Client-Server Link Computations
نویسنده
چکیده
This short paper discusses two issues of hypermedia link management over distributed information collections. The hypermedia system is a client requesting data and computation services from servers, which are autonomous applications such as storage applications and computational applications. The first issue is the distinction between an intranet and the Internet as environments supporting the distributed information collection. The primary distinctions between operating at the Internet level versus at the intranet level are trust and co-operation. The trust between the client and server relates to whether misuse of services can be disciplined and hence prevented; the co-operation relates to issues of availability and comprehensibility of data, and notification of changes to content or availability. The second issue is one of supply and demand of data retrieval and link computation services. The question of who defines/creates the service to be performed versus who executes/computes the service is particularly topical at present, with mobile code permitting operations to be defined at one site but executed at another. This makes four possible cases arising, and the recent arrival of client-defined/server-executed script technologies completes the spectrum of client-server link computation options.
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تاریخ انتشار 2007