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[CCAMP] draft-ietf-ccamp-alarm-module-01, Missing Alarm Attributes

Marta Seda <Marta.Seda@calix.com> Thu, 28 June 2018 00:01 UTC

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From: Marta Seda <Marta.Seda@calix.com>
To: "ccamp@ietf.org" <ccamp@ietf.org>
Thread-Topic: [CCAMP] draft-ietf-ccamp-alarm-module-01, Missing Alarm Attributes
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Date: Thu, 28 Jun 2018 00:01:49 +0000
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Subject: [CCAMP] draft-ietf-ccamp-alarm-module-01, Missing Alarm Attributes
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Hi Stefan,
Thank you for the updated draft v-(01) CCAMP Alarm Module.  This draft is missing alarm attributes.  I have attached an excel spreadsheet to illustrate the question.  The attachment contains two tables:

  *   Alarm-fields for alarm inventory
  *   Alarm-fields for alarm instances

Both tables compare the list of supported CCAMP alarm attributes for different "specialized" alarm types (e.g., sensor alarms, E.720-like grade of service alarms (alarms risen under certain traffic conditions), security alarms and MEF 35.1 Stateful Events Alarms).

For each attribute, traceability to which standards discusses these attributes is included in the attachment.

If one examines the differences, the following alarm attributes are not included in the CCAMP alarm module:

  *   Service-effect (GR-833 defines alarm attribute - only included this in case vendors need to support this alarm attribute for legacy reasons)
  *   Threshold information (x.733, 3GPP TS 32.111-2 , M.3100)
  *   Monitored attributes (x.733, 3GPP TS 32.111-2 , M.3100)
  *   Proposed repair actions (x.733, 3GPP TS 32.111-2 , M.3100)
  *   Tca-type (MEF35.1 specific attribute)
  *   Security alarm detector (x.736, 3GPP TS 32.111-2)
  *   Security alarm cause (x.736, 3GPP TS 32.111-2)
  *   Service user (x.736, 3GPP TS 32.111-2)
  *   Service provider (x.736, 3GPP TS 32.111-2)
  *   Additional information (3GPP TS 32.111-2, X.736, X.733)

For the X.733 traceable alarm attributes, these attributes are considered "optional" in nature.  On the other hand, X.736 considers the security attributes (starting with "security-x") as mandatory.

Discussion:
a) Is there any particular reason for the omission of these attributes?
b) Are there any plans to support any of these attributes in the CCAMP Alarm module in the future?  Or do you view these attributes as outside of the IETF CCAMP scope (and therefore if someone needs these particular attributes they can augment the IETF CCAMP YANG?  I am attempting to understand the boundaries of what CCAMP intends to cover.

Best Regards,

Marta Seda

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