1. Group Communications at Concordia J. William Atwood High Speed Protocols Laboratory Concordia University Montreal, Quebec, Canada

2. 2007/01/11 Group Communications at Concordia2 Problem Statement No one can make money using multicast Solution Add Security Add User Identification Add (distributed) Accounting

3. 2007/01/11 Group Communications at Concordia3 IETF Mboned Working Group Multicast Accounting Requirements draft-ietf-mboned-macct-req-04.txt Multicast AAA Framework draft-ietf-mboned-multiaaa-framework- 02.txt

4. 2007/01/11 Group Communications at Concordia4 IETF Multicast Accounting Requirements What is needed for a “fully AAA enabled IP multicast network”? Recognition that “proprietary solutions” are not desirable Recognition that requirements include provision of Quality of Service 14 identified functional requirements

5. 2007/01/11 Group Communications at Concordia5 IETF Framework Provides a framework for AAA End User (EU) Content Provider (CP) Network Service Provider (NSP)

6. 2007/01/11 Group Communications at Concordia6 An Architecture for Group Management More interacting components than are discussed in the IETF work Actors Content provider (CP) Merchant (MR) Financial Institution (FI) Network Service Provider (NSP) End User (EU)

7. 2007/01/11 Group Communications at Concordia7 Component Interactions CPMRFI NSP EU

8. 2007/01/11 Group Communications at Concordia8 Requirements Identify participants (Authentication) Authorize Participants (Authorization) Account for resource usage Authenticate sender Confidentiality (if required)

9. 2007/01/11 Group Communications at Concordia9 Subdividing the CP and NSP Content provider Content server Network Service Provider AAA Server Core Routers Access Routers

10. 2007/01/11 Group Communications at Concordia10 Sequence of Actions CPMRFI NSP EU AAASNAS/AR CR RP NAS/ AR

11. 2007/01/11 Group Communications at Concordia11 Status 1 Key management PhD Dissertation on use of Proxy Encryption completed MCS Thesis on Packet Manipulation completed Visiting colleague: paper on use of HIP

12. 2007/01/11 Group Communications at Concordia12 Status 2 User Identification and AAA MCS Thesis on EU/AR/AAAS interactions completed PhD Dissertation on mechanisms and policies in progress – presented today

13. 2007/01/11 Group Communications at Concordia13 Status 3 Deployment PhD Dissertation on deployment strategies and mechanisms almost completed

14. 2007/01/11 Group Communications at Concordia14 Status 4 Securing the business and financial interactions MCS Thesis completed PhD Dissertation beginning

15. 2007/01/11 Group Communications at Concordia15 For more information http://users.encs.concordia.ca/~bill/hspl bill@cse.concordia.ca