This repository contains the release of the Legato SDK. The SDK includes APIs for Service Catalog, Service Order, and Service Inventory functions of the Service Orchestration Functionality (SOF) at the LSO Legato Interface Reference Point (IRP) as defined in the MEF LSO Reference Architecture.
Also included are Service schemas and Performance Monitoring definitions .
High-level release notes
SD-WAN service schemas are revised and updated, together with their guide documents (MEF W100)
Following documents have been published as MEF Standards:
MEF 133 - Allegro, Interlude and Legato Fault Management and Performance Monitoring BR&UC
MEF 136 - Service Function Testing Business Requirements and Use Cases
MEF W128.1 - LSO API Security Profile
MEF W133.1 - Allegro, Interlude and Legato Fault Management and Performance Monitoring BR&UC
It includes API definitions for the following functional areas:
Service Catalog - This includes support for
Service Specification - Retrieve operations only
Not in scope
Service Specifications - Create, Amend/Modify, Delete operations
Service Catalog, Service Category, Service Candidate, Job/Task
Service Ordering - This includes support for
Service Order/OrderItem - Create, Retrieve operations only
Not in scope
Service Order/OrderItem - Amend/Modify/Cancel, Delete operations
Service Inventory - This includes support for
Service - Retrieve operations only
Not in scope
Service - Create, Amend/Modify, Delete operations
In addition to the Service Provisioning APIs, the SDK includes the following MEF Service Specification schemas:
Carrier Ethernet Services
L1 Connectivity Services
The MEF LSO Legato SDK is released under the Apache 2.0 license.
More information about the LSO Legato API reference point and it's roadmap can be found here:
The API files contained in this SDK are evolving and subject to change. They are based on documents that are either work in progress or draft standards that have not yet completed the review cycles and approvals necessary to achieve the status as a MEF standard. MEF is making these publicly available at this time to invite wider industry review.
The maturity per functionality presents as follows:
(*) is used to mark item that changes their maturity comparing to previous release.
APIs and Developer Guides:
Service Catalog API - early draft version, on hold
MEF W99 - LSO Service Ordering Management API - Developer Guide W99 - work in progress - requested LB
MEF W135 - LSO Legato Service Inventory Management API - Developer Guide - work in progress - requested LB
*SD-WAN (MEF W100) - work in progress - CfC#2
Carrier Ethernet (MEF W101) - work in progress - CfC#2
Internet Protocol (MEF W102) - work in progress - CfC#2
LSO Legato Service Provisioning Specification - L1 (MEF W103) - work in progress - CfC#3 - on hold
*MEF 133 - Allegro, Interlude and Legato Fault Management and Performance Monitoring BR&UC - Published Standard
*MEF W133.1 - Allegro, Interlude and Legato Fault Management and Performance Monitoring BR&UC - early draft version
*MEF 136 - Service Function Testing Business Requirements and Use Cases - Published Standard
*MEF W143 - Performance Monitoring Profiles, Jobs, Notifications and Collection API and Developer Guide - work in progress - CfC#1
*MEF W147 - Streaming Management API and Developer Guide - work in progress - CfC#1
Performance Monitoring reports and statistics definitions for Carrier Ethernet adn IP - early draft version
This SDK contains the following items:
COPYRIGHT - Copyright 2023 MEF Forum
LICENSE - Contains a copy of the Apache 2.0 license
README - This file
serviceApi - Definitions of the APIs are found in this directory, provided as yaml files.
serviceSchema - Contains JSON schema (draft 7) files for service specifications.
documentation - documentation including API/Schema developer guides and openapi-tools generated API descriptions in markdown format
supportingStandards - The rest of documents and standards.
staticBinding - No longer provided - please visit LSO Marketplace to use self-blending possibility.
security - A not normative version of the standard APIs including the security profiles as required by MEF 128. Provided for evaluation.
If you are a MEF Member, update your wiki profile with your GitHub account name. Access to the LSO Legato SDK Extensions repository is periodically updated with provided GitHub accounts. Additionally contact the LSO Developer Community Manager to request the immediate access.