look at it in action. Doesn't cost anything to log on. No software to download.
We are running a cluster of only two servers at the moment, which we call Flickr node servers.
Flash clients run in the user's web browser and are load-balanced between the node servers.
The node servers are tied together with a third server which we call the message router.
There can be any number of node servers and message routers. JCS is used in the node servers
and in the message routers as part of our home-grown persistence mechanism. Originally, we
were using Hibernate, but switched to the home-grown version (completely different code base
but same interface) to get some extra features and performance optimization.
Right now we are not using any of the fancier features of JCS such as lateral or remote, but
may do so in the future. Right now we are not replicating objects across servers, but objects
can communicate via messages with objects on other servers.
The web pages are generated by PHP running in a load-balanced cluster of Apache servers.
Cheers, Craig Johannsen Server Architect Ludicorp Research and Development, Inc.
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