IPv4 and IPv6: What are the Differences and What Do I Use?

και IPv6: Όταν το γεννήθηκε το Διαδίκτυο, κανείς δεν θα μπορούσε να φανταστεί ότικάποια στιγμή δεν θα έφταναν οι IP διευθύνσεις. Αυτό φυσικά ήταν πριν χρειαστεί και η τοστιέρα σας μια διεύθυνση IP για να μπορεί να συνδεθεί στο Διαδίκτυο.

So IP addresses started running out of IPv4. Then came the solution called IPv6. Do you know the differences between IPv4 and IPv6? What do you use? Do you need to change? IPv4

IPv4 and IPv6

The IPv4 and IPv6 refer to both the IP address standards that define how an IP address will be allocated and what it will be. The numbers 4 and 6 indicate the version number (v4). But there are some basic differences between IPv4 and its IPv6, but also to IP addresses:

IPv4 is the oldest version with IP addresses out of date and IPv6 is the new version that has new IP addresses for your computer and your toaster.
IPv4 has IP addresses displayed as numeric values written in the decimal system while IPv6 uses IPs written in the 128-bit hexadecimal system.

What do you use?

Το πρότυπο IPv6 κυκλοφορεί αρκετό καιρό. Το IPv4 διέθεσε όλες τις διευθύνσεις IP που μπορούσε να διαθέσει το και από τότε προωθούνται αναβαθμίσεις στο IPv6. Όμως το 2018 πάρα πολλές συσκευές εξακολουθούν να χρησιμοποιούν το IPv4. Πώς; Αν το πρότυπο IPv4 δεν διαθέτει νέες διευθύνσεις, πώς μπορούν να έχουν all new smartphones on the Internet?

At the moment, routers seem to play an important role. Your router is the device that receives an IP address, and the devices you use and connect to your router have internal addresses. Your router uses internal IP addresses to make sure that the traffic is transferred to the correct device. So if you have the latest Macbook, or the latest Surface tablet, you can probably use IPv6. These devices also support IPv6, so no problem. However, the problem is with older devices.

Please also note that although all of the IP addresses available from the IPv4 standard are available, they are not all used continuously. Many of these are not being used, which means that the transition to IPv6 will probably be delayed.

Switch to IPv6

The transition to IPv6 is not easy. Although the IPv6 standard is far superior to v4, switching to IPv6 comes at a cost , καθώς χρειάζεται hardware και software. Ο ISP θα πρέπει να αναβαθμίσει τις υποδομές του για να υποστηρίξει το IPv6. Αυτό όμως δεν μας αφορά.

Immediately afterwards the router has it. It needs to be upgraded and not many are buying their own router. Most use the router provided by your internet service provider. So when ISPs upgrade their network to support IPv6, they should include new routers in the same account.

But if you have internet at home, there is no reason to rush, and that's what your provider knows about. IPv6 exists, but you can not force ISPs to provide the new standard. Current router technology uses IPv4. So do not expect miracles if there is no new legislation or if there is no serious risk of a security gap in IPv4.

Yes IPv6 is better

The biggest advantage of using IPv6 is that all devices can connect directly to the internet. Right now, your devices are connected through a router and do not have their own IP addresses. If you need to find a device on a network, you should look for it by its MAC address. This naturally slows things down. A router is only as fast as your web requests are answered. So when devices can connect directly to the internet, browsing will be faster. That doesn't mean you don't need the router. But the immediate on the internet without internal IPs it works much more efficiently.

The IPv6 standard is also much more . It encrypts traffic and ensures the integrity of each packet. This gives you VPN security. No, VPNs are not useless anymore. You can use them to hide your activity from your ISP. But with IPv6 even without them, your traffic will be more secure than in IPv4.


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Written by giorgos

George still wonders what he's doing here ...

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