We've seen how good a fit Liferay Portal is for the enterprise. It can be scaled linearly to grow to whatever size you need to serve your users. Clustering is a snap, and Liferay harmonizes very well with whatever environment you may have.
Kaleo workflow is a simple, yet robust workflow solution for your enterprise. With deep integration with Liferay's portlet applications and permissions system, it is an ideal choice for implementing your business processes.
Liferay Portal is also built for performance. You can tune it to support over 3300 concurrent users on a single server with mean log in times under half a second and maximum throughput of more than 79 log ins per second. We've seen some tips for tuning Liferay Portal, and we have to keep in mind the adage about tuning: load test and profile, tune, repeat.
You can also take advantage of read-writer database configurations, as well as database sharding. In all, Liferay Portal gives you all the options you need to build a high-performance, robust environment that supports your enterprise.