void addLocallyStoredPathTree(SptTree pathTree) {
   forwardRouteInfo.addSptTree(pathTree);
 }
  void clearAllRAM() {
    if (forwardRouteInfo != null) forwardRouteInfo.clear();
    if (reverseRouteInfo != null) reverseRouteInfo.clear();

    routeStoreManager.clearAllRAM();
  }