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


2024
Months
Apr
Dec

Click the comments link on any story to see comments or add your own.


Subscribe to this blog


RSS feed


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

Topics


My other sites

Who is this guy?

Airline ticket info

Taughannock Networks

Other blogs

CAUCE
Online Clairvoyance Platforms Sanctioned for GDPR Violations
14 days ago

A keen grasp of the obvious
Italian Apple Cake
820 days ago

Related sites

Coalition Against Unsolicited Commercial E-mail

Network Abuse Clearinghouse

My Mastodon feed



© 2005-2024 John R. Levine.
CAN SPAM address harvesting notice: the operator of this website will not give, sell, or otherwise transfer addresses maintained by this website to any other party for the purposes of initiating, or enabling others to initiate, electronic mail messages.