    Sentence o£ ‘Token-issuing framework provides  Copabllities that build on WS-Scueity and define  eatensions to request and Issue security tokens and to  ‘manage trust relationships and secure conversations -    Sentence 2 Within WSE 20 . WS-tust . WS-  SccuzeConversation build on WS-Security and define  extensions to request and Issue security tokens and to  ‘manage relationships and secure conversations -    