Abstract: A method of allocating a protection path in a communication network according to a maximum risk level allowed for affecting both main and protection paths by a single damaging event, is disclosed. The method is directed to ensure that for a required level of protection, derived from a maximum risk level allowed, no segments in the protection path, when taken together with any segment of the main path, presents a risk higher than the maximum risk level allowed.

Abstract: A method of allocating a protection path in a communication network according to a maximum risk level allowed for affecting both main and protection paths by a single damaging event, is disclosed. The method is directed to ensure that for a required level of protection, derived from a maximum risk level allowed, no segments in the protection path, when taken together with any segment of the main path, presents a risk higher than the maximum risk level allowed.

Abstract: A system and a method preferably intended for determining a path between a plurality of network domains in a network according to at least one path attribute. The path attributes are preferably stored in a database, and are used in order to determine a suitable path for data transport between the plurality of network domains. The particular desired outcome for selecting the path depends upon the nature of the path and the type of attributes which are selected for determining the path. Preferably, the system and method are employed for telecommunication networks, for example for connecting telephone exchanges and/or customer data equipment with service providers.