Kamailio Diameter Integration Exposed the Limits of Reusing SIP Assumptions
Kamailio felt familiar on the SIP side, but Diameter peer state and application routing forced me to treat the second protocol on its own terms.
DRA
freeDiameter Taught Me Why a DRA Is More Than a TCP Proxy
Diameter routing depends on realms, applications and peer capabilities, so a routing agent has to understand more than destination IP addresses.