Optical Burst Switching(OBS) OXC: optical cross-connect Packets Core Trunk a group of fibers Network Packet 2 connecting two OXCs Packet 4 Network A trunk Access Network Packet 1 Packet 2 ● Network Packet 3 Packet 4 Netw Packets with the same destination are aggregated at ingress nodes to form bursts A control packet is sent ahead of a burst to reserve wavelength channels along the transmission path hop b pp by hop ) Bursts may be dumped before reaching their destinationsOptical Burst Switching (OBS) OXC: optical cross-connect • Packets with the same destination are aggregated at ingress nodes to form bursts • A control packet is sent ahead of a burst to reserve wavelength channels along the transmission path hop by hop • Bursts may be dumped before reaching their destinations A trunk 5 Trunk: A group of fibers connecting two OXCs