rt specified as part of a service reference to be a wildcard. That is, the service reference IP address can be a netmask indicating the IP address range to be captured. If the label selector of the service reference points to the sidecar service, then all outgoing connections of any application for which this service reference is applied, will be transparently redirected to the sidecar. And of course, the service reference remains valid while sidecar is still coming up and the race is removed.</p><p>Using s