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The survivable logical topology mapping (SLTM) problem in an IP-over-WDM optical network is to map each link (u, v) in the logical topology (at the IP layer) into a lightpath between the nodes u and v in the physical topology (at the optical layer) such that failure of a physical link does not cause the logical topology to become disconnected. It is assumed that both the physical and logical topologies...
This paper deals with the problem of sharing VPN service provider's core topology and link state information with its VPNs. This is provided as a service using topology abstraction principles. The topology abstractions are generated considering factors such as VPN SLA requirements, fairness and maximizing core network utilization. The paper deals with algorithms applicable to generate topology abstraction...
The survivable logical topology mapping problem in an IP-over-WDM optical network is to map each link (u, v) in the logical topology (at the IP layer) into a lightpath between the nodes u and v in the physical topology (at the optical layer) such that failure of a physical link does not cause the logical topology to become disconnected. Kurant and Thiran presented an algorithmic framework called SMART...
Given a logical topology GL and a physical topology G, the survivable logical topology design problem in an IP-over- WDM optical network is to map the logical links into lightpaths in G such that GL remains connected after the failure of any edge in G. In view of its fundamental nature and its practical importance, this problem has received considerable attention in the literature. The SMART algorithmic...
The problem of designing high capacity and high bit rate IP-over-WDM networks, which can provide uninterrupted service in the presence of network equipment failures, continues to attract significant interest from the research community. An IP-over-WDM network implements Internet Protocol (IP) directly over physical WDM network by establishing lightpaths using IP routers, optical crossconnects (OXC)...
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