



What are the different architectural models for HSS deployment? What is a centralized HSS architecture?
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what is hss in telecom
- What are the restrictions and barring services associated with a subscriber in HSS? What are the different types of barring (e.g., outgoing, incoming, international roaming)?
- How does HSS handle multiple subscriptions for a single user? What is the concept of multi-identity in HSS?
- What are the reliability and latency requirements for HSS in mission-critical scenarios? How does HSS ensure data integrity and consistency for mission-critical services?
- What is the role of the Visited Location Register (VLR) in roaming? What is the Interrogating-HSS (I-HSS) and its function?
- What type of subscriber information does HSS provide to PCRF? What is the Subscriber Profile Repository (SPR) and how does it relate to HSS?
- How can external systems interact with HSS through these APIs? What are the security considerations for exposing HSS APIs?
- What is the Zr interface? What is the Zx interface?
- What is the User Data Repository (UDR) and its relation to HSS? What is the User Data Convergence (UDC) concept and how does HSS fit in?
- How does HSS support Over-The-Top (OTT) service integration? Does HSS provide any direct interfaces to OTT service providers?
- What are the considerations for migrating from a 2G/3G network to a 4G/5G network regarding subscriber data? How is subscriber data mapped between different network technologies?
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