1. CASP – Future Work Plans and Ideas Henning Schulzrinne & LQS team August 27, 2002

2. © Siemens, 2001ICM templ-1-o-example.ppt 12/07/2001Page 2 CASP – Future work Implementation –Message layer (in-band, hop-by-hop) likely, Linux or FreeBSD –Discovery mechanisms routing-based (OSPF) scout protocol –QoS client –out-of-band messaging "bandwidth broker" or NAC model –integrate with traffic control e.g., ALTQ Enhancements –use with BGRP for sink-tree reservations –investigate tunnels

3. © Siemens, 2001ICM templ-1-o-example.ppt 12/07/2001Page 3 CASP future work Performance analysis –message handling –TCP and TLS set-up overhead –maximum number of simultaneous connections Specify additional client protocols –NAT and firewall control ("midcom") –MPLS or lightpath setup? –denial-of-service traffic filter? –router QoS management  gather performance statistics Interaction with AAA –authentication, authorization and accounting –something other than COPS? IETF –submit Internet Draft to IETF NSIS working group –pursue standardization

4. © Siemens, 2001ICM templ-1-o-example.ppt 12/07/2001Page 4 CASP future work Planned projects and implementations: –CASP implementation in project SeQoMo-LQS (TU Berlin) –CASP implementation at Columbia University –Use within KING and Aquila projects? –Implementation of basic CASP and security aspects in master thesis (CT IC 3) –Implementation of QoS client layer in master thesis (ICM N PG SP) Planned project LQS II starting September 2002 Continue LQS II as part of the NSIS activity at Siemens –Key players: LQS core team & Robert Hancock (RMR) Possible collaboration with Siemens optical switching group