ITU-T G.8152 PDF

This Recommendation provides a management-control protocol-neutral information model for managing-controlling network elements (NEs) in the multi-protocol label switching-transport profile (MPLS-TP) transport network as specified in [ITU-T G.8110.1]. It identifies the managed entities required for the management-control of MPLS-TP transport NEs. These entities are relevant to information exchanged across standardized interfaces in the telecommunications management network architecture specified in [ITU-T M.3010]. The management-control protocol-neutral information model should be used as the base for defining management protocol-specific information models, e.g., extensible markup language (web service or Netconf/Yang) information model, common object request broker architecture interface definition language model and simple network management protocol (SNMP) management information base (MIB).

The information model specified in this Recommendation is an augmentation to the generic code model specified in [ITU-T G.7711] for managing MPLS-TP transport resources. The core information model defined in [ITU-T G.7711] can be used as the base for the extension of MPLS-TP-specific information models.

The specific mapping of the management-control protocol-neutral model into management-control-protocol-specific model is the decision of the management-control-protocol-specific solution design. For example, an object class defined in this Recommendation may be mapped into multiple tables in a SNMP MIB. Protocol-specific solutions and their mapping from the protocol-neutral model may be described in other Recommendations and lie outside the scope of this Recommendation.

This Recommendation applies to MPLS-TP transport NEs and those systems that manage/control them. The management-control system could be a network management system, element management system, software-defined network controller or their hybrids. [ITU-T G.7701] specifies the management-control continuum concept whereby management and control functions are considered to be a continuum. Those systems are thus referred to as management-control systems (MCSs) in general in this Recommendation. Functional capabilities of MPLS-TP transport equipment are specified in [ITU-T G.8121], [ITU-T G.8121.1], [ITU-T G.8121.2] and requirements of the management of MPLS-TP transport equipment are provided in [ITU-T G.7710] and [ITU-T G.8151]. The information model specified in this Recommendation applies to the management-control interface specifically for managing-controlling the MPLS-TP functional capabilities of the NE.

The object classes specified in this Recommendation cover the areas of fault management, configuration management, and performance management.

There are several different perspectives from which management information (MI) may be specified for management purposes. The NE viewpoint is concerned with the information that is required to manage an NE. This refers to information required to manage the function and physical aspects of the NE. This Recommendation addresses only the NE view of Ethernet transport network management.

The management-control-protocol-neutral information model specified in this Recommendation consists of a set of transport-technology-specific managed object classes, i.e., MPLS-TP-specific managed object classes. These MPLS-TP-specific managed object classes are inherited from the generic managed object classes specified in other ITU-T Recommendation such as [ITU-T G.7711] and [ITU-T M.3160], including managed element, TP, and its subclasses, subnetwork and subnetwork connection. Because of object class inheritance, the MPLS-TP MI model also inherits the generic object management capabilities, such as object creation/deletion, notification of object creation/deletion, attribute value retrieval/modification, notification of attribute/state value change, scoped and filtered retrieval of object instances, and abortion of outstanding operations. The description of these generic object management capabilities is provided in other ITU-T Recommendations, such as the ITU-T M.3700 series, and therefore lies outside the scope of this Recommendation.

The object classes specified in this Recommendation cover the areas of fault management, configuration management, and performance management.

This Recommendation provides a representation of the MPLS-TP technology using the methodologies that have been used for other transport technologies (e.g., synchronous digital hierarchy, optical transport network and Ethernet).