I am interested in the incoming traffic (from Internet to lan users). This is the problem.
On Wed, 29 Aug 2007 20:12:09 +0200, Javier Ors wrote > > > As far as I undestand, at least sfq should work without knowing the actual > bandwith (you don't need to specify it in the qdisc creation). The problem > with it is that it only works in the bottleneck of the network, where the > queues form, which is usually the machine which has the hardware that makes > the connection to the Internet. For example in this configuration... > > Internet <--- cable/dsl/etc. ---> Router/Modem <---ethernet---> Firewall > <---ethernet---->LAN > > shaping outgoing traffic (traffic to the internet) with only sfq, esfq, prio, > etc... will be useless if it is done in the firewall, becouse the queues will > form in the router. It could be done in the same router if it has the > capability (for example, it runs Linux inside and it is accessible by ssh or > telnet). I haven't tried WRR but the same should be applied. > > Theoretically, at least as I see it, HTB could also be used without knowing > the actual speed in the bottleneck, you just should set the root class to a > speed higher than Vmax and adjust the rates of the leaf classes to the > desired ratios, or playing with the quantums so that it behaves like a WRR or > DRR (which is that it uses internally when the classes are borrowing). But I > have made many attempts in this sense and all of them have been unsuccessful, > don't know why. > > For incoming traffic it is another story, it can be done in the firewall, but > it is a little trickier. > > Even more theoretically, outgoing shaping maybe could be done also in the > firewall if the router supports ECN, so that the queues could be formed in > the firewall using this information without nedding to reduce the bandwith, > but this is just a mental experiment which still have pending to brought to > practice, so don't pay much attention to this... > > -- > Este mensaje ha sido analizado por MailScanner > en busca de virus y otros contenidos peligrosos, > y se considera que está limpio. > MailScanner agradece a transtec Computers por su apoyo. -- Open WebMail Project (http://openwebmail.org) There is some queue disciplines like esfq and WRR (w. But theses ones only > work if you know the actual bandwidth. -- Este mensaje ha sido analizado por MailScanner en busca de virus y otros contenidos peligrosos, y se considera que está limpio. MailScanner agradece a transtec Computers por su apoyo.
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