| G. Barish and K. Obraczka. World Wide Web Caching: Trends and Techniques. IEEE Communications Magazine, Vol. 38, No. 5, pp. 178-185, 2000. |
....before that time. However, for dynamically generated documents that change on every request, this feature must be disabled the expiration time is always set to now , voiding the benefits of caching. Even though most caching schemes consider all dynamically generated documents non cachable [20, 3], a few proposals for attacking the problem have emerged [24, 1 16, 7, 11, 6, 8] However, as described below, these proposals are typically not applicable for highly dynamic documents. They are often based on the assumptions that although a document is dynamically generated, 1) its construction ....
Greg Barish and Katia Obraczka. World Wide Web caching: Trends and techniques. IEEE Communications Magazine Internet Technology Series, May 2000.
....services have led to the introduction of proxies and cluster based server architectures. Boomerang (from Cisco) Squid, and Akamai are example architectures. Proxies and clusters provide a means for rapid information access, especially during periods of high demand for some particular data [58] [59]. To balance the load among servers, the content of the HTTP request can be considered in making the request routing decision. DNS based approaches are not as powerful, since they resolve the destination server address without examining the HTTP request. The request content can be used to redirect ....
G. Barish and K. Obraczka, "World Wide Web Caching: Trends and Techniques," in IEEE Communications Magazine, Internet Technology Series, May 2000.
....with respect to the request routing table size is also presented. Keywords: autonomy oriented computation, self organization, adaptive proxy server 1. Introduction The Internet is growing exponentially and web caches have been shown to be a feasible way to reduce the overall network tra#c [3, 6, 18] . Web servers store web objects, which are requested by clients spread over the global network. A web cache, or proxy, is usually placed between clients making requests and web servers servicing the requests. It will try to resolve the needed object by its local cache. The Internet tra#c is ....
....a specific object has been requested. Table Ib. A sample multiple table OBJ ID PROXY LAST AVG HITS www.xy64 [8] 2252 70 2 www.xy55 THIS 4253 75 2 www.xy13 [1] 4154 83 34 www.xy644 THIS 6555 90 2 www.xy52 [4] 3356 123 42 Table Ic. A sample cache table OBJ ID PROXY LAST AVG HITS www.xy6 [3] 1152 2 434 www.xy5 THIS 5453 5 342 www.xy33 [2] 5254 6 211 www.xy44 THIS 6755 10 432 www.xy2 THIS 8356 15 43 It should be pointed out that we intentionally do not use the HITS value to compute the average request time but focus solely on the time di#erence between the last two requests. In ....
G. Barish and K. Obraczka. World wide web caching: Trends and techniques. IEEE Communications Magazine, May 2000.
....on the server. With the advent of these individual, personalized Web pages, the usual caching schemes are easily defeated. Unfortunately, this has become true for the majority of the pages because the percentage of dynamically generated pages is fast increasing, as a recent survey indicates [1]. For these reasons, every Web programming environment that can create dynamic content should also provide a caching strategy that alleviates the load of the network. Many schemes work a posteriori by employing designated cache server proxies that cache dynamic documents and obtain information ....
Greg Barish and Katia Obraczka. World Wide Web caching: Trends and techniques. IEEE Communications Magazine Internet Technology Series, May 2000.
....every information access to result in a data flow from the server to the client (if applicable via one or several adaptation proxies) On the other hand, today s Internet providers tend to avoid unnecessary data flows between servers and clients. Therefore, several web caching techniques (cf. [4, 5]) have been developed and deployed. Besides the widely used approach of proxy caching (e.g. 6, 7] Content Delivery Networks (CDN, cf. 8, 9] rely on distributed caching of web contents to improve the performance of web accesses. Web caching exploits sharing effects and temporal locality in ....
....can be considered an adaptation step in the adaptation path. In addition to caching architectures, cache replacement and admittance policies, cache coherency, deployment options, and implementation details have been subject to research. An overview of research issues in web caching is given in [4, 5]. Content adaptation research is another area with relevance to our approach. Early efforts date back to the DeleGate Gopher proxy [22] for Kanji transcoding that started in 1994. Leveraging content adaptation to adapt to the capabilities of mobile devices was investigated by the Daedalus project ....
Barish, G., Obraczka, K.: World Wide Web Caching: Trends and Techniques. In: IEEE Communications, Internet Technology Series (2000).
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G. Barish and K. Obraczka. World Wide Web Caching: Trends and Techniques. IEEE Communications Magazine, Vol. 38, No. 5, pp. 178-185, 2000.
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G. Barish and K. Obraczka. World Wide Web Caching: Trends and Techniques. IEEE Communications Magazine, Vol. 38, No. 5, pp. 178-185, 2000.
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G. BARISH AND K. OBRACZKA. World Wide Web Caching: Trends and Techniques. IEEE Communications Magazine (May 2000).
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G. Barish and K. Obraczka. World Wide Web caching: Trends and techniques. IEEE Communications Magazine, 38(5):178--184, 2000.
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G. Barish and K. Obraczka. World Wide Web Caching: Trends and Techniques. IEEE Communications Magazine, May 2000.
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G. Barish and K. Obraczka, "World Wide Web caching: Trends and techniques," IEEE Communications Magazine, pp. 178--185, May 2000.
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Greg Barish and Katia Obraczka, "World Wide Web caching: Trends and techniques," IEEE Communication Magazine, pp. 178--185, May 2000.
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G. Barish and K. Obraczka, "World Wide Web Caching: Trends and Techniques," IEEE Commun. Mag., vol. 38, no. 5, May 2000, pp. 178--185.
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G. Barish and K. Obraczka. World Wide Web caching: Trends and techniques. IEEE Communications Magazine, Internet Technology Series, 38(5):178--184, May 2000.
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G. Barish and K. Obraczka, "World Wide Web Caching: Trends and Techniques", IEEE Communications Magazine, Internet Technology Series, May 2000.
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G. Barish and K. Obraczka, "World wide web caching: Trends and techniques," IEEE Commun. Mag., pp. 178--184, May 2000.
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G. Barish, K. Obraczka, World Wide Web Caching: Trends and Techniques, IEEE Communications Magazine Internet Technology Series, May 2000.
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G. Barish and K. Obraczka, "World Wide Web Caching: Trends and Techniques," IEEE Communications, Vol. 38, No. 5, May 2000, pp. 178-184.
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G. BARISH AND K. OBRACZKA, World Wide Web caching: Trends and techniques, IEEE Communications Magazine, Internet Technology Series, 38 (2000), pp. 178--184.
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G. Barish and K. Obraczka. World wide web caching: Trends and techniques, 2000.
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G. Barish and K. Obraczka, "World Wide Web Caching: Trends and Techniques," IEEE Communications, Vol. 38, No. 5, 2000, pp. 178-184.
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G. Barish and K. Obraczka, "World Wide Web caching: Trends and techniques," IEEE Communications Magazine , pp. 178--185, May 2000.
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G. Barish and K. Obraczka, "World Wide Web Caching: Trends and Techniques," IEEE Communications, 38, (5), May 2000, 178-184.
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G. Barish and K. Obraczka, "World wide web caching: Trends and techniques, " IEEE Communications Magazine, vol. 38, no. 5, pp. 178--184, May 2000.
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G. Barish and K. Obraczka. World wide web caching: Trends and techniques. IEEE Communications Magazine Internet Technology Series, May 2000.
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