Where application controllers fit in software-defined data centers | Virtual Reality


The application delivery controller (ADC) is ripe for disruption.

The ADC sits at a strategic place in the center, in between the firewall and application servers, where it’s able to see, route and analyze much of the inbound and outbound traffic. Traditional ADCs were sold as all-in-one hardware appliances. However, software-defined networking and virtualization have enabled more flexible deployments of ADC functionality. At the same time, the advent of multicloud environments and microservices, such as containers, are changing the makeup of enterprise .

Over time, migration to a software-defined data-center network will require the disaggregation of ADC features, use of microservices-based ADC features, and more flexible licensing options.

What is the software-defined data-center network?

In software-defined networking (SDN), networking software is abstracted from networking hardware, enabling significant changes in how networks are built and operated. SDN impacts both the WAN and the data center network; in the SDDCN, adaptable network resources are deployed with compute resources such as machines and containers, along with enterprise disc and flash storage, to deliver specified performance for private cloud applications. Via software abstraction, data center resources can be easily reallocated to address changing application requirements without changing the underlying physical compute, storage, or network elements.

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