Here are the key differences between these two protocols вЂ“ Sadly, since these two protocols cannot communicate with each other, IPv4 will not become obsolete anytime soon. IPv6 was designed to be the next-generation protocol that fixes the limitations and flaws in IPv4. Here is an article by HowToGeek exlaining how IP addresses work. Note that while IPv4 offers a limited number of addresses that can be assigned, this is not the case with IPv6. When you attempt to connect to their internet, your online activity first goes to your ISP and is immediately routed to your device via your IP address. For instance, if AT&T or COX is your ISP, theyвЂ™re responsible for assigning IPs to your devices. Since ISPs provide you with access to the internet, itвЂ™s their responsibility to assign an IP address to your device. IP addresses are typically assigned to devices by an Internet Service Provider (ISP). Read more about IP addresses on Wikipedia. Whether youвЂ™re simply surfing the web, watching a video on YouTube, or booking your next holiday, IP addresses are certainly involved. IP addresses are like GPS locations for devices (including servers) on any network. Since they were first developed in the 1970s, IP addresses have evolved to define how devices interact on the internet. You could view this as a mailing address, just for your online activity. An Internet Protocol (IP) address is essentially a unique identification number for machines connected to any network.

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