Extending Wide-Area Replication Support with Mobility and Improved Recovery

We survey the MADIS architecture. It supports high availability, fault tolerance and seamless error recovery in computer networks for distributed web services. MADIS is open for plugging in different protocols for replication, failure resilience and recuperation. We outline ongoing research which aims at improving fault tolerance and error recovery by a dynamic adaptation of protocols plugged into MADIS. Future development of MADIS envisages an extension with functionality supporting web-based services also for mobile users, possibly including an integration of voice and data traffic over a single internet link.

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