The volume of people who work in technology that don’t understand networking is astonishing. I probably spent more time explaining how a web proxy works than I did actually setting things up.
People lack the necessary motivation. I explained DHCP, IP, and ports to my kids in like 10 minutes.
Because otherwise they couldn’t play Minecraft together.
Subnetting and the difference between /8 and /24 or /32 and how you allocate IP addresses between them has always been crazy for me to grasp.
I feel like if I could finally understand that after 20 years … I’d be happy but no here I am, effectively ignorant to it and looking at networking wizards as true wizards
Networking is so easy nowadays. Just plug a network cable into your device and it mostly works out of the box. Don’t you guys remember the bad old times of coax cables and token ring?
Imagine providing a public WiFi before 1993, even if you ignore the fact that WiFis had a cable back then.
what happened to cache invalidation?
Networking Issues is probably Cache Invalidation in Disguise.
…it’s dns again isn’t it
https://isitdns.com/
If you visit the site via its IP address, it says no.
Source: I made that up.
Surprise SNI error
No, definitely not!
…
…
but actually yes
Low TTL of dns entries is there to avoid classical Cache Invalidation, so kind of…
I keep seeing “networking is hard” come up here. Where is this coming from? Is it IPv6 or something?
I started in networks.
The volume of people who work in technology that don’t understand networking is astonishing. I probably spent more time explaining how a web proxy works than I did actually setting things up.
Firewall rules? Spells and magic. Routing? Unpossible! DNS? Forget it, I’m going home.
People lack the necessary motivation. I explained DHCP, IP, and ports to my kids in like 10 minutes. Because otherwise they couldn’t play Minecraft together.
It’s always DNS…
Subnetting and the difference between
/8and/24or/32and how you allocate IP addresses between them has always been crazy for me to grasp.I feel like if I could finally understand that after 20 years … I’d be happy but no here I am, effectively ignorant to it and looking at networking wizards as true wizards
Networking is so easy nowadays. Just plug a network cable into your device and it mostly works out of the box. Don’t you guys remember the bad old times of coax cables and token ring?
Imagine providing a public WiFi before 1993, even if you ignore the fact that WiFis had a cable back then.
The most important technique to master: The Ping and Wiggle.
I’m not old enough to having been bothered by network rings and grew up with the high-tech that were end resistors.
OP might be suffering from cache misses. (Or maybe hasn’t yet learnt about it.)
Distributed systems.
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