# Advanced Topics

- [Locks](/guides/nso-6.3/administration/advanced-topics/locks.md): Learn about different transaction locks in NSO and their interactions.
- [Compaction](/guides/nso-6.3/administration/advanced-topics/compaction.md): Learn about compaction mechanism in NSO.
- [IPC Ports](/guides/nso-6.3/administration/advanced-topics/ipc-ports.md): Connect client libraries to NSO with IPC Ports.
- [Service Manager Restart](/guides/nso-6.3/administration/advanced-topics/restart-strategies-for-service-manager.md): Restart strategy for the service manager.
- [Security Issues](/guides/nso-6.3/administration/advanced-topics/security-issues.md): Handle tasks that require root privileges.
- [Run NSO as Non-Privileged User](/guides/nso-6.3/administration/advanced-topics/running-nso-as-a-non-privileged-user.md): Run NSO as non-root user.
- [IPv6 on Northbound Interfaces](/guides/nso-6.3/administration/advanced-topics/ipv6-on-northbound-interfaces.md): Learn about using IPv6 on NSO's northbound interfaces.
- [Layered Service Architecture](/guides/nso-6.3/administration/advanced-topics/layered-service-architecture.md): Design large and scalable NSO applications using LSA.