Chapter 17. Working with System Virtual Machines

17.4.2. Upgrading a Virtual Router with System Service Offerings

When CloudPlatform creates a virtual router, it uses default settings which are defined in a default system service offering. See Section 9.2, “System Service Offerings”. All the virtual routers in a single guest network use the same system service offering. You can upgrade the capabilities of the virtual router by creating and applying a custom system service offering.

1.Define your custom system service offering. See Section 9.2.1, “Creating a New System Service Offering”. In System VM Type, choose Domain Router.

2.Associate the system service offering with a network offering. See Section 10.5.1, “Creating a New Network Offering”

3.3. Apply the network offering to the network where you want the virtual routers to use the new system service offering. If this is a new network, follow the steps in Adding an Additional Guest Network on page 66. To change the service offering for existing virtual routers, follow the steps in Section 10.5.2, “Changing the Network Offering on a Guest Network”.

17.4.3. Best Practices for Virtual Routers

•WARNING: Restarting a virtual router from a hypervisor console deletes all the iptables rules. To work around this issue, stop the virtual router and start it from the CloudPlatform UI.

•WARNING: Do not use the destroyRouter API when only one router is available in the network, because restartNetwork API with the cleanup=false parameter can't recreate it later. If you want to destroy and recreate the single router available in the network, use the restartNetwork API with the cleanup=true parameter.

17.5. Secondary Storage VM

In addition to the hosts, CloudPlatform’s Secondary Storage VM mounts and writes to secondary storage.

Submissions to secondary storage go through the Secondary Storage VM. The Secondary Storage VM can retrieve templates and ISO images from URLs using a variety of protocols.

The secondary storage VM takes care of a variety of secondary storage activities: downloading a new template to a Zone, copying templates between Zones, and snapshot backups.

The administrator can log in to the secondary storage VM if needed.

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Citrix Systems 4.2 manual Secondary Storage VM, Upgrading a Virtual Router with System Service Offerings
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4.2 specifications

Citrix Systems, a leading provider of virtualization solutions and cloud computing technologies, released version 4.2 of its popular software, Citrix XenApp, which was previously known as Presentation Server. This version marked a significant evolution in providing users with remote access to applications and desktops, emphasizing simplicity, performance, and security.

One of the standout features of Citrix XenApp 4.2 is its improved application streaming capabilities. This technology allows applications to be delivered to users in real-time, reducing the need for extensive local installations and enhancing the user experience. With application streaming, administrators can efficiently manage applications on a central server while ensuring that users have immediate access to the necessary tools.

Another highlight of this version is the enhanced security measures put in place to protect sensitive data. Citrix XenApp 4.2 includes support for SSL encryption, providing a secure communication channel for data transmitted between the server and clients. This is particularly crucial for businesses that need to comply with strict data protection regulations. Additionally, the integration of endpoint security features ensures that unauthorized access to applications is minimized.

Performance enhancements are also a critical focus in this release. Citrix optimized the delivery of applications over various network conditions, ensuring that users experience minimal latency regardless of their location. This was achieved through the incorporation of SmartAccess and SmartControl technologies, which allow administrators to set policies based on user roles, device types, and network conditions. This level of granularity enables organization-wide security without compromising on usability.

The user experience was further improved with a revamped interface, making it easier for end-users to access their applications and data. Simplified menus, clear navigation paths, and the ability to customize user settings contributed to a more efficient workflow, allowing users to focus on their tasks rather than struggling with the software.

Finally, Citrix XenApp 4.2 was designed to be highly scalable. Organizations of all sizes could deploy this solution to deliver applications efficiently, adapting to their specific needs as their user base grows or changes. This flexibility is crucial for businesses looking to future-proof their IT investments while maintaining optimal performance.

In summary, Citrix XenApp 4.2 stands out with its enhanced application streaming, robust security features, improved performance under varying conditions, user-friendly interface, and scalability, making it an ideal choice for organizations seeking to leverage virtualization for remote access to applications and desktops.
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