> On Wed, 2003-04-16 at 13:27, Linux RedHat wrote: >> > On Wed, 2003-04-16 at 12:13, Linux RedHat wrote: >> >> Hi all, >> >> >> >> I am wondering if I can use traffic control to balance the traffic coming >> into my computer in the following way... >> >> >> >> +----------+ +----------+ +----------+ +----------+ | Internet | >> | Internet | | Internet | | Internet | | Server 1 | | Server 2 | >> | Server 3 | ... | Server n | +----------+ +----------+ >> +----------+ +----------+ >> >> Port ????? Port ????? Port ????? Port ????? >> >> | | | | >> >> +--------------+------+-------+-----------------+ >> >> | >> >> | eth1 >> >> +----------+ >> >> | Linux | >> >> | Router | >> >> +----------+ >> >> | eth0 >> >> | >> >> +----------+ >> >> | PC on | >> >> | Lan | >> >> +----------+ >> >> >> >> Multiple servers sending data to one pc on the lan using multiple ports. I >> want to load balance the traffic leaving eth0 towards the PC based on the >> number of connections. >> >> >> >> I am wondering if I will be able to set up classes/filters for a set number >> of connections ( for arguments sake - say 10 connections ) regardless of what >> port they are on and thus configure my tc setup to load balance those 10 >> connections - allowing them to borrow from each other as usual. >> >> >> >> All I am looking for here is a short yes/no answer and possible a hint as to >> what part of the howto to start looking at. I want to figure out how to do it >> myself, but don't want to waste time trying if it is not possible. >> >> >> >> Thanks for your time spent reading/answering. >> >> >> >> Leigh >> > >> > hi leigh, >> > >> > checkout the linux virtual server page as well -- this is the exact schema >> discussed in the howto. (http://www.linuxvirtualserver.org/) >> > >> > cheers >> > >> > christopher cuse >> >> Thanks for that Christopher... >> >> Unfortunately that's not quite what I am after : >> >> The servers referred to in my diagram are not "known" servers. They could be any >> servers e.g. public ftps, web sites etc. The virtualserver pages seem to be >> designed for balancing the load on "known" servers while I want to balance the >> traffic *to* the client which has connected to several previously undefined >> servers and is downloading from each of them. >> >> The purpose here is to prevent one server from sending so fast that it "hogs" >> the bandwidth available on my internet connection. >> >> An example would be that I am downloading via ftp from two servers where the >> first server can send data at 200KB/s and the second server can only send at >> 50KB/s. My internet connection can only handle 120KB/s so I want each connection >> to be guaranteed 60KB/s but allow borrowing of bandwidth where available. (In >> reality I will be implementing traffic control to allow for prioritising >> interactive traffic and also balancing the load between multiple client PC's on >> the lan but for the purposes of this discussion I am ignoring that part of the >> structure) >> >> This is possibly a similar problem to sharing the bandwidth available to >> multiple client pcs but on top of that sharing the bandwidth available to each >> pc among that pc's active connections. >> >> Hope that clarifies my project a bit... I have just realised that I used the >> term "load balancing" in my original post and may have misled you. I meant >> "bandwidth sharing". >> >> Leigh > > hi leigh, > > well, i would probably start with a script (see attached cbq-init) which should > help you get your feet wet and serve as a knowledge foundation upon which you will > build your final tc hierarchy. > > cheers > > christopher cuse gulp! thanks again - i think i've now got a lot of reading to do.
