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COMCOM
1998

Using proxies to enhance TCP performance over hybrid fiber coaxial networks

12 years 5 months ago
Using proxies to enhance TCP performance over hybrid fiber coaxial networks
Using cable modems that operate at several hundred times the speed of conventional telephone modems, many cable operators are beginning to offer World Wide Web access and other data services to residential subscribers. Initial experiences indicate that real-world Hybrid Fiber Coaxial (HFC) networks are susceptible to a variety of radio-frequency impairments that significantly reduce the benefits of using high-speed cable modems. The effects of packet losses in the access network are particularly accentuated during subscriber accesses to remote servers on the Internet. The longer round-trip times in such accesses together with the high packet loss rate result in dramatic degradations in performance perceived by subscribers. This paper shows that by using proxy servers to handle all remote accesses from an HFC access network, the performance of remote accesses can be significantly enhanced even in cases when the proxy servers do not function as data caches. By handling packet losses tha...
Reuven Cohen, Srinivas Ramanathan
Added 21 Dec 2010
Updated 21 Dec 2010
Type Journal
Year 1998
Where COMCOM
Authors Reuven Cohen, Srinivas Ramanathan
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