For access control, watch the trade shows for new Web-based systems that will offer significant savings. You may also avoid the ownership of software and replace that expense with a very modest user fee. For video, if you are currently using multiplexers and switchers, the new stripped down DVRs will give you the opportunity to upgrade your front end into the digital world, without forcing you to upgrade the entire system. You can reuse your readers, door wire and a bridge to the Internet.”]
Source: https://www.csoonline.com/article/2118028/video-budgeting.html