Network resilience is a network design that maintains an acceptable level of service in the face of link and component failures. Gartner defines operational resilience as a set of techniques that allow people, processes and informational systems to adapt to changing patterns. While tera-architectures are another case of resilience, they currently apply only to global, extremely large-scale computing systems such as used by Google where software detects and works around component failure. Resilience is addressed in TMC projects in various ways:
- As part of an assessment, the issues, options and budgetary costs for various levels of resilience (processes, computing, networking) are reviewed with the chosen levels incorporated into the IT strategy
- As part of a network redesign, the issues, options and costs associated with network resilience are examined. Models are developed which show the relation of ‘n’ low reliability links resulting in one virtual high reliability link.
- Business Continuity and Disaster Recovery plans are resilience design as an important part of the means to ‘gracefully degrade’ functionality or ‘load shed’ to maintain or re-establish critical operations.
TMC has helped many clients assess, redesign, optimize or replace their network including resilience as a design principal. Here are a few of our Network Resilience projects:
- TMC has conducted a radio assessment for connectivity to locations without fibre access.
Fire Chief, a major Canadian Municipality
- TMC developed a unified communication strategy.
CIO, a National Retailer
- TMC personnel designed and project managed the construction of a pair of backup data centres.
Director of Special Services, a major Telephone Company
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