Table of Contents

�1���� Scope����������
2���� References
3���� Definitions
������� 3.1���� Terms defined elsewhere�������
������� 3.2���� Terms defined in this Recommendation�����������
4���� Abbreviations and acronyms�������������
5���� Conventions������������
6���� System model���������
������� 6.1� ���Scenarios considered
������� 6.2���� Elements that should be considered��
������� 6.3���� Communication between applications on the devices
������� 6.4���� Scenario 2: Communications across resident applications in the devices������������
7���� Requirements���������
�� �����7.1���� General requirements�������������
������� 7.2���� Required functions for integration initiated by broadcast services on STB or TV set�������
������� 7.3���� Required functions for integration initiated by mobile devices
������� 7.4���� Required functions for the use of the network outside the home network��������
Appendix I � Application cases and possible technologies����
Appendix II � Technologies currently used for second screen services����
������ II.1���� Automatic content recognition based on main content
�� ����II.2���� Manual content recognition process using social TV or TV companion applications���������
������ II.3���� Unsolved questions on current second screen solutions�������������
������ II.4���� A second screen solution based on an open standard based on [b-ITU-T J.202] (such as Ginga)����
Bibliography����