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home · events · bactac · 2004-2005 · 
 

BACTAC - Ryan

 
10/26/2004
3:30pm-4:30pm
ECOT 831

Using Event-Based Translation to Support Dynamic Protocol Evolution
Nathan D. Ryan
Department of Computer Science

All systems built from distributed components involve the use of one or more protocols for inter-component communication. Whether these protocols are based on a broadly used "standard" or are specially designed for a particular application, they are likely to evolve. The goal of the work described here is to contribute techniques that can support protocol evolution.

We are concerned not with how or why a protocol might evolve, or even whether that evolution is in some sense correct. Rather, our concern is with making it possible for applications to accommodate protocol changes dynamically. Our approach is based on a method for isolating the syntactic details of a protocol from the semantic concepts manipulated within components.

Protocol syntax is formally specified in terms of tokens, message structures, and message sequences. Event-based translation techniques are used in a novel way to present to the application the semantic concepts embodied by these syntactic elements. We illustrate our approach by showing how it would support an HTTP 1.1 client interacting with an HTTP 1.0 server.

Come see what a thesis defense presentation is like. Nathan -- Dr. Ryan -- defended successfully a few weeks ago.


BACTAC, the Beverage And Chips Tuesday Afternoon Colloquium, is a weekly forum run by graduate students. The goal is provide an informal setting in which anyone can (basically) present anything. In the past, we have had practice talks for conferences and job interviews, research reports, juggle lessons (!), student representative reports, internship discussions, an introduction to ergonomics, and "pay attention to this when you are going to look for job" discussions.

BACTAC is meant to be an informal and social event to promote the interaction among graduate students. BACTAC is typically held every Tuesday, at 3:30pm, in room ECOT 831. Free munchies and drinks are provided.

Please email Caleb Phillips for more information or if you want to be a speaker.

 
See also:
Department of Computer Science
College of Engineering and Applied Science
University of Colorado Boulder
Boulder, CO 80309-0430 USA
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