Citrix brings a long and successful history of market-leading application access solutions from MetaFrame and Presentation Server to today's XenApp and XenDesktop for VDI. For as long as Citrix has been delivering application access, F5 has been delivering market-leading application delivery solutions. With demand for VDI solutions growing, performance, security, and reliability are paramount to successfully delivering VDI and applications over a variety of networks to myriad device types. This paper examines how F5's market-leading ADC technology and solutions improve the reliability, performance, and security of Citrix XenApp and XenDesktop and reduces the complexity and deployment cycle time, improves the scalability of VDI-related services, and enhances the mobility of users and operations alike.