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IPv6 Transition Strategies

by Juniper Employee ‎06-07-2011 03:03 PM - edited ‎06-07-2011 03:07 PM

While much of the recent media attention surrounding Internet addressing has been portrayed in stark terms -- either IPv4 or IPv6—this is a false choice.  The way we see it, the discussion is more properly framed as IPv4 and IPv6 coexistence.  The reality is that the more than two billion current Internet users globally are using IPv4 addresses, so the transition to IPv6 will be gradual, unfolding in a controlled manner over many years.  We can look to the  evolving transitions from ATM and Frame Relay to Ethernet as an informative precedent.  

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adurand

World IPv6 day

by Juniper Employee on ‎06-06-2011 03:50 PM

I wanted to add a quick blog entry on the upcoming World IPv6 day, scheduled for 8 June 2011, from 0000 to 2359 UTC, sponsored by ISOC.

 

www.Juniper.net will have both IPv6 and IPv4 access enabled for this 24 hour period. After conducting some dry runs over the past two weekends I’m confident that the ‘test flight’ will take off with little or no impact to the user community. Of course, we will be monitoring this closely. Stay tuned, I plan to post detailed findings after the event. 



adurand

Translator in the Cloud

by Juniper Employee ‎05-16-2011 08:26 PM - edited ‎06-20-2011 01:02 PM

In my previous blogs I’ve promised to explain how the IT team here at Juniper Networks implemented ‘translator in the cloud’ to create the ipv6.juniper.net URL allowing IPv6 clients to access any collateral on the Juniper Networks public site. This was a relatively easy 3 step process which I hope I can outline clearly today. Please don’t hesitate to leave a comment if any part needs to be clarified.

 

Today 0.4% of the top 1-million web sites are IPv6 reachable (Comcast IPv6 adoption monitor) a negligible amount for sure. Planned test-drives like the World IPv6 day on June 8th will increase the momentum toward IPV6.

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adurand

Webinar Invite: From an IPv4 Global Internet to a Mix of IPv4 NATed and IPv6 World

by Juniper Employee ‎03-04-2011 03:24 PM - edited ‎03-04-2011 03:26 PM

Juniper Networks presents:

Webinar: From an IPv4 Global Internet to a Mix of IPv4 NATed and IPv6 World

Thursday, March 10, 2011
1:00 PM ET

Register Today

 

As the IPv4 address space moves rapidly toward depletion, service providers need to make educated, practical decisions about the technologies they will employ in their networks. They'll need to consider both the business and the technical challenges inherent in this important technological and market shift. And they'll need to focus on reducing the short-term business risk presented by IP address depletion while choosing tools to interoperate in a mixed IP version world.

 

This webinar examines several technology alternatives for IPv4 and IPv6 integration including Dual Stack, Dual Stack Lite, Carrier-Grade NAT, and others. The webinar also looks at use cases for various scenarios facing service providers, from those with modest growth expects in wireline markets to those facing heavy growth in new devices.

 

Presenter
Alain Durand, Principal Networking Architect and Software Engineering Director, Juniper Networks

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adurand

The Times They Are a-Changin' (Bob Dylan)

by Juniper Employee ‎03-04-2011 01:20 PM - edited ‎03-04-2011 01:21 PM

Some notes from my recent travels to the IPV6 World Congress meeting in Paris.

 

I presented “the evolution of the internet to a mixed world of NAT and IPv6” It may seem incongruous to spend time talking about NAT and IPv4 at an IPv6 conference. However it was critical to anchor our conversations in reality. The fact is IPv4 will be around for many years to come (see my “The IPv4 long tail” blog entry)

 

I also chaired the SP panel discussing  “v6 deployment hurdles”. This turned into an extremely lively affair. Dialog around regulation and the role of regulators for IPV6 was very interesting and something I will need to track moving forward.  Q&A from the audience was very active. Given this was the last event on the last day of the 3 day conference I was surprised at the continued high levels of energy in the auditorium. Unfortunately I needed to end the discussion at 7pm sharp due to travel and previous commitments for the panel members. It was clear the audience did not want this event to end. I’m pretty sure we could have continued this 90 minute discussion for another couple of hours. 

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adurand

Juniper Actively Participating in World IPv6 Day

by Juniper Employee on ‎02-03-2011 08:33 PM - last edited on ‎02-08-2011 02:56 PM by Administrator Administrator

Previously I spoke about the IPv4 long tail of content,  noting  how few internet web sites support IPv6 , ~0.15% of the top 1 million. This number will certainly grow over time, but right now, it is low...  1500 sites out of one million.

 

Some large content providers have expressed worries that enabling IPv6 on their web servers will impact their regular IPv4 users... That might happen, but exactly how? And how many people would be impacted? Google estimates 0.05% of users, the actual number may be much lower than this... To have a better idea of how things really are, the Internet society (ISOC) is coordinating on June 8th a “test drive” day for organizations to offer their content over IPv6. This event has gathered a lot of attention in the industry and I'm happy to announce that Juniper will be a committed participant.

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adurand

The IPv4 Long Tail

by Juniper Employee on ‎02-02-2011 09:38 PM - last edited on ‎02-08-2011 02:55 PM by Administrator Administrator

In my opinion there are actually two IPv4 long tails, the first is the plethora of home devices ( PCs, gaming consoles, home routers, web cams, wifi cameras, Internet TVs ) which are, for the most part, IPv4-only. The second long tail is on the content side, only 0.15% of the top 1 million web sites are available over IPv6. Of course this will change but it will be some time, possibly decades, before all content is available over IPv6. It is abundantly clear that IPv4 and IPv6 must coexist as the Internet expands.

 

At Juniper, we have a pragmatic approach to address this diversity. At the end of the day, this is not about making a choice between IPv6 or IPv4 but the coexistence of IPv6 and IPv4. This is about growing the Internet.

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adurand

The Sky Is Not Falling, and IPv6 Will Take To The Air

by Juniper Employee on ‎01-21-2011 02:09 PM - last edited on ‎02-08-2011 02:57 PM by Administrator Administrator

IPv6 was designed back in the early 1990s as a replacement for IPv4. Back then, it was already clear that one day the Internet would run out of IPv4 addresses. A number of techniques (CIDR, NAT) have been developed which extended the runway for IPv4 for 20 years. 

 

Now, IANA is forecasted to allocate the last /8 blocks of IPv4 addresses early this year, and the Regional Internet Registries (RIRs) are talking about exhausting their pool soon after. The favorite game in town is to predict the exact date this will happen. As of today, January 20th, Geoff Huston (ipv4.potaroo.net) has a scientific model that says February 2, 2011. I will venture another guess: March 13, 2011. This is the date of the next ICANN meeting.

 

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