best practices in deploying xenapp or xendesktop

1. Reboot schedule for XenApp servers
2. When to dedicate the XenApp Zone Data Collector roles
3. Implications of provisioned XenApp servers on License server redundancy
4. Whether pooled desktops should be rebooted at logoff
5. What components should be backed up
6. Hotfix deployment policy
7. Recommended XenServer pool size when using MCS / PVS
8. Using processor and memory overcommit
9. When the ‘Optimize for XenApp’ setting should be used in XenServer
10. Whether Provisioning Services should be scaled Up/Out