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Microsoft Selects CAI Networks' WebMux to Ensure Availability, Reliability, and Scalability of Live Communications Server 2005 WebMux Ensures Peak Performance and Maximum Availability

(Santa Ana, CA, November. 10, 2004) -
Microsoft® Corp. and CAI Networks announced today that they will work together to incorporate CAI's WebMux™ load balancer into Microsoft Office Live Communications Server 2005 Enterprise and Standard Editions.

WebMux helps deliver the security, availability, and scalability upgrades of the improved architecture of Live Communications Server 2005, which uses a "server pool" to support up to 15,000 active users per server for the Standard Edition and up to 100,000 active users for the Enterprise Edition.

"Live Communications Server 2005's advanced, tiered architecture benefits customers by substantially improving reliability, availability and scalability," said Marc Sanders, Senior Product Manager, Real-Time Collaboration at Microsoft. "The WebMux load balancer helps with data center deployment requirements that are critical to our enterprise customers by providing a low cost, high performance load balancing solution."

Live Communications Server 2005 is an upgrade to Microsoft's standards-based enterprise instant messaging platform, which delivers native federation capabilities, instant messaging, and presence integration with security and scalability especially critical to enterprise customers.

WebMux ensures the availability and performance of Live Communications Server by providing reliable traffic management, scalability, and security. These key factors were validated in interoperability tests performed by Microsoft and CAI in the Live Communications Server environment. With WebMux, incoming session traffic is automatically channeled to LCS's server pool so that no server is overloaded.

WebMux maintains high performance by balancing the load between multiple servers, and ensures reliability by redirecting traffic away from any server that should fail. Continuous WebMux operation is guaranteed via automatic failover to a backup WebMux should the primary WebMux fail.

WebMux is a solid state network appliance that provides high performance management and reliability of IP traffic on Ethernet/Fast Ethernet 10/100 and GB Ethernet networks. WebMux comes ready-to-install appliance and is configurable by a browser-based interface, and includes remote-support capability.

Pricing and Availability

Microsoft-validated WebMux for Live Communications Server 2005 is available today from CAI Networks ( and its distributors and resellers worldwide. WebMux delivers unmatched ease-of-use and reliability with the industry's lowest total cost of ownership and includes a three-year warranty and three year's of email technical support.

Related URL

Microsoft Live Communication Server 2005 Deployment Resources

About Microsoft Corporation

Founded in 1975, Microsoft® (Nasdaq "MSFT") is the worldwide leader in software, services and solutions that help people and businesses realize their full potential.

About CAI Networks, Inc.

Founded in 1987, CAI Networks specializes in Internet appliances and Internet server reliability solutions and is a leading provider of IP load balancers. CAI has its engineering and sales offices in Southern California. WebMuxes are installed worldwide by businesses, government agencies, and ISPs to maintain the reliability and availability of web sites, portals, and web-based applications.


Microsoft® and Microsoft Office Live Communications Server 2005® are either registered trademarks or trademarks of Microsoft Corp. in the United States and/or other countries. CAI and WebMux are trademarks of CAI Networks, Inc.

For more information, please contact:

Microsoft Coporation
Marc Sanders
Senior Product Manager
Phone 425.705.7815

CAI Networks, Inc.
David Merit
714-550-0901 X 7156



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