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Convergence as a technology concept has been around for decades. Many have predicted the convergence of electronics and entertainment, of PC's and TV's, and more recently of WiFi and cellular. All of these areas are in fact undergoing various degrees of convergence but there is another area that many are not as familiar with. It is called ENUM...The idea can be extremely useful when you consider that most telephones are limited to twelve keys on a keypad. Ever tried to enter your alphanumeric login ID and password to a web site on a cell phone or Personal Digital Assistant? It is next to impossible! The biggest impact of ENUM will probably be for Voice Over IP (VoIP). In fact, it could be the tipping point. ENUM is a really big deal. more
Geofeed data, long reliant on unverifiable self-assertions, faces mounting security risks. Integrating RPKI could transform it into a trusted, cryptographically validated infrastructure, strengthening routing integrity, regulatory compliance, and digital sovereignty across an increasingly contested internet. more
Iran-linked hackers infiltrated US industrial control systems, disrupting energy and water infrastructure. The attacks highlight systemic vulnerabilities in internet-connected devices and signal an enduring cyber threat despite easing geopolitical tensions. more
As IP addresses move across borders, outdated geolocation guesses cause service failures and regulatory risks. Geofeed and Signed Geofeed replace inference with verified declarations, promising accurate, resilient and sovereign foundations for global internet infrastructure governance. more
Despite the long-anticipated exhaustion of IPv4 addresses, the Internet continues to function through clever workarounds, market transfers, and cautious optimism, while IPv6 adoption remains slow and the future of global connectivity appears uncertain. more
Networks are typically built to provide certain services at an expected scale. The rationale for this focused objective is entirely reasonable: to overachieve would be inefficient and costly. So, we build service infrastructure to a level of sufficient capability to meet expectations and no more. In ideal conditions, this leads to a widely deployed and highly efficient infrastructure that is capable of supporting a single service profile. more
Dave Taht died on April 1st. I met him only recently, and never in person, but his passing saddens me. His technical work and evangelism have improved the Internet, and I will give some examples of his contributions to the Internet community and users, but I am sad because he was a good person -- idealistic, unselfish, open, and funny. I'll miss him. First, his contributions, then his values. more
The shift from IPv4 to IPv6 has been a protracted and complex process, raising questions about why this transition has been so sluggish despite the depletion of IPv4 addresses more than a decade ago. more
An IPv4 address identifies your connection to the online world. IP addresses make it possible to host websites, manage secure communication, and engage in countless other essential, internet-related activities. Typically, when migrating to a new cloud provider, a business has only one path: lease the provider's IP addresses. But what if a business already has a block of IP addresses? more
The Internet represents a threshold moment for the communications realm in many ways. It altered the immediate end client of the network service from humans to computers. It changed the communications model from synchronized end-to-end service to asynchronous and from virtual circuits to packet switching. At the same time, there were a set of sweeping changes in the public communications framework... more
On Monday May 23 2022 at 3 -- 5pm EEST (12:00 -- 14:00 UTC) the Finnish Internet Forum will convene a panel at the University of Helsinki with the topic 'Internet and War'. A panel of experts will address the question of how the war has affected the Internet and how the Internet has been used to influence Finland and elsewhere during the war. The event will be conducted in English. more
Network operators rely on guidance from IP address experts because not all IP addresses used on the Internet are the same. The "reputation" of email senders is especially important because some are malicious users of the system. But identifying "senders" based on their email addresses or the individual IP address of a user presents issues that are unnecessarily complex. more
I've often joked that I don't play computer games because I'm holding out for a holodeck. While that may sound ridiculously far-future, we're on the verge of seeing the web-based virtual reality that will be a major step towards a holodeck. There is already some awesome virtual reality software and games where a person can get immersed in another world using a headset. more
On Friday, Mykhailo Fedorov, Ukraine's digital transformation minister, asked Cloudflare and Amazon to stop serving Russian web resources and protecting Russian services. He said in a tweet that Ukraine was "calling on Amazon to stop providing cloud services in Russia." He also said that "Cloudflare should not protect Russian web resources while their tanks and missiles attack our kindergartens." more
The network operations community is cautiously heading back into a mode of in-person meetings, and the NANOG meeting at the start of November was a hybrid affair with a mix of in-person and virtual participation, both by the presenters and the attendees. I was one of the virtual mob, and these are my notes from the presentations I found to be of personal interest. I hope you might also find them to be of interest as well... The year 2021 has not been a good year for Internet outages. more
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