Umesh Racha – Insights https://umeshracha.com/insights Practical notes on ISP and media platforms: TR-069/GenieACS, CAS and OSS/BSS integrations, and high-availability architecture. en iam@umeshracha.com (Umesh Racha) iam@umeshracha.com (Umesh Racha) Mon, 26 Oct 2026 00:00:00 GMT HAProxy + keepalived for RADIUS and billing: the topology that stops 3 a.m. outages https://umeshracha.com/insights/haproxy-keepalived-for-radius-and-billing https://umeshracha.com/insights/haproxy-keepalived-for-radius-and-billing Mon, 26 Oct 2026 00:00:00 GMT RADIUS is UDP, billing is HTTP and the database is a cluster. One pair of front-end nodes running keepalived and HAProxy can keep all three online if you split the roles correctly. The topology, the checks and the failure drills. HAProxy keepalived RADIUS High availability Moving CPE fleets from a vendor ACS to GenieACS without a support storm https://umeshracha.com/insights/moving-cpe-fleets-from-vendor-acs-to-genieacs https://umeshracha.com/insights/moving-cpe-fleets-from-vendor-acs-to-genieacs Mon, 26 Oct 2026 00:00:00 GMT A staged, checklist-driven way to move routers and ONTs from a vendor ACS to GenieACS: inventory, presets per model, batch-wise ACS URL changes, verification gates and a rollback that is just a URL. TR-069 GenieACS CPE Migration Why CAS entitlements drift — and the reconciliation loop that fixes it https://umeshracha.com/insights/why-cas-entitlements-drift-and-the-reconciliation-loop https://umeshracha.com/insights/why-cas-entitlements-drift-and-the-reconciliation-loop Mon, 26 Oct 2026 00:00:00 GMT Entitlement drift between your subscriber management system and the CAS is a retry and reconciliation problem, not a vendor problem. Here is where drift comes from and the loop that keeps Nagra, SafeView or ABV in step with billing. CAS IPTV OSS/BSS Reconciliation