2.2.6 Subscriber Data Server
The SDS provides a centralized provisioning system for distributed subscriber data repository. The SDS is a highly-scalable database with flexible schema.
Key characteristics of the SDS are as follows:
- Interfaces with provisioning systems to provision subscriber related data.
- Interfaces with DPs at each DSR network element.
- Replicates data to multiple sites.
- Stores and maintains the master copy of the subscriber database.
- Supports bulk import of subscriber data.
- Correlates records belonging to a single subscriber.
- Provides web based GUI for provisioning, configuration, and administration of the data.
- Supports SNMP v2c northbound interface to operations support systems for fault management.
- Provides mechanism to create user groups with various access levels.
- Provides continuous automated audit to maintain integrity of the database.
- Supports backup and restore of the subscriber database.
- Runs on a pair of servers in active / hot standby, and can provide geographic redundancy by deploying two SDS pairs at diverse locations.
- Disaster Recovery site capabilities.