D&S, Ltd. Systems Information

Scalability

ASTERISK PHONE SYSTEM

Current utilization 25%-horizontal scaling server farm approach beyond 400% growth. Estimate 100 concurrent phone legs per server.

SYBASE SYSTEM

Entire database is pre-cached into 8GB of memory. Aggressive near line/off line archival methods keep performance consistent. Larger memory systems available for growth beyond 300% to 400%.

TIGER SOFTWARE

Limited by Sybase performance and performance of terminal servers. Terminal server cpu utilization averages 15%. Growth beyond 400% easily achieved with simple load balancing to a farm of stateless servers.

INTERNAL ACCESS

Current utilization averages 30%. Additional circuits can be added when necessary.