Ow. Hey. You're right for the most part on my calculations. That's why I'm a software guy and not a hardware one.
Collision avoidance works by _reducing_ the data rate on each device when too many devices are trying to use a data pipe at once. It does NOT give you more total bandwidth - it just makes sure that any bandwidth available is allocated fairly and not wasted in an electronic shouting match.
But it allows a large number of devices to share a certain amount of bandwidth, which is really the point.
For a bandwidth of "foo" GHz, you will have _roughly_ "foo" gigabits of _shared_ bandwidth between all users in range of one tower. The only way to pack in more data is to use analog transmission, and the power required to get more bits grows exponentially with the number of bits per sample (gets impractical very quickly).
Digital compression will allow for more bandwidth without a change to the signal.
FM, AM, visible spectrum, and audible sound are mere blips in the size of the spectrum. You're talking about Ghz of space available, while these take up mere Khz.
That aside, there are boatloads of bands already taken up:
Marine Military Commercial satellite Military satellite HAM Public use (CB) Shortwave Cell phones Freqs. set aside for radio astronomers ..to name a few.
I wouldn't worry about running out of bandwidth for PDA/wireless devices. The nice thing is it's mostly packet data, meaning you can have many devices use the same frequency if you throw in some collision avoidance, same that's used for Ethernet.
Wish I had one of those charts. An FCC testing house usually has one of them up to show customers.
According to Intel, a 400Mhz Celeron PPGA uses 24.6W. According to IBM, their Travelstar 14GS (14GB 2.5" drive) takes a maximum of 5W, and that's for powerup. Normal is on the order of 2-3W. Don't know about the LCD, but a Teac notebook CD-ROM is about 3W (600mA * 5V) while active. Sharp 12.1" LCD screen takes 7.5W.(see intel.com, ibm.com, and teac.com, sharp-world.com for the specs).
You're now looking at instead of a draw of about 40.1W with an Intel Celeron versus a draw of 16.5, or a drop in almost 2/3. This would imply that all things being equal, you'd triple your battery life by going from a Celeron 400 to an Crusoe. And the Celeron 400 is pretty low power compared to the PIII chips.
The article indicates that LNUX gave TCX a bunch of money and wants to develop the service/support side of MySQL.
Sounds like LNUX effectively bought MySQL, but is allowing TCX to convert to a pay-for-support-or-special-stuff company. (You make MySQL GPL, we give you cash).
Customer buys an ERP and support for lots of $$. Vendor gives limited support, but customer has paid so much for the software, it would cost more to switch to a new ERP. (I've seen this case twice)
In walks in Baan and their open source ERP. They're not selling software, so the up-front cost is that of the consultant to install and train. Customer then pays the same support amount and gets a better ERP, without spending any extra money. And since it's open source, everyone will have software that will let the ERP talk to real systems (like having mysql do a few queries to make some automated spreadsheets or something).
HTTP is the youngest of the Internet Building Block protocols. Heck, all the other protocols are at least twice the age of HTTP.
Inadequade, inefficient, and slow are adjectives I'd use with HTTP. Aging I wouldn't use. That implies that FTP and SMTP are both old and thus should be replaced. The age of a protocol doesn't matter. What matters is if it does the job.
If you need to constantly go over the PCI bus for everything (memory, disk, etc) then yes, you'll run out of bandwidth real quick.
However, the board appears to have a lot onboard, meaning that the bandwidth requirements are lower, leaving you with things like a "black box" scenario. You have an image you need manipulated, so you send it to the G4 board with the manipulation instructions. The board gnaws on it for a while without working on the PCI bus, then returns the modified image.
Great use for the new bus. Too bad most traditional PCs don't support either yet. The only machines I know of that have 64/66 is the UltraSPARC-based machines.
Why not use UPC codes to categorize your meatspace media? It won't work that well with MP3 collections, but if you want to categorize comic books, vinyl, and CDs, this could be a good start.
You'd need a UPC scanner, which should be cheap enough. I think they plug into the kbd port, so no funky drivers necessary, works with a web interface. Then all you'd need is a database to keep track of the UPC codes and what they relate to. Once it's in once, you don't have to worry about it again. I think they store the manufacturer, so you'd get a lot of information out of it.
According to the context, RedHat is the licensee. Linus and co. are the licensor. The licensor has no monetary loss, since they didn't charge for it in the first place. So there isn't any monetary damage.
What's wrong with many small pieces coming into the atmosphere?
The reason that a big asteroid makes it through the atmosphere is that there's so little surface area. It's like saying that a large block of ice takes 1 day to melt, while a similar block smashed into pieces takes 2 hours. Since the surface area is higher, there's:
a) A higher chance that the pieces burn up in the atmosphere (this happens all the time). b) Less damage since the resulting pieces don't have the same amount of kinetic energy (Would you rather be hit by a car going 20 MPH, or a bicycle going 20MPH?). There have been numerous stories of meteors falling out of the sky and punching a hole in a roof of a building with no other damage. Surely you'd rather pay to fix everyone's roof than have all life on Earth wiped out.
The rather disappointing Titan (no, not Titan AE) described this. Send a manned ship up to an asteroid, attach a rocket, and boom(!): instant Armageddon. Too bad the book never described *why* this was done.
But purchases brought into the state have to pay state/local taxes. For example, I bought my car in NH, where there was no sales tax. When I registered it in MA, I had to pay the 5% sales tax. Cars and boats are easy to catch with this, since they have to be registered, and you have to list where you purchased it.
NY a few years ago sent unmarked police cars to Reading PA (big outlet town), marked down NY license plates, then sent the owners a friendly reminder that purchases from PA have to pay NY sales tax. There was nothing in the note saying "we know you bought XYZ, so send us money", but more a reminder that they may owe taxes.
>The NYTimes isn't interested in posting your comments.
Then why a "letters to the editor" section? They certainly post letters. Maybe not all (there are space requirements that/. doesn't have), but it's not like the NYT says "here's the news, nyah".
>Slashdot, bless it's heart is committed to giving teens a release for their violent impulses. This probably saves lots of windows.
What the heck does this mean? Here we (as a community) are, trying to get rid of the image of Quake-minded, hack-your-computer-even-when-it's-off, pimply, anti-social people, and you throw this comment in. How is ranting on/. different from writing a letter to the editor? How is blowing off steam on/. different from complaining to your friends? And how in the heck did this discussion turn from open/closed media into a bunch of kids breaking windows?
If a unit is UL recognized, it has to go through a review of all the parts contained. PCBs have to be rated 94-V0 (non-flammable). Components have to be safety tested to make sure that they won't give you a shock of 110V AC if you touch it.
To give you a sense of what this really means:
I was at a company that was testing some prototype boards, and the engineer left the test running over the weekend. Unfortunately the proto board was bad, causing a short and caused the board to glow red hot. Did I mention this went on all weekend? The engineer showed up on monday and all that was wrong was the board still had power going to it and a burning smell. Had the PCB not been 94V0, it would have burned the building down.
The next spin of Intel chips will take up to 100W of power. Combine that with 25W/PCI card, fan, hard drive, CD-ROM, etc. and you can easily blow a 400W power supply in no time flat.
And more fun: cooling! At 100W/CPU, you'll need a lot of airflow to keep it below 55C, which is where things like the hard drives start to burn out. And probably the power supply too.
20CPUs in a single chassis isn't going to happen. 4 is a better possibility, since you can load-share 2 400W power supplies in a 19" rack. Given space requirements, you can do two 400W supplies, but probably not many more than that.
I have ads.doubleclick.net pointing at 127.0.0.1 so I don't get the banner BS. The link doesn't work for me, as CNN seems for redirect the page to an ads.doubleclick.net page, which results in a 404 and I can't see the original CNN page. Anyone else that blocks doubleclick in this manner getting the same thing?
It's a trademark, meaning that that particular recipe is protected. Same as going out and buying "l'eau de skunk" from Macy's. Anyone is allowed to duplicate that scent and sell it where they want, as long as they don't use the exact same formula. Sheesh. Nothing wrong with this at all. Well, except for the fact that a tennis ball now smells like a lawn....
In one sense you're right. This is really a parallel to what the gaming industry goes/is going through: College kids download free games then never buy it.
But something happens. College kids graduate. They get good jobs. They start buying the games that they once pirated. They buy new games. Friend A gives a CD-R to Friend B. Friend B plays the game for a bit, then buys it himself. Illegal? Yes. Good for business? Yes.
I've been a frequent opponent of certification, mostly because the certification doesn't mean anything. However, in this case, I'm for Linux certification. Why?
The simple reason is that Linux isn't Windows. Credentials for Linux users in place of things like prior experience is sometimes needed. In my business, we have customers asking for Linux support for our products. Our sales people can say that there is a RHCE on staff, which is somewhat rare for the industrial PC business. Of course, most people who are asking for Linux support know that Red Hat != Linux, but the RHCE exam does ask enough general Linux questions to (IMO) make a RHCE a Linux Expert.
Everyone knows a Certified Windows person who has 0 clue about Windows and how to do proper administraton. Go find Certified Linux person (Red Hat or not) who is that clueless. It's hard. You probably won't.
The questions really do get to the heart of the matter. MS says that you have to protect their trade secret as much as you can. But, what makes it a trade secret? How much protection does MS put on their trade secrets? C'mon, you can't *seriously* expect MS to protect other trade secrets using a click-thru license in a winzip-compatible file.
Sooo..if Connectix can reverse engineer Sony software and hardware, what's the difference between that and reverse engineering CSS? Or is this strictly a DCMA thing and Sony didn't sue under that law?
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Ow. Hey. You're right for the most part on my calculations. That's why I'm a software guy and not a hardware one.
Collision avoidance works by _reducing_ the data rate on each device when too many devices are trying to use a data pipe at once. It does NOT give you more total bandwidth - it just makes sure that any bandwidth available is allocated fairly and not wasted in an electronic shouting match.
But it allows a large number of devices to share a certain amount of bandwidth, which is really the point.
For a bandwidth of "foo" GHz, you will have _roughly_ "foo" gigabits of _shared_ bandwidth between all users in range of one tower. The only way to pack in more data is to use analog transmission, and the power required to get more bits grows exponentially with the number of bits per sample (gets impractical very quickly).
Digital compression will allow for more bandwidth without a change to the signal.
-Mark
FM, AM, visible spectrum, and audible sound are mere blips in the size of the spectrum. You're talking about Ghz of space available, while these take up mere Khz.
That aside, there are boatloads of bands already taken up:
Marine
Military
Commercial satellite
Military satellite
HAM
Public use (CB)
Shortwave
Cell phones
Freqs. set aside for radio astronomers
..to name a few.
I wouldn't worry about running out of bandwidth for PDA/wireless devices. The nice thing is it's mostly packet data, meaning you can have many devices use the same frequency if you throw in some collision avoidance, same that's used for Ethernet.
Wish I had one of those charts. An FCC testing house usually has one of them up to show customers.
-Mark
You can sue for anything. Winning is a different matter. Heck, getting the suit before a court is a different matter.
According to Intel, a 400Mhz Celeron PPGA uses 24.6W. According to IBM, their Travelstar 14GS (14GB 2.5" drive) takes a maximum of 5W, and that's for powerup. Normal is on the order of 2-3W. Don't know about the LCD, but a Teac notebook CD-ROM is about 3W (600mA * 5V) while active. Sharp 12.1" LCD screen takes 7.5W.(see intel.com, ibm.com, and teac.com, sharp-world.com for the specs).
You're now looking at instead of a draw of about 40.1W with an Intel Celeron versus a draw of 16.5, or a drop in almost 2/3. This would imply that all things being equal, you'd triple your battery life by going from a Celeron 400 to an Crusoe. And the Celeron 400 is pretty low power compared to the PIII chips.
-Mark
The article indicates that LNUX gave TCX a bunch of money and wants to develop the service/support side of MySQL.
Sounds like LNUX effectively bought MySQL, but is allowing TCX to convert to a pay-for-support-or-special-stuff company. (You make MySQL GPL, we give you cash).
Yay VA Linux!
What about this situation:
Customer buys an ERP and support for lots of $$. Vendor gives limited support, but customer has paid so much for the software, it would cost more to switch to a new ERP. (I've seen this case twice)
In walks in Baan and their open source ERP. They're not selling software, so the up-front cost is that of the consultant to install and train. Customer then pays the same support amount and gets a better ERP, without spending any extra money. And since it's open source, everyone will have software that will let the ERP talk to real systems (like having mysql do a few queries to make some automated spreadsheets or something).
HTTP is the youngest of the Internet Building Block protocols. Heck, all the other protocols are at least twice the age of HTTP.
Inadequade, inefficient, and slow are adjectives I'd use with HTTP. Aging I wouldn't use. That implies that FTP and SMTP are both old and thus should be replaced. The age of a protocol doesn't matter. What matters is if it does the job.
If you need to constantly go over the PCI bus for everything (memory, disk, etc) then yes, you'll run out of bandwidth real quick.
However, the board appears to have a lot onboard, meaning that the bandwidth requirements are lower, leaving you with things like a "black box" scenario. You have an image you need manipulated, so you send it to the G4 board with the manipulation instructions. The board gnaws on it for a while without working on the PCI bus, then returns the modified image.
Great use for the new bus. Too bad most traditional PCs don't support either yet. The only machines I know of that have 64/66 is the UltraSPARC-based machines.
Or are there x86 boxes out there that have it?
Why not use UPC codes to categorize your meatspace media? It won't work that well with MP3 collections, but if you want to categorize comic books, vinyl, and CDs, this could be a good start.
You'd need a UPC scanner, which should be cheap enough. I think they plug into the kbd port, so no funky drivers necessary, works with a web interface. Then all you'd need is a database to keep track of the UPC codes and what they relate to. Once it's in once, you don't have to worry about it again. I think they store the manufacturer, so you'd get a lot of information out of it.
-Mark
According to the context, RedHat is the licensee. Linus and co. are the licensor. The licensor has no monetary loss, since they didn't charge for it in the first place. So there isn't any monetary damage.
Which begs the question:
What's wrong with many small pieces coming into the atmosphere?
The reason that a big asteroid makes it through the atmosphere is that there's so little surface area. It's like saying that a large block of ice takes 1 day to melt, while a similar block smashed into pieces takes 2 hours. Since the surface area is higher, there's:
a) A higher chance that the pieces burn up in the atmosphere (this happens all the time).
b) Less damage since the resulting pieces don't have the same amount of kinetic energy (Would you rather be hit by a car going 20 MPH, or a bicycle going 20MPH?). There have been numerous stories of meteors falling out of the sky and punching a hole in a roof of a building with no other damage. Surely you'd rather pay to fix everyone's roof than have all life on Earth wiped out.
The rather disappointing Titan (no, not Titan AE) described this. Send a manned ship up to an asteroid, attach a rocket, and boom(!): instant Armageddon. Too bad the book never described *why* this was done.
But purchases brought into the state have to pay state/local taxes. For example, I bought my car in NH, where there was no sales tax. When I registered it in MA, I had to pay the 5% sales tax. Cars and boats are easy to catch with this, since they have to be registered, and you have to list where you purchased it.
NY a few years ago sent unmarked police cars to Reading PA (big outlet town), marked down NY license plates, then sent the owners a friendly reminder that purchases from PA have to pay NY sales tax. There was nothing in the note saying "we know you bought XYZ, so send us money", but more a reminder that they may owe taxes.
>The NYTimes isn't interested in posting your comments.
/. doesn't have), but it's not like the NYT says "here's the news, nyah".
/. different from writing a letter to the editor? How is blowing off steam on /. different from complaining to your friends? And how in the heck did this discussion turn from open/closed media into a bunch of kids breaking windows?
Then why a "letters to the editor" section? They certainly post letters. Maybe not all (there are space requirements that
>Slashdot, bless it's heart is committed to giving teens a release for their violent impulses. This probably saves lots of windows.
What the heck does this mean? Here we (as a community) are, trying to get rid of the image of Quake-minded, hack-your-computer-even-when-it's-off, pimply, anti-social people, and you throw this comment in. How is ranting on
If a unit is UL recognized, it has to go through a review of all the parts contained. PCBs have to be rated 94-V0 (non-flammable). Components have to be safety tested to make sure that they won't give you a shock of 110V AC if you touch it.
To give you a sense of what this really means:
I was at a company that was testing some prototype boards, and the engineer left the test running over the weekend. Unfortunately the proto board was bad, causing a short and caused the board to glow red hot. Did I mention this went on all weekend? The engineer showed up on monday and all that was wrong was the board still had power going to it and a burning smell. Had the PCB not been 94V0, it would have burned the building down.
The next spin of Intel chips will take up to 100W of power. Combine that with 25W/PCI card, fan, hard drive, CD-ROM, etc. and you can easily blow a 400W power supply in no time flat.
And more fun: cooling! At 100W/CPU, you'll need a lot of airflow to keep it below 55C, which is where things like the hard drives start to burn out. And probably the power supply too.
20CPUs in a single chassis isn't going to happen. 4 is a better possibility, since you can load-share 2 400W power supplies in a 19" rack.
Given space requirements, you can do two 400W supplies, but probably not many more than that.
I have ads.doubleclick.net pointing at 127.0.0.1 so I don't get the banner BS. The link doesn't work for me, as CNN seems for redirect the page to an ads.doubleclick.net page, which results in a 404 and I can't see the original CNN page. Anyone else that blocks doubleclick in this manner getting the same thing?
But then again, all I had was an Apple II (not even the +). Delphi is close enough to Pascal that it might be good - structered language, some OOP.
BASIC gets you into that GOTO thing, which is really poor programming. Better to start kids off with a good simple, yet structured language.
It's a trademark, meaning that that particular recipe is protected. Same as going out and buying "l'eau de skunk" from Macy's. Anyone is allowed to duplicate that scent and sell it where they want, as long as they don't use the exact same formula.
Sheesh. Nothing wrong with this at all. Well, except for the fact that a tennis ball now smells like a lawn....
In one sense you're right. This is really a parallel to what the gaming industry goes/is going through: College kids download free games then never buy it.
But something happens. College kids graduate. They get good jobs. They start buying the games that they once pirated. They buy new games. Friend A gives a CD-R to Friend B. Friend B plays the game for a bit, then buys it himself. Illegal? Yes. Good for business? Yes.
I've been a frequent opponent of certification, mostly because the certification doesn't mean anything. However, in this case, I'm for Linux certification. Why?
The simple reason is that Linux isn't Windows. Credentials for Linux users in place of things like prior experience is sometimes needed. In my business, we have customers asking for Linux support for our products. Our sales people can say that there is a RHCE on staff, which is somewhat rare for the industrial PC business. Of course, most people who are asking for Linux support know that Red Hat != Linux, but the RHCE exam does ask enough general Linux questions to (IMO) make a RHCE a Linux Expert.
Everyone knows a Certified Windows person who has 0 clue about Windows and how to do proper administraton. Go find Certified Linux person (Red Hat or not) who is that clueless. It's hard. You probably won't.
The questions really do get to the heart of the matter. MS says that you have to protect their trade secret as much as you can. But, what makes it a trade secret? How much protection does MS put on their trade secrets? C'mon, you can't *seriously* expect MS to protect other trade secrets using a click-thru license in a winzip-compatible file.
Heck, I work in Waltham. Next time you're out this way, give me a call/email. I'll buy you a beer. You deserve it.
-Mark
Sooo..if Connectix can reverse engineer Sony software and hardware, what's the difference between that and reverse engineering CSS? Or is this strictly a DCMA thing and Sony didn't sue under that law?