|
PlanetLab is a global platform for evaluating
and deploying network services. It currently includes over 600 nodes
spanning nearly 300 sites and 30 countries, and hosts over 400 experimental
services. PlanetLab must satisfy a unique set of sometimes
contradictory requirements, and based on our experiences building PlanetLab
over the last three years, we are now able to define an architecture that
satisfies these requirements. This talk identifies the requirements,
presents the design principles that follow from them, and outlines the
resulting PlanetLab architecture. It also briefly discusses some of the
lessons we learned about building large network systems.
|