| > drivers Linux kernel is open source and really easy to read, and also fairly easy to write drivers for. > proprietary protocols I've written many network softwares, and proprietary protocols aren't difficult to me. > vendor warranties/support Fuck vendor lock-in. Move to Linux. > licensing/relicensing Fuck vendors. > paying you to do the work ...is cheaper than paying vendors. > waiting for the work to be done/tested Here, let me demonstrate that it works... with many many many automated tests. > * paying for workforce re-training* Not really important if it's well-done. > justifying this to management A lot of business management can't see past their own nose until it comes to money. Do some maths and show them the cost savings in a presentation. They'll listen. |
The best option in these cases is to isolate the system from external networks to keep it secured and keep operating until the organization can afford a major capital expenditure to replace everything.