Title :
Performance of video storage hierarchy in interactive video services networks
Author :
Bianchi, Giuseppe ; Melen, Ricardo ; Rainoni, Alessandro
Author_Institution :
Dipartimento di Elettronica e Inf., Politecnico di Milano, Italy
Abstract :
This paper examines a network architecture designed to offer interactive video services to residential subscribers. Its main feature consists in the possibility of storing heavily requested material in video “cache” locations at the local switch level. Various policies for the management of the resulting hierarchical storage system are defined, and their effectiveness is evaluated via simulation. A simple evaluation of the cost trade-off between distributing video programs in local memories and keeping them in a centralized video server is carried out as well, considering both leased line and switched line solutions for long distance transmission. The difference due to the non-stationary behaviour of the user requests is also evaluated
Keywords :
cable television; cache storage; digital simulation; interactive video; network servers; simulation; storage management; centralized video server; cost trade-off; hierarchical storage system management; interactive video services; interactive video services networks; leased line; local memories; local switch; long distance transmission; network architecture; nonstationary behaviour; performance; simulation; switched line; user requests; video cache; video programs distribution; video storage hierarchy; Algorithm design and analysis; Cache memory; Cache storage; Computer architecture; Costs; Intelligent networks; Large-scale systems; Network servers; Protocols; Switches;
Conference_Titel :
Global Telecommunications Conference, 1995. GLOBECOM '95., IEEE
Print_ISBN :
0-7803-2509-5
DOI :
10.1109/GLOCOM.1995.502042
