No more deja vu - eliminating redundancy with CacheCast:feasibility and performance gains

Srebrny, Piotr and Plagemann, T. and Goebel, Vera; and Mauthe, Andreas (2013) No more deja vu - eliminating redundancy with CacheCast:feasibility and performance gains. IEEE/ACM Transactions on Networking, 21 (6). pp. 1736-1749. ISSN 1063-6692

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Abstract

Due to the lack of multicast services in the Internet, applications based on single-source, multiple-destination transfers such as video conferencing, IP radio, and IPTV must use unicast. This type of traffic exhibits high redundancy with temporal clustering of duplicated packets. The redundancy originates from multiple transfers of the same data chunk over the same link. We propose CacheCast, a link-layer caching mechanism that eliminates the redundant data transmissions using small caches on links. CacheCast's underlying principles are simplicity and reliability. It is a fully distributed and incrementally deployable architecture. It consists of small caches on links that act independently and a server support that simplifies the link cache operation. Our analysis indicates that transfers of the same data to multiple destinations with CacheCast can achieve near-multicast efficiency in terms of consumed link bandwidth. The implementation of CacheCast proves its feasibility, efficiency, and the improvements of the server.

Item Type:
Journal Article
Journal or Publication Title:
IEEE/ACM Transactions on Networking
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2208
Subjects:
?? SOFTWARECOMPUTER NETWORKS AND COMMUNICATIONSCOMPUTER SCIENCE APPLICATIONSELECTRICAL AND ELECTRONIC ENGINEERING ??
ID Code:
60716
Deposited By:
Deposited On:
14 Dec 2012 11:07
Refereed?:
Yes
Published?:
Published
Last Modified:
21 Sep 2023 01:27