Integer Linear Programming

CAPEX optimized routing for scheduled traffic in multi-layer optical networks
Connection requests for data-intensive applications often require specific start time and end time/duration when they are submitted. …
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Rightsizing Bundle Link Capacities for Energy Savings in the Core Network
Current core networks are composed of high-end routers which are connected by high-speed fibers. These optical connections are commonly …
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SRLG-diverse routing of multiple circuits in a heterogeneous optical transport network
Network planners are often requested to provision multiple physically-diverse high-speed circuits over a large carrier’s core …
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Dedicated path protection for waveband switching in WDM networks (invited paper)
This paper considers the problem of dedicated path-protection in a wavelength-division multiplexing (WDM) mesh network with waveband …
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A scalable approach for survivable virtual topology routing in optical WDM networks
The survivable virtual topology routing problem is to route a virtual topology graph on a optical fiber physical topology such that the …
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Shared risk link Group (SRLG)-diverse path provisioning under hybrid service level agreements in wavelength-routed optical mesh networks
The static provisioning problem in wavelength-routed optical networks has been studied for many years. However, service providers are …
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Survivable traffic grooming in WDM mesh networks under SRLG constraints
Survivable traffic grooming (STG) is a promising approach to provide reliable and resource-efficient multi-granularity connection …
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