Book Image

Implementing NetScaler VPX??? - Second Edition

By : Marius Sandbu
Book Image

Implementing NetScaler VPX??? - Second Edition

By: Marius Sandbu

Overview of this book

With a large demand for responsive websites and availability of services, IT administrators are faced with an ever-rising need for services that are optimized for speed. NetScaler VPX is a software-based virtual appliance that provides users with the comprehensive NetScaler feature set. Implementing apps and cloud-based services is much easier with its increased service performance and integrated security features. This book will give you an insight into all the new features that NetScaler VPX™ has to offer. Starting off with the basics, you will learn how to set NetScaler up and configure it in a virtual environment including the new features available in version 11, such as unified gateway and portal theme customization. Next, the book will cover how to deploy NetScalar on Azure and Amazon, and you will also discover how to integrate it with an existing Citrix infrastructure. Next, you will venture into other topics such as load balancing Microsoft and Citrix solutions, configuring different forms of high availability Global Server Load Balancing (GSLB), and network optimization. You will also learn how to troubleshoot and analyze data using NetScaler's extensive array of features. Finally, you will discover how to protect web services using an application firewall and will get to grips with other features such as HTTP, DOS, and AAA.
Table of Contents (15 chapters)
Implementing NetScaler VPX™ Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

Using AppFlow® to monitor traffic with NetScaler Insight Center™


Now, in most cases, NetScaler is used as a central component to deliver high-availability services to users, both internally and externally. This means that NetScaler, in most cases, handles a large amount of traffic.

What happens if a user complains about the slow performance of an application, or that something is running sluggishly? Or if we want to get an overview of the number of users accessing our services? This is where AppFlow comes in.

AppFlow is a feature in NetScaler that is used to collect web performance data and database information. It can also be used to gather performance from ICA sessions. It is built on the IPFIX format, which is an open standard defined in RFC 5101.

Take a look at the following screenshot, for example:

When a client opens a connection to the VIP of NetScaler, it will perform a new connection to the backend server, and then the traffic will be returned from the backend server back to NetScaler...