Re: IPv6 day

99% of shops will not be implementing IPv6 internally for one simple reason.
They don't need to. Those that do implement it will be doing so for other
reasons, all valid and good but not because the organization ran out of IPv4
addresses internally.

Nathan is correct the only one that will really care is the network admin
who when forced to used IPv6 on the external network (read: Internet) will
have to contend with the DNS and NAT to connect the systems to the world.

As to PTFs, that's simple. Keep up with the HIPER at V7R3, and the HIPER
and TCP group at V7R2. There is no TCP group at V7R3 currently.


--
Jim Oberholtzer
Agile Technology Architects


-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of Nathan
Andelin
Sent: Tuesday, June 05, 2018 5:11 PM
To: Web Enabling the IBM i (AS/400 and iSeries) <web400@xxxxxxxxxxxx>
Subject: Re: [WEB400] IPv6 day

Isn't this really a concern of network administrators? Maybe your ISP runs
out of static IP 4 addresses, or they start charging more for IP 4 addresses
than IP 6? Should web application developers be concerned? Won't the network
guy just give you a domain name that points to an IP 6 address, and works
seamlessly?


On Tue, Jun 5, 2018 at 4:00 PM, Raul Jager <raul@xxxxxxxxxx> wrote:

June 6 is IPv6 day.

We, in the midrange must plan to leave IPv4 as secondary and focus in
IPv6, otherwise we are going to give a strong argument to the ones
that say midrange is obsolete.

Some information:
https://labs.ripe.net/Members/ulka_athale_1/ripe-ncc-educa-ipv6-day

At some point in time IBM made a mistake with the use of the
protocols, The i tried to connect using IPv6, and if timed out used
IPv4. The idea was to push the use of IPv6, but it back fired, and
some PTFs later they changed the protocol, requesting IPv6 and IPv4
together and using the one that responded first. Since IPv6 is usually
faster, if available the i will use it, otherwise fall back to IPv4

without delay.

At present the i works great with "dual stack", using both protocols.

At the time the i used IPv4 only after IPv6 timed out there where to
ways to solve it, the good one, set up IPv6, and the easy one disable
IPv6. Sadly, there are still some people advising to disable IPv6.

Enjoy, the future internet is here.


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