Want to read Slashdot from your mobile device? Point it at m.slashdot.org and keep reading!


Forgot your password?
Check out the new SourceForge HTML5 internet speed test! No Flash necessary and runs on all devices. ×

Comment Re:Bandiwidth is *free* fallacy.. (Score 4, Insightful) 227

Bzzz! Hold it right there! What is "sufficient bandwidth"

My ISP has advertised 100mbit service, and I have every right to expect that 100mbit will be available 100% of the time. ISPs oversubscribe their actual available bandwidth because they know almost no one ever uses 100% of the available bandwidth 100% of the time. That doesn't change the fact that they are charging multiple customers for the same resource. The ISPs can't then turn around and say, that there isn't enough because their customers are using more than their fair share, when in fact, the ISP has sold more than they had available in the first place.

Using that metric, Sufficient bandwidth is whatever is required to provide 100% of their customers with 100% of the promised bandwidth. Anything less than that is just the ISP whining because they are being held to the contract they themselves wrote.

In that regard, ISPs with data caps should be required to advertise the datacap / billing period instead of the peak speeds, customers will quickly stop coming in the door when it is made obvious that a 50GB / month limit effectively means that on average you can only get 150kb/s download speed over the course of an entire month. If the ISP had to advertise that 150kb/s instead of being able to claim 100mb/s speeds, they would quickly change their minds about data caps.

Comment Re:Bandiwidth is *free* fallacy.. (Score 3, Informative) 227

In addition to bandwidth is free you forgot the one about how since the hardware infrastructure for networks is a sunken cost it should be free to use. I haven't figured that one out yet; apparently the underlying assumption is that the investors who paid up front ought to be robbed of their expected returns.

In a large percentage of cases, those up front investments were paid for by the FCC. And yes, those investors ARE getting robbed blind.

Comment Re:x86 is a plus (Score 1) 205

For someone who needs a small 64-bit x86, this is interesting.

No one needs x86 anything in small form factors. x86 is dominant in desktop and laptop pcs, but is almost entirely non-existant in the embedded space. Pcs are sliding into irrelevance, and with it Intel / AMD / Microsoft. Frankly we're all better off. x86 has always been a pretty crappy architecture as it always had to maintain backward compatibility. For embedded systems that is not a requirement, and ARM has taken full advantage of the flexibility that offers.

Intel keeps trying to push their x86 cores for the embedded space, but they have failed completely to provide a compelling reason to use their processors, and the market continues to completely ignore them. If Intel was really serious about the embedded market, and didn't have their head up their collective ass, they would have abandoned x86 for the embedded space and built a new instruction set without the legacy cruft, much the way ARM has. They dont want to because that is hard and expensive, and they cant leverage all of the hard work they have put into x86 and x86-64. The part Intel doesn't seem to get is that the market isn't going to allow them to push x86 because it is not a superior solution, and Intel cant get enough market share to compete with the ARM economies of scale.

Comment national security (Score 1) 438

When are these fuckers going to learn that National Security as defined by a secret tribunal does NOT overrule the constitution. I think we need to broaden the definition of treason to include any act that unlawfully and deliberately undermines the good faith enforcement of our constitution.

Comment Re:you are forgiven... (Score 1) 161

Do you really need to denigrate the efforts of others, just so you can feel smug about doing nothing?

Questioning the motives of people making extraordinary claims is not at all unreasonable. Didn't Kim Jong Un claim something similar in the last few years? Between MS and Facebook, there seems to be an awful lot of hubris in the news today.

Comment Re:a chemical reaction generates a signal (Score 4, Insightful) 128

the signal is to NOT invest in this company.

Indeed, vanity fair got it all wrong, Silicon valley did not directly cause the fall of Theranos any more than marriage is the cause of divorce. Silicon valley is responsible for the inappropriate elevation of theranos in the first place. The invest now or it will be too late mentality is one big pyramid scheme.

A whole lot of nepotism didn't hurt either. I would venture to say that there are millions of people in the US who would have been more successful in creating a viable company had they been simply *given* the same level of blind investment by friends and family...

Comment Re:So in other words it's used and is useful (Score 0) 248

Relatively it is very precise though. You can measure a 1m altitude change easily. Knowing whether you are 50 or 51m above sea level is a different question

The key there is altitude change. The longer it has been since the barometer was last calibrated to a known altitude, the less accurate it is. After just 1 hour, the accuracy is +-200m, or the height of a 30 story building give or take, so basically useless unless you are constantly calibrating it.

As a stationary sensor, barometers are useful for predicting certain types of weather. Once you start moving them around, they are useless for that task. As an altitude indicator, they are only good on extremely short timescales (minutes). After the time it would take to ride an elevator to the top of an 80 story building, commercial grade GPS would give you a more accurate indication of altitude.

I can tell you what they are definitely good for though: Detecting how far *below* sea level you are going, as that pressure is usually quite reliable. If you want to find out if people are submeging their phones so that you can deny warranty claims, then that is the perfect sensor...

Comment Re:Ch-Ch-Ch-Changes (Score 1, Funny) 248

You know what's even more retarded? Not using barometer data to measure slight changes in elevation when combined with an initial GPS pull.

I agree 100%! I can't even begin to count the number of times I have been climbing a flight of stairs and thinking to myself "I wish my phone had a barometer so I could effectively measure how far I am moving along the Z axis".

You know what Steve Jobs thinks of the Barometer in his new iPhone7? He's pissed off because the only useful thing it can tell him is that he's 6 feet under... Steve Jobs was an exceptional visionary, Tim cook is a no talent hack who's going to run that company into the ground Balmer style.

Comment Re:Another way to look at this is.. (Score 1) 400

Has any technology ever had any long term unemployment increasing effect throughout human history? I've heard and read about the fears of human unemployment crisis due to X tech, but I'm yet to see any hard evidence of it in the real world.

that sounds an aweful lot like how NASA described foam shedding from the exterrnal tank on the old shuttles. The thinking was simply: the stuff keeps falling off, but nothing bad ever happens, it must not be as dangerous as the engineers seemed to think. Since it has never caused a problem before, it shouldn't ever cause any problems in the future.

The very definition of shortsightedness is the overriding expectation that the future can be predicted solely from the past.

Slashdot Top Deals

Almost anything derogatory you could say about today's software design would be accurate. -- K.E. Iverson