Traffic Management is the key feature of ATM that distinguishes it from current networking protocols and makes it suitable for deployment in high-speed networks and for providing performance guarantees in an integrated environment.

ATM Forum has developed three different service categories for data: Available Bit Rate (ABR) service using explicit feedback, Unspecified Bit Rate (UBR) with no best effort (no guarantees), and Guaranteed Frame Rate (GFR) with minimum throughput guarantees.

Issues in performance of TCP/IP over each of these three services will be presented. Ways to improve the performance will also be discussed. In case of GFR, design issues related to buffering and queueing will be described.

This talk covers the following topics:

• TCP/IP over ATM using ABR, UBR, and GFR Services
• Why ATM?
• Old House vs New House
• Dime Sale
• Future
• Traffic Management on the Info Superhighway
• Traffic Mgmt Functions
• Service Categories
• Service Categories
• ABR: Binary vs Explicit Rate
• Why Explicit Rate Indication?
• Internet Protocols over ATM
• ABR or UBR?
• ABR vs UBR
• Improving Performance of TCP over UBR
• Policies
• Policies: Results
• Guaranteed Frame Rate (GFR)
• Guaranteed Rate Service
• Guaranteed Rate: Results
• GFR: Results
• Differential Fair Buffer Allocation
• VS/VD
• Summary
• Our Contributions and Papers

Presentation slides in Adobe Acrobat Format: 1 slide/page