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Citrix: Whither ADC?

Citrix: Whither ADC?

There are many changes underway in networking architectures, driven by increasing cloud adoption, the trend towards microservices based applications, and software eating the world. In this context, many people are uncertain about future of Application Delivery Controllers. Here is my view.

The Load Balancing Era

The internet grew at a dramatic pace by adopting simple, but scalable techniques. Web scale architectures delivered tremendous availability and scalability by embracing an approach of horizontal scale out. In the mid-1990’s, Load Balancers became an integral part of web scale architectures, providing server monitoring and load balancing.

The humble Load Balancer appliance came to occupy a strategic piece of real estate in Data Center architectures. As HTTPS came into use, at least for important/transactional traffic, SSL offload became  an important addition. All traffic from the internet flowed through load balancing appliances, so it became an insertion point for many functions of value to the web site: HTTP/TCP optimization, in-memory caching, sslvpn, web application firewall, and much more. This consolidated approach eliminated appliance sprawl, and provided consistent management of networking functions. And the vehicle for such “aggregation” was given the name of Application Delivery Controller.

Read the entire article here, Whither ADC? | Citrix Blogs

Via the fine folks at Citrix Systems, Inc.

Citrix Systems Citrix (NASDAQ:CTXS) aims to power a world where people, organizations and things are securely connected and accessible to make the extraordinary possible. Its technology makes the world’s apps and data secure and easy to access, empowering people to work anywhere and at any time. Citrix provides a complete and integrated portfolio of Workspace-as-a-Service, application delivery, virtualization, mobility, network delivery and file sharing solutions that enables IT to ensure critical systems are securely available to users via the cloud or on-premise and across any device or platform. With annual revenue in 2015 of $3.28 billion, Citrix solutions are in use by more than 400,000 organizations and over 100 million users globally. Learn more at www.citrix.com.

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