. 1 .interligent game network 2. video distribution network 3. information retrieval network The second and the third topic seem interesting for me information retriveal for video distribution network problem:..? 1. how to describe the video mpeg7 2. how?? To Distribute THEO AND DESCIRBE INFO? (How to Replica the for Efficiency?) 3. Failure Tolerance Issue 4. Node Join, Node Depart Scheme Sign, Just Thinking