Oracle Net Services provides a scalable, secure, and easy-to-use high-availability network infrastructure for Oracle environment. It eases the complexities of network configuration and management, maximizes performance, and improves network security and diagnostic capabilities as summarized hereafter.
Connectivity: Listener supports multiple redirects, Sharding and Data Dependent Routing, SCAN HTTP Listener, ExaDirect SQL*Net Adapter, Direct SQL*Net Access Over Oracle Cloud.
Security: Service-Level ACLs for TCP Protocol, Enhanced Security for Password Verifiers, additional Encryption Algorithms.
Security: Read-only Oracle Home, new sqlnet.ora security parameters, Keystore for Each Pluggable Database, Integration of Active Directory users and groups with Oracle database users and roles, Oracle Connection Manager Traffic Director Mode.