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Are SDDC the first evolution of Skynet or have they been here all along in disguise?
Daniel Stojanovski 2700062RYQ firstname.lastname@example.org |
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The evolution of datacentres has seen them go from large, complex systems requiring specialised technicians to systems that can be deployed at almost any location. Nowadays, mobile, ready-to-run units can be packed in to shipping containers, while cloud allows organisations to scale their computing resources almost infinitely.
This evolution has not been brought on by chance. It has been driven by our insatiable appetite for high-speed access to applications and information. With the adoption of system consolidation through virtualising datacentres, operators can achieve greater cost-savings and agility, allowing them to improve service levels. The challenge we now face is how to allocate our limited and expensive resources to deliver these service levels to clients.
Software Defined Datacentres (SDDCs) take control of the fundamental components of an application, such as compute, storage and networking, to dynamically scale up or down resources. This enables them to deliver a baseline level of service whether to handle increased traffic, decrease response times or maintain operations after a disaster.
The brains behind all SDDCs is the intelligent software which responds to changes in the application’s performance. This might mean allocating additional virtual instances to handle the increased demand, or balancing workloads and network traffic by moving virtual machines to underutilised racks. This all happens autonomously with next to no implication to the business applications which are running.
Examples of SDDCs in action can be found in public cloud offerings from IBM, Rackscape, Amazon, Microsoft and Google, where thousands of businesses share compute, storage and network to deliver services to clients.
For example a web server tenant may be experiencing high demand on its website, which is causing performance issues. The intelligent agent can detect this and take the necessary action to maintain the service. This might include:
• Moving the virtual instance to a dedicated piece of hardware
• Provisioning an additional virtual instance of that allocation
• Routing traffic through other routes
• Allocating more resources
If you’d like to read up on SDDCs, here are some useful resources:
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