TCP/IP is actually a conceptual model that means the subsequent four useful levels for these communication links: Darknet: The darknet can be an overlay network that operates over the internet and can only be accessed by specialized software. It takes advantage of distinctive, custom made interaction protocols. As well as https://mixedmartialarts27148.bloggazzo.com/32845051/the-smart-trick-of-cctv-systems-that-no-one-is-discussing