16 
Method

Method :
        サービスの要求ヘッダにおいて，サービスの種類を指定


Request-Line
        = Method SP Request-URI SP HTTP-Version CRLF

Method 
        = "OPTIONS" | "GET" | "HEAD" | "POST" | "PUT"
            | "DELETE" | "TRACE"| "CONNECT" | extension-method