[cgl_discussion] Re: [dcl_discussion] ANNOUNCE: OSDL Clusters (foundational components)

Steven Dake sdake at mvista.com
Mon Dec 1 10:45:39 PST 2003

On Thu, 2003-11-27 at 02:47, Lars Marowsky-Bree wrote:
> On 2003-11-26T16:23:05,
>    Steven Dake <sdake at mvista.com> said:
> > The one place the kernel can really help, and should not be dismissed
> > lightly, is reliable totally ordered messaging.  This is a clear
> > requirement of any clustering infrastructure (including cluster
> > membership) and is best implemented by interrupt-driven timer sources. 
> Yes. I fully agree.
> Actually I have an interesting offer here. The Trans-Is project has
> implemented such a group messaging service
> (http://www.cs.huji.ac.il/labs/transis/transis.html). I have spoken with
> professor Dolev, and he would be willing to provide this suite to the
> Open Source community.
> However, the Linux HA project lacks the resources to fully appreciate
> this offer. Maybe this is something where OSDL could chime in?
> (The algorithms are all there. But, Trans-is is implemented fully in
> user-space, so eventually a port to kernel space to meet the OSDL
> requirements may be necessary, even if I don't agree with those
> requirements ;-)


Having a bsd-licensed or similiar open implementation of fully ordered
messaging could only help accelerate the adoption of Linux has a cluster
OS.  Someone is likely to look at the code and use it if nothing else. 
I'd like to have a look...


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