my $networkinfo = $remoteServer->getNetworkInfo();
my $sysLog = $remoteServer->getSystemLog();
my $scsiInfo = $remoteServer->getScsiInfo();

... anything else that needs doing

## Now you're ready for the network info
my @networkinfo;
if( $networkinfo ) {
    @networkinfo = $networkinfo->();
}
else {
   ## What would you do here?
}