Build a grid application with Python, Part 2: Communication

Grid components need to talk to each other. The distributor needs to talk to the grid providers, the providers need to talk back, and clients and management tools need to talk to the distributor and providers. Providers may need to talk to each other, or they may need to look up information from another machine to determine information or status information from the grid. In this tutorial the author looks at ways to handle communication in a Python grid framework, from the basics of the TCP/IP system to the simplified, externally managed e-mail solution.