code: def comm_all_best_paths(self, global_tables):
          
          LOG.debug('Communicating current best path for all afi/safi except'
                    ' 1/132')
          # We will enqueue best path from all global destination.
          for route_family, table in global_tables.items():
              if route_family == RF_RTC_UC:
                  continue
              if self.is_mbgp_cap_valid(route_family):
                  for dest in table.values():
                      if dest.best_path:
                          self.communicate_path(dest.best_path)
docs: Shares/communicates current best paths with this peers.
  
          Can be used to send initial updates after we have established session
          with `peer`.