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Graphics Interchange Format  |  1999-07-12  |  36.5 KB  |  482x377  |  4-bit (16 colors)
   ocr: WItROUT internet saching Protooor (ICP) Remotesites TSP terret one a d asca Withinternet Caonine Protocot Renste site ISP oterres - e6 Ae 2 - Neos serex Internst acning Protocois When the user in scenario requests a Web object, the cache: checks whether it has stored the object in memory.l If the cache. has not stored the object, it forwards the request to the source Web server, which responds with the object. In scenario 2, the same request is accepted by the cache, which polls the upstream cache at the ISP to see: whether it has acopy of the object., If so, the ISP's cache returns the object ...