way to set up an optical path through an agile optical network quickly is to use signaling in conjunction with a dynamic routing scheme the dynamic routing scheme is used to collect information on network topology and resources pass states around and compute the optimal paths from one node to the others signaling is used to setup maintain modify and tear down these optimal paths optical mpls enabled network 110 consists of optical label switching routers olsr 112 and point to point links 114 the olsrs are interconnected by links 114 in a mesh topology there are two types of interfaces in this network optical node to node interface onni between two olsrs 112 and optical user network interface ouni between a service network node 102 and olsrs 112 a signaling protocol using parameters defined herein may serve as part of both onni and ouni an agile mpls enabled optical network is an optical network with fast optical label switched path olsp setup and restoration in this network the control component of an olsr consists of a routing protocol ospf or is is for example and a signaling protocol cr ldp or rsvp te for example all control information can be exchanged through dedicated control channels or independent signaling networks there are two types of links service transparent st links.