-- Invoked by C-ES to SNS

desireToCommunicateRequest OPERATION
    ARGUMENT DesireToCommunicateRequestArgument
    RESULT DesireToCommunicateRequestResult
    ERRORS
    {
        accessControlViolated,
        securityError,
        insufficientResources,
        unwillingToPerform,
        genericError
    } ::= 4;

DesireToCommunicateRequestArgument ::= SEQUENCE
    {
        -- Security features
        security					[0]     IMPLICIT SecurityElement OPTIONAL,

        --  List of M-ES's with whom the C-ES wishes to communicate
        subjectNameOrAddress					[1]     NameOrAddress,

        -- Durations of time during which the request is valid
        durationOfInterest	  				[2]     SEQUENCE SIZE (0..ub-durations)
                                          OF Duration, 

        -- The last time at which an attempted communication by the 
        -- C-ES to the M-ES failed 
        failedAttemptTime					   [3]     DateTime,

        -- The type of application (smtp, talk, ...) associated with
        -- failedAttemptTime
        applicationType					     [4]     SEQUENCE SIZE (0..ub-apps)
                                           OF ApplicationTypes,

        -- Notification of availability of M-ES for communication goes to ...
        notificationGoesTo					  [5]     NameOrAddress OPTIONAL,
        
        -- Type of request submitted to SNS by C-ES: invoke or cancel
        requestType					[6]     RequestStatus
    };

DesireToCommunicateRequestResult ::= NULL;

ApplicationTypes ::= SEQUENCE
   {
        portNumber   INTEGER,
        transportId  INTEGER
   };

etcServices SEQUENCE OF ApplicationTypes ::=
   {
        { portNumber  1, transportId 1 },    -- tcpmux
        { portNumber  7, transportId 1 },    -- echo
        { portNumber  7, transportId 2 },    -- echo
        { portNumber  9, transportId 1 },    -- discard
        { portNumber  9, transportId 2 },    -- discard
        { portNumber 11, transportId 1 },    -- systat
        { portNumber 13, transportId 1 },    -- daytime
        { portNumber 13, transportId 2 },    -- daytime
        { portNumber 15, transportId 1 },    -- netstat
        { portNumber 19, transportId 1 },    -- chargen
        { portNumber 19, transportId 2 },    -- chargen
        { portNumber 20, transportId 1 },    -- ftpdata
        { portNumber 21, transportId 1 },    -- ftp
        { portNumber 23, transportId 1 },    -- telnet
        { portNumber 25, transportId 1 },    -- SMTP
        { portNumber 37, transportId 1 },    -- time
        { portNumber 37, transportId 2 },    -- time
        { portNumber 42, transportId 2 },    -- name
        { portNumber 43, transportId 2 },    -- whois
        { portNumber 53, transportId 1 },    -- domain
        { portNumber 53, transportId 2 },    -- domain
        { portNumber 101,transportId 1 },    -- hostname
        { portNumber 111,transportId 1 },    -- sunrpc
        { portNumber 111,transportId 2 }     -- sunrpc
   };