Abstract: A method and system for multicast flow restoration following network failure detection. Specifically, in addressing the aftermath following a network failure, one or more embodiments disclosed herein propose a solution through which failure-impacted network multicast(s) may be identified and, subsequently, restored with or without third-party intervention. To that end, one or more embodiments disclosed herein employ(s) a centralized network controller configured to obtain aggregated network state, including network topology information, through numerous logical agents interspersed across a network. Thereafter, the aggregated network state may be leveraged to ascertain and remedy any network multicast disruptions.

Abstract: A method and system for multicast flow restoration following network failure detection. Specifically, in addressing the aftermath following a network failure, one or more embodiments disclosed herein propose a solution through which failure-impacted network multicast(s) may be identified and, subsequently, restored with or without third-party intervention. To that end, one or more embodiments disclosed herein employ(s) a centralized network controller configured to obtain aggregated network state, including network topology information, through numerous logical agents interspersed across a network. Thereafter, the aggregated network state may be leveraged to ascertain and remedy any network multicast disruptions.

Abstract: This device comprises a chamber (4) with a pinhole, the walls of the chamber acting as shielding (6) that absorbs radiation. The chamber contains means of forming images of the sources, due to radiation, and the area in which the sources are located, due to visible light from this area. A part (36) of the shielding in which the pinhole (32) is located, is free to move and is fixed to an optical system (34) capable of providing sharp images in visible light over the required field depth by replacing the pinhole for the formation of the image of the area, and vice versa for formation of the image of the sources. Application to localizing gamma radiation sources.

Abstract: A counting enclosure (24) for neutron detection has an outer wall and an inner space for receiving an object (26) to be tested, the wall being constituted by a first, inner cadmium coating (32), an inner moderator coating (38), an intermediate cadmium coating (34), an outer moderator coating (40) and an outer cadmium coating (36).