Re: [netconf] configuring multi-channels

[Martin Bjorklund <[e-mail]>]

Tianran Zhou <[e-mail]> wrote:
> Hi Martin,
> 
> The channel is concept is from 
> https://datatracker.ietf.org/doc/draft-zhou-netconf-multi-stream-originators/
> There are multiple publication channels per device/subscription.

In that document, the word "channel" is present three times + one
(broken) XML example.  The concept of a channel needs to be explained
in detail so that we can have a meaningful discussion.



/martin


> It should be better if the client is not aware of the
> channels. These can be achieved by using the UDP based publication
> channel as in:
> https://datatracker.ietf.org/doc/draft-ietf-netconf-udp-pub-channel/
> The publishers can use the same IP as the subscription channel, and
> use dynamic ports. So no per channel configurations need.
> 
> For https-notif, we can consider to pre-configure all the
> possible/potential publication channels.
> But the usage of which
> channels is decided by the device dynamically during the run time.




> 
> Regards,
> Tianran
> 
> > -----Original Message-----
> > From: Martin Bjorklund [mailto:[e-mail]]
> > Sent: Tuesday, September 17, 2019 3:27 AM
> > To: [e-mail]
> > Cc: Tianran Zhou <[e-mail]>; [e-mail]
> > Subject: Re: [netconf] Adoption Call for
> > draft-mahesh-netconf-https-notif-00
> > 
> > Kent Watsen <[e-mail]> wrote:
> > >
> > > Hi Tianran,
> > >
> > >
> > > > Considering the multiple stream originator case, I would suggest this
> > https-notif to add a channel level configuration.
> > > > i.e.
> > > >
> > > > +--receivers
> > > >    +--receiver
> > > >       +--channels
> > > >          +--channel
> > > >             +--here put the http client server configurations
> > > >
> > > > This is compatible with the single originator case with only one channel
> > configuration.
> > >
> > > We can look at this.  Maybe use a choice statement between the two options...
> > 
> > I don't think this is a good idea.  But then I don't really understand the
> > 'channel' concept.  I don't understand why the client needs to be aware of
> > these channels, but this should probably be discussed in a separate thread.
> > 
> > 
> > /martin
> > 
> > 
> > >
> > > Kent // co-author
> > >
> > >
> > > >
> > > > If you do not like this, I think existing https-notif model also works.
> > > > i.e. each receiver configuration stands for one channel.
> > > > But this is not clear IMO.
> > > >
> > > > Best,
> > > > Tianran
>