Chapter 16. Managing Networks and Traffic

•All network tiers inside the VPC should belong to the same account.

•When a VPC is created, by default, a SourceNAT IP is allocated to it. The Source NAT IP is released only when the VPC is removed.

•A public IP can be used for only one purpose at a time. If the IP is a sourceNAT, it cannot be used for StaticNAT or port forwarding.

•The instances can only have a private IP address that you provision. To communicate with the Internet, enable NAT to an instance that you launch in your VPC.

•Only new networks can be added to a VPC. The maximum number of networks per VPC is limited by the value you specify in the vpc.max.networks parameter. The default value is three.

•The load balancing service can be supported by only one tier inside the VPC.

•If an IP address is assigned to a tier:

•That IP can't be used by more than one tier at a time in the VPC. For example, if you have tiers A and B, and a public IP1, you can create a port forwarding rule by using the IP either for A or B, but not for both.

•That IP can't be used for StaticNAT, load balancing, or port forwarding rules for another guest network inside the VPC.

•Remote access VPN is not supported in VPC networks.

16.27.2. Adding a Virtual Private Cloud

When creating the VPC, you simply provide the zone and a set of IP addresses for the VPC network address space. You specify this set of addresses in the form of a Classless Inter-Domain Routing (CIDR) block.

1.Log in to the CloudPlatform UI as an administrator or end user.

2.In the left navigation, choose Network.

3.In the Select view, select VPC.

4.Click Add VPC. The Add VPC page is displayed as follows:

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Citrix Systems 4.2 manual Adding a Virtual Private Cloud
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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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