Application Layer Multicast

Allani, Mouna; Garbinato, Benoît; Pedone, Fernando

doi:10.1007/978-3-540-89707-1_9

Cited by 4 publications

(4 citation statements)

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“…P2P applications are typically implemented on top of overlay networks, which act as communication substrate [27]. For example, P2P applications for application-level multicast (ALM) [5] use an overlay network to disseminate messages along a virtual topology. They organise peers into a given logical overlay topology and route disseminated messages through this topology to achieve the desired multicast service.…”

Section: Introductionmentioning

confidence: 99%

“…An overlay network is constructed with given network properties such as latency and bandwidth that are determined by an optimisation goal. A classification of existing overlays [5] revealed that there are three main optimisation goals found across many overlay networks in P2P applications: (1) minimising latency, (2) maximising bandwidth and (3) maximising reliability. Based on this classification, we argue that a flexible middleware solution should be able to consider any of these optimisation goals.…”

Section: Introductionmentioning

confidence: 99%

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Hyphen

Allani

Garbinato

Pietzuch

2013

Proceedings of the 28th Annual ACM Symposium on Applied Computing

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Overlay networks form the core part of peer-to-peer (P2P) applications such as application-level multicast, content distribution and media streaming. To ease development, middleware solutions and toolkit libraries have been proposed in the past to help with the implementation of overlay networks. Existing solutions, however, are either too generic by only providing low-level communication abstractions, requiring developers to implement algorithms for overlay networks from scratch, or too restrictive by only supporting a particular overlay topology with fixed properties. In this paper, we argue that it is possible to find a middle ground between these two extremes.We describe Hyphen, a middleware for overlay construction and maintenance that supports a range of overlay topologies with custom properties, and show how it can replace topology construction for a variety of application-level multicast systems. Unlike previous efforts, Hyphen can construct and maintain a range of overlay topologies such as trees and forests with specific optimisation goals such as low latency or high bandwidth. By using a gossip-based mechanism to define topologies implicitly, Hyphen can scale to many peers and achieve low construction overhead. Our experimental evaluation with Bullet and Splitstream, two P2P streaming systems, shows that Hyphen can construct a bandwidth-optimised tree for Bullet that achieves a higher streaming rate than the original Bullet implementation, and that it can construct a more reliable forest for Splitstream by taking individual peer reliability into account.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Hyphen

Allani

Garbinato

Pietzuch

2013

Proceedings of the 28th Annual ACM Symposium on Applied Computing

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“…Application-layer multicast. To support P2P streaming, a plethora of application layer multicast (ALM) solutions [1] have been proposed with varying properties in terms of throughput, scalability, reliability and delay. A high-level classification of systems defines two main types: gossip-based [5,15,11,18] and overlay-based [16,7,9,13] approaches.…”

Section: Introductionmentioning

confidence: 99%

“…The overlay network is constructed with given constraints on network properties such as latency and bandwidth that are determined by an optimisation goal. Existing proposals differ in their optimisation goals [1], including minimising latency [17,19,9], maximising throughput [13,16,7] and achieving scalability [22,4], churn resilience or reliability [8,2,12].…”

Section: Introductionmentioning

confidence: 99%

Chams: Churn-aware overlay construction for media streaming

Allani

Garbinato

Pietzuch

2012

Peer-to-Peer Netw. Appl.

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Overlay networks support a wide range of peer-to-peer media streaming applications on the Internet. The user experience of such applications is affected by the churn resilience of the system. When peers disconnect from the system, streamed data may be delayed or lost due to missing links in the overlay topology. In this paper, we explore a proactive strategy that constructs a churn-aware overlay network that reduces the potential of future disruptions caused by churn events.We describe Chams, a middleware solution for overlay network construction that mitigates the impact of churn. Chams uses a hybrid approach that implicitly defines an overlay topology using a gossip-style mechanism that takes the reliability of peers into account. Unlike existing solutions for reliable overlay construction, Chams supports a variety of topologies used in media streaming systems, such as trees, multi-trees and forests, and can be applied to existing systems. We evaluate Chams with different topologies and show that it reduces the impact of churn, while imposing low computational and message overheads.

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Design and Realization of ALM-over-IPM multicast model based on IPv4-IPv6 hybrid network

Jiang

Hui

2011

2011 International Conference on Multimedia Technology

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Multicast technology is widely used in the field of video transmission. Firstly, the working mechanism of the traditional IP multicast and the application-layer multicast is described in the paper, and their advantages and disadvantages are analyzed and compared. And then a new ALM-over-IPM multicast model is proposed, and the working mechanism and key technology of it are analyzed. Finally, Simulation environment is constructed, and a test is carried out to validate the feasibility of the new model.

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Application Layer Multicast

Cited by 4 publications

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Hyphen

Hyphen

Chams: Churn-aware overlay construction for media streaming

Design and Realization of ALM-over-IPM multicast model based on IPv4-IPv6 hybrid network

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