Oliver Borchert - Advanced Network Technologies Division                                                                                                                                                           30
OXC
ONIC
ONIC
OXC
ONIC
ONIC
MPLS
PSC-LSR
ONIC
Segment
class (
OpticalChannelSegment
)
class (OpticalChannel)
MPLS
PSC-LSR
ONIC
The Optical Channel