September 2019 archive

Slides – VT CodeCamp Presentation about Why App Developers Should Care about IPv6

Yesterday (Sept 28, 2019) at Vermont CodeCamp 11 in Burlington, VT, I gave a talk titled “Yes, IPv6 is Real! How To Make Your Apps Work (And Be As Fast As Possible) ” with the abstract:

How well do your applications or websites work over IPv6? As the world runs out of IPv4 addresses, new mobile networks are being deployed as “IPv6-only” with IPv6-to-IPv4 gateways at the edge of those networks. The result is that apps and sites that work natively over IPv6 will be faster for users than apps and sites stuck on only IPv4. Many leading services have already made this transition, and Apple now requires IPv6 for all apps in their AppStore. In this session, you’ll learn about tips and tools to successfully migrate your applications and sites to work over both IPv4 and IPv6.

It was an enjoyable session with a good number of questions from the participants. The slides are available on SlideShare at:

Thank you to the VT Code Camp organizers for accepting my proposal to speak – and for all the participants in the session for the attention and questions. I hope I helped some of them understand a bit more of why they should make sure their apps work over IPv6 – and how to get started!

P.S. If you’d like someone to speak on this topic at a conference or event you are organizing, please do contact me.

Slides – VT CodeCamp Presentation about Why App Developers Should Care about IPv6

Yesterday (Sept 28, 2019) at Vermont CodeCamp 11 in Burlington, VT, I gave a talk titled “Yes, IPv6 is Real! How To Make Your Apps Work (And Be As Fast As Possible) ” with the abstract:

How well do your applications or websites work over IPv6? As the world runs out of IPv4 addresses, new mobile networks are being deployed as “IPv6-only” with IPv6-to-IPv4 gateways at the edge of those networks. The result is that apps and sites that work natively over IPv6 will be faster for users than apps and sites stuck on only IPv4. Many leading services have already made this transition, and Apple now requires IPv6 for all apps in their AppStore. In this session, you’ll learn about tips and tools to successfully migrate your applications and sites to work over both IPv4 and IPv6.

It was an enjoyable session with a good number of questions from the participants. The slides are available on SlideShare at:

Thank you to the VT Code Camp organizers for accepting my proposal to speak – and for all the participants in the session for the attention and questions. I hope I helped some of them understand a bit more of why they should make sure their apps work over IPv6 – and how to get started!

P.S. If you’d like someone to speak on this topic at a conference or event you are organizing, please do contact me.

Yes, IPv6 is Real! How To Make Your Apps Work (And Be As Fast As Possible)


A talk I gave at Vermont CodeCamp 11 on September 28, 2019. ---- Abstract ---- How well do your applications or websites work over IPv6? As the world runs out of IPv4 addresses, new mobile networks are being deployed as “IPv6-only” with IPv6-to-IPv4 gateways at the edge of those networks. The result is that apps and sites that work natively over IPv6 will be faster for users than apps and sites stuck on only IPv4. Many leading services have already made this transition, and Apple now requires IPv6 for all apps in their AppStore. In this session, you’ll learn about tips and tools to successfully migrate your applications and sites to work over both IPv4 and IPv6. Bring your questions and concerns - and sharing of success stories would be welcome, too.

Big Change – “Migrating Apps To IPv6” no longer published by O’Reilly – new Second Edition planned for 2020

There has been a big change with the book. About a year ago I approached my editor at O’Reilly about creating a second edition of the book. It turned out that because the book hadn’t really ever sold well (more on that below), they were no longer interested in carrying the book. They were, however, willing to revert the copyright and all content to me (except for the cover art and their branding, of course). This was actually fine by me and so we parted amicably.

I am immensely grateful to O’Reilly for publishing the first edition of this book! As people who have read the book know, the book emerged out of a proposal to speak at the OSCON 2011 conference. I thank the whole team at O’Reilly for all their help in making this book happen.

What’s Next?

I’m now planning a Second Edition of the book, with the plan to simply self-publish through one of the various publishing platforms (most likely Amazon, but we’ll see). The goal will be to publish sometime in 2020.

I am also planning to make all of the content freely available in a git repository. It won’t be on Github, because that site only works over IPv4. I’m looking into several Gitlab installations that do work over IPv6.

Along the way I’ll be converting the text from DocBook XML to Markdown, updating a good number of the links, and making a number of other changes.

I am very excited about this change. One of the issues I had with the First Edition (and the major critique in any reviews) was that the book was priced at $24.99. This was not MY choice. In a traditional publishing relationship, the publisher sets the price. The author has no control over this. I always felt this was too high for the small size of the book. Now, I can set a more appropriate price. I can also make the content available for free, as I mentioned above.

If you are interested in receiving updates about the Second Edition as I move forward with it, please fill out this short form.

Thanks to everyone who has helped with the book over the years. Thank you again to everyone at O’Reilly who helped make this book happen.

Now… on to the Second Edition!

Big Change – “Migrating Apps To IPv6” no longer published by O’Reilly – new Second Edition planned for 2020

There has been a big change with the book. About a year ago I approached my editor at O’Reilly about creating a second edition of the book. It turned out that because the book hadn’t really ever sold well (more on that below), they were no longer interested in carrying the book. They were, however, willing to revert the copyright and all content to me (except for the cover art and their branding, of course). This was actually fine by me and so we parted amicably.

I am immensely grateful to O’Reilly for publishing the first edition of this book! As people who have read the book know, the book emerged out of a proposal to speak at the OSCON 2011 conference. I thank the whole team at O’Reilly for all their help in making this book happen.

What’s Next?

I’m now planning a Second Edition of the book, with the plan to simply self-publish through one of the various publishing platforms (most likely Amazon, but we’ll see). The goal will be to publish sometime in 2020.

I am also planning to make all of the content freely available in a git repository. It won’t be on Github, because that site only works over IPv4. I’m looking into several Gitlab installations that do work over IPv6.

Along the way I’ll be converting the text from DocBook XML to Markdown, updating a good number of the links, and making a number of other changes.

I am very excited about this change. One of the issues I had with the First Edition (and the major critique in any reviews) was that the book was priced at $24.99. This was not MY choice. In a traditional publishing relationship, the publisher sets the price. The author has no control over this. I always felt this was too high for the small size of the book. Now, I can set a more appropriate price. I can also make the content available for free, as I mentioned above.

If you are interested in receiving updates about the Second Edition as I move forward with it, please fill out this short form.

Thanks to everyone who has helped with the book over the years. Thank you again to everyone at O’Reilly who helped make this book happen.

Now… on to the Second Edition!

Watch Live Tonight – 2019 Internet Hall of Fame Ceremony (Featured Blog)

Tonight (27 Sep 2019) you can watch the 2019 Internet Hall of Fame induction ceremony streaming live out of Costa Rica. Eleven individuals from six countries will be inducted into the Internet Hall of Fame (IHOF) today. The 2019 class of inductees have expanded the Internet's reach into new regions and communities, helped foster a greater understanding of the way the Internet works, and enhanced security to increase user trust in the network. More...

Watch Live Tonight – 2019 Internet Hall of Fame Ceremony (Featured Blog)

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Call for Participation – ICANN DNSSEC and Security Workshop at ICANN66, Montreal, Canada (Featured Blog)

The ICANN Security and Stability Advisory Committee (SSAC) and the Internet Society Deploy360 Programme are planning a DNSSEC and Security Workshop on Wednesday, 06 November 2019, during the ICANN66 meeting held from 02-07 November 2019 in Montreal, Canada. The original DNSSEC Workshop has been a part of ICANN meetings for many years and has provided a forum for both experienced and new people to meet, present and discuss current and future DNSSEC deployments. More...

Call for Participation – ICANN DNSSEC and Security Workshop at ICANN66, Montreal, Canada (Featured Blog)

The ICANN Security and Stability Advisory Committee (SSAC) and the Internet Society Deploy360 Programme are planning a DNSSEC and Security Workshop on Wednesday, 06 November 2019, during the ICANN66 meeting held from 02-07 November 2019 in Montreal, Canada. The original DNSSEC Workshop has been a part of ICANN meetings for many years and has provided a forum for both experienced and new people to meet, present and discuss current and future DNSSEC deployments. More...

Updating the site – and deleting old posts

With some impending changes related to the book, I am cleaning up the site to remove some of the older information. For example, I am removing blog posts related to old sales from many years ago. The one down side to this is that links in old social media posts may not all work. However, an archive of the site is available: