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<small><font face="Verdana">John sometimes you worry me " Logic from
the government " total oxymoron<br>
<br>
Waste in gov and monopoly business = pure profit with someone else
paying<br>
<br>
Can you imagine going to Santa Fe and asking GSA why they have 65,000
IPV4 adds, they would probably go looking in the motor pool<br>
<br>
Someone sent me this the other day which applies nicely </font></small><i>"
</i><font size="-1"><font face="Verdana"><i>the engineer breaks a large
problem down into small pieces, each of which he can solve. The
bureaucrat takes many small problems and roles them together to form a
large problem that NO ONE can solve "</i><br>
<br>
IPV4 and 6 in ( don't mention the 5 disaster ) a nutshell<br>
<br>
Your points are wonderful and total common sense thats why they will be
resisted to the wall by big buiz and big gov<br>
<br>
I will buy you a beer for the great thought though<br>
<br>
( : ( : pete<br>
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<p class="MsoNormal"><span
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Baston</span></p>
<p class="MsoNormal"><strong><span
style="font-size: 10pt; font-family: Arial; color: maroon;">IDEAS</span></strong></p>
<p class="MsoNormal"><span
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<br>
<br>
John Brown wrote:
<blockquote cite="mid:484FDD1B.1040606@citylinkfiber.com" type="cite">
<pre wrap="">having a hard time doing the math that says 85% of the IPv4 space is
already used up. I'd say that 88% of the space is currently available
for traditional internet usage, but that its not 3% away from exhaustion.
One of the first things that needs to be done is to remove the WASTE
that is in the current allocations. Example:
Why does the "Interop Show Network, a trade show" need 16 million IP
addresses ???
Any reason why the Department of Social Security of UK needs 16 Million
IP addresses ??
or the USPS ?? or duPont ?? or Eli Lily and Company ??
or Halliburton, or Ford Motor Company ?? or HP, or IBM ?? or Xerox
Thats 160 Million IP addresses alone.....
Why Comcast would need 100 million IP's is interesting. I guess they
haven't heard of RFC 1918.
Most of these organizations use private RFC 1918 address for their
internal networks.
Or why does the State of New Mexico need 65,000 IP addresses ?? Most of
which are not in use.
IPv6 requires upgrades to edge (read customer equipment), much of which
is unable to handle the upgrade. Think all those Qwest DSL modems made
by actiontec and others. They don't support IPv6 and potentially don't
have the memory space to support the firmware updates.
Translate that into, SILLICON JUNK for the land fill.
Carroll Cagle wrote:
</pre>
<blockquote type="cite">
<pre wrap="">
* Your number’s up*
Jun 5th 2008
>From //The Economist// print edition
*Networking: The internet will run out of addresses unless a new
numbering system is adopted. After years of inaction, there are now
signs of progress*
NOBODY would expect a city water system designed for 1m residents to be
able to handle a 1,000-fold increase in population in just a few years.
Yet that is what the internet’s fundamental addressing scheme has had to
accommodate. When the network was first established there were only a
handful of computer centres in America. Instead of choosing a numbering
system that could support a few thousand or million addresses, the
internet’s designers foresightedly opted for one that could handle 4
billion. But now even that is not enough.
The addressing system, called internet protocol version 4 (IPv4), cannot
keep up with the flood of computers, mobile phones, hand-held gadgets,
games consoles and even cars and refrigerators flooding onto the
network. Nearly 85% of available addresses are already in use; if this
trend continues they will run out by 2011, the Organisation for Economic
Co-operation and Development, a think-tank for rich countries, warned in
May.
The shortage is not the only problem; so too is growing complexity. IPv4
addresses are allocated in blocks to network operators. The path to
reach each network is published on a global list that is constantly
updated. Big computers, called routers, use these entries to guide the
flow of traffic across the internet. But as more devices and networks
link to the internet, it becomes necessary to subdivide the address
blocks into ever-smaller units. This risks overtaxing the millions of
routers that handle the internet’s traffic, which must be regularly
upgraded to keep up. Were there no alternative to IPv4, parts of the
internet would eventually suffer from sporadic outages, warns Paul
Vixie, a network engineer who wrote the software the internet uses to
translate domain names (such as economist.com
<a class="moz-txt-link-rfc2396E" href="http://www.economist.com/"><http://www.economist.com/></a>) into their underlying IPv4 addresses.
Fortunately a new system does exist, called internet protocol version 6,
or IPv6. (Version 5 was a short-lived experimental system.) IPv6
provides 3.4x10^38 (4 billion to the fourth power) addresses. This means
IPv6 addresses can be allocated to network operators and companies in
much larger quantities. It also provides a clean slate for establishing
new paths over the internet, reducing complexity. But switching means
upgrading millions of devices.
In fact, support for IPv6 is already widely available in software and
hardware, but it has not been used much. Only a few research
institutions and the American government took the IPv6 plunge early on.
(In America all federal agencies must be capable of using IPv6 by June
30th 2008, by executive order.)
But in recent months the pace of change has picked up. In February Mr
Vixie and others who operate the “root nameservers”—the central
computers that translate domain names into internet addresses—flipped a
switch that means domain names can now map onto IPv6 addresses. This may
herald more widespread adoption of the new protocol, since it means that
any organisation can use IPv6 addresses with its domain names, and users
can access them without special rigging. Google was one of the first
widely used sites to take public advantage of this, setting up
ipv6.google.com, which maps to an IPv6 address for its home page.
Support for IPv6 is already baked into most popular operating-system
software. It is incorporated into Windows XP and Vista, Mac OS X 10.3
“Panther” and later, and many flavours of Unix and Linux. But operating
systems are only the taps of the plumbing system: a house’s other
fixtures (like set-top boxes), inside pipes (broadband modems and
routers), and feeder pipes (backbone routers) must also be upgraded for
the full benefits of IPv6 to become available. In the meantime, IPv4 and
IPv6 can co-exist by smuggling data addressed in one form inside
packages addressed with the other.
The cost of the upgrade will be distributed across the internet’s many
users, from consumers to companies to network operators, and will mostly
be a gradual process. “The internet itself has grown organically—it’s
not possible to implement or mandate a change across the network,” says
Leslie Daigle, chief internet-technology officer at the Internet Society
<a class="moz-txt-link-rfc2396E" href="http://www.isoc.org/"><http://www.isoc.org/></a>, a non-profit body that supports the development
of internet standards. But some big network operators may have to
upgrade in order to accommodate more devices. Comcast, an American cable
operator, realised in 2005 that it might need 100m IP addresses by 2008,
but would be able to get perhaps one-tenth of that number of IPv4
addresses. It has since converted the core of its network to IPv6.
Pressure to convert entire broadband networks to IPv6, right down to
individual PCs, may come from an unexpected source, says Mr Vixie.
“First-person, shoot-’em-up gaming and peer-to-peer file sharing works
better if IPv6 is used,” he notes. And once consumers get a taste of the
benefits, he says, the adoption of IPv6 should take off dramatically.
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