ADSL-PPP packet rate limit (was Re: Adsl Voip)

[Christos Ricudis]

Nikolaos Kefalas wrote:
> Alla to problhma den einai ekei, ean to traffic shapping ginontan mono me
> bash ta atm-cells , tha htan adynaton na gnwrizei o atm-router sto dslam posa
> ppp paketa yparxoun mesa sta atm-cells, logika to shapping ginetai se pio panw
> layer me kapoio protocolo ston router, ean kapoios einai se thesi na mas
> e3hghsei perissotera gia to ti kanei o OTE apo to adsl-modem mexri ton
> proviter, tha tou eimastan eugnwmones.
>   
Mporw na sou ekshsghsw egw ti kanei o OTE apo to adsl-modem mexri ton 
provider :

APOLYTWS TIPOTA.

Epishs, "APOLYTWS TIPOTA" einai synh8ws ayto poy kanei kai o ISP mexri 
to edge tou. Se tetoies klimakes DEN kaneis traffic shaping etsi gia thn 
plaka. Sou trwne resources pou ta xreiazesai,  kai spaniws boh8aei 
opoudhpote sto generic case. O ISP to mono poy mporei na eggyh8ei (ki 
akoma kai tote 8a to kanei me kapoio SLA poy 8a to plhrwseis se kokainh 
(to xrysafi den symferei pleon)) einai ti 8a symbei sto paketo sou oso 
taksideyei mesa sto AS tou.

> Edw den milame oti exei problima to voip , exei problhma to sumpan, oti kai na
> mou pei kapoios gia overbooking me logo 1/40 sta dslmam,no-qos sto atm diktua
> k.t.l den arkoun gia na mou apanthsoun se auth thn aparadekti sumperifora ths
> adsl opou mpenei ena orio ston arithmo ton ppp paketwn pou mporeis na sthleis,
> eite einai kena, eite exoun to megisto mhkos, eleos re paidia. H sundesh mou me
> to PSTN modem exei kaluterh sumperifora.
>   
De mou les, ayto to les epeidh ekanes kapoia simulations tou 
overcongested case se ena network simulator me PPP kai ATM, h aplws 
epeidh "to lene ooooooloi sto adslgr.com, kai etsi pws to kobeis ki esy 
me to mati mallon exoun dikio" ?

-- 
Christos Ricudis				ricudis at itc.auth.gr
Systems Administrator				+30-2310-998656
IT Support Center
Aristotle University of Thessaloniki, GREECE