Je was op zoek naar: somehow (Engels - Koreaans)

if any packet is somehow lost during communication, tcp will automatically retransmit the packet until the destination host acknowledges that packet.
socket_create() returns a socket resource on success, or false on error. the actual error code can be retrieved by calling socket_last_error(). this error code may be passed to socket_strerror() to get a textual explanation of the error.

when a connection is established and it somehow gets disconnected, kppp will try to reconnect to the same account. see here for more on this topic.
연결되어 있을 때 연결이 끊기게 되면 kppp가 다시 연결을 시도합니다. 여기에서 더 많은 정보를 볼 수 있습니다.