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Sorry about my lack of clarity and apparent misunderstanding of the
context in the first place, but as for the 300 baud, thought it was just
a hypothetical extreme that we're unlikely to see on the internet
nowadays...
On Tue, 2002-07-02 at 19:26, Kent Rollins wrote:
> User& is right when he says "your baud rate's as low as the slowest
> connection between any two computers". Should have stopped there.
>
> If you're communicating with a 300 baud modem (~30 bytes/sec) why do you
> think you could communicate faster with it by put a T1 or even a T3 on the
> other end. 300 baud is 300 baud period.
>
> What will happen is this: you will transmit an IP packet at T1 speed thru
> your connection. If this is thru a typical internet connection, it will
> take 10 to 20 hops across the internet. In most cases, each hop across the
> net will end at a router. Each router receives and buffers each packet that
> it receives. It looks at the header, determines where the packet is going
> and then sends the packet out across the next hop. Some of these hops will
> be connected by T1's, some will be T3's, some will be 100Mb ethernet, some
> will be 1000Mb ethernet. At each hop, the packet travels across the wire at
> whatever speed the 2 endpoints are capable of.
>
> When the packet gets to the router in front of the 300 baud modem, the
> router will begin transmitting the packet to the modem at 300 baud. Long
> before it finishes sending that first packet, the router will receive the
> second packet you sent (depending on the protocol being used). At this
> point, the behavior is protocol- and router-dependent. In some cases the
> router will buffer the second packet until it finishes sending the first.
> In other cases the router will drop the packet and may or may not send
> notice back to your comm equipment to stop transitting until it finishes
> sending the first packet.
>
> But in no case can the 300 baud modem receive data faster than 300 baud.
> That's why it's called "300 baud". Ditto for sending.
>
> Kent
>
>
> ----- Original Message -----
> From: "User &" <dcswest@xxxxxxxxxxxxx>
> To: <realtraders@xxxxxxxxxxxxxxx>
> Sent: Tuesday, July 02, 2002 5:14 PM
> Subject: Re: [RT] GEN: TRADING LINES: T-1 & DSL
>
>
> A T1 line's roughly equivalent to a 1,544,000 baud rate, which is bits
> (1 character = 16 bits) per second, in this case between your computer
> and your ISP's computer. Although your baud rate's as low as the
> slowest connection between any two computers carrying your signal over
> the internet, including that other end's connection to the internet,
> you're unlikely to see anything nearly as low as a 300 baud rate. You
> might see more like 300 KBytes (8 bits = 1 byte) per second with
> something like a cable modem instead!
>
> Hope that helps,
>
>
> On Tue, 2002-07-02 at 12:41, charles meyer wrote:
> > Group-
> >
> > Would anyone care to tap out a few comments on the technical difference?
> > I was told that a T1 line is just a 1.544 MB line. (Not sure what those
> > numbers mean though<g>)
> >
> > I'm told that if the other end as a 300 baud moden; its still 300 baud,
> > etc...
> > Does my confusion make any sense?<g>
> >
> > chas
> >
> >
> >
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> >
> >
> >
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> >
> >
> >
>
>
>
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