- New to ADSL broadband, what does 'bitstream' mean?
- Posted by Horse.trader on June 28th, 2005
Having fairly recently joined NTL (512k) broadband, I was told by a BT
engineer that came to remove some RFI filters from my BT line, that, my
(broadband) 'connection' in the exchange was 'bitstream' he seems to
indicate this was good?
My actual connection speed is 2.2mps, but apparently BT cap this to 512k,
which is what I pay for, it certainly seems to be lightening fast, mind you,
compared to 33k dial up, I suppose it would!
Has anyone come across this 'bitsteam' term? The BT engineer said 'it's
bitstream and goes straight out??
No sure what he meant?
Brian Barwick (Huddersfield)
- Posted by kraftee on June 28th, 2005
Horse.trader wrote:
Don't think he did either.
- Posted by filthy on June 28th, 2005
"Horse.trader" <horse.trader@ntlworld.com> wrote in message
news
Ahwe.10212$11.3282@newsfe2-win.ntli.net...
"bit" is an abbreviation: binary digit.
Stream to denote as a packet
So to simply explain, when you see the terms 8bit, 32bit
or more commonly 24bit in DVD encoding, or the bit code
for your broadband connection.
Bitstreams are used extensively in telecommunications and computing.
example, the SDH communications technology transports synchronous
bitstreams,
and the TCP communications protocol transports a bytestream without
synchronous timing.
Note the diff spelling of bytestream, this denotes a special "packet" of
8bit, (8 binary digits
streamed as a "packet") so 3 bytestream is actually 24 bitstream as 3xpacket
stream -
but the timing is only synchronous within each packet.
If to be sychronus total, it will be a 24bitstream.
Now put the kettle on and have a cuppa tea.
- Posted by Phil Thompson on June 28th, 2005
On Tue, 28 Jun 2005 19:31:32 GMT, "Horse.trader"
<horse.trader@ntlworld.com> wrote:
he meant Datastream if you are NTHell
Phil
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- Posted by Lenny Nero on June 28th, 2005
Horse.trader said:
I thought you could have IP or DATA -stream in the UK.
The VP speed of 2.2 makes me think you have a data stream connection.
L.
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- Posted by David Taylor on June 28th, 2005
filthy <nonchalice@hogmail.org> wrote on Tue, 28 Jun 2005 20:36:23 +0000 (UTC):
You may (or may not, I'm not entirely convinced, but I can't figure
out why) be right. However, I think the engineer in question was
just confused about IPstream vs datastream.
--
David Taylor
- Posted by kraftee on June 28th, 2005
David Taylor wrote:
Now that is far more likely...
- Posted by Horse.trader on June 29th, 2005
"kraftee" <kraftee@spamoff&die> wrote in message
news:42c1c6d0$0$30832$ed2619ec@ptn-nntp-reader01.plus.net...
I understand a little more now, it is probably datastream I have.
Thanks again
Brian (Huddersfield)