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There are a few things leftover from those networking protocols that are still common: - X.509 for certificates - parts of LDAP - the 7 layer networking mode

There are a few things leftover from those networking protocols that are still common: - X.509 for certificates - parts of LDAP - the 7 layer networking model, which at least made sense with the protocols it was modelling before it was jammed into tcp/ip networking. I think we should be thankful the list is relatively short.

bogomipz 5y ago
Forward Error Correction and ASN.1 as well. I think it's kind of impressive though that those things survive more than 40 year later.
Taniwha 5y ago
That whole network stack was based on a simple premise from the telco world ... that you should charge by the byte for a virtual end-to-end connection (just like we used to charge for a phone call - N bytes and M bytes/min). IP sort of busted that whole idea - the idea that you could (should!) just drop packets when things get tough ran against this whole idea - but it made TCP/IP easier to implement, and perform better, and most importantly move faster and be adopted as the standard we use today
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