Authors' Addresses

Morten Jagd Christensen Thrane & Thrane Lundtoftegaardsvej 93 D 2800 Lyngby DENMARK

EMail: [email protected]

Karen Kimball Hewlett-Packard 8000 Foothills Blvd. Roseville, CA 95747 USA

EMail: [email protected]

Frank Solensky Calix 1035 N. McDowell Blvd. Petaluma, CA 94954 USA

EMail: [email protected]