[LARTC] Another sharing tehnique, is this possible ?

[LARTC] Another sharing tehnique, is this possible ?

[raptor]

hi,
(assume HTB)
I was thinking will it be possible to do some sort of UNFAIR-SHARING :"), what I have in mind :

Say I have a internet link with 100kbits bandwith, then I want to share it between many clients (which will increase over time). Let's i start with 5 clients with rate = 30kbits...
See the total bandwith of users is 120kbits but I have only 100kbits.... So where is the problem I want to describe their bandwith like

total 100kbits
 |__ user1 => rate 30kbits, ceil 30kbits
 |__ user2 => rate 30kbits, ceil 30kbits
 |__ user3 => rate 30kbits, ceil 30kbits
 |__  .....................
 |__ userX => rate 30kbits, ceil 30kbits

U can say why I just don't calculate 100/5 = 20 and set for all users "rate 20kbits, ceil 30kbits", 'cause i will add more users in the future and will need to calculate again and again this value... also some of them may want 30kbits other 10kbits etc....
(it is ok for them to get lower rates 'cause the speed is ungaranteed the user are not online 24hours a day and of course when bandwith got used to the max it will upgraded to better speed)..

In fact what I want to say is : the max rate should be X but if the link is overused u will get lower speed ...??
One way this to be done is if I use something like this :

 rate 0 ceil desired-speed

but is this possible, or if not what is the lowest possible value.... 
- Will proirity have be taken into account so that i can say some should be served better than other ?
- the lower possible bandwith i will lend is 9600bps .. yes we have such speeds the price here is big :"(

Thanx alot
raptor
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Re: [LARTC] Another sharing tehnique, is this possible ?

[Stef Coene]

> Say I have a internet link with 100kbits bandwith, then I want to share it
> between many clients (which will increase over time). Let's i start with 5
> clients with rate = 30kbits... See the total bandwith of users is 120kbits
> but I have only 100kbits.... So where is the problem I want to describe
> their bandwith like
>
> total 100kbits
>
>  |__ user1 => rate 30kbits, ceil 30kbits
>  |__ user2 => rate 30kbits, ceil 30kbits
>  |__ user3 => rate 30kbits, ceil 30kbits
>  |__  .....................
>  |__ userX => rate 30kbits, ceil 30kbits
>
> U can say why I just don't calculate 100/5 = 20 and set for all users "rate
> 20kbits, ceil 30kbits", 'cause i will add more users in the future and will
> need to calculate again and again this value... also some of them may want
> 30kbits other 10kbits etc.... (it is ok for them to get lower rates 'cause
> the speed is ungaranteed the user are not online 24hours a day and of
> course when bandwith got used to the max it will upgraded to better
> speed)..
>
> In fact what I want to say is : the max rate should be X but if the link is
> overused u will get lower speed ...?? One way this to be done is if I use
> something like this :
>
>  rate 0 ceil desired-speed
>
> but is this possible, or if not what is the lowest possible value....
> - Will proirity have be taken into account so that i can say some should be
> served better than other ? - the lower possible bandwith i will lend is
> 9600bps .. yes we have such speeds the price here is big :"(
Normally, each class gets the rate as a minimum.  After that, the remaning 
bandwidth is divided according to the proportions of the rate (more accurate, 
the quantums) but the classes with the lowest prio will be serverd first.  So 
only remaining bandwidth will be influenced with the prio parameter.

And giving a class rate 0 is a strange idea :) 

Stef

-- 

stef.coene@docum.org
 "Using Linux as bandwidth manager"
     http://www.docum.org/
     #lartc @ irc.oftc.net

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Re: [LARTC] Another sharing tehnique, is this possible ?

[Stef Coene]

On Sunday 18 August 2002 21:56, Ivo De Decker wrote:
> On Sun, Aug 18, 2002 at 09:48:09PM +0200, Stef Coene wrote:
> > Normally, each class gets the rate as a minimum.  After that, the
> > remaning bandwidth is divided according to the proportions of the rate
> > (more accurate, the quantums) but the classes with the lowest prio will
> > be serverd first.  So only remaining bandwidth will be influenced with
> > the prio parameter.
> >
> > And giving a class rate 0 is a strange idea :)
>
> Well, not really:
>
> There might be some sorts of traffic (eg backups) that aren't really
> prioritary. The classes of this traffic could use borrowed bandwith
> exclusively: if there is no other traffic (or not enough to fill the total
> available bandwith), the backups can happen, but if there is other (higher
> priority) traffic, the backups can wait till that traffic lessens (assuming
> this eventually happens, off course).
>
>
> The question is: is this possible?
If you have a total of 100, give backup 1 and the rest 99.  As long as there 
is no other traffic, backup can get the full bandwidth.  But if there is 
other traffic, it can use up to 99. 

Stef

-- 

stef.coene@docum.org
 "Using Linux as bandwidth manager"
     http://www.docum.org/
     #lartc @ irc.oftc.net
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