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draft-ietf-conex-concepts-uses

draft-ietf-conex-concepts-uses. B. Briscoe, Ed. R. Woundy, Ed. Cooper, Ed. IETF 82. Status. Major rev from -02 to -03 -03 published Oct 31 L ist feedback since then. -02 Contents -03 Contents. 1. Introduction 2. Concepts 2.1. Congestion

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draft-ietf-conex-concepts-uses

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  1. draft-ietf-conex-concepts-uses B. Briscoe, Ed. R. Woundy, Ed. Cooper, Ed. IETF 82

  2. Status • Major rev from -02 to -03 • -03 published Oct 31 • List feedback since then

  3. -02 Contents -03 Contents • 1. Introduction • 2. Concepts • 2.1. Congestion • 2.2. Congestion-Volume • 2.3. Rest-of-Path Congestion • 2.4. Definitions • 3. Core Use Case: Informing Traffic Management • 3.1. Use Case Description • 3.2. Additional Benefits • 3.3. Comparison with Existing Approaches • 4. Other Use Cases • 5. Deployment Arrangements • 6. Security Considerations 1. Introduction 2. Concepts 2.1. Definitions 2.2. Non-Goals of ConEx and Common Misconceptions 3. Traffic Management 3.1. Existing Approaches to Traffic Management 4. Exposing Congestion 4.1. ECN - a Step in the Right Direction 5. ConEx Use Cases 5.1. Inform the Operator's Traffic Management 5.2. Consequence: Incentivise Scavenger Transports 5.3. Consequence: User-Controlled Intra-Class Quality of Service (QoS) 5.4. Other Use-Cases 6. Deployment Arrangements 6.1. Incremental Deployment Features of the Protocol Mechanism 6.2. Per-Network Deployment Concepts 6.3. Single Receiving Network Scenario 6.4. Other Initial Deployment Scenarios 7. Potential Issues or Non-Issues 7.1. Congestion as a Commercial Secret 7.2. Self Congestion 8. Security Considerations 8.1. Information Security

  4. 3 Core Use Case: Informing Traffic Management 3.1 Use Case Description • Borrowed congestion policer language from -abstract-mech • Added DSL example 3.2 Additional Benefits (formerly use cases) • Incentivizing scavenger, facilitating intra-class QoS 3.3 Comparison with Existing Approaches • Consolidated -02 intro text and section about existing approaches

  5. 4 Other Use Cases • Added informing capacity provisioning use case • Removed preventing congestion collapse use case 5 Deployment Arrangements • Replaced -02 text with discussion of minimum deployment requirements and pointer to draft-briscoe-conex-initial-deploy-00 6 Security Considerations • Punted to -abstract-mech

  6. Removed since the -02 • Non-goals and misconceptions • Discussion of ECN insufficiency • Potential issues or non-issues: trade secrecy of congestion, self-congestion

  7. Open issues • Is congestion policer description too much mechanism for this draft? (ticket 4) • Sec 3.1 could use a numeric example (ticket 6) • Congestion policer definition missing (ticket 3) • Terminology nits (tickets 1, 2, 5)

  8. Next step • WGLC

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