Windows Azure with HSSO Home Desktop Azure Infastructure Azure Hadoop Cluster User(user) RESTClient User'sTokenCache AzureActiveDirectory(aad) MSSecureGateway HadoopService(eg hdfs) HSSO(hsso) Service'sTokenCache HSSO contains service accounts AAD contains user accounts & groups 1hlogin(hdfs):hsso-token 2store(hsso-token) 3login(user,password):aad-token{groups} Not clear that AAD SSO tokens can contain group info 4hlogin(aad-token):hsso-token 5hlogin(aad-token):hsso-token 6hlogin(aad-token):hsso-token 7verify(aad-token) 8store(hsso-token) 9fs ls dir: files 10load():hsso-token 11ls[hss-token](dir):files 12ls[hsso-token](dir):files 13verify(hsso-token) 14extract(hsso-token):groups
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