P2P-LTR (P2P Logging and Timestamping for Reconciliation)
Participants : William Kokou Desdoe, Esther Pacitti [ contact ] , Mounir Tlili, Patrick Valduriez.
P2P-LTR provides two major functions: logging of user actions in a DHT and continuous, distributed timestamping of these actions. This is useful to perform reconciliation of replicated data. P2P-LTR extends KTS with continuous timestamping and logging of actions. To perform reconciliation using P2P-LTR, we use a simple reconciliation algorithm based on operational transforms, called SB, from the ECOO team at LORIA and readily available as Open Source Software. P2P-LTR has been implemented in Java on top of OpenChord. It has been validated in the Strep Grid4All and RNTL Xwiki Concerto projects to perform reconciliation of replicated documents in a P2P wiki system.