Just published: the Adobe LiveCycle Data Services 2.6 Capacity Planning Guide.
With LiveCycle Data Services 2.6, you can create Adobe Flex applications that can deliver thousands of messages per second to thousands of end users simultaneously:
This document presents the results of software benchmark tests performed by Adobe engineers on my LiveCycle Data Services team and show how LiveCycle Data Services 2.6 can scale linearly and perform under load using various messaging scenarios that represent real-world situations. It provides a starting point for those who need to plan a hardware and software infrastructure that scales in a linear fashion to meet peak period demand.
Check it out here: Adobe LiveCycle Data Services 2.6 Capacity Planning Guide