China Jumps to IPv6 While U.S. Moves Slowly Away From IPv4
March 11, 2013 6:19 PM
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China's state ISP rolls out next generation standard
The ever-present desire for censorship may be the carrot, but for whatever reason China has a head start on
. Even as the U.S. moves sluggishly towards the next generation internet address protocol, 3TNet -- China's state-provided broadband internet and public video service -- has made the switch.
The upside of IPv6 is one that's likely highly desirable in China -- more space. IPv4, the previous standard, only allows 4.3 billion unique web addresses. With over a billion people, China may surpass that total in domestic pages alone.
IPv6 is also expected to beef up security. Using a technology called Source Address Validation Architecture (SAVA), IPv6 networks establish a relationship based on multiple trusted interactions across a network. This can help beat so-called "IP spoofing" attacks, and advances the current version of IPv6 over
less secure earlier versions
A U.S. Navy sponsored
made public this week, authored by the
New England Complex Systems Institute
, listed identity trust and the lack of addressing space as the two biggest shortcomings of the widespread and successful IPv4.
Running out of room, China has turned to IPv6 for more space and security.
[Image Source: Digital Trends]
That's not to say IPv6 doesn't have its potential problems as well. While the new protocol increases addressing space by 80 trillion or so, some fear it provides too fine grain identification, eliminating anonymity on sensitive locations like private networks. There's also fear that the technology's ability to uniquely identify traffic sources could be
overstated by the layman
(as people could still hack into your device and do mischief on your precise IP).
Ultimately China may be eager to de-anonymize its citizens as well. The nation has long fought to control its citizens' internet activities; now it has a far finer form of tracking. However, it may not be immediately available to bump its domestic surveillance capabilities, as the extra information requires extra data mining and new analysis algorithms to store and process into useful results.
[Image Source: Boot Click]
For now, Chinese citizens are mostly enjoying the benefits of IPv6 alone -- more space and more security.
, an information systems specialist at the
University of Maryland
, who also chairs the
Chinese American Network Symposium
, says that China is far ahead of the U.S. in IPv6 deployment. In an interview with
, he comments on 3TNet, "China has a national internet backbone in place that operates under IPv6 as the native network protocol. We have nothing like that in the US."
China is also leading the U.S. in some other high tech ventures, such as
deploying high speed rail
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RE: Increased by 80 Trillion?
3/12/2013 10:14:12 AM
but you ARE using NAT. Which means that you could have thousands of devices, but still use the same number of IP addresses - one. So in your lifetime your IP address consumption has stagnated at one.
Technically we could forgo IPv6 if all ISPs would virtualize, but the transition is inevitable and ultimately simpler.
RE: Increased by 80 Trillion?
3/12/2013 3:59:24 PM
Thats the issue though. There may be billions of routers all using 192.168.x.x, which is fine for smaller internal networks.... but once you start figuring in all the devices, connections, routers, etc, then all the websites, the main issue becomes routing. Lets use my house for example: modem, 2 routers, 2 smart phones, 3 tablets, 2 printers, 9 PCs, 4 Virtual machines, 2 Wiis, PS3, wifi streaming music player device... that is 28 in a single household. Add in new devices coming out like smart TVs and new smart fridges and so many more connected devices, and it would easily come to over 100 per household, and 1000 per small business.
DRS (dynamic routing servers for IPv6) will need to know where that IPv6 address is since it cannot rely on NAT or DNS anymore. When the home has 3 dozen IPv6 connections, how is the DRS to know your location without some sort of "here I am" algorithm, which is where the privacy concerns come in? Sure, new IPv6 compatible routers could be set to keep a register of each IPv6 address for internal routing, but what happens when it gets a request from the outside world for an internal IPv6 device/address or the router gets hacked? This is why China speeding ahead with this without proper security in place is just a bad idea, and internal versus external IPs are still needed. The current flawed IPv6 is too much like modern Mac addresses, each device is unique, there is no separation of the internal network and external network addresses, so routing becomes massively more complex on a large scale.
This is why IPv6 sounds good on a large scale, but for small scale home or small business usage, there is no need to upgrade when the current system works fine.
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