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....user on demand through a Java servlet. IV. SCALABILITY A. Estimated scalability of the system Measurements were taken to estimate the scalability of the implemented system in terms of the number of web pages that it can monitor. The system was implemented using the Grasshopper2 agent platform [Grass] with the Java 1.2 standard development kit on Microsoft Windows 98. Grasshopper2 was chosen because of its compliance with the MASIF specifications [OMG] The agent server used was an Intel Pentium III 450 Megahertz processor on an Intel 440BX platform with 256 Megabytes of PC 100 physical ....

The Grasshopper Agent Platform, web page: http://www.ikv.de/index.html.

....to allow incremental growth in both I O bandwidth and interconnection bandwidth. These modern servers can accommodate a large number of NICs. Their storage I O capacity, however, also increases accordingly. Taking SGI Origin 2000 as an example, it has a sustained storage I O bandwidth of 640 Gbps [2]. Taking full advantage of this bandwidth would require 533 OC 24 NICs. Even if this is feasible, concentrating that many NICs to one server will most likely cause severe congestions in the network. A more practical design would have to sacrifice some of the storageI O capability by employing a ....

Origin2000: The perfect system for evolving compute, memorey, and i/o requirements. Web page at http://www.sgi.com/origin/2000/desk.html.

....[ action , action) expression , exprws) evalorder , evalordws) stepno , Int.toString (1 Lambda.stepCount( 8 4.5 Accessing the parameters of CGI programs The CGI program obtains the values of its parameters, such as expression, from the environment. The mosmlcgi library [2] created by Jonas Barklund, Uppsala, provides access to the parameters (using OS.Process.getEnv from the Basis Library) For instance, mosmlcgi.cgifieldstring expression returns SOME e if the CGI program was invoked with an argument specification expression=e. 4.6 Singlestepping reduction The ....

....integration. Another source of inspiration is Jonas Barklund s summer course The Internet and Programming given at Uppsala University, in which he used SML and the Moscow ML implementation. In that connection he created the mosmlcgi library which provides access to the arguments of CGI scripts [2]. 11 7 Conclusion We have found that Standard ML programs can be given visual user interfaces by exploiting current WWW browser technology and the HTML language. With a modest programming effort this can improve the appeal and usability of some Standard ML programs considerably. One possible ....

J. Barklund. The mosmlcgi library. Web page at http://www.csd.uu.se/~jonas/mosmlcgi/.

....An evident advantage of this first approach is its good scalability. However, conference management is complicated by the characteristics of the architecture, especially as far as security is concerned. A relevant example of this category is the tool suite for MBone, the Multicast Backbone [1]. The alternative, popular especially among commercial systems, employs a centralized architecture based on a conference server which receives the conference streams from the clients operated by the participants and replicates such streams back to all the clients connected. Centralization not ....

The MBone Information Web. Web page http://www.mbone.com.

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The REAL Network Simulator, Web Page http://www.cs.cornell.edu/skeshav/real/overview.html

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