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Whether it is redundant hardware or a private hot-site, keeping an environment up and running 99.99% (insert more 9’s here) of the time is a tough job. With a well-planned deployment, and a good infrastructure, companies can efficiently load-balance their IT environment between multiple active, cloud-based, sites.
They manage dedicated firewalls for us, but as far as loadbalancers we use the cloud. I wasn’t sure cloud loadbalancing would be right, for example, but they showed us the numbers. December 2011 (126). November 2011 (142). October 2011 (147). September 2011 (135). August 2011 (147).
The user level elements that are managed within such an IaaS cloud are virtual servers, cloud storage and shared resources such as loadbalancers and firewalls. Amazon has cut prices for dedicated EC2 instances – an instance on single-tenant hardware that is particularly attractive to enterprise customers. July 2011 (128).
Essentially the punchline is this: Weve taken the most commonly-purchased hardware configuration and management tools used by mission-critical IT Ops, and integrated them into a single product with a single GUI that you can install and use in ~ 1 day. If you dont believe Dell hardware is ready for the Data Center, then think again.
A specific angle I want to address here is that of infrastructure automation ; that is, the dynamic manipulation of physical resources (virtualized or not) such as I/O, networking, loadbalancing, and storage connections - Sometimes referred to as "Infrastructure 2.0". a Fabric), and network switches, loadbalancers, etc.
Existing physical IO but with address hardware-based mapping/virtualization (e.g. Workloads, NICs, HBAs, networking addressing and storage connections (complete with fabric-based loadbalancing) can all be cloned… starting with the IO and networking profiles, made possible through IOV. ► 2011. (22).
The next step is to define in software the converged network, its switching, and even network devices such as loadbalancers. Provisioning of the network, VLANs, IP loadbalancing, etc. ► 2011. (22). The result is a "wire-once" physical network topology, but with an infinitely reconfigurable logical topology.
Capital cost – if you count all of the separate hardware components they’re trying to manage. That last bullet, the thing about hardware components, is also something to drill down into. And I mean I/O components like NICs and HBAs, not to mention switches, loadbalancers and cables. . ► 2011. (22).
True, both have made huge strides in the hardware world to allow for blade repurposing, I/O, address, and storage naming portability, etc. However, in the software domain, each still relies on multiple individual products to accomplish tasks such as SW provisioning, HA/availability, VM management, loadbalancing, etc.
Converged Infrastructure and Unified Computing are both terms referring to technology where the complete server profile, including I/O (NICs, HBAs, KVM), networking (VLANs, IP loadbalancing, etc.), ► 2011. (22). and storage connectivity (LUN mapping, switch control) are all abstracted and defined/configured in software.
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