NBN Discussion

JessicaTam said:
A megabyte is a completely accurate unit of measuring data. o_O
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Well, now that you come to bring up the topic, it's not actually. And in data transmission speed terms is very rarely used.

Strictly it used to be 1000 x 1024 bytes of 1,048,576 bytes but it depends where the term is used. Many systems use 1,000,000. Your hard drive has, say 250MB or space but that's not 250 x 1,048,576 bytes of storage.:cool:

"The megabyte is a multiple of the unit byte for digital information. Its recommended unit symbol is MB. The unit prefix mega is a multiplier of 1000000 in the International System of Units. Therefore, one megabyte is one million bytes of information. This definition has
been incorporated into the International System of Quantities."

This is why it's recommended these days that the term MiB ( mebibyte is a multiple of the unit byte for digital information) is now in common usage for the computer related terminology to avoid confusion.
 
serfty said:
Yip, 1 MB is 8 times the the amount of 1 one Mb ...

Don't get me started on Mebibytes ...
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Years ago, someone tried to take hard drive manufacturers to task for misrepresentation that the 250MB drive couldn’t hold 250 Megabytes of data based on the eight bit scheme. They lost.

Ps: I always remember the old adage “The great thing about Standards is that there are so many to choose from.”
 
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JessicaTam said:
Thanks for the lesson on transmission speed descriptors. Except of course I never mentioned speed.
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No, technically, but that was the context, so “accuracy” is important.

The distinction between accuracy and precision is very important in the context.
 
And of course NBN uses CIR for certain parts of its network - usually measured in kbit/sec
Then there is CDR which is the “meaty” part of the CIR
Unfortunately NBN does not do CIR for the traffic class that most people want the NBN for. We only get “best effort” - sounds good but it’s more like “best effort but don’t look at us if it’s slow”
 
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So Buzzard, what are the actual max
Stats shown in the modem interface, and do you have more than one phone point in your house?
 
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FTTC is a great idea.
Later on individual premises who really want FTTP can dig up their own lawn

We are getting FTTC and interestingly our area does not have underground ducts. All telephony is aerial. Not even town gas or town sewerage

So I would think when NBN comes through they will just string it up on telegraph poles
 

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