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Download Advanced Environments, Tools, and Applications for Cluster by Wolfgang Gentzsch (auth.), Dan Grigoras, Alex Nicolau, PDF

By Wolfgang Gentzsch (auth.), Dan Grigoras, Alex Nicolau, Bernard Toursel, Bertil Folliot (eds.)

Started by way of small crew of popular scientists with the purpose of sharing wisdom, reviews, and effects on all features of cluster computing, the initiative of a workshop on cluster computing bought extra awareness after IFIP WG 10.3 and IEEE Romania part authorised our request for sponsorship. furthermore, the applying for a NATO ARW provide used to be winning, resulting in a better curiosity within the workshop. during this recognize, we need to say that we selected Romania with the intention to allure scientists from significant and japanese eu international locations and increase the cooperation within the sector, within the box of cluster computing. We had a really few minutes to prepare the development, yet many of us joined us and enthusiastically contributed to the method. The luck of the workshop is absolutely as a result exertions of the organizing committee, participants of this system committee, key audio system, audio system from undefined, and authors of authorized papers. The workshop consisted of invited and average paper shows, via discussions, on many vital present and rising issues starting from sheduling and cargo balancing to grids. the main audio system dedicated their time and efforts to offering the main attention-grabbing result of their learn teams, and all of us thank them for this . All papers have been peer reviewed by way of or 3 reviewers.

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Extra resources for Advanced Environments, Tools, and Applications for Cluster Computing: NATO Advanced Research Workshop, IWCC 2001 Mangalia, Romania, September 1–6, 2001 Revised Papers

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18 B. Folliot et al. Fig. 1. The VVM architecture. Once the VVM has loaded a VMLet, it adapts/extends itself so that it contains the semantic and functionnalities of the described virtual machine. Hence there’s only one meta-level: the VVM becomes the VM described in the VMLet, thus the performances should be equivalent to the similar “hand-coded” virtual machine. Then, applications written for this environment can be loaded and executed as if they were running on a dedicated VM. Dynamic extensibility comes from the ability to add and/or redefine “on the fly” everything in the environment, in response to requirements or execution conditions change.

From simple schemes, where scalability and flexibility were of no concern, they evolved towards associative and mobile agents solutions. There are logically centralized solutions, where global directories store addressing information for existing resources, and de-centralized ones, where interrogating local managers identifies resources [12]. 2 Communication and Coordination among Entities Communication plays a major role in distributed computing. It should be reliable and fast. Most systems use Internet TCP/IP or UDP/IP protocols, although faster protocols like VIA (Virtual Interface Architecture), Active Messages or Fast Messages are available.

Concerning active networks, work is being done on a generalisation of existing protocols, to achieve Active Active Networks. In AAN, the active protocols and the deployment protocols are dynamically instantiated on the machines. The Virtual Virtual Machine may look as an ambitious project, but it seems to be highly relevant to address many current and upcoming topics like set-topboxes, active networks, mobile telephony and embedded systems, to name but a few. References 1. O. Aubert, A. Beugnard, Towards a Fine-Grained Adaptivity in Web Caches, in Proceedings of the 4th International Web Caching Workshop, April 1999.

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