IDG Contributor Network: Rewrite or rebuild? 5 legacy system upgrade considerations

To rewrite or not to rewrite the legacy system. It’s a perennial question for IT organizations and one that weighs heavy with IT budget, talent and operational concerns. Every week I come in contact with CIOs and CTOs trying to determine the best way to upgrade an aging but mission-critical system or application. After years of helping businesses consider and address their upgrade needs, I have determined there are five main factors IT leaders need to carefully consider when determining w