====================================
#opendaylight-group-policy: UseCases
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Meeting started by alagalah at 20:05:11 UTC.  The full logs are
available at
http://meetings.opendaylight.org/opendaylight-group-policy/2014/usecases/opendaylight-group-policy-usecases.2014-06-23-20.05.log.html
.



Meeting summary
---------------

* LINK:
  https://meetings.webex.com/collabs/#/meetings/detail?uuid=M4NPPO6UULL1B0DFPK2HQ9VZX8-9VIB&rnd=563175.79385
  (dconde, 20:06:05)
* dvorkin sent exceptions list  (alagalah, 20:06:46)
  * Cisco user vs Sales users need different access  (alagalah,
    20:09:31)
  * sanjay says that some users need lower security and some need hi
    security  (alagalah, 20:10:32)
  * sanjay talks about a hierarchy, dvorkin say lets make subjects
    hierarchical, no contracts  (alagalah, 20:12:42)
  * examples are getting more complex, dvorkin says classifiers into
    clauses  (alagalah, 20:15:10)
  * sanjay says single list of rules, but dvorkin says this is what we
    are trying to avoid..... but it complicates more mainstream cases
    (alagalah, 20:16:30)
  * readams proposes that we have a list of actions  (alagalah,
    20:19:56)
  * readams wants to be careful of defining an exponential # of rules.
    (alagalah, 20:25:29)
  * dvorkin says we can make an exception at the clause level
    (alagalah, 20:28:58)
  * LINK:
    https://wiki.opendaylight.org/view/Group_Policy:Sub-Groups:REQUIREMENTS#Documents
    (tbachman, 20:32:27)
  * dvorkinista is going to modify the slides  (alagalah, 20:32:32)
  * dvorkinista is changing the PPT  (alagalah, 20:34:40)
  * dvorkinista is going through this email, changing topic  (alagalah,
    20:50:01)

* Dvorkin's over-ride model  (alagalah, 20:50:19)
  * new model that defines clobber etc for contracts  (alagalah,
    20:51:11)
  * lenrow points out that its more of a stack type structure where you
    pop stuff off  (alagalah, 20:52:18)
  * lenrow points out that AAA system has control over where things get
    added or clobbered  (alagalah, 20:54:01)
  * mickey_spiegel asks question about clobbering QOS  (alagalah,
    20:56:23)
  * dvorkinista goes to get note book with thoughts documented
    (alagalah, 21:02:34)
  * dvorkinista says that exception rules are for planning for the
    unplannned.... but the model should handle normal operations
    (alagalah, 21:04:24)
  * dvorkinista says that normal intent should be maintained until
    exceptions occur with overrides  (alagalah, 21:05:21)
  * lenrow is concerned about the stack of overrides and how they
    resolve  (alagalah, 21:05:49)
  * I think of this as a "parent-override" the tenant is being overruled
    by an ancestor, no?  (lenrow, 21:14:12)
  * unplanned policies can come in any form, says sanjay  (dconde,
    21:31:09)
  * dvorkinista infrastrcture rules that has nothing to do with user
    intent can happen --like DDoS detection or firewall rule  (dconde,
    21:31:46)
  * for data center scenarios , this should be sufficient says
    dvorkinista  (dconde, 21:33:02)
  * lenrow says it's out of scope of GBP (i.e. for simple use case)
    (dconde, 21:33:37)
  * sanjay will work based on it.  (dconde, 21:33:51)
  * ball passed back to lenrow  (dconde, 21:34:07)
  * lenrow seeking volunteers to write up ideas and prsent in future
    meeting. UC use-cases has gone as far as we can without a straw man
    (dconde, 21:34:54)
  * such as on-demand traffic engineering use cases.  (dconde, 21:35:26)
  * we need a volunteer for a one page description  (dconde, 21:35:53)
  * we need more interction with SFC in ODL and SFC in IETF and invite
    them to these meetings  (dconde, 21:36:15)
  * and write a paper on flow rules are written in each format.
    (dconde, 21:36:41)
  * dvorkinista has talk w/ Paul Quinn.  (dconde, 21:36:53)
  * there are OK with GBP specifying high level intent.  (dconde,
    21:37:20)
  * lenrow asks who is north and south?  (dconde, 21:37:32)
  * dvorkinista  says GBP is north of them (SFC)  (dconde, 21:37:41)
  * lenrow what about competing rule writers?  (dconde, 21:38:21)
  * dvorkinista says hes, but wants to defer that.  (dconde, 21:38:35)
  * an awful lot of meeting. let's see in next few days  (dconde,
    21:40:03)



Meeting ended at 21:40:07 UTC.



People present (lines said)
---------------------------

* alagalah (27)
* dconde (23)
* odl_meetbot (7)
* Bhushan_ (3)
* tbachman (2)
* lenrow (1)
* s3wong (1)
* busha (0)
* mickey_spiegel (0)



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