From: Craig Phillips [] on behalf of Craig Phillips []

Sent: Monday, March 21, 2011 9:24 AM


Subject: Cocktail Talk - Hallmark Wins


Cocktail Talk

Bits and bytes of computer chat-chat
to help you through those dreary Cocktail Parties.

June 2011

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Cocktail Talk

Dear Craig,

Cocktail Talk
Welcome to
CN Consulting's "Cocktail Talk".

Cocktail Talk is a casual monthly newsletter intended to arm you with amusing bits and bytes of information on whats happening in the computer world.  Topics sure to break the ice and capture an audience at many a social or business event.

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CherryJune 8th, 2011 is World IPv6 Day (pronounced eye-pea-vee-six) and Hallmark has got a big, big, opportunity.


This is even bigger than Casimir Pulaski Day, Doris Day, or even Otis Day because it's a World Day. Hallmark could make cards for every written language in the world. So let me tell you why IPv6 gets a World Day.


Everything in the world that uses the internet has it's own address and the internet uses a special protocol to find it. It is called an Internet Protocol Address, IP Address or IP (eye-pea) for short. The current version is IP version 4 or IPv4.  June 8th, 2011 is the day Google, Yahoo! Facebook, Akamai, and Limelight Networks are going to give IP version 6 a try.


The reason there is an IPv6 is that we ran out of addresses using IPv4. The very last addresses available under IPv4 were given out on February 3rd this year. 4,294,967,296 addresses in all have been given out. That's pronounced 4 billion, 294 million, 967 thousand two hundred and ninety-six.


With IPv6 there are 340,282,366,920,938,463,374,607,431,768,456 of them. Thats pronounced 340 undecillion, 282 decillion, 366 nonillion, 920 octillion, 938 septillion, 463 sextillion, 463 quintillion, 374 quadrillion, 607 trillion, 431 billion, 768 million, 211 thousand, four hundred and fifty-six. I think anything that big you just call it Oprah and get over it.


The addresses look different, and behave different, and that's why there are so many more. An IP version 4 address looks like this; An IP version 6 address looks like this; 2001:0db8:85a3:0000:0000:8a2e:0370:7334.


IPv6 has 8 segments separated by colons and IPv4 has 4 segments separated by dots. It also has 4 places between colons where IPv4 has 3 between it's dots. To top it all off IPv6 uses letters and numbers instead of just numbers giving each position more possible values. Zero through nine is ten digits. Zero through F (pronounced effuh) is sixteen digits.


Under IPv6 every device from smartie phone to computer will have it's own address. With IPv4 they shared. The idea has always been to give everything it's own address, but the handwriting was on the wall so the brainiacs came up with ways to share addressess and postpone running out.


If you have Internet Cable at home you get one IP address assigned to your house. That is the IP address the public sees. Brilliantly enough the IP address the public sees is called a Public IP Address. Inside the house your IP addresses are private, and yes, they are called Private IP Addresses.


So Pat, your Private IP is and the Significant Other's is and Timmy is and Bonnie is and Spot is and you all have smartie phones and iPads and God knows what else. Maybe 15 IP addresses all told. But the public only sees you as the one Public IP Address that Cable gives your house.


As a matter of fact, it's very likely all your neighbors use Private IP Addresses in the range of to too. All of those same-same IP addresses on their home networks get translated into the one Public IP Address assigned to their homes by the cable company.


Network Address Translation (NAT) does this. NAT lives inside all that gear the cable company installed in your house with all those cables and stuff. NAT protects your identity when you go surfing the web, and NAT answers the internet door to your house and sends the caller to your privtate address.  As long as you go to the right house, you get the right Timmy. But NAT's number is up. NAT is going away for life when IPv6 takes over, because nobody is going to share anymore.



Without NAT we won't need all that gear to network. We can acually put a group of strangers on a firetruck on a boat headed to Cabo and get them networked with nothing more than smartie phones and Tropic Tan 12.


You can search to the end of the internet and read everything along the way and still not know how IPv6 works, maybe the people writing the articles don't know how it works. Reading RFC 1884 will help, but you may find it a long hard read, or you can read the next paragraph and be able to explain it over cocktails.


IPv6 uses its big giant numbering system to send three types of messages. It calls them Unicast, Anycast and Multicast. Unicast is when you tell one person you are having a party and they're invited. Anycast is when you say it a little too loud and some people overhear and invite themselves. Multicast is when you stand on a table, clear your throat, and invite eveyone in the bar. There it is.*



Internet Protocol Version Six, IPv6, is also called Internet Protocol Next Generation, IPng (pronounced eye-pea-ing). Somehow I don't think Hallmark is gonna use that.




Send a Hallmark Card for World IPv6 Day, or not, go IPng, or not, that's your call, and that's Cocktail Talk. 






Thank you for reading,


Craig Phillips
CN Consulting, Inc.  

* Anyone thinking Plastercast should be ashamed.

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CN Consulting Inc. (CNCI) is an independent consulting company formed in 1990 and located within easy reach of both Chicago and Milwaukee.

CNCI maintains a select client base providing consulting services concerning the  use  of information technology.  We persistently look for advantage to our clients in added value and reduced cost made available by advancing technology.

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