Table of Contents
Applications, Flexibility, and Differential Services
What are we trying to do here?
What functions are needed (to provide network QoS)?
A Differential Services Domain
Concatenated Domains
A Bigger Picture
Applications and Performance
Many (types of) Applications can be Adaptive
Adaptive Applications and Network QoS
Sometimes the Application Can Help
A Service-Rich Infrastructure?
But
Diff-serv Revisited
Translating Mechanism to Result
A Key Point (Goal)
Allocated Capacity Profiles
RIO (aka WRED) Mechanism
A Simple Service
A Higher-Level Service
TSW Profile Meter
Reno TCP Allocation
Split Meter Improves Performance
Sender and Receiver Profiles
A Receiver-Based TCP Service
Receiver-Based Details
Reno TCP Allocation (Rcvr)
Interdomain Profile Metering
Some Further Examples
More of the Picture
Scoping the Assurance
Profiles and Provisioning
Differing levels of assurance
Stronger Assurances
Summary
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Author: John Wroclawski
Email: jtw@lcs.mit.edu
Home Page: http://www.internet2.edu/qos/may98Workshop/
Download presentation source
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