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Large Public Research University
The university's Ellucian Banner ERP system, running on aging on-premises Oracle infrastructure, had become a critical bottleneck. Registration periods saw system response times degrade to over 10 seconds per transaction, causing student frustration, help desk overload, and enrollment processing backlogs that cascaded into financial aid disbursement delays.
The Banner environment included over 15 years of customizations, integrations with more than 40 third-party systems, and complex batch processing workflows for financial aid, student accounts, and academic records. Previous modernization attempts had stalled due to the perceived risk of disrupting these interconnected systems during the academic year.
The university also faced pressure from institutional leadership to reduce IT infrastructure costs while improving the digital experience for students and faculty. The existing Oracle database was running on an unsupported version, creating both security risks and technical limitations that prevented the adoption of newer Banner features.
Tharseo IT designed a phased modernization approach that minimized risk while delivering rapid performance improvements. Phase one focused on migrating the Banner Oracle database to Oracle Exadata Cloud Service on OCI, using Oracle Data Guard for real-time replication that enabled a cutover with zero data loss and minimal maintenance window.
Phase two addressed the application tier, containerizing the Banner application servers using Oracle Kubernetes Engine with auto-scaling policies tuned to handle registration surge periods. We implemented Oracle API Gateway to modernize the integration layer, replacing fragile point-to-point connections with a managed API platform that simplified connectivity with the university's 40+ integrated systems.
Phase three optimized the database layer with Oracle Autonomous Database capabilities, implementing automated indexing, SQL tuning, and workload management. We redesigned the batch processing architecture to leverage parallel execution and OCI's elastic compute, converting overnight batch windows into near-real-time processing. Throughout all phases, we maintained a parallel environment that allowed instant rollback, ensuring zero risk to academic operations.
The modernized Banner environment delivered transformative performance improvements. Registration transaction times dropped from over 10 seconds to under 1 second, a 60% improvement that eliminated student complaints and help desk tickets related to system performance. Batch processing cycles that previously ran for 8 hours overnight now complete in under 90 minutes, enabling same-day financial aid processing.
The university achieved 3x overall system performance with zero data loss during the entire modernization project. The new auto-scaling architecture handled a record 50,000+ concurrent users during fall registration without any performance degradation, compared to the previous system's 5,000-user practical limit.
Annual infrastructure costs decreased by 45%, and the university eliminated the need for two full-time Oracle DBA positions through automated database management, redirecting those resources to strategic IT initiatives. The success of the Banner modernization has become a reference case for the university system's other campuses planning similar upgrades.
50,000+ students, 40+ integrated third-party systems, 6TB Banner database, 15+ years of customizations
Banner environment audit: PeopleTools versions, custom bolt-ons, 40+ integration points, performance baselines
OCI environment provisioning via Cloud Manager: Exadata for database, OKE for application tier, networking and security
Banner Oracle database migration to Exadata Cloud Service with Data Guard real-time replication
Containerization of Banner application servers on OKE, API Gateway for integration layer, batch processing redesign
Load testing with 50,000+ concurrent simulated users, rehearsal cutover, production go-live
4 weeks of 24/7 monitoring, performance tuning, knowledge transfer to university IT staff
On-premises Banner on aging Oracle infrastructure, 10-second registration transactions, 8-hour batch processing, 5,000-user practical limit, 15+ years of custom code debt
OCI Exadata Cloud Service + OKE auto-scaling, sub-1-second transactions, 90-minute batch processing, 50,000+ concurrent user capacity, API Gateway replacing point-to-point integrations
45%
Infrastructure
Elimination of on-premises hardware and data center costs
30%
Staffing
Elimination of 2 Oracle DBA positions through automated database management
15%
Performance
Right-sized compute with auto-scaling eliminating over-provisioning
10%
Licensing
BYOL optimization and education pricing on OCI
“Registration day used to be our most dreaded event. After Tharseo IT modernized our Banner system on OCI, it became a non-event. 50,000 students registering simultaneously without a hiccup is something we never thought possible.”
Vice Provost for Information Technology
Large Public Research University