home · mobile · calendar · colloquia · 1997-1998 · 

Colloquium - Gorlick

Distributed Debugging and Monitoring on $5 a Day
Michael Gorlick
The Aerospace Corporation

One of the principal impediments to debugging and monitoring distributed systems is the difficulty of implementing the required infrastructure. If remote debugging and monitoring were universally available at low cost and with little or no implementation effort it might lead to increases in the integrity and robustness of complex distributed systems.

We describe a technique that brings universal distributed debugging and monitoring within easy grasp. The fundamental observation is that HTTP (Hypertext Transport Protocol) is just a general-purpose synchronous RPC (Remote Procedure Call) with the ability to carry arbitrary arguments and results. Consequently, by embedding a small, lightweight web server in the runtime environment of any programming language, it is possible to implement, using standard HTTP and HTML (Hypertext Markup Language), powerful remote debugging and monitoring facilities that can be accessed by anyone equipped with an Internet connection and any one of several widely available web browsers.

This talk describes Joist, an embedded web server developed for just this purpose, its architecture and its use in implementing a remote debugging and monitoring environment for a complex wireless device.

Refreshments will be served immediately before the talk at 3:30pm.
Hosted by Alexander Wolf.

Department of Computer Science
University of Colorado Boulder
Boulder, CO 80309-0430 USA
May 5, 2012 (14:13)