The IBM Scalable and Highly Available Web Server offers Web services via a Scalable Parallel (SP-2) System or a cluster of RS/6000 workstations. This server is built to support a large number of concurrent users, and has support for scalability, high bandwidth, real-time multimedia delivery, fine-grained load balancing and high availability. Some of this technology was presented at COMPCON, 1996, and used in the Web Server for the 1996 Summer Olympics.
The Clustered Video and Web Server Prototype is built with 8 nodes and provides 16 GBytes of storage. It is designed to support:
Large Multimedia Files
Concurrent Read/Write Accesses to these Multimedia Objects
Real-Time Access to Video Data
High Access Bandwidth
Fine-grained Load Balancing across Nodes Efficient Back-End Database Access Scalable Collaboratory Servers
High Availability The major components of the Clustered Video and Web Server are:
TCP Router Tiger Shark (Multimedia File System) Calypso Cluster File System and Token Manager Virtual Shared Disk High Availability Subsytem DB2WWW, Connection Manager and Cache Manager Collaboratory ServersPublications on these subsystems are available as IBM Research Reports and papers presented at external conferences.
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SP Scalable Video and Web Server
The above software components are also used with a Control Server in a Video Server Complex.
Rajat Mukherjee <rajatm@watson.ibm.com>
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