System Requirements for XenApp 6.5
System requirements for the XenApp server role and the Citrix AppCenter are described below. System requirements for other XenApp features, components, and related technologies are described in their respective system requirements documentation; that includes receivers, plug-ins and agents, Web Interface, Single Sign-on, Service Monitoring, EdgeSight, SmartAuditor, Application Session Recording, Provisioning Services, and Power and Capacity Management.
To ensure the availability of XenApp 6.5 features and correct operation:
On-demand application delivery with Citrix XenApp How application virtualization and session virtualization work
Citrix XenApp is an on-demand application delivery solution that comprises application virtualization and session virtualization technologies.
Understanding application virtualization Citrix application virtualization technology isolates applications from the underlying operating system and from other applications to increase compatibility and manageability. As a modern application delivery solution, XenApp virtualizes applications via integrated application streaming and isolation technology. This application virtualization technology enables applications to be streamed from a centralized location into an isolation environment on the target device where they will execute.
General Info:
Sharing resources from one physical box(like esx, xenserver, hyper v etc) is server virtualization.
Publishing virtual machines created by xenserver, esx etc to end users is desktop virtualization.
Xenconvert is used for converting physical machine to VM.
Multiple OS boots from single VHD file using provisioning services(PVS).
ICA and RDP Differences: 1. RDP works only under TCP/IP, while ICA works on many protocols.
2. RDP doesn’t permit applications to run in a browser, while works for ICA
Below is a list of technical specifications and platform requirements for XenServer.
Infrastructure XenServer Host 64-bit x86 server-class system CPU: 1.5 GHz minimum, 2 GHz or faster multi-core recommended Intel® VT or AMD-V™ required for support of Windows guests 2GB to 1TB physical memory Up to 64 logical processors 100Mb/s or faster NIC Up to 16 physical NICs Local, Fibre Channel or SAN boot disk with 16 GB of space minimum, 60 GB or more recommended Fibre Channel, iSCSI or NFS LUN with 356MB of space minimum for High Availability (HA) heartbeat storage repository XenCenter Client x86-based system Microsoft® Windows® 2000, Windows XP, Windows Server® 2003, Windows Server 2008, Windows Vista , or Windows 7 (all Editions and Versions) .
