2 DSR Features and Enhancements

This section provides a high-level overview of DSR features that may impact OAM interfaces and activities.

For a list of all features, refer to DSR Release Notes.

For additional information about various features, refer to the DSR Feature Guide.

Note:

For information about upgrade planning and required procedures before the upgrade, refer to the DSR Software Upgrade Guide.

The Table 2-1 table lists the features and enhancements that are introduced in this release.

Table 2-1 DSR Features and Enhancements

Features / Enhancements	Name	Description	Scope
DSA Low Layer Filtering	NA	The Destination_Host_Destination_Realm_Format check (DhDrFrmChk) counter measure is added, which screens the ingress diameter request message for occurrence of Destination Host and Destination Realm AVPs in an incoming request and answer message. For more information, see Oracle Communications Diameter Security Application User Guide with UDR.	Enhancement
Exception Enhancement	NA	This feature is enhanced to handle more number of scenarios. For more information, see Oracle Communications Diameter Security Application User Guide with UDR.	Enhancement
Dual Image Upgrade (DIU)	NA	This feature allows upgrade from release 8.6.x VM to DSR 9.0.1 VM or above release using Ansible. For more information, see Oracle Communications DSR Cloud Software Upgrade Guide.	Feature