Re: Ceph Messaging on Accelio (libxio) RDMA

["Matt W. Benjamin" <matt@cohortfs.com>]

Apparently the only issue is the clause 2 requirement to mention the
copyright in docu or materials?

Matt

----- "Yaron Haviv" <yaronh@mellanox.com> wrote:

> > -----Original Message-----
> > From: Yehuda Sadeh [mailto:yehuda@inktank.com]
> > Sent: Tuesday, January 07, 2014 10:17 PM
> > To: Yaron Haviv
> > Cc: Atchley, Scott; Matt W. Benjamin; Sage Weil; ceph-devel; Eyal
> Salomon
> > Subject: Re: Ceph Messaging on Accelio (libxio) RDMA
> > 
> > On Tue, Jan 7, 2014 at 11:52 AM, Yaron Haviv <yaronh@mellanox.com>
> > wrote:
> > > [[YH]]
> > >
> > > Accelio is an open source, vendor and transport neutral, works
> over
> > > any RDMA device, and the TCP transport is progress It has
> different focus
> > than CCI, CCI seems similar to our MXM library used for
> > MPI/SHMEM/PGAS/..
> > > While Accelio is Enterprise messaging and RPC focused, its goal is
> to
> > > maximize performance in a noisy event driven environment And have
> end
> > to end transaction reliability, including dealing with extreme
> failure cases,
> > task cancelation and retransmission, multipath, data-integrity ..
> > > It has C/C++/Java bindings, and Python in progress
> > 
> > I don't know if it has been covered (wasn't following this thread
> closely). The
> > Accelio licensing is problematic. It's dual licensed (GPLv2,
> modified BSD which
> > requires retaining the copyright clause), both licenses are
> compatible with
> > ceph, however, both will add restrictions to the ceph distribution
> which we
> > want to avoid.
> > 
> > Yehuda
> >
> [[YH]] 
> Yehuda,
> 
> Let's take it offline to understand the concerns, the license is
> identical to the OFED (RDMA Verbs) library AFAIK  
> If we need to make modifications to make it less restrictive we are
> open to it 
> 
> Yaron
>  
> > 
> > >
> > > We have noticed that most of our partners and OpenSource efforts
> > > repeat the same mistakes, duplicate a lot of code, and end up
> with
> > > partial functionality So we decided to write a common layer that
> deal
> > > with all the new age transport challenges, and taking into account
> our
> > > experience Can read the details in:
> > > http://www.accelio.org/wp-
> > content/themes/pyramid_child/pdf/WP_Accelio_
> > > OpenSource_IO_Message_and_RPC_Acceleration_Library.pdf
> > >
> > > Accelio is now used by Tier1/2 storage and database vendors, and
> > > integrate into few OpenSource Storage/DB/NoSQL/NewSQL projects
> One
> > > open example is Hadoop
> > >

-- 
Matt Benjamin
CohortFS, LLC.
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