Here are the collection of papers from WISP98 to appear in PER.

1. "Web proxy caching: the devil is in the details" by Ramon Caceres, Fred Douglis, Anja Feldman, Gideon Glass and Michael Robinovic
2. "Predicting the QoS of an Electronic Commerce Server: Those Mean Percentiles" by Diwakar Krishnamurthy and Jerome Rolia
3. "Better operating system features for faster network servers" by Gaurav Banga, Peter Druschel and Jeffrey C. Mogul
4. "httperf -- A tool for measuring web server performance" by David Mosberger and Tai Jin
5. "Internet service performance failure detection" by Amy Ward, Peter Glynn and Kathy Richardson
6. "Selection algorithms for replicated web servers" by Mehmet Sayal, Peter Scheuermann and Pradek Vingralek