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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.

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  posted at: 17:58 :: permanent link to this entry :: 0 comments
Stable link is https://jl.ly/Internet/gauge.html

29 Nov 2022

Portable social media accounts, good idea, not going to happen Internet
The usually perceptive Tim Harford has a column in the current Financial Times complaning that since he can move his phone number from one carrier to another, why can't he move his social media account from Twitter to Mastodon. If only it were that simple.

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  posted at: 21:46 :: permanent link to this entry :: 0 comments
Stable link is https://jl.ly/Internet/notport.html

19 Sep 2022

Why Facebook is not a common carrier Internet

The ever-entertaining Fifth Circuit has recently upheld a strange Texas law that forbids most kinds of social media moderation. (Techdirt explains many of the reasons the court is wrong, so I won't try.)

This brings us to the trendy question of whether Facebook, Twitter, et al. should be treated as common carriers.

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  posted at: 19:55 :: permanent link to this entry :: 1 comments
Stable link is https://jl.ly/Internet/common.html

06 Mar 2022

How not to take Russia off the Internet Internet

Last week the Ukrainian government sent a letter to ICANN asking them to revoke the “.ru”, “.рф” and “.su” top-level domains. It also said they were asking RIPE, which manages IP addresses in Europe, to revoke Russian IP addresses. Both ICANN and RIPE said no.

Other people have explained why it would have been a policy disaster, but beyond that, neither would actually have worked.

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  posted at: 22:25 :: permanent link to this entry :: 1 comments
Stable link is https://jl.ly/Internet/notru.html

12 Sep 2021

Cryptographic catastrophe theory Internet
Technologists and law enforcement have been arguing about cryptography policy for about 30 years now. People talk past each other, with each side concluding the other side are unreasonable jerks, because of some fundamental incompatible assumptions between two conceptual worlds in collision.

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  posted at: 21:47 :: permanent link to this entry :: 0 comments
Stable link is https://jl.ly/Internet/catastrophe.html

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