Setting Zone VLAN and Running VM Maximums

To set up the integration between CloudPlatform and Traffic Sentinel:

1.On your network infrastructure, install Traffic Sentinel and configure it to gather traffic data. For installation and configuration steps, see inMon documentation at Traffic Sentinel Documentation5.

2.In the Traffic Sentinel UI, configure Traffic Sentinel to accept script querying from guest users. CloudPlatform will be the guest user performing the remote queries to gather network usage for one or more IP addresses.

Click File > Users > Access Control > Reports Query, then select Guest from the drop-down list.

3.On CloudPlatform, add the Traffic Sentinel host by calling the CloudPlatform API command addTrafficMonitor. Pass in the URL of the Traffic Sentinel as protocol + host + port (optional); for

example, http://10.147.28.100:8080. For the addTrafficMonitor command syntax, see the API Reference at API Documentation6.

For information about how to call the CloudPlatform API, see the Developer’s Guide at CloudStack API Developer's Guide7.

4.Log in to the CloudPlatform UI as administrator.

5.Select Configuration from the Global Settings page, and set the following: direct.network.stats.interval: How often you want CloudPlatform to query Traffic Sentinel.

14.9. Setting Zone VLAN and Running VM Maximums

In the external networking case, every VM in a zone must have a unique guest IP address. There are two variables that you need to consider in determining how to configure CloudPlatform to support this: how many Zone VLANs do you expect to have and how many VMs do you expect to have running in the Zone at any one time.

Use the following table to determine how to configure CloudPlatform for your deployment.

guest.vlan.bits

Maximum Running VMs per

Maximum Zone VLANs

 

Zone

 

 

 

 

12

4096

4094

 

 

 

11

8192

2048

 

 

 

10

16384

1024

 

 

 

10

32768

512

 

 

 

Based on your deployment's needs, choose the appropriate value of guest.vlan.bits. Set it as described in Edit the Global Configuration Settings (Optional) section and restart the Management Server.

5http://inmon.com.

6http://incubator.apache.org/cloudstack/docs/api/index.html

7http://incubator.apache.org/cloudstack/docs/en-US/Apache_CloudStack/4.0.0-incubating/html/API_Developers_Guide/ index.html

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Citrix Systems 4.2 Setting Zone Vlan and Running VM Maximums, Guest.vlan.bits Maximum Running VMs per Maximum Zone VLANs
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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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