摘要 |
Method of failure detection in an operating system, the method comprising sending a request from a client to a server through a router, storing a token at the router, carrying out the request at the server, and returning a reply from the server to the client through the router, wherein the method comprises the alternative steps of, in response to a failure in the server, generating at the router an error reply based on the token and returning the error reply from the router to the client. |