Information Utility Breakout Expeditions Meeting 8/16/1999

8/16/99Expeditions Diverse OS2 Path to Success Requirement Platform That Can be Built Interesting Questions / Challenges Application that can demonstrate it

8/16/99Expeditions Diverse OS3 Complementary SubProject Fit Each has an independent path to success Powerful multiplier if they play together –whole class of new questions »class of storage vs. degree of replication »speculative rivers via erasure codes –common issues / challenges »delegation of trust vs accessibility I-store DB2 Millennium Ninja DDS svc Ocean CFS IceBerg

8/16/99Expeditions Diverse OS4 Requirements of any information service Storage transmission location - how do you find it? naming- what do you call it? Presentation protection reliability / availability management

8/16/99Expeditions Diverse OS5 Key issues Need to think of each object as data and code At the very least –access interface –indexing interface what about transcoding Reciprocal trust –many ways for a host to verify that client applications are not malicious –much harder for client to verify host is trustworthy