Huawei's HarmonyOS IPC Kit provides a foundation for inter-process communication (IPC) between client and server applications. Through asynchronous communication, clients can send requests without waiting for servers to complete processing. Servers then return results via callback functions.

Source: https://dev.to/xun_wang_6384a403f9817c2/harmonyos-ipc-kitjin-jie-ke-hu-duan-yu-fu-wu-duan-de-ji-chu-tong-xin-4nd3