By Thomas W. Studwell (auth.), Marcus Brunner, Alexander Keller (eds.)

This booklet constitutes the refereed lawsuits of the 14th IFIP/IEEE foreign Workshop on allotted platforms: Operations and administration, DSOM 2003, held in Heidelberg, Germany in October 2002.

The 20 revised complete papers and six revised brief papers offered including a keynote paper have been rigorously reviewed and chosen from a complete of one hundred and five submissions. The papers are geared up in topical sections on self-configuration, peer-to-peer administration, self-optimization and function administration, software administration, self-protection and entry keep watch over, manageability and instrumentation, and context-awareness.

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Extra resources for Self-Managing Distributed Systems: 14th IFIP/IEEE International Workshop on Distributed Systems: Operations and Management, DSOM 2003

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1 Bootstrapping The first part of our experiment aimed at observing the system’s behavior while bootstrapping. Figure 2 presents the system’s fast convergence to a fully operative routing substrate. It shows the average number of routing table rows that are completely filled per node, as a function of the number of cycles elapsed from the experiment’s start. A node’s ith routing table row being completely filled means that the node can route any message whose key shares i − 1 digits with the node’s ID to a peer node whose ID additionally matches the ith digit of the message’s key.

Initially, routing tables are empty, so messages cannot take any steps towards their destinations. However, as routing tables are gradually formed, messages are correspondingly routed through more steps. This diagram is similar to the one of 50 Spyros Voulgaris and Maarten van Steen Number of filled routing table rows 4 # of filled rows 3 2 1 0 0 5 10 15 Cycles 20 25 30 Average routing steps taken 4 Avg. # of routing steps 3 2 1 0 0 5 10 15 20 25 30 Percentage of messages delivered to destination Fig.

Couch, “Chaos out of order: a simple, scalable file distribution facility for ‘intentionally heterogeneous’ networks”, Proc. , 1997. [10] A. Couch and M. Gilfix, “It’s elementary, dear Watson: applying logic programming to convergent system management processes”, Proc. , 1999. 30 [11] Alva L. Couch, “An expectant chat about script maturity”, Proc. , 2000. 37 [12] Alva L. Couch and Noah Daniels, “The maelstrom: network service debugging via ‘ineffective procedures’ ”, Proc. , 2001. 28, 30, 34 [13] A.

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