Developed an experimental reliability feature for the grpc/grpc-java repository, focusing on secure network communications using Java and gRPC. The work introduced a keepalive mechanism for the ALTS handshaker service channel, allowing periodic pings to maintain connection stability and reduce premature closures. This mechanism is controlled by a toggleable feature flag, enabling safer and more controlled rollouts in production environments. The implementation aligned with repository standards and included thorough documentation to support future maintenance. By enhancing the reliability of ALTS handshake service connections, the contribution addressed a key aspect of network programming and improved the robustness of secure communication channels.