Difference between OSS and NSS of GSM architecture

Question

Accepted Answer

OSS and NSS are two components of the GSM architecture that serve different functions.

OSS stands for Operation Support System and is responsible for managing and monitoring the network.
NSS stands for Network and Switching Subsystem and handles the call processing and switching functions.
OSS includes components like Network Management System (NMS) and Element Management System (EMS).
NSS includes components like Mobile Switching Center (MSC), Home Location Register (HLR), and Visitor Location Register (VLR).
OSS focuses on network management, fault management, performance management, and security management.
NSS focuses on call control, mobility management, authentication, and subscriber services.
OSS provides centralized control and management of the network.
NSS provides the core functionality for handling voice and data calls in the GSM network.

Accepted Answer

This page GSM OSS vs BSS describes difference between OSS and BSS subsystems used in GSM. OSS stands for operation and support system and BSS stands for Base Station Subsystem. Refer GSM tutorial covering following sub topics related to GSM technology:

Accepted Answer

OPERATION SYSTEMS

Accepted Answer

oss stand for operation sub sstem

and nss stand for network subsystem

Difference between OSS and NSS of GSM architecture

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