reference

• getAllBackbones
  Retrieve a list of all SoftLayer backbone connections. Use this method if you need all backbones or don't know the id number of a specific backbone.
• getBackbonesForLocationName
  Retrieve a list of all SoftLayer backbone connections for a location name.
• getHealth
  A backbone's status.
• getLocation
  Which of the SoftLayer datacenters a backbone is connected to.
• getNetworkComponent
  A backbone's primary network component.
• getObject
  Retrieve an individual SoftLayer_Network_Backbone record. Use the getAllBackbones() method to retrieve a list of all SoftLayer network backbones.
• SoftLayer_Network_Backbone
  A SoftLayer_Network_Backbone represents a single backbone connection from SoftLayer to the public Internet, from the Internet to the SoftLayer private network, or a link that connects the private networks between SoftLayer's datacenters. The SoftLayer_Network_Backbone data type is a collection of data associated with one of those connections.
• SoftLayer_Network_Backbone
  A SoftLayer_Network_Backbone represents a single backbone connection from SoftLayer to the public Internet, from the Internet to the SoftLayer private network, or a link that connects the private networks between SoftLayer's datacenters. The SoftLayer_Network_Backbone service is unique in that it is not referenced by any of the other SoftLayer API services.