Why not...i'm supposed to relax today...
(After some serious googling to try to find anything regarding the
electrical properties of 100BASE-TX Ethernet.)
Size of a standard ping packet:
14 bytes Ethernet
+ 60 bytes IP datagram
-------------------------
74 bytes
74 bytes * 8 bits per byte = 592 bits
Transmission rate of fast ethernet:
100M(ega) bits per second = 100,000,000 bits per second
Transimission time of ping packet:
592/100,000,000 = 0.00000592 seconds
Ethernet current = 40mA = .04A
An Ampere equates to the movement of 1 coulomb (6.24 * 10 ^^18
electrons) per second
A single electron weighs 9.11 * 10^^-28 grams (give or take ;) )
So, our standard ping packet weighs approximately:
0.00000592 * (.04 * (6.24 * 10^^18) * (9.11 * 10^^-31)) = 1.346122752 *
10^^-15 grams
I have no idea what that means. :)
Robert Rich wrote:
> Sorry to be pedantic, but regardless of kilo, kibi, mega or mebi, a
> lower case 'b' means 'bit' and an uppercase 'B' means byte...where 8
> bits = 1 Byte.
>
> Simon SZE-To wrote:
>
>> Hi John,
>>
>> You may inversed them, for the new IEC standard, 1KB = 1000 bit and
>> 1KiB = 1024 bit
>>
>> Reference: http://physics.nist.gov/cuu/Units/binary.html
>>
>>
>>
>>
>>
>>> Theres a New Standard in year 2000 that introduces the term, KibiBit.
>>> 1Kibibit = 1000Byte
>>>
>>> However,
>>> 1KiloBit is still 1024Byte
>>>
>>> Whether this new standard will be widely used, is still unknown and its
>>> up to the programmers.
>>>
>>>
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>>
>>
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>
>
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