�1���
�Scope�
�2��� �References�
�3��� �Terms and definitions�������
������ �3.1��� �Terms defined
elsewhere����
������ �3.2��� �Terms defined in this
Recommendation�������
�4��� �Abbreviations and acronyms��������
�5��� �Conventions�����
�6��� �General architecture���������
������ �6.1��� �Route query as used by
RC federations������
������ �6.2��� �Route query interface���������
������ �6.3��� �Path computation by a
single or multiple RCs����������
������ �6.4��� �Hierarchical
relationship between communicating RCs��������
������ �6.5��� �Discovery of a route
query responder���������
������ �6.6��� �Capability of a route
query responder���������
������ �6.7��� �Route request and
response messages��������
������ �6.8��� �Routing controllers
and their adjacency�������
������ �6.9��� �Communication channels
for route query messages�
�7��� �Requirements����
������ �7.1��� �Architectural
requirements��
������ �7.2��� �Discovery requirements������
������ �7.3��� �Protocol requirements��������
Appendix I � Remote route query examples��� �
������ �I.1��� ��� Step by step remote
route query���
������ �I.2��� ��� Simultaneous remote
route query��
������ �I.3��� ��� Hierarchical remote
route query����
������ �I.4��� ������Hierarchical
source routing using route query interface��� �