W and AWaldvogel & Aschwanden
Roman Pletka
Nicola Aschwanden
Lars Waldvogel
Kinderlieder+Spiele
Marcel Waldvogel
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Scalable Peer-to-Peer Distributed Storage and Grid Storage

Mithos join procedureInterest in distributed storage is fueled by demand for reliability and resilience combined with decreasing hardware costs. Peer-to-peer storage networks based on distributed hash tables are an attractive solution due to their efficient use of resources and resulting performance. The placement and location of replicas in such systems remain open problems, especially in view of dynamic needs and the requirement to update replicated content.

As part of this project, we have been looking at several issues related to distributed storage:

  • Enabling secure communication among cooperating peers using the distributed approach of VersaKey
  • Reliable communication mechanisms and protocols for synchronization, partly in cooperation with the ALMI and EKA projects
  • Providing incentives towards keeping storage promises
  • Maintaining low-overhead routing information in overlay networks, partly in cooperation with ALMI
  • Allowing for finding replicas without requiring additional metadata ("replica enumeration")

Publications

LCN 2004 Bringing Efficient Advanced Queries to Distributed Hash Tables
Talk 2003 Secure Distributed Document Storage Through Peer-to-Peer Technology
Talk 2003 Efficient Document Search and Replica Management in Peer-to-Peer Storage Systems
Technical Report 2003 Dynamic Replica Management in Distributed Hash Tables
Technical Report 2003 Synchronizing Entities in Replicated Log-Structured Databases with Disconnected Operation
P2P 2003 Establishing Trust in Distributed Storage Providers
WET ICE 2003 Indra: A Peer-to-Peer Approach to Network Intrusion Detection and Prevention
HotNets 2002,
CCR 2003		 Efficient Topology-Aware Overlay Network
Technical Report 2002 Routing and Data Location in Overlay Peer-to-Peer Networks
WET ICE 2001 EKA: Efficient Keyserver using ALMI
USITS 2001 ALMI: An Application Level Multicast Infrastructure
Talk 2000 Java-Based Synchronized Keyserver
Talk 2000 Large-Scale Internet Data Distribution
JSAC 1999 The VersaKey Framework: Versatile Group Key Management
WET ICE '98 Efficient Security for Large and Dynamic Multicast Groups

Participants