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Showing posts from March, 2017

TCP Handshake over IPv6

The internet we know today heavily relies on TCP/IP to send our information around the world at lightspeed.  With more devices than ever connected to the internet (insert link to back this up, it sounded cool), using IPv4 we're soon going to run out of addresses.  And in fact if it weren't for technologies such as NAT we'd be in a stickier situation than we already are.   In preperation of running out of IP addresses, IPv6 was mustered up around 1998 by the IETF, a 128-bit addressing convention vs the old IPv4 32-bit addressing. So that means IPv6 has been around quite a while now.  Almost 20 years, yet still IPv4 is all the rage.  Perhaps us techies have trouble letting go of what we know.   I mean why set up an AAAA record, when you only need to set up an A record right?  Why configure DNS to use   2001:4860:4860:0000:0000:0000:0000:8888 or 2001:4860:4860::8888 when you can just use 8.8.8.8 right?  Well yeah, let's save all that for another article, once I've h