum, allowing geographically distributed users to concurrently consume the same media content while socially interacting (e.g., via text, audio or video chat). Relevant use cases are, for example, Social TV, networked games and multi-party conferencing.However, realizing enjoyable shared media services faces many challenges. In particular, a key technological enabler is the concurrent synchronization of the media playout across multiple locations, which is known as Inter-Destination Multimedia Synchronization (IDMS).This PhD thesis presents an inter-operable, adaptive and accurate IDMS solution, based on extending the capabilities of RTP/RTCP standard protocols (RFC 3550). Concretely, two new RTCP messages for IDMS have been defined to carry out the necessary information to achieve IDMS. Such RTCP extensions have been standardized within the IETF, in RFC 7272. In addition, novel standard-compliant Early Event-Driven (EED) RTCP feedback reporting mechanisms have been also designed to enhance the performance in terms of interactivity, flexibility, dynamism and accuracy when performing IDMS.The designed IDMS solution makes use of globally synchronized clocks (e.g., using NTP) and can adopt different (centralized and distributed) architectural schemes to exchange the RTCP messages for IDMS. This allows efficiently providing IDMS in a variety of networked scenarios and applications, with different requirements (e.g., interactivity, scalability, robustness…) and available resources (e.g., bandwidth, latency, multicast support…). Likewise, various monitoring and control algorithms, such as dynamic strategies for selecting the reference timing to synchronize with, and fault tolerance mechanisms, have been added. Moreover, the proposed IDMS solution includes a novel Adaptive Media Playout (AMP) technique, which aims to smoothly adjust the media playout rate, within perceptually tolerable ranges, every time allowable asynchrony thresholds are exceeded.Prototypes of the IDMS solution have been implemented in both a simulation and in real media framework. The evaluation tests prove the consistent behavior and Mario Montagud Climent iv the satisfactory performance of each one of the designed components (e.g., protocols, architectural schemes, master selection policies, adjustment techniques…). Likewise, comparison results between the different developed alternatives for such components are also provided. In general, the obtained results demonstrate the ability of this RTP/RTCP-based IDMS solution to concurrently and independently maintain an overall synchronization status (within allowable limits) in different logical groups of users, while avoiding annoying playout discontinuities and hardly increasing the computational and traffic load. De...

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2016

Multimedia Networks

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Inter-Destination Media Synchronization (IDMS) Using the RTP Control Protocol (RTCP)

Cited by 8 publications

References 13 publications

Understanding Timelines Within MPEG Standards

Understanding Timelines Within MPEG Standards

Design, Development and Evaluation of an Adaptive and Standardized RTP/RTCP-Based Idms Solution

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