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

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

Started by way of small team of popular scientists with the purpose of sharing wisdom, studies, and effects on all points of cluster computing, the initiative of a workshop on cluster computing bought extra consciousness after IFIP WG 10.3 and IEEE Romania part authorized our request for sponsorship. additionally, the applying for a NATO ARW furnish used to be winning, resulting in a better curiosity within the workshop. during this appreciate, we need to say that we selected Romania so one can allure scientists from valuable and jap ecu nations and enhance the cooperation within the zone, within the box of cluster computing. We had a really little while to prepare the development, yet many folks joined us and enthusiastically contributed to the method. The good fortune of the workshop is completely as a result of labor of the organizing committee, individuals of this system committee, key audio system, audio system from undefined, and authors of authorised papers. The workshop consisted of invited and commonplace paper displays, by means of discussions, on many vital present and rising subject matters starting from sheduling and cargo balancing to grids. the major audio system dedicated their time and efforts to proposing the main attention-grabbing result of their study 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 info 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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B. Folliot, I. Piumarta and F. Ricardi, A Dynamically Configurable, MultiLanguage Execution Platform SIGOPS European Workshop 1998. 7. B. Folliot, I. Piumarta, L. Seinturier, C. Baillarguet and C. Khoury, Highly Configurable Operating Systems: The VVM Approach, in ECOOP’2000 Workshop on Object Orientation and Operating Systems, Cannes, France, June 2000. 8. E. Gamma and al. Design Patterns: Elements of Reusable Object-Oriented Software, Addison-Wesley, 1994. 9. M. Hicks and al. PLAN: A Packet Language for Active Networks, in Proceedings of the International Conference on Functional Programming, 1998.

Although quite limited, the RVM has been used to experiment VMLets programming, and especially in the context of active networks. Active networks represent an emerging application domain that is therefore, as we mentioned, addressed via lots of differents and dedicated solutions, without any interoperability between. From the dozens of existing protocols, we quoted two: PLAN [9] and ANTS [21]. When PLAN rely on packets containing both data and code, ANTS uses a deployment phase. During this phase, the protocols are sent to the routers with a protocol id, after what only data and the id of the protocol to be used needs to be sent.

Concerning the APIs, we mimic PLAN and ANTS ’ones. Thus, by loading such a VMLets, the RVM transforms itself to an active router (that understand PLAN and/or ANTS, depending on what is loaded). As a first result, each VMLet is two order of magnitude smaller than the corresponding original implementation1 . By simply loading the two VMLets, we obtain an active router that is able to proceed both PLAN and ANTS ’s packets. The next logical step is to define a generalisation of the active network application domain, called Active Active Networks, that will allow (i) to select the most appropriate protocol, according to some requirements, at any time; (ii) a dynamic deployment of any active network protocols, giving us an opportunity to explore the different possible strategies between PLAN and ANTS.

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