Scalable Delivery of Dynamic Content Using a Cooperative Edge Cache Grid

In recent years, edge computing has emerged as a popular mechanism to deliver dynamic Web content to clients. However, many existing edge cache networks have not been able to harness the full potential of edge computing technology. In this paper, we argue and experimentally demonstrate that cooperat...

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Vydáno v:IEEE transactions on knowledge and data engineering Ročník 19; číslo 5; s. 614 - 630
Hlavní autoři: Ramaswamy, Lakshmish, Liu, Ling, Iyengar, Arun
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York, NY IEEE 01.05.2007
IEEE Computer Society
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Applied sciences
Benchmarking
cache clouds
Cloud computing
Computational modeling
Computer architecture
Computer science; control theory; systems
Computer systems and distributed systems. User interface
Cooperative caching
Data processing. List processing. Character string processing
Dynamic content caching
Dynamics
edge computing
Exact sciences and technology
Frequency
Grid computing
Large-scale systems
Learning theory
Marketing
Memory organisation. Data processing
Network servers
Networks
On-line systems
Protocols
Regularization
Scalability
Simulation
Software
Scalability
Clouds
Cache memory
edge computing
Architectural design
Grid
Updating
Distributed system
Fault tolerance
World wide web
Hashing
Dynamic content caching
Internet
Reliability
cooperative caching
Computer server
cache clouds
ISSN:1041-4347, 1558-2191
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Shrnutí:In recent years, edge computing has emerged as a popular mechanism to deliver dynamic Web content to clients. However, many existing edge cache networks have not been able to harness the full potential of edge computing technology. In this paper, we argue and experimentally demonstrate that cooperation among the individual edge caches coupled with scalable server-driven document consistency mechanisms can significantly enhance the capabilities and performance of edge cache networks in delivering fresh dynamic content. However, designing large-scale cooperative edge cache networks presents many research challenges. Toward addressing these challenges, this paper presents cooperative edge cache grid (cooperative EC grid, for short)-a large-scale cooperative edge cache network for efficiently delivering highly dynamic Web content with varying server update frequencies. The design of the cooperative EC grid focuses on the scalability and reliability of dynamic content delivery in addition to cache hit rates, and it incorporates several novel features. We introduce the concept of cache clouds as a generic framework of cooperation in large-scale edge cache networks. The architectural design of the cache clouds includes dynamic hashing-based document lookup and update protocols, which dynamically balance lookup and update loads among the caches in the cloud. We also present cooperative techniques for making the document lookup and update protocols resilient to the failures of individual caches. This paper reports a series of simulation-based experiments which show that the overheads of cooperation in the cooperative EC grid are very low, and our architecture and techniques enhance the performance of the cooperative edge networks.
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ISSN:1041-4347
1558-2191
DOI:10.1109/TKDE.2007.1031