This object is used to indicate the protection architecture type of the protection group entry. Protection architecture types supported are given below: - 'oneIsToOneBidirectionalWithAps(1)', then the selector bridge will be established at the time of protection switching and its based on global priority logic. APS communication channel is required. - 'onePlusOneBidirectionalWithAps(2)', then the permanent bridge will be established at the source and selector bridge at the sink. Protection switching is based on global priority logic. APS communication channel is required. - 'onePlusOneUnidirectionalWithAps(3)', then the permanent bridge will be established at the source and selector bridge at the sink. Protection switching is based on local priority logic and Far-end requests will not be considered for switching the traffic. APS communication channel is present. - 'onePlusOneUnidirectionalWithoutAps(4)', then protection switching is based on local priority logic only. APS communication channel is not present.