[netconf] RE: Adoption Call for draft-mahesh-netconf-https-notif-00

wangzitao <wangzitao@huawei.com> Wed, 11 September 2019 07:58 UTC

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From: wangzitao <wangzitao@huawei.com>
To: Kent Watsen <kent+ietf@watsen.net>
CC: "netconf@ietf.org" <netconf@ietf.org>
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Date: Wed, 11 Sep 2019 07:58:06 +0000
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Hi Kent,

Thank you for your reply.
I am trying to understand the relationship and usage of this draft and a set of netconf drafts:
This model present the receiver's information (such as IP, port, etc) and it augment the ietf-subscription-notification model that the user can specify multiple subscription receivers.
And the user also need to configure the server to specify receiver's port and IP (via ietf-client-server?). That the server can call home to the receivers.
Is my understanding correct? If yes, I suggest that a brief description of the workflow should be present in the draft.

Best Regards!
-Michael

发件人: Kent Watsen [mailto:kent+ietf@watsen.net]
发送时间: 2019年9月11日 13:16
收件人: wangzitao <wangzitao@huawei.com>
抄送: netconf@ietf.org
主题: Re: [netconf] Adoption Call for draft-mahesh-netconf-https-notif-00

Hi Michael,


IMHO, this model can be used in call-home scenarios, for example the server can initiate a transport session to those receivers in the subscription using the address and port specified.
Therefore, I suggest to add some attributes, such as Listen Port, to support call-home.

I'm not entirely sure I follow you.

Firstly, the draft is describing the NC/RC server initiating a protocol connection to a remote peer (the receiver).  So, in this since, it is "call home" already.

That said, maybe you mean "call home" in the sense of protocol-reversals (e.g., reverse TLS).  If so, note that the protocol being discussed here is more like Syslog than RESTCONF.   If it were Syslog, would you also to think there is a need to have a protocol-reversal?

Kent // as co-author