Page 296 - Big data - Concept and application for telecommunications
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5                                Big data - Concept and application for telecommunications



            4       Abbreviations and acronyms

            This Recommendation uses the following abbreviations and acronyms:
            ACI            Application Control Interface
            AL             Application Layer
            ALM            Application Layer Management

            AL-MSO         Application Layer Management Support and Orchestration
            BSS            Business Support System
            CL             Control Layer
            CL-AS          Control Layer Application Support
            CL-MSO         Control Layer Management Support and Orchestration

            CL-RA          Control Layer Resource Abstraction
            CLM            Control Layer Management
            DevOps         Development Operations
            ERM            External Relationship Management
            FCAPS          Fault, Configuration, Accounting, Performance and Security
            KPI            Key Performance Indicator

            MMF            Multi-layer Management Functions
            MMFA           Multi-layer Management Functions Application layer
            MMFC           Multi-layer Management Functions Control layer
            MMFO           Multi-layer Management Functions OSS/BSS
            MMFR           Multi-layer Management Functions Resource layer

            MMO            Multi-Layer Management Orchestration
            OSS            Operations Support System
            RCI            Resource Control Interfaces
            RL             Resource Layer
            RL-CS          Resource Layer Control Support
            RL-DP          Resource Layer Data Processing

            RL-DT          Resource Layer Data Transport
            RL-MS          Resource Layer Management Support
            RLM            Resource Layer Management
            SDN            Software-Defined Networking
            SDN-AL         SDN Application Layer

            SDN-CL         SDN Control Layer
            SDN-RL         SDN Resource Layer


            5       Conventions
            None.


            6       Introduction

            As described in [ITU-T Y.3300], key properties of SDN include:
            1)      logically centralized network control which allows for controlling and managing network resources
                    by software;


            288      Network and infrastructure
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