I'm Tyler Maginnis, CTO of Turing Lace, an Open-Source Software Collaborative. We've been doing network file systems, distributed file systems, virtualization, and web applications for 15+ years. Our recent experience includes networks of 1000+ devices, and our staff includes an MCSE systems enginner, a CCNA/CCDA network engineer with a firm background in core networking, and a business analyst to assess your top-down requirements. I look forward to chatting about your requirement with you. Typically, we have an advance fee requirement of 35% to 50%. This serves as your credit application. The rest of the project will be broken down into milestones. We make distinct the project specification, gap analysis, and implementation. Typically, we start at $50.00/hr to define your project, and create a functional specification of a minimally viable product. Then, we provide an exact estimate based on the manual hours of programming required. We are a straightforward software development company. I am approved by our board of directors to make a competitive bid for your project based on market rates, and I have a lot of good, managed resources which we can render, provided that you have an appropriate budget. Judging from your project description, it sounds like you want to use Open-Source software where applicable. We further propose basing our gap analysis on a suite of open-source technologies, making the technology selection process painless, accurate, and based on your need.