* > http://community.abiquo.com/display/ABI20/PublicNetworkResource#
* PublicNetworkResource- Checkthetagavailability</a>
* @return Availability state of the tag.
*/
public VlanTagAvailabilityType checkTagAvailability(final int tag) {
VlanTagAvailabilityDto availability = context.getApi().getInfrastructureApi().checkTagAvailability(target, tag);
return availability.getAvailable();
}