The sky's the limit. The only thing "stopping" us is the non-functionality of ".zxqw"..;-)
Seriously, there is no technical reason, and there is in fact 254 gTLD's (generic TLD's) today.
If you really want to know more and are up to it, the DNS-system is described in RFC's 1034 and 1035 available (among other places) at http://www.cis.ohio-state.edu/htbin/rfc/rfc1034.ht ml http://www.cis.ohio-state.edu/htbin/rfc/rfc1035.ht ml
Another good resource is O'Reilly's "DNS and BIND" by Paul Albitz and Cricket Liu.
As to the number of TLD's..: There is not only 5. At present there is 254 TLD's. But that's not a reason why there shouldn't be more though..
The multi-word TLD would IMO not be a good idea. It kind of goes against the idea and structure of the present DNS system. It's doable but really really ugly.
Also, the DNS system of today has a restriction of 127 levels deep.
Then again you could be using sarcasm *shudder*.:-)
In fact we do. Technically speaking, TLD's are a necessity to get the present distributed database known as DNS to work. If you throw the hierarchial structure out the window every DNS-server would have to have information on every zone (domain) in existence. Imagine the time and bandwidth necessary to update the DNS's around the globe when you decide to register a new zone.:-o That was actually how it worked back in the ARPA-net days with the hosts-file. One big file with all hosts on the net. Then more hosts. Bigger files. Even more hosts.. DNS. The rest is, as they say, history. So, some sort of tree-structure is necessary. That means TLD's one way or the other.
The possibilities are endless..! The key IMHO is to keep it cheap. The price has to be less than an ordinary PC obviously. An i-Opener with integrated Ethernet- and IDE-interfaces would be nice. And a sound card is a must. Let it be an option whether it's shipped with or without HD. Make it hackable and let people take it from there. Like the good old C=64. Hackable like h*ll. And people love(d) it.
No.. Because it's all in software. They are not recalling the actual consoles. I would keep the d*mn CD (or whatever).. Buy an extra memorycard (I know they are in short stock) and use that exclusively for DVD-playing..:-)
Well.. I remember seeing a Discovery-show about mans quest for high speeds. Here they mentioned that when the first car was built and someone said "Hey.. How fast will this thing go..?" someone else said "Humans can't survive speeds in excess of 30 mph"...:-)/S
You think you got it bad..? I live in Denmark.. I pay 42% income tax and for every item I buy I pay 25% Value Added Tax. Not to mention the 300% tax on cars.:-( But then again, we have free education (up to and not excluding university level) and free healthcare. We even get paid to study. So. Which would you rather?
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The sky's the limit. The only thing "stopping" us is the non-functionality of ".zxqw".. ;-)
t mlt ml
Seriously, there is no technical reason, and there is in fact 254 gTLD's (generic TLD's) today.
If you really want to know more and are up to it, the DNS-system is described in RFC's 1034 and 1035 available (among other places) at
http://www.cis.ohio-state.edu/htbin/rfc/rfc1034.h
http://www.cis.ohio-state.edu/htbin/rfc/rfc1035.h
Another good resource is O'Reilly's "DNS and BIND" by Paul Albitz and Cricket Liu.
As to the number of TLD's..: There is not only 5. At present there is 254 TLD's. But that's not a reason why there shouldn't be more though..
:-)
The multi-word TLD would IMO not be a good idea. It kind of goes against the idea and structure of the present DNS system. It's doable but really really ugly.
Also, the DNS system of today has a restriction of 127 levels deep.
Then again you could be using sarcasm *shudder*.
In fact we do. Technically speaking, TLD's are a necessity to get the present distributed database known as DNS to work. If you throw the hierarchial structure out the window every DNS-server would have to have information on every zone (domain) in existence. Imagine the time and bandwidth necessary to update the DNS's around the globe when you decide to register a new zone. :-o
That was actually how it worked back in the ARPA-net days with the hosts-file. One big file with all hosts on the net. Then more hosts. Bigger files. Even more hosts.. DNS. The rest is, as they say, history. So, some sort of tree-structure is necessary. That means TLD's one way or the other.
The possibilities are endless..! The key IMHO is to keep it cheap. The price has to be less than an ordinary PC obviously. An i-Opener with integrated Ethernet- and IDE-interfaces would be nice. And a sound card is a must. Let it be an option whether it's shipped with or without HD. Make it hackable and let people take it from there. Like the good old C=64. Hackable like h*ll. And people love(d) it.
No.. Because it's all in software. They are not recalling the actual consoles. I would keep the d*mn CD (or whatever).. Buy an extra memorycard (I know they are in short stock) and use that exclusively for DVD-playing.. :-)
Well.. I remember seeing a Discovery-show about mans quest for high speeds. Here they mentioned that when the first car was built and someone said "Hey.. How fast will this thing go..?" someone else said "Humans can't survive speeds in excess of 30 mph"... :-) /S
Hey cool... Then no-one will be able to reach me on my cell phone.. Kinda defeats the purpose of having a cell phone, don't you think?
You think you got it bad..? I live in Denmark.. I pay 42% income tax and for every item I buy I pay 25% Value Added Tax. Not to mention the 300% tax on cars. :-( But then again, we have free education (up to and not excluding university level) and free healthcare. We even get paid to study. So. Which would you rather?