1 / 15

Group Communications at Concordia

Group Communications at Concordia. J. William Atwood High Speed Protocols Laboratory Concordia University Montreal, Quebec, Canada. Problem Statement. No one can make money using multicast Solution Add Security Add User Identification Add (distributed) Accounting.

hamlin
Download Presentation

Group Communications at Concordia

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

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

  2. Problem Statement • No one can make money using multicast • Solution • Add Security • Add User Identification • Add (distributed) Accounting Group Communications at Concordia

  3. IETF Mboned Working Group • Multicast Accounting Requirements • draft-ietf-mboned-macct-req-04.txt • Multicast AAA Framework • draft-ietf-mboned-multiaaa-framework-02.txt Group Communications at Concordia

  4. 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 Group Communications at Concordia

  5. IETF Framework • Provides a framework for AAA • End User (EU) • Content Provider (CP) • Network Service Provider (NSP) Group Communications at Concordia

  6. 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) Group Communications at Concordia

  7. Component Interactions CP MR FI NSP EU EU EU Group Communications at Concordia

  8. Requirements • Identify participants (Authentication) • Authorize Participants (Authorization) • Account for resource usage • Authenticate sender • Confidentiality (if required) Group Communications at Concordia

  9. Subdividing the CP and NSP • Content provider • Content server • Network Service Provider • AAA Server • Core Routers • Access Routers Group Communications at Concordia

  10. Sequence of Actions CP MR FI NSP EU AAAS NAS/AR NAS/ AR CR CR EU NAS/AR RP CR CR EU NAS/AR Group Communications at Concordia

  11. 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 Group Communications at Concordia

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

  13. Status 3 • Deployment • PhD Dissertation on deployment strategies and mechanisms almost completed Group Communications at Concordia

  14. Status 4 • Securing the business and financial interactions • MCS Thesis completed • PhD Dissertation beginning Group Communications at Concordia

  15. For more information • http://users.encs.concordia.ca/~bill/hspl • bill@cse.concordia.ca Group Communications at Concordia

More Related