RE: ipv4 and ipv6 Coexistence.

Khaled Omar <> Wed, 19 February 2020 22:43 UTC

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From: Khaled Omar <>
To: "Eric Vyncke (evyncke)" <>, Erik Nygren <>
CC: IETF Rinse Repeat <>
Subject: RE: ipv4 and ipv6 Coexistence.
Thread-Topic: ipv4 and ipv6 Coexistence.
Date: Wed, 19 Feb 2020 22:43:15 +0000
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>> Khaled, I will anyway follow your advice and won’t waste my time anymore on this thread ;-)

Yes, hoping a solution will come from anywhere to solve this issue.

From: Eric Vyncke (evyncke) <>
Sent: Thursday, February 20, 2020 12:05 AM
To: Khaled Omar <>om>; Erik Nygren <>
Cc: IETF Rinse Repeat <>
Subject: Re: ipv4 and ipv6 Coexistence.

IPv6 deployment takes indeed longer than most of us had hoped for...

In several countries, more than half of the Internet users use IPv6 daily (less in enterprise deployment). ISPs in my country, Belgium, see between 30% to 40% of their traffic being IPv6 (mainly to the big content providers).

Khaled, I will anyway follow your advice and won’t waste my time anymore on this thread ;-)

Regards and thank you for your interest in keeping the Internet up and running


From: ietf <<>> on behalf of Khaled Omar <<>>
Date: Wednesday, 19 February 2020 at 19:51
To: Erik Nygren <<>>
Cc: IETF Rinse Repeat <<>>
Subject: RE: ipv4 and ipv6 Coexistence.

Ok, I think I got the answer for my question, don’t want to waste your time.

Waiting and watching for a better solution to be applied practically.

Khaled Omar

From: Erik Nygren <<>>
Sent: Wednesday, February 19, 2020 8:43 PM
To: Khaled Omar <<>>
Cc: Christopher Morrow <<>>; IETF Rinse Repeat <<>>
Subject: Re: ipv4 and ipv6 Coexistence.

It really is a composite story of individual ISPs, devices, and content.
Some stats I published two years ago from the perspective of one CDN:

and things have grown since.  For example, Akamai just peaked at 21 Tbps of global IPv6 traffic delivered:

During a peak like that, some large countries and customers
can see a majority of traffic being IPv6.  You can see some of the wide
variation between ISPs here:

(There are also a few consumer electronics devices holding the numbers down
in large residential networks.)


On Wed, Feb 19, 2020 at 12:35 PM Khaled Omar <<>> wrote:
>> these numbers are ~2yrs old... but 25% is not "almost nobody".

Actually, devilations in percentages makes things worse, some think it is 25% others think it is 30% others think no IPv6 at all :) and all these percentages are incorrect because only one thing can make it clear, to find an official solution announced for everybody stating that what should we do in such situation.

Best Regards,

Khaled Omar

-----Original Message-----
From: Christopher Morrow <<>>
Sent: Wednesday, February 19, 2020 6:51 PM
To: Khaled Omar <<>>
Cc: IETF Rinse Repeat <<>>
Subject: Re: ipv4 and ipv6 Coexistence.

On Wed, Feb 19, 2020 at 9:28 AM Khaled Omar <<>> wrote:

> From what I see in the real world, IPv4 still dominating and almost nobody started using IPv6, and also, I didn’t find any solution applied practically in today’s networks for this issue.

I don't think it's accurate to say: "almost nobody started using ipv6"

these numbers are ~2yrs old... but 25% is not "almost nobody".