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Implementing NetScaler VPX™ - Second Edition by Marius Sandbu

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Chapter 6. High Availability

The purpose of many NetScaler instances is to provide load balancing and high availability for services. This should be the case for NetScaler itself as well; so, configuring it as a high-availability pair should always be considered. Sometimes a single HA setup might not be enough and we need to scale across multiple NetScalers or even multiple datacenters. These are some of the topics that we will cover in this chapter:

  • Different scenarios for high availability
  • Setting up high availability
  • Redundant interface sets
  • GSLB—the basics
  • Clustering—the basics

Setting up high availability

Consider the scenario where we have a NetScaler sitting in front of our numerous services, and thousands of different websites that are load balanced ...

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