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Subject: RE: [wsdm] MUWS parts 1 and 2 and MOWS comments
(1) is taken care of by implementing the new wording for metrics that you sent to me (thanks). For (2) my recollection is that while this is not ideal this is what we deiced to do as to not ship a spec referring to an obsolete (by two versions) spec. For (3), I added this sentence to "CalculationInterval": Unlike Duration (which can change every time the metric is updated), the value of CalculationInterval is expected to change rarely as it is to be used for metrics that are updated at regular intervals. For (4), I added clarification in the section on using WS-Notif. Fixed (5). Fixed (6). Fixed (7). Fixed (8). Fixed (9). Thanks. -----Original Message----- From: Fred Maciel [mailto:Fred.Maciel@hds.com] Sent: Monday, November 29, 2004 9:41 PM To: wsdm@lists.oasis-open.org Subject: [wsdm] MUWS parts 1 and 2 and MOWS comments Hi, Here are Hitachi's comments on MUWS and MOWS. (1) There are a few of inconsistencies in the metrics: (1a) The MOWS spec specifies in lines 614-618 which attributes must be reported for each kind of metric, which conflicts with the MUWS spec (part 2, lines 836-849). For instance, for SinceReset metrics, MOWS says that duration MUST NOT be reported and MUWS says that it MUST. I presume that MUWS is the correct one (and where this text should be) and my suggestion is to erase the paragraph in the MOWS spec. (1b) If I recall correctly, Heather said that we can discover the kind of metric (Interval, PointInTime, SinceReset) from ResetAt and Duration, and we decided to clarify it in the spec (again, part 2, lines 836-849). However, it's still not the case now: whether ResetAt must be included or not for Interval and SinceReset is not specified, and Interval and SinceReset can't be differentiated. Suggestion: ResetAt MUST be included in SinceReset metrics, and MUST NOT be included in Interval ones. But... (1c) ... ResetAt in part 2, lines 787-792 is basically saying that ResetAt is included if and only if the metric is resettable. Which means that we cannot say that "ResetAt MUST be included in SinceReset metrics" above for a SinceReset metric that's not resettable. We need to discuss whether to adopt (1b) or (1c) -- I prefer (1b). (2) We are using http://schemas.xmlsoap.org/ws/2004/08/addressing for WS-Addressing, but the June release of WSRF (which we are also using) uses http://schemas.xmlsoap.org/ws/2003/03/addressing. (3) In MUWS part 2 it's not clear the difference between Duration and CalculationInterval. Perhaps Duration is when the values were collected to calculate the metric, and CalculationInterval is the period in which the metric value is updated? (4) Is there a clear definition in MUWS on how to put the WSDM Event Format on a WSN Notification Message? (5) MUWS part 1, lines 468 and 470: these are elements, not attributes. ** Mostly nits below ** (6) Part 2, line 872: instead of "MUST include zero or more", how about "MAY include one or more"? ("MUST include zero" is kinda strange...). (7) Part 2, line 449 and 450: include this sentence in the previous one (it lacks a verb, to begin with). (8) Part 2, line 1042: Refrence -> Reference (9) Part 1, line 744: XX -> 12 Regards, Fred Maciel. To unsubscribe from this mailing list (and be removed from the roster of the OASIS TC), go to http://www.oasis-open.org/apps/org/workgroup/wsdm/members/leave_workgrou p.php.
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