The Next Net 237
Qa32 wrote to give a heads up on a BBC article discussing the IETF's plans for the future, including information on VoIP, IPv6, and security concerns. From the article: "Given the net was designed for the whole community, it has done well to reach millions. If you want to reach the whole population, you have to make sure it can scale up."
Mass media distribution (Score:3, Insightful)
Re:Mass media distribution (Score:5, Insightful)
It is pathetic that even poor people in South Korea have lines for 20 bucks a month at 25 mbps. America the leader in tech? I beg to differ.
Re:Mass media distribution (Score:2, Insightful)
Re:Mass media distribution (Score:3, Insightful)
Re:Mass media distribution (Score:2, Interesting)
Re:Mass media distribution (Score:2)
Re:Mass media distribution (Score:3, Insightful)
Only if you gauge a country's level of development by starcraft player density.
Re:Mass media distribution (Score:3, Informative)
That doesn't explain the excellent, although probably not quite as good, internet connectivity in Sweden and the Netherlands.
~phil
Re:Mass media distribution (Score:4, Insightful)
Re:Mass media distribution (Score:2)
I think it is because the telco-market in the US has been fairly agressive, which didn't leave much room for investments in the future.
The bandwidth we enjoy outside of the U.S is usually the result of previous "investments" in state monopolies. The investment resulted in having a good infrastructure. Overspec'ed, just to telephone with.
Today, years after liberalising the telco-market, the companies can use this infrastructure in pl
Re:Mass media distribution (Score:2)
Re:Mass media distribution (Score:3, Insightful)
Re:Mass media distribution (Score:4, Insightful)
You know, not every negative observation about the United States is an attempt to jump on the 'US Bashing' bandwagon.
Re:Mass media distribution (Score:2, Insightful)
Every post seems to be suggesting that south korean is some third world country, with the economic strength of Uganda when the reality is that their GDP per capita is roughly equivalent to that of lesser EU nations.
Re:Mass media distribution (Score:2)
As far as this population density stuff goes, few people mention the cost of living differences between South Korea and the United States. Sure, $20USD (15.4EUR)sounds miniscule to us (any first-world country really), but that could be a big percentage of a South Koreans households' take-home pay. The telecom com
Re:Mass media distribution (Score:2)
Re:Mass media distribution (Score:2)
For DSL, getting this kind of speed is predicated on local loop length. Some major North American providers are now putting in FTTN (or even FTTP) which will make local loop lengths short enough for VDSL, which will get you your 25 Mbps, or even higher. This builds out the infrastructure needed for triple play (data + video + voice).
This hasn't been done previously in North America because getting that much fiber laid wasn't economically feasible here. That is starting to change. It doesn't have anything
Re:Mass media distribution (Score:2)
Uh, right. We don't need 25 megabit connections for movies. 150KB/s is enough for streaming a dvd quality video (MPEG4 compressed). I regularly get 400KB/s thanks to my handy-dandy cable modem. Heck, a few years ago I was subscribed to an on-demand service that worked pretty well. Pity it went bye bye.
Re:Mass media distribution (Score:2)
Interesting quote (Score:5, Interesting)
From part-way down TFA:
Interesting for many here that the new guy at the head of the IETF seems to give this issue such emphasis.
Re:Interesting quote (Score:2, Interesting)
You mean just like the standards that make the existing net work?
Actually, my biggest fear is VoIP - not directly, but the flak it will take from the telcos. I think we'll see some serious posturing from them as VoIP as a core feature on a internet upgrade would destroy their revenue model, not partly, but totally. They won't own the network, and they don't make the phones, they'll become a redunda
Re:no to flash! (Score:4, Informative)
No. IETF spends more of their time on file content than byte-pushing "infrastructure". For example, the HTML format is IETF RFC 1866 [uci.edu]. Any file that's mainly viewed over the internet is potential IETF fodder.
(Flash is too old and too intentionally openness-hostile to ever become an IETF standard, of course. But it'd be good if it could be replaced by something which is a standard, maybe SVG)
Just make sure... (Score:5, Insightful)
Re:Just make sure... (Score:4, Informative)
Re:Just make sure... (Score:2)
We need help from big players (Score:2, Interesting)
Re:We need help from big players (Score:2)
DoD is already planning a migration... (Score:2)
Also, in all honesty, I fear that the 4 billion number is low, not high and NAT/PAT are only stopgap measures. (Especially with the relatively wide range of protocols that require application level awareness to actually translate, including such staples as H.323 and the rest of the multimedi
Dosen't the internet scale? (Score:3, Interesting)
I thought with the current schema the internet uses it was allways setup to scale and allow for redundency, where one section can do down and a new one can take place. Or new networks could easily be added, and expanded off of.
Even new technologys like P2P and torrent etc were able to come out, still functioning correctly with the internet with no changes.
Maybe they mean the ability for the technology to scale up, meaning situations like the IPv6 would not be such a consern. But then again IPv6 is a huge change to the entire structure of how the internet functions.
Re:Dosen't the internet scale? (Score:2)
Re:Dosen't the internet scale? (Score:2)
Whoa, did I miss something? What happened some months ago with the DNS?
Anyway, root servers are all over the world as far as I know, so there's plenty of redundancy there. Even TLD and cTLD have replicas all over the place.
And even if the whole DNS structure came down, "the internet" would be still up. Only the name resolution service would be down.
You would need a full scale DOS and take down most of the tier 1 providers (not unthinkable wi
Re:Dosen't the internet scale? (Score:2, Funny)
now I finally have a use for the mountains of dns cache printouts that I keep in the basement! lucky me...so please everyone go DoS DNS. I don't care, because I have a workaround!
Re:Dosen't the internet scale? (Score:2, Insightful)
There will still be subnet masks and that will still be what a router uses to move packets from one network to another. Once a packet is on the "correct" n
Re:Dosen't the internet scale? (Score:2)
An observation on IPv6 (Score:4, Informative)
Try it yourselve with dig or nslookup - try looking up AAAA records for any of the sites you visit, and see how many would be accessible via IPv6.
For example, try
Re:An observation on IPv6 (Score:5, Interesting)
This is not an all or nothing thing. We do not have to turn out the lights on IPv4 before we can start utilizing IPv6.
Re:An observation on IPv6 (Score:3, Interesting)
However, if the site in question does not support IPv6 packet formats, then an IPv6-only host would not be able to contact the site, as the site would not be able to form the IPv6 packets back to the requesting host.
So either the requesting host would have to have an IPv4 address available to it (either directly or via NAT), or the requesting host would be unable to access the site.
And the simplest way a web site can advertise its ability to sup
Re:An observation on IPv6 (Score:2, Informative)
1. Most systems having IPv4 only, IPv4 is used for all internal & external services
2. Systems have IPv4 and IPv6, but IPv4 is used for internal services, some IPv6 external services are used without specific engineering (this is what you get if you set up a modern OS X, Linux or beta Windows these days by default)
3. Internal services become available on
Re: (Score:2, Insightful)
Re:An observation on IPv6 (Score:2)
Re:An observation on IPv6 (Score:2)
It's
Wow! think of all them IP addresses. (Score:3, Insightful)
That's amazing. Soon we'll be able to wire up our entire house and everything from the fridge to the alarmclock would be accessible from the internet.
I only hope if it gets to that, nobody can hack into my microwave when I'm cooking my dinner, or someone hacking into my alarm clock and messes with the settings.
If microsoft does good on their desire to control it all, they'd better finally have some reasonable measure of security. I wouldn't want to wake up to find out some low life got to my hot water heater and turned it off because of a buffer overflow vulnerability.
Re:Wow! think of all them IP addresses. (Score:2)
Re:Wow! think of all them IP addresses. (Score:5, Informative)
NAT has other purposes (Score:5, Interesting)
Re:Wow! think of all them IP addresses. (Score:2)
And even more sadly for those people, NAT is not a security mechanism at all. It can't be. All NAT can do is change the IP addresses and port numbers on packets moving through it. It doesn't actually make any decisions to drop or accept packets.
NAT is practically always used in conjuction with a firewall in these situations, but
Re:Wow! think of all them IP addresses. (Score:2)
If a totally unexpected packet arrives at a NAT (such as during a portscan attack), there is no reasonable way to guess which of the multiple local machines should recieve it, so (by default) a choice is made to drop it. (Of course, by "choice"- the NAT isn't making a choice then, but rather the choice to drop all unexpected packets was made by the admin who installed a NAT in the first place)
That level of protection is useful for many peo
Re:Wow! think of all them IP addresses. (Score:2)
Not so, since NAT does not drop anything. If a totally unexpected packet arrives, NAT will simply not make any changes to the packet. The packet will continue its way through the router as normal. Unless you have filtering rules (which are a totally different & independent thing) tha
Re:Wow! think of all them IP addresses. (Score:2)
Fine, semantics. The packet is unmodified, so its address matches to none of the TCP/IP stacks on the LAN, so it gets dropped by every PC. Not rewriting an address is effectively dropping it (unless you somehow had a local machine with an IP identical to that of your NAT box on the Internet)
Re:Wow! think of all them IP addresses. (Score:3, Insightful)
You are assuming that every packet that comes down your internet connection will have a destination IP address matching your router's public IP address. That is an unwise assumption to make for at least two reasons:
Re:Wow! think of all them IP addresses. (Score:2)
No, I assume that my NAT box will drop any packets whose address don't match it. That is the case with my own NAT, although I suppose others could function promiscuously, although that would be contrary to the definition of NAT [ietf.org]. (And it would be quite inefficient, as flooding the ethernet hubs inside NATs with all their neighbors' non-matching packets) If you think that many NATs disobe
Re:Wow! think of all them IP addresses. (Score:2)
OK, and how do I address them? With one external address that's a maximum of 64k connections I can bring in. And sure, people may not be likely to have quite tha
Re:Wow! think of all them IP addresses. (Score:3, Interesting)
Problem 8. (IPv6) (a) Given that IPv6 addresses are 128 bits, calculate the total number of possible IPv6 addresses. (b) Calculate the surface area of the earth in square feet. Consider the radius of the earth as 3,963 miles, and one mile is 5280 feet (the surface area is 4ðr2). (c) Calculate the number of IPv6 addresses per square foot of earth surface. (d) Repeat the same calculations for IPv4; how many IPv4 addresses per square foot?(a
according to wikipedia, much more! (Score:2)
hooray! [wikipedia.org]
Re:Wow! think of all them IP addresses. (Score:2, Informative)
I stand corrected. It's been years since I even given IPv6 even a first though, I forgot all about it. The 50 addresses statement would be true if IPv6 had a 6 byte address (48 bits), not the actual 128 bits (ipv4 is coincidentally 4 bytes, ipv6 is version 6, not 6 bytes long, and as I've discovered, the version and bytes in IP addresses are not related).
So doing the math (this time entire earth surface area, not just land mass, as per equator diameter with something
Re: Wow! think of all them IP addresses. (Score:3, Insightful)
Actually, I believe the figure's much bigger - something like 6.2 x 10^22. (My own calculation, confirmed by one web page, though others give widely varying results. That's based on a figure of 197 million square miles, incl. sea.)
But that's not the point, because the addresses aren't evenly spread. Once you allocate some of the most significant values to various organisation, protocols, or special values, the
Re:Wow! think of all them IP addresses. (Score:2)
Let's not forget the ever-present allocation inefficiencies. I wo
An easier way? (Score:5, Funny)
Wouldn't it just be easier to lower the population to millions rather than changing current infrastructure?
Re:An easier way? (Score:2, Funny)
Terrorists!
MAD BEEF!
CHICKEN FLU!
OBESITY and AIDS!!
just saying what everyones thinking.
Uh-huh! (Score:5, Funny)
What that means to you, MBAs, is that it sounds like by i-deploying its cross-market and granular mix of best-of-breed technologies for today's e-enterprise, the interweb will finally be scalable!
2.1? (Score:3, Interesting)
Re:2.1? (Score:3, Informative)
Re:2.1? (Score:2)
Re:2.1? (Score:2, Informative)
It's also used to do regular Polycom conferences witho
Re:2.1? (Score:2)
Re:2.1? (Score:4, Informative)
Interestingly enough there seems to be a moving away from expensive ATM connectors to cheaper 10GigE connections. Our state network has just converted the backbone to GigE, and I expect that our connection to Abilene will change to that soon as well. I think ATM for medium length hauls will die out, only to be used on extra long hauls like across contries and oceans. I can see the big networks doing this to to cut down on costs and brainpower. ATM is just too complicated.
Re:2.1? (Score:2)
Re:2.1? (Score:2)
Same place it is on in the regular ol' Internet... Providers can't figure out how to bill for it, so it's more or less not an option. Lovely, eh?
Re:2.1? (Score:4, Interesting)
Re:2.1? (Score:2)
If there's a source "out there" and you have multiple customers that want data from that source, then you:
Really, this should be easy, but it's not happening. Maybe it's just a chicken-and-egg thing with applications and infastructure. Maybe nobody's figured ou
Re:2.1? (Score:2)
Re:2.1? (Score:2)
More useless IPv6 calculations (Score:3, Interesting)
Over 300 million IP addresses per cubic millimeter of the Earth.
One IP address for every 5 cubic meters of the entire solar system within the sphere defined by the aphelion of the orbit of Pluto.
180,000 IP addresses per cubic light year for the estimated size of the entire universe.
Yup, I think we have enough.
Re:More useless IPv6 calculations (Score:2)
Re:More useless IPv6 calculations (Score:3, Funny)
Re:More useless IPv6 calculations (Score:2)
Re:More useless IPv6 calculations (Score:2)
Re:More useless IPv6 calculations (Score:2)
If we really want to plan for the future... (Score:2)
Re:IPv6 Not Enough? (Score:3, Informative)
I can't remember which is greater, the number of available IPv6 addresses or the estimated total number of atoms in the universe, but either way you can rest assured that there will be more than enough IPv6 addresses to handle any foreseeable addressing needs we're going to have any time soon, even if everyone
Re:IPv6 Not Enough? (Score:3, Informative)
mass of a person: 80kg
molecular mass of water: 18g/mole
approximate moles of water in body: 2.7e27 = 80e3 / 18 * 6.03e23
approximate atoms in body: 8e27 = 2.7e27 * 3
address in ipv6: 3.4e38
approximate addresses per atom: 4e10 = 3.4e38 / 8e27
The mass of water was used as water is a significant portion of the body.
atoms of planet per address (Score:2)
a trillion asses to exhaust ipv6? (Score:2)
Re:IPv6 Not Enough? (Score:2)
Gentleman, I think we have found our new standard unit of measurement.
Re:IPv6 Not Enough? (Score:3, Insightful)
Re:IPv6 Not Enough? (Score:2, Informative)
IPv4 : 4 × 10^9
IPv6 : 3.4 × 10^38
That means about 4.3 x 10^20 addresses per sqr inch on Earth's surface. So, yes, it will be enough, even for whatever embedding plans people might have.
Re:IPv6 Not Enough? (Score:4, Interesting)
Re:IPv6 Not Enough? (Score:2)
The routing strategies they use cut that down quite a bit, but it's okay because most of the mass of the Earth is tied up as molten rock and stuff like that. We'll be okay unless the Earth gets eaten by nanomachines.
Re:IPv6 Not Enough? (Score:2)
OMG HE MADE TEH AL GORE FUNNY!!1eleven (Score:5, Insightful)
Sounds like a good strategery (Score:2)
Re:Next net, but for whom? (Score:2)
Stateless is Beautiful (Score:2)
No, let's not do that.
-kgj
Re:Sessions (Score:2)
Okay, I'm an idiot. Can somebody explain the thought behind this? A.) I don't understand what a stateful protocol, B.) I don't understand what HTTP currently is and why it's a prob. Little help?
Re:Sessions (Score:2)
Re:IPv6 is a hack (Score:5, Insightful)
IANA hasn't been handing out class A blocks "like tap water" for a long time. Sure, some organizations have too many addresses, but these were mainly organizations that pioneered the IP network and were handed these netblocks very early on.
As an AC pointed out in an earlier response, NAT is the hack, not IPv6. It breaks end-to-end connectivity, and you have to jump through lots of hoops to get many protocols to work correctly. NAT was a measure that slowed the need for IPv6, but it didn't remove it.
Re:IPv6 is a hack (Score:2)
ipv4 needed a hack, that hack was NAT.
Re:IPv6 is a hack (Score:2)
Re:Mind you... (Score:2)
Re:Mind you... (Score:3, Insightful)
NAT has in no way improved security. You're confusing firewalls with NAT. Firewalls would be just as effective without NAT.
Since you seem to be so informed, though, how exactly a