CONTENTS

1)���� Scope�
2)���� Clause 2 References��������
3)���� Clause 3 Definitions���������
4)���� Clause 4 Abbreviations����
5)���� Change of figure references����������
6)���� Clause 5����
7)���� Clause 5.1 Call and connection control����
8)���� Clause 5.1.1 Call control�
9)���� New Clause 5.2 Interaction between control, transport and management planes����
10)���� Clause 6.1 Transport entities������
11)���� Clause 6.2 Routing areas�����������
12)���� New clause 6.2.1 Aggregation of links and routing areas
13)���� New clause 6.2.2 Relationship to links and link aggregation��������
14)���� Clause 6.3 Topology and discovery�������
15)���� New clause 6.4 Domains�����������
16)���� New Clause 6.5 Multi-layer aspects������
17)���� New clause 6.6 Interlayer client support�
18)���� Clause 7 control plane architecture���������
19)���� Clause 7.2.1 General model of policy�����
20)���� Clause 7.3 Architectural components�����
21)���� Clause 7.3.1 Connection controller (CC) component�����
22)���� Clause 7.3.2 Routing controller (RC) component�����������
23)���� Clause 7.3.3 Link resource manager (LRMA and LRMZ) component����
24)���� Clause 7.3.3.1 LRMA���
25)���� Clause 7.3.5.1 Calling/called party call controller
26)���� Clause 7.3.5.2 Network call controller���
27)���� Clause 7.3.5.3 Call controller interactions����������
28)���� New Clause 7.3.5.4 Call modification����
29)���� New clauses 7.3.6, 7.3.7 and 7.3.8�������
30)���� Clause 7.5.1 Hierarchical routing�����������
31)���� Clause 7.5.2 Source and step-by-step routing����
32)���� Clause 8 Reference points���������
33)���� Clause 8.1 UNI�
34)���� Clause 8.3 E-NNI���������
35)���� New clause 8.4 User architecture����������
36)���� Clause 9 Network management of control plane entities�
37)���� New clauses 10.1 and 10.2�������
38)���� New clauses 11.1 and 11.2�������
39)���� New clause 12 Resilience����������
40)���� Bibliography���
41)���� New Appendix II Illustrative examples of implementations����������
42)���� New Appendix III Resilience relationships���������
43)���� New Appendix IV Example of layered call control����