A Cluster System to Achieve Scalability and High-Availability with Low TCO

The authors describe a commercialized version of the Linux Virtual Server.
Load Balancing Other Servers

The LVS system was not developed simply to load-balance web servers. Other servers, including application and database servers, can be accommodated. The current product ties together closely all of its components, namely EMS, EDS and EPS. Thus, it is necessary to redesign the product to accommodate other servers. This includes adjustments to the configurations, the log files and the monitoring methods. Since e- commerce infrastructure typically includes several servers, it is necessary to support the entire structure for load balancing.


We would like to acknowledge Li ZiQiang and Chen XueFeng of Internet Appliance, Inc. for their contribution to product development and performance testing. We also would like to thank Jeff Sacilotto of eTesting Labs for his contribution to the performance tests . Thanks also go out to Thian Teck Ong, Cyrus Keller, Colin Low and Kevin Foo of Internet Appliance, Inc. for their participation in the testing process. Special thanks are due to Wensong Zhang for his review and comments on the draft of this paper and the use of his figure for this paper.


Zhang, Wensong, "Linux Virtual Server for Scalable Network Services," Proc. Ottawa Linux Symposium 2000, July 2000.

Red Hat, www.redhat.com/support/wpapers/piranha

Ultra Monkey, ultramonkey.sourceforge.net

Turbo Linux, community.turbolinux.com/cluster

Coda coda.cs.cmu.edu


Jin Nan Tang is a Senior Consultant at Hewlett Packard Company, Singapore. He has fifteen years of experience in IP networking, highly available systems, systems integration, and data center implementation. He received the B.E. in Information Engineering from Northwest Telecommunications Engineering Institute, Xi'an, China.

Zen Kishimoto is President of Internet Protocol Devices, Inc. His expertise lies in IP networking and the Internet security as well as distributed object technology, software design and validation. He received the Ph.D. in Computer Science from Northwestern University, Evanston, IL.