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Use the Service Registry window to configure options for the Service Registry component within the Service Discovery framework. Currently, the SBC uses Domain Name System (DNS) servers for Service Registry. For more information on how the SBC uses a DNS-based Service Discovery framework to determine IP addresses for certain services, refer to Service Discovery for Trap Target Destinations and EMS Registration. 

To View Service Registry Configuration

On the SBC main screen, go to All > System> Service Discovery > Service Registry

The Service Registry window opens showing the current settings for the DNS Service Registry. Currently, DNS is the only supported type of Service Registry. 

Service Registry Window

To Edit Service Registry Configuration

To edit the settings of the Service Registry:

  1. Click the radio button adjacent to the "dns" entry. The Edit Selected Service Registry window opens.

  2. Use the following table to configure the options and then click Save. After you edit these general options, use the subordinate Nameserver and Resolve windows to add name servers and Resolve settings to complete the configuration of the Service Registry.

Service Registry Parameters

ParameterDescription
IDThe name of the Service Registry. Currently the only supported value is "dns."
TransportSpecifies the type of transport to use to send a request to a Service Registry name server. The options are:
  • Fallback –  (default) Use UDP with EDNS0, then UDP, then TCP if a response contains an error such as a truncated response.
  • TCP – Use TCP to contact a name server.
  • UDP – Use UDP to contact a name server. The max message size is 512 bytes.
  • UDP Edns0 – Use UDP with EDNS0 OPT RR to contact a name server. The max message size is 4096 bytes.
AttemptsSpecifies the number of retries before a request to a name server is dropped. Retries are sent using an exponential backoff delay. The range is 1 to 4294967295. The default is 1.
TimeoutSpecifies a timeout, in ms, before a request to a name server times out.  The range is 100 to 4294967295. The default is 500.

You cannot copy or delete the Service Registry configuration.