Re: [sop] [Sdnp] Fwd: SOP and SDN Question

Mach Chen <mach.chen@huawei.com> Sat, 25 February 2012 01:14 UTC

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Date: Sat, 25 Feb 2012 01:14:19 +0000
From: Mach Chen <mach.chen@huawei.com>
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Thread-topic: [sop] [Sdnp] Fwd: SOP and SDN Question
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Subject: Re: [sop] [Sdnp] Fwd: SOP and SDN Question
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Fully agree with Sam here!

Best regards,
Mach

> -----Original Message-----
> From: sop-bounces@ietf.org [mailto:sop-bounces@ietf.org] On Behalf Of Sam
> Aldrin
> Sent: Saturday, February 25, 2012 12:09 AM
> To: Thomas Nadeau
> Cc: sdnp@lucidvision.com; sop@ietf.org; robert@raszuk.net
> Subject: Re: [sop] [Sdnp] Fwd: SOP and SDN Question
> 
> I think SDN is being over loaded and confusion exists, not just between Driven
> and Defined, but also what each of those does. The way i understood and also
> being presented is, ONF SDN encompasses not just openflow, but network
> applications with the help of northbound API between controller and
> applications. Where SDNP plays pivotal role in defining protocol elements  and
> api to interconnect network elements and applications. It is high time to gets
> the terms identified along with clear definition of what it does, and more
> importantly, start using them in future conversations could alleviate the
> confusion.
> 
> Cheers
> Sam
> 
> Sent from my iPad
> 
> On Feb 24, 2012, at 7:48 AM, Thomas Nadeau <tnadeau@lucidvision.com>
> wrote:
> 
> >
> > On Feb 24, 2012, at 10:43 AM, Robert Raszuk wrote:
> >
> >> Hi Tom,
> >>
> >>>> You seem to suggest that Open Flow can be expanded to include services
> >>>> besides networking.
> >>>
> >>> I think you misunderstood what I wrote. Software Defined Networks (i.e.:
> >>> OpenFlow) is targeted at working at the hardware abstraction level only.
> >>
> >> That's completely inaccurate.
> >
> >    Not completely. *)
> >
> >> SDN is all about network applications. You perhaps are confusing it with ONF
> which indeed at this point is focused on defining OpenFlow protocol.
> >
> >    Software DRIVEN Networks is all about network applications *and* their
> interaction with network services and elements, of which a
> > subset is Software *defined* Networks (I.e.: OpenFlow).   We really need to
> pick a different term for Software Driven Networks because
> > it is confusing everyone. People seem to equate "SDN" with OpenFlow
> without being clear about the "D".
> >
> >    --Tom
> >
> >
> >
> >> But protocols are not defined just by bunch of hardware enthusiasts. They
> are defined to address specific software defined applications.
> >>
> >> Best,
> >> R.
> >>
> >>
> >>
> >> Software *Driven* Networks is
> >>> targeted at services and network elements.
> >>> There is a clear difference.
> >>>
> >>> --Tom
> >>
> >>
> >
> > _______________________________________________
> > SDNP mailing list
> > SDNP@lucidvision.com
> > http://lucidvision.com/mailman/listinfo/sdnp
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