Projects / is a system architecture for pervasive computing. It provides an integrated and comprehensive framework for building pervasive applications. It includes a set of services, such as service discovery, checkpointing, and migration. These services help developers structure applications, and they directly simplify the task of coping with constant change.

Operating Systems

Recent releases

  •  28 Jan 2002 21:16

    Release Notes: Several bugfixes and minor feature additions, and stabler discovery server elections.

    •  21 Sep 2001 20:50

      Release Notes: Many performance improvements, a Migration rewrite for improved stability, and Part II of the tutorial has been posted.

      •  31 Aug 2001 03:45

        Release Notes: Many performance and stability improvements in the core architecture, new support for building GUI-based applications in, improvements to the applications (Emcee manages users and their applications, while Chat provides text and audio messaging).

        •  24 Jul 2001 22:19

          Release Notes: This is a bugfix release. Most importantly, migration works again.

          •  18 Jul 2001 20:51

            Release Notes: This version includes fewer bugs, more features (focusing on security, isolation, and automatic configuration), a cleaner API, and a group chat application running on top of


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