|
At 03:24 PM 7/28/00 +1000, Chris Anderson wrote:
>Julian Anastasov wrote:
> >
> > On Fri, 28 Jul 2000, Chris Anderson wrote:
> >
> > > So, I guess the question is, how do I go about sending stuff to the
> > > realservers by splitiing it up at the packet level, rather than the
> > > connection level?
> >
> > Good question! This is possible to implement. But be more
> > specific:
> >
> > - protocol (UDP)? LVS talks only TCP and UDP for now.
>
>TCP/IP
>
> > - why the restriction for only one source?
>
>That's covered by the NDAs :-/ I wish I could say more, as it would
>help with my explanations.
>
>Think of it as, oh, a proxy that delivers all of its connections to us.
>
> > - what compression?
>
>Stripped headers that we put back together at our end stuff like that.
>
> > - RFC?
>
>I'm not sure of any RFC that covers what we're doing; it's all bleeding
>edge from where I stand.
>
> > - more details and pictures
> >
> > I see this as a service (and so an entry) flag. Of course,
> > if there is a good reason for such flag without raising other
> > problems. Scheduling on each UDP packet without creating entries?
> > Or one for each source? Any application that requires such feature?
>
>The incoming packet stream needs to be balanced among several real
>servers, which do their own processing on the data, and send it on
>elsewhere without any further intervention on the part of the director.
>Any return traffic is not related to the incoming connection, so storing
>info about the connection is not required (as best as I can figure out
>at this point). A scheduling system such as weighted least realserver
>load would be nice, too. (I'm seeing a lot of custom script writing here
>:-/ )
>
>Just as an aside: is it possible to change the weighting on the fly when
>using weighted whatever scheduling, without having to rewrite the config
>file and restart the director? Maybe based on realserver load or some
>other metric?
Yes, the change will take effect immediately.
>Cheers, Chris.
>--
>"This calls for a very special blend of psychology
> and extreme violence." -- Vyvyan, "The Young Ones"
>
|
