Application-Layer Traffic Optimization (ALTO) Protocol

Kiesel, S.; Previdi, S.; Roome, W.; Shalunov, S.; Woundy, R.

doi:10.17487/rfc7285

Cited by 34 publications

(7 citation statements)

References 10 publications

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“…In [20] the authors analyze the advantages of commonly planning the location of the CDN caches considering the topology of the network. Recent work in [21] proposes a further integration of the CDN and the ISP network by leveraging on BGP-LS [22] for advertising topological information and ALTO server [23] for automatically providing the CDN with up-to-date network and cost maps.…”

Section: A Integration Of Cdn On Service Providers' Networkmentioning

confidence: 99%

Efficiency Gains due to Network Function Sharing in CDN-as-a-Service Slicing Scenarios

Contreras

Solano

Cano

et al. 2021

2021 IEEE 7th International Conference on Network Softwarization (NetSoft)

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The consumption of video contents is currently dominating the traffic observed in ISP networks. The distribution of that content is usually performed leveraging on CDN caches storing and delivering multimedia. The advent of virtualization is bringing attention to the CDN as use case for virtualizing the cache function. In parallel, there is a trend on sharing network infrastructures as a way of reducing deployment costs by ISPs. Then, an interesting scenario emerges when considering the possibility of sharing virtualized cache functions among ISPs sharing a common physical infrastructure, mostly considering that usually those ISPs offer similar content catalogues to final end users. This paper investigates through simulations the potential efficiencies that can be achieved when sharing a virtual cache function if compared to the classical approach of independent virtual caches operated per ISP.

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Section: A Integration Of Cdn On Service Providers' Networkmentioning

confidence: 99%

Efficiency Gains due to Network Function Sharing in CDN-as-a-Service Slicing Scenarios

Contreras

Solano

Cano

et al. 2021

2021 IEEE 7th International Conference on Network Softwarization (NetSoft)

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“…ALTO-based interface [40]: ALTO, at its core, denes two dierent types of mapping information. First, it creates the network map that denes clusters of network position identiers (PIDs) e.g., routers, prexes, etc.…”

Section: Northbound Interface -Hyper-giant Interface(s)mentioning

confidence: 99%

Steering hyper-giants' traffic at scale

Pujol¹,

Poese²,

Zerwas³

et al. 2019

Proceedings of the 15th International Conference on Emerging Networking Experiments and Technologies

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Large content providers, known as hyper-giants, are responsible for sending the majority of the content trac to consumers. These hyper-giants operate highly distributed infrastructures to cope with the ever-increasing demand for online content. To achieve commercial-grade performance of Web applications, enhanced enduser experience, improved reliability, and scaled network capacity, hyper-giants are increasingly interconnecting with eyeball networks at multiple locations. This poses new challenges for both (1) the eyeball networks having to perform complex inbound trac engineering, and (2) hyper-giants having to map end-user requests to appropriate servers. We report on our multi-year experience in designing, building, rolling-out, and operating the rst-ever large scale system, the Flow Director, which enables automated cooperation between one of the largest eyeball networks and a leading hyper-giant. We use empirical data collected at the eyeball network to evaluate its impact over two years of operation. We nd very high compliance of the hyper-giant to the Flow Director's recommendations, resulting in (1) close to optimal user-server mapping, and (2) 15% reduction of the hyper-giant's trac overhead on the ISP's long-haul links, i.e., benets for both parties and end-users alike.

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“…Kamiyama et al 21 analyze the advantages of commonly planning the location of the CDN caches considering the topology of the network. Recent work in Zhang et al 22 proposes a further integration of the CDN and the ISP network by leveraging BGP‐LS 23 for advertising topological information and ALTO server 24 for automatically providing the CDN with up‐to‐date network and cost maps. Furthermore, taking profit of potential network reconfiguration (e.g., at optical network layer), joint optimization of CDN, and service provider resources could be achieved 25 …”

Section: Related Workmentioning

confidence: 99%

Analysis of network function sharing in Content Delivery Network‐as‐a‐service slicing scenarios

et al. 2023

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Video content consumption is currently dominating the mix of traffic observed in Internet service provider (ISP) networks. The distribution of that content is usually performed by means of content delivery network (CDN) caches storing and delivering multimedia. The advent of virtualization is calling attention to the CDN providers as a use case for virtualizing the cache function. In parallel, there is a trend for sharing network infrastructures as a way of reducing deployment costs by ISPs. Then, an interesting scenario emerges when considering the possibility of sharing virtualized cache functions among ISPs which are sharing a common physical infrastructure, mostly considering that those ISPs offer similar video content catalogs to end users. Furthermore, when deciding to share the caches among ISPs, it is interesting to understand the impacts due to limiting the storage capacity at the edge sites. This paper investigates through simulations the potential efficiencies that can be achieved when sharing a virtual cache function if compared with the classical approach of independent virtual caches operated per ISP, as well as the implications of limiting the storage capacity of the caches at the edge.

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Application-Layer Traffic Optimization (ALTO) Protocol

Cited by 34 publications

References 10 publications

Efficiency Gains due to Network Function Sharing in CDN-as-a-Service Slicing Scenarios

Efficiency Gains due to Network Function Sharing in CDN-as-a-Service Slicing Scenarios

Steering hyper-giants' traffic at scale

Analysis of network function sharing in Content Delivery Network‐as‐a‐service slicing scenarios

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