Re: [Netconf] Fwd: Regarding complete device configuration sync to NMS

[Andy Bierman <[e-mail]>]

On Thu, Sep 3, 2015 at 10:10 AM, Juergen Schoenwaelder <
[e-mail]> wrote:

> On Thu, Sep 03, 2015 at 09:46:15AM -0700, Andy Bierman wrote:
> > On Thu, Sep 3, 2015 at 9:40 AM, Juergen Schoenwaelder <
> > [e-mail]> wrote:
> >
> > > On Thu, Sep 03, 2015 at 04:17:22PM +0000, Kent Watsen wrote:
> > > > [hit the wrong button before]
> > > >
> > > >
> > > > Hi Shiva,
> > > >
> > > > > I would like to propose one method to get the complete
> > > > > configuration through zip file to NMS. I feel this method will be
> > > > >effective instead of <get> without any filter. Please advice.
> > > >
> > > > Like a <copy-config> with a parameter indicating compression.  Then,
> to
> > > > avoid the zip file being base64 encoded, another parameter indicate
> where
> > > > to put the file (tftp://, ftp://, etc.), or wait for the
> > > multiple-replies
> > > > draft to provide a better solution for bulk transfer.
> > > >
> > > > In the meanwhile, a custom RPC could define this behavior
> immediately.
> > >
> > > If the goal to reduce bits on the wire, certain secure transports can
> > > do compression transparently for you (and it then works for everything
> > > exchanged in a session, not just a get without filters).
> > >
> > >
> > Yes, but it would be nice if NETCONF was not so "cache-unfriendly".
> > RESTCONF has Entity tags to help the client only retrieve data
> > when it has changed.  Pub/sub offers a way to push only the data
> > that has changed.  A "get without filters" should be a rare event
> > if the protocol is designed correctly.
> >
>
> I guess we agree that it is unclear why he asked the question, that is
> which problem he is actually trying to solve.
>
>
Devices that are large enough to make this worthwhile generally
no not store the contents of <get> in memory in 1 process.
Building a giant response file then compressing it would not work.
Lossless compression that works on an arbitrary chunk of data at a time
would be OK.



> /js
>

Andy


>
> --
> Juergen Schoenwaelder           Jacobs University Bremen gGmbH
> Phone: [phone]         Campus Ring 1 | 28759 Bremen | Germany
> Fax:   [phone]         <http://www.jacobs-university.de/>
>