Yosef Gunsburg

you'd think I'd get the hang eventually ;)

Mb MB Kb KB seconds, msec

yea, the conversion throws me off every time

whoa

Long fats

High speed satellite link, high latency

Drove me in circles

I remember trying to figure out BDP and RTT and window scaling TCP extensions...

(Math escapes me :))

Thanks!

yea

~ 50Mbps

= 51.2

?

/1000

/.01

64KBps

right

yup. so Win7 for example will set that up

from the start?

So that sets the window to a large value?

g

they set the multiplier

I know a university that does it

They start with a scaled window

Many implementations throw the window through the roof anyways

Ah, I see

lol

Optimizing TCP is fun...

That always makes me craaazy.

Oh... Up there you were referring to the BDP?

yea. every user download will congest

:)

I wouldn't suggest going lower than 10M

good point

hmm

for a file trans?

etc

vs. sql transactions

if you see file transfers (user based) taking up the link for a couple seconds here and there

and it really depends on the type of traffic

absolutely

how'd you get 51.2?

64KB/10ms

What I'm getting at is that if you have a 100Mbps link, and someone decides to download 600MB, the link will be saturated for the file transfer, but that doesn't mean you need a 100M connection

ah

Wait, that's the default?

And it will quickly scale back

Right

It will never scale up in the first place :)