Cloud‐Based Content Delivery and Streaming

Pathan, Mukaddim

doi:10.1002/9781118909690.ch1

Cited by 10 publications

(11 citation statements)

References 18 publications

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“…We can understand the meaning of the numerical results through a quantitative analysis by separately observing the delivery cost delivery and the service delay serv−delay , which are defined in (2).…”

Section: Connoted Meanings In Numerical Resultsmentioning

confidence: 99%

“…Constraints (3) and (4) ensure that a content request is served by only one cache server. In (2), the dimensions of diss , serv , and serv−delay are assumed to be in the time unit of second. serv and serv−delay come directly from the delay cost ( , ) while diss is expressed by the ratio of the offered traffic load to the effective service capacity.…”

Section: Problem Formulationmentioning

confidence: 99%

“…This growth of mobile video services has introduced a significant challenge for efficient delivery of video content in wireless networks while satisfying user quality of service (QoS) expectations. Content caching [2] has gained rapid growth of interest as a solution to improve content accessibility and QoS as well as to alleviate network congestion. A number of previous research efforts have focused on addressing design strategies for efficient content delivery network systems.…”

Section: Introductionmentioning

confidence: 99%

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Efficient Cache Placement Strategy in Two-Tier Wireless Content Delivery Network

Sung

Kim

Lim

et al. 2016

IEEE Trans. Multimedia

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Internet content caching for multimedia services has received much attention mainly in the field of large-scale wired networking as a primary solution to save network resources and improve quality of service (QoS). Rapidly increasing consumption of multimedia content in mobile networks brings a challenge of how to efficiently deliver content in local wireless access networks. Cache embedment in wireless mesh environment is an intriguing attempt to enhance the QoS and service capacity, leading to the question of how to design an efficient content delivery network considering the inherent characteristics of the wireless environment. We propose and investigate an efficient cache placement strategy in novel two-tier wireless content delivery networks, which utilize separate channels for content dissemination and content service. Such a two-tier network system model helps achieve much better content delivery performance with a greatly reduced system design complexity compared to single-tier network system models. Further, we incorporate a delay cost due to contention, which is mainly responsible for performance in shared-medium wireless networks, as a key metric for cache placement under the system model. After formally formulating the cache placement problem, we propose a cross-layer heuristic algorithm and demonstrate its performance compared with an optimal solution by integer linear programming. Simulation results show significant performance improvements by our strategy compared to the performance of existing representative strategies in terms of service delay, packet delivery ratio, and the amount of delivered packets within a given delay deadline.Index Terms-Wireless content delivery network, two-tier architecture, cache placement, contention, cross-layer design.Jihoon Sung works toward a Ph.

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Section: Connoted Meanings In Numerical Resultsmentioning

confidence: 99%

Section: Problem Formulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Efficient Cache Placement Strategy in Two-Tier Wireless Content Delivery Network

Sung

Kim

Lim

et al. 2016

IEEE Trans. Multimedia

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“…One solution to mitigate those issues is to use Content Delivery Networks (CDNs). CDNs have been used to improve video streaming Quality of Experience to end-users while at the same time limiting the need for Content Providers (CP) to own an infrastructure [6]. By massively deploying servers in strategic locations, CDN Providers assign users to a close-by server, thus reducing hop count and avoiding potential congestion occurrences, while ensuring scalability and reliability.…”

Section: Introductionmentioning

confidence: 99%

Content Delivery Networks as a Virtual Network Function: A Win-Win ISP-CDN Collaboration

Herbaut

Negru

Frangoudis

et al. 2016

2016 IEEE Global Communications Conference (GLOBECOM)

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The switch in video delivery from traditional medium to Over-The-Top (OTT) based services has been a game changer for stakeholders of the media delivery ecosystem. It has changed the value chain enabling Content Delivery Networks and Content Providers to take the lion's share at the expense of Internet/Network Service Providers. Even if establishing collaboration between them naturally appears as the key to provide good Quality of Service to the end-users, they struggle in finding efficient and fair ways to do so. This paper directly tackles this problem and proposes a new model for content delivery actors to collaborate over a Virtualized Infrastructure, fairly balancing the revenue stream created. We list the main challenges and the new technical opportunities to solve them, among which the deployment of a distributed Network Function Virtualization (NFV) platform at the edge of the Internet Service Provider's network where a virtual Content Delivery Network (vCDN) is proposed to be deployed. Furthermore, we apply a game-theoretic analysis to study different ISP-CDN collaboration models and identify optimality conditions for our proposed CDNas-a-Virtual-Network-Function approach.

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“…Uno de los principales problemas que presenta el servicio de distribución de contenido multimedia se debe a la alta heterogeneidad y a la dinámica cambiante de Internet, es decir, un grupo de servidores geográficamente cercanos al usuario no siempre significa un acceso cercano en términos de red (retardo y variabilidad del ancho de banda en el tiempo) [Pathan14].…”

Section: Las Cdn En El Servicio De Distribución Multimediaunclassified

Contribución a los mecanismos de adaptación dinámica para servicios de distribución multimedia sobre redes móviles

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Cloud‐Based Content Delivery and Streaming

Cited by 10 publications

References 18 publications

Efficient Cache Placement Strategy in Two-Tier Wireless Content Delivery Network

Efficient Cache Placement Strategy in Two-Tier Wireless Content Delivery Network

Content Delivery Networks as a Virtual Network Function: A Win-Win ISP-CDN Collaboration

Contribución a los mecanismos de adaptación dinámica para servicios de distribución multimedia sobre redes móviles

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