What Is BSS in Telecom? The 7 Systems Behind Every Plan, Signup, and Bill
How a telecom BSS works: CRM, catalog, ordering, charging, billing, mediation, and self-care, plus the TM Forum Open APIs and how AAA usage data is billed.
What Is RADIUS CoA (Change of Authorization) and How Does It Work?
The RADIUS CoA (Change of Authorization) feature enables a RADIUS server to modify an active subscriber session without the necessity of the user reconnecting. The server forwards a CoA-Request to the network access server (NAS) via UDP port 3799 and the NAS responds with either a CoA-ACK or a CoA-NAK. This is as defined by […]
Signaling Storm Protection – Filtering Authentication Noise Before It Costs You
Learn how to detect, filter, and prevent RADIUS and Diameter authentication signaling storms with layered AAA protection, real-time detection, and storm-response strategies.
The Real Cost of One Hour of Authentication Downtime
Learn how to calculate the cost of AAA server downtime for telecom operators, including SLA credits, revenue leakage, churn, accounting loss, and recovery costs.
Why Scalability Matters When Choosing an AAA Server
Learn how AAA server scalability supports subscriber growth, 5G, IoT, and traffic bursts. Explore TPS, session capacity, scaling architecture, and capacity planning.
TACACS+ Port Numbers and Protocol Basics
Learn which port TACACS+ uses, why it runs over TCP/49, how it differs from RADIUS, and what firewall rules to configure for TACACS+ and TLS.
Bandwidth-on-Demand Services: What Your Access Layer Needs to Support Them
Learn how bandwidth-on-demand works with AAA policy control, RADIUS CoA, and convergent charging to deliver and bill real-time broadband speed boosts.
TACACS+ Security Checklist: MFA, Privilege Levels, and Zero Trust in One Place
Use this TACACS+ security checklist to assess MFA, privilege levels, command authorization, zero-trust access, and accounting across network devices.
Connecting AAA to LDAP, HSS and External Identity Stores
Learn how to integrate an AAA server with LDAP and HSS using bind authentication and Diameter SWx, including synchronization, security, failover, and implementation considerations.
Zero Trust for Telecom Networks: Where AAA Fits
Learn how AAA enables Zero Trust in telecom networks through dynamic policy, continuous verification, session reauthorization, and CoA.
