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Legacy systems utilise programming languages, software and/or hardware that typically are no longer sold by their respective vendors, in some cases they are no longer supported by the original vendors.
Re-designing already well running systems and organisational structures by whole project teams is frequently uneconomical and may well be detrimental to focusing on new business demands. These systems are often mission critical with redundancy and security built into them. Many eyes see them as tried and tested without immediate comparative replacement options or the options are very limited and/or beyond the budget.
Most leading global enterprises are reliant on decades-old legacy systems. IT research shows that 90% of the companies continue to use EOL hardware 3-5 years after the manufacturer stops production of the original models. In fact, this uptake of adding to legacy platforms and providing the disaster recovery and spares replacements for support of legacy systems is viewed by the manufacturers as a major source of revenue and has seen the invent of OEMs remanufacturing their own legacy systems as well as spare parts.
Initiating new platforms, especially when original source code is not available involves extensive programming and the potential risk of business interruption associated with the movement of data and key business processes to more advanced and contemporary technologies, is deemed too risky. In the utility market as well as defence and finance there are prescriptive legislative impediments to migration which require extensive testing of newer technology, which itself is often legacy by the time it comes online.
Re-deployment of once used systems avoids scraping of systems that may be upgraded and saves them from landfill. Each new system has associated environmental costs of mining minerals, producing plastics and metals, and freight which is extensive in the age of build to order models in a global factory network.
Prodec Networks offers a range of flexible solutions that can be tailored to meet he needs of any type of business with legacy systems. Click through here to find out more about VAX, Alpha and Integrity Support offered by Prodec Networks