Book Image

Mastering NetScaler VPX

By : Marius Sandbu, Andy Paul
Book Image

Mastering NetScaler VPX

By: Marius Sandbu, Andy Paul

Overview of this book

Citrix NetScaler is one of the best Application Delivery Controller products in the world. The Application Delivery Controllers are commonly used for load balancing purposes, to optimize traffic, and to perform extra security settings. This book will give you an insight into all the available features that the Citrix NetScaler appliance has to offer. The book will start with the commonly used NetScaler VPX features, such as load balancing and NetScaler Gateway functionality. Next, we cover features such as Responder, Rewrite, and the AppExpert templates, and how to configure these features. After that, you will learn more about the other available Citrix technologies that can interact with Citrix NetScaler. We also cover troubleshooting, optimizing traffic, caching, performing protection using Application Firewall, and denying HTTP DDoS attacks for web services. Finally, we will demonstrate the different configuration principles real-world Citrix NetScaler deployment scenarios.
Table of Contents (15 chapters)
Mastering NetScaler VPX™
Notice
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
Index

An enterprise VDI active-passive environment


Besides the multisite environment (which is in active/active mode), it is also possible to configure Citrix NetScaler and the required resources based on active/passive mode.

If there is a stretched VLAN between data centers, then we can use the Citrix NetScaler high availability mode. This mode is in the Citrix NetScaler Standard license. The stretched VLAN technique allows us to use the same IP addresses in both data centers. If you choose high availability mode, then the adjustments for the Citrix StoreFront multisite and optimal NetScaler Gateway aren't necessary.

If there is no stretched VLAN available, then we can use the global server load balancing functionality in Citrix NetScaler. This allows us to create a backup virtual server with another IP configuration, which will become active when the active data center stops working. If the primary data center comes back online, we can set it as the active data center again, which ensures that...