This week two major transoceanic cables experienced outages that may last several days. The outages provide a reminder that several Internet bottlenecks exist where these cables make landfall. When one thinks of bottlenecks in telecommunications the first and last mile come to mind. Yet equally vulnerable are the last few 1000 feet of submarine cable links. more
NANOG 62 was held at Baltimore from the 6th to the 9th October. These are my observations on some of the presentations that occurred at this meeting. .. One of the more memorable sides in this presentation was a reference to "map" drawn by Charles Minard in 1869 describing the statistics relating to the Napoleonic military campaign in Russia, and the subsequent retreat. more
A recent Infonetics press release says "WiMAX has gained such momentum across so many regions that it is no longer sensible to suggest that WiMAX growth will be flattened by the emergence of LTE [Long Term Evolution] in the next few years." Probably true, but it's also clear WiMAX will never reach the scale of either mainstream wireless family, i.e., WiFi or GSM/3GSM. By comparison with these giants, WiMAX will be a fringe operation. The critical issue is volume, and what counts is the wireless technology brand, not the technology itself. more
BT, United Kingdon's ISP, has confirmed IPv6 will finally be enabled on their network from this Autumn 2016 – but it will be early 2017 before all of their customers can use it, Mark Jackson reported today in ISPreview.co.uk. more
At the Emerging Communications Conference eComm 2008, I'm moderating a panel "Wireless Innovation, with or without operators." This will be a discussion -- smart people from differing camps responding to (hopefully) probing questions from yours truly, and the audience. Points of view represented include Google Android, J2ME/JavaFX Mobile, iPhoneWebDev.com, Skype and Trolltech Qtopia (Nokia), plus Chris Sacca, formerly head of Google's wireless initiatives. I've been thinking about subjects and questions for the panel. As a start, I'll set down my current views, then seek others' views and questions. more
I recently posted updates on the satellite Internet service projects of SpaceX and OneWeb. OneWeb and SpaceX have received a lot of publicity, but there is a third entry in the global satellite Internet race -- Boeing. Boeing has applied for a license to launch a constellation of 2,956 Internet-access satellites orbiting at an altitude of 1,200 km. (In a subsequent amendment, the orbits were lowered to three different levels). They outlined a two phase plan... more
As the unallocated IPv4 address pool runs out, are Internet Service Providers (ISPs) actually deploying IPv6? The graph, first in a series from RIPE Labs, looks at the IPv6 "ripeness" of all ISPs registered as RIPE NCC members. We created a rating system that gives ISPs up to four "stars" for IPv6 services that they provide, based on the following criteria... more
August 2014 is proving yet again to be an amusing month in the Australian political scene, and in this case the source of the amusement was watching a number of Australian politicians fumble around the topic of digital surveillance and proposed legislation relating to data retention measures. The politicians assured us that the proposed data retention measures were nothing untoward, and all that was being called for was the retention of "metadata" by Australian ISPs for a period of two years. more
The FCC has long battled for a more efficient deployment of unused spectrum, endeavouring to adapt rules governing 'white space' TV spectrum (largely gifted to broadcasters years ago, and generally in the 700MHz band) to newly released spectrum (in the 600MHz band). This will considerably improve wireless broadband coverage where it is needed most... Certainly, in the US's disjointed broadband sector there are considerable challenges ahead... more
A lot of people have been talking about the "interconnection" deal between Comcast and Netflix and whether that deal is related to network neutrality. (It is.) This question comes partly because the FCC's 2010 Open Internet Order (also known as the network neutrality order) was recently struck down. So network neutrality lands back at the FCC, with a new Open Internet proceeding, at the same time Netflix starts working so poorly on Comcast that Netflix had to cut a special deal with Comcast. more
On Tuesday (November 30) Internet backbone provider Level3 publicly accused cable-based ISP Comcast of trying to thwart competing video services delivered through the internet. Comcast was, according to Level3, suddenly choosing to charge it more because of its carriage of Netflix traffic. The accusation was consciously framed to raise net neutrality alarms. It appeared as if a cable TV giant was using its control of internet access to make access to a competing, over the top video service more expensive... Then the full story came out. more
On Monday, 11 April 2011, Level 3 announced they had entered a definitive agreement to acquire Global Crossing. According to the Renesys Market Intelligence rankings, this merger would bring together the world's #1 and #2 global providers, with over half the Internet market on earth dependent on the combined entity. If the deal gained regulatory approval in the US and elsewhere today, how would the Internet provider landscape change? We'll answer that question in this blog, giving the proposed union a fictional name of Level Crossing for the purposes of our discussion. more
The internet is unavailable and/or unaffordable by about 50% of the world's population. The situation is worse in, but not confined to, developing nations where the service is typically sub-standard when it is available.Geostationary satellite connectivity is available globally, but it is slow and expensive because the satellites are high above the Earth. Low-Earth orbit (LEO) satellites can deliver speeds comparable to terrestrial links, but constellations of many satellites would be needed to serve the entire planet. more
I wrote this in response to some interest in my experience with the reality of FiOS. The short summary is that there is no magic. Sure having Fiber is nice but it isn't that much different than my "cable" service. The bigger difference between Comcast and Verizon is in the nature of the businesses. Comcast is a content company trying to move on to it looks beyond the STB with its purchase of NBCU whereas Verizon seems to want to continue the 1990's vision of the STB as its entrée into the home. more
It's common to hear that oversubscription is the cause of slow broadband -- but what does that mean? Oversubscription comes into play in any network when the aggregate subscribed customer demand is greater than the available bandwidth. The easiest way to understand the concept is with an example. Consider a passive optical fiber network where up to 32 homes share the same neighborhood fiber. more