Multi-Technology Operations Systems Interface (MTOSI) is an XML-based Operations System (OS)-to-OS interface suite. The Network Management System-to-Element Management System communications is a special case and is defined by the Multi-Technology Network Management (MTNM) standards.
Standardized interfaces between many vendors, technologies, and systems allow service providers to deliver new services and products faster and at lower cost.
MTOSI covers both service and resource level interfaces. At the resource level, MTOSI includes interfaces for inventory, provisioning, fault management, and performance management. At the service level, MTOSI has interfaces for service activation and for service inventory.
MTOSI supports the management of these technologies: SONET/SDH, PDH, DWDM, Ethernet, DSL, ATM, and Frame Relay. Support is planned for T-MPLS, PBB-TE, GPON, and Control Plane management.
MTOSI uses a single interface infrastructure and applies the same patterns across multiple technologies. For example, the same basic termination point and connection models are applied across all connection-oriented technologies ranging from DWDM to ATM. A similar statement can be made about the MTOSI connectionless model.
The resource part of MTOSI is based on MTNM, with some extensions for coarse-grained operations (mainly in the area of inventory management).
The service part of MTOSI is based on the SID service model with the addition of specific operations for service activation and inventory management.
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Business Benefits
- Reduces the OSS “integration tax”, i.e., the cost of integrating and maintaining systems
- Enables service providers (via the production of open management
interfaces) to mix and match OSSs from various suppliers based on
factors such as price, quality, and functionality
- Increases interoperability by increasing the supply of interchangeable components and applications
- Speeds time to market for new services and for supplier products
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