Jeff:
Just to confirm three facts before I put them in i2rs drafts (based on Juergen's email - based on Juergen's email: I2RS is "config true empheral". If i2rs has additional configuration for BGP related to your I2RS peers for reporting routes: . BGP based config + I2RS additional config + AS Config Can I2RS have additional configuration values specific to I2RS? For example, information regarding how often to report the routes for a particular pear? Sue -----Original Message----- From: Jeffrey Haas [mailto:[email protected]] Sent: Wednesday, September 24, 2014 11:44 AM To: Susan Hares Cc: 'Jeffrey Haas'; [email protected]; [email protected] Subject: Re: [i2rs] Summary of discussion from netmod interim on i2rs requirements on netmod/netconf Sue, On Tue, Sep 23, 2014 at 06:14:16PM -0400, Susan Hares wrote: > The fourth option is interesting and creative. A few > questions/requests: 1) How would the fourth model be expressed in the > yang model - config (empheral)? I believe Juergen has answered this point. > 2) Please define your definition of local config with an example., This corresponds to "config true" state, probably in the running datastore. The semantics on the impact for the commit model when writable-running is not in use haven't been fully explored. > and 3) please give an example of the (must, when) use cases > envisioned? In the original proposal in my draft, when we had completely disjoint datastores, consider the BGP I2RS ephemeral peer case. The I2RS model would have a container of ephemeral peers. That container might not specify the local Autonomous System number. In that case, there would be a MUST requirement for that neighbor that there exist a system-wide configured Autonomous System number, probably in the local Config. Currently, there is no syntax that says how to examine nodes that are in a different datastore. From an XPath context, the current datastore is the document context. In the new proposal, since the ephemeral datastore gets a shadow of the local config, there is no need to have extensions to XPath to refer between data stores. However, if we end up with more than one ephemeral datastore (not recommended for this reason), such an issue returns. -- Jeff
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