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Amidst the fascinating news from the SCO saga, preparing for SANS London and contributing to the Unix timeline project at Grokline my eyes caught a piece of rather distressing news on the BBC. It appears that BT (British Telecom) intends to move its current phone network to an IP-based network by 2009 thereby sending the circuit-switched technology off to the attic. The real question is: can we guarantee the same level of reliability on VoIP as we had on circuit-switched telephony when the stated aim is to carry both voice and data traffic down the same cables (or fibres more likely)? more
Comcast's furtive and undisclosed traffic manipulation reminds me of a curious, red herring asserted by some incumbent carriers and their sponsored researchers: that without complete freedom to vertically and horizontally integrate the carriers would lose synergies, efficiencies and be relegated to operating "dumb pipes."... Constructing and operating the pipes instead of creating the stuff that traverses them gets a bad rap. It may not be sexy, but it probably has less risk. But of course with less risk comes less reward, and suddenly no one in the telecommunications business is content with that. So incumbent carriers assert that convergence and competitive necessity requires them to add "value" to the pipes. more
Big news today - Judge Tatel has written the D.C. Circuit's opinion in Comcast v. FCC, and Comcast wins. Bottom line: The FCC didn't have regulatory authority over Comcast's unreasonable network management practices because it failed to tie that authority to any express statutory delegation by Congress... more
We got used to it: if we open a website, it's always like stop and go on a high-traffic highway or city traffic jam. At some point, we will reach the destination. The constant stalling is due to a traffic rule for the Internet called TCP (Transmission Control Protocol). The TCP/IP protocol family comes from the American defense industry. It was introduced by DARPA (Defence Advanced Research Projects Agency) in the early 1970s. At that time, no one had the Internet as the need of the masses on the screen. more
As someone closely involved with the Australian National Broadband Network (NBN) and many other fibre plans around the globe, I would like to provide an inside picture of the revolutionary developments that are taking place in the Australian broadband market. Australia's national broadband network will be an FttH-based open wholesale network -- a network that will connect (not pass) 90% of all Australians to fibre, with the remaining 10% of the population being linked to that network through technologies that are capable of delivering equivalent services. more
Those wacky editorial writers at the Wall Street Journal just cannot seem to get the facts straight about network neutrality and what the FCC has done or can do on this matter. In the July 30, 2008 edition (Review and Outlook A14), the Journal vilifies FCC Chairman Kevin Martin for starting along the slippery slope of regulating Internet content. The Journal writers just seem to love hyperbole, and are not beyond ignoring the facts when they do not support a party line. Here are a few examples from the editorial... more
One of the pieces of infrastructure that makes all kinds of networks work and yet gets very little attention is the directory. Directories are big business. For example, there's directory of telephone numbers run by NeuStar, Inc. NeuStar has annual revenues of $92 million. Now, according to Light Reading, AT&T Corp. and MCI Inc., together with unidentified cable companies, telephone companies, and ISPs are preparing to form a Limited Liability Corporation (LLC) that will run a process to define a new company that will run ENUM. more
Very surprising and welcome announcement from Verizon Wireless yesterday announcing that "it will provide customers the option to use, on its nationwide wireless network, wireless devices, software and applications not offered by the company. Verizon Wireless plans to have this new choice available to customers throughout the country by the end of 2008..." And Verizon Wireless is right to open up. There's plenty of room to be cynical about this; after all, Verizon Wireless is trying to STOP the FCC from putting an openness requirement on the 700Mhz spectrum to be auctioned... more
Nominet, the national registry for .uk domain names, has announced that ENUM, a registry service combining UK telephone numbers and the Domain Name System (DNS) for VoIP calls, is live. ENUM, also known as Telephone Number Mapping, is expected to allow companies and their customers and suppliers to make free or cheaper calls. In addition to the cost savings, other value-added features that ENUM is expected to provide for corporate communications include 'follow me' type function that will allow an individual to choose how (voice, fax, mobile, email, text messaging, location-based services and websites), and when they would like to be contacted throughout the day. more
This month I thought I could feel smug, deploying Postfix, with greylisting (Postgrey), and the Spamhaus block list (SBL-XBL) has reduced the volume of unsolicited bulk commercial email one of our servers was delivering to our clients by 98.99%. Alas greylisting is a flawed remedy, it merely requires the spambots to act more like email servers and it will fail, and eventually they will... more
ipoque, a European deep packet inspection hardware provider has published an Internet study for 2008/2009 providing an overview of the Internet's current state based on analyzing 1.3 petabytes of Internet traffic -- "the amount of data equal to 300,000 DVDs" -- in eight regions of the world (Northern Africa, Southern Africa, South America, Middle East, Eastern Europe, Southern Europe, Southwestern Europe, Germany). The study includes the use of about 100 of the most popular Internet protocols including P2P, VoIP, media streaming, instant messaging. more
One of the most profoundly disruptive developments occurring in the cyber security arena today is the headlong rush by a set of parties to ubiquitously implement extreme End-to-End (e2e) encryption for communication networks using essentially unbreakable encryption technology. A notable example is a new version of Transport Layer Security (TLS) known as version 1.3. The activity ensues largely in a single venue... more
The recent row between Google, Apple and AT&T concerning the removal of Google Voice from the Apple iPhone store highlights the friction existing between network operators and so-called over the top (OTT) application providers. Most observers believe that AT&T initiated the blockade because Google Voice (which offers free or highly discounted calling rates) is a direct threat to AT&Ts call revenue (Google Voice users need only pay AT&T for access to the Internet). more
ENUM (E.164 NUmber Mapping) is a technology that has been around for a little while that has promised much and, so far, delivered little to the average user. As Nominet has recently been awarded the contract to administer the UK 4.4.e164.arpa delegation, I thought it was time that I put my thoughts on this subject down in writing. I'm going to cover the potential of ENUM in the telecoms industry and what it could mean to you, along with how it is currently being used and what potential security issues surround ENUM. more
Last Friday (HT: IPDemocracy), Google filed a petition [PDF] asking that the Commission ensure that Verizon understands what those "open platform" requirements for the C Block really mean. Verizon has taken the position in the past that its own devices won't be subject to the "open applications" and "open handsets" requirements of the C Block rules, and Google says it is concerned that Verizon doesn't plan to follow those requirements in the future. This is big. Here's the background... more
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