Jaime Pérez

Reputation 1. The estimation in which one is held; the character attributed to a person, thing, or action;

Aims: Develop new architectures and services based on reputation systems. Enhance existing services by adding the concept of reputation. Find different, efficient ways of representing and using reputation.

Examples: Spam fighting: use reputation as an indicator to include IP addresses into white/black lists. Efficient use of the network: use reputation in peer-to-peer networks to avoid misuse.

White/black listing People include IPs in the white list. Periodic automated checks to move IPs between lists. The white list is used to purge the black list. The black list is checked by the MTAs by querying a DNS zone. Binary reputation!

Reputation in P2P The behaviour of the peers is monitored. The reputation of a peer is used to decide whether to share something with him or not. Based on federation technology to identify peers and track their reputation.

Open Reputation Management Systems OASIS Technical Committee Focused on reputation technologies. Working on terminology and use cases.

Work items Start sharing white/black lists in an automated way (federation?). Start a pilot of a P2P based on reputation technology. …