Internet and e-mail policy and practice including Notes on Internet E-mail

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Home 15 Apr 2024 Layers and Gateways, a historical view Internet One of the major issues in building the Internet or any large network is internetworking. If you have two networks built and run by different entities, how do you connect them together? The Internet addressed this problem in two ways. One is by layering, so that consistent upper layers can hide differences in lower layers. (In my office I have devices using wired Ethernet, fiber, wifi, and 5G, all looking the same at the Internet level.) Another is gateways, connecting things togeher and translating the differences, which to some extent is what fiber modems and routers do. But the Internet is hardly the first time these questions have arisen. See more ...   posted at: 17:58 :: permanent link to this entry :: 0 comments Stable link is https://jl.ly/Internet/gauge.html

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