Efficient Planning and Offline Routing Approaches for IP Networks Internet Traffic Engineering for Partially Uncertain Demands Optimizing IP Networks for Uncertain Demands Using Outbound Traffic Constraints Routing Optimization in IP/MPLS Networks under Per-Class Over-Provisioning Constraints An Offline Hybrid IGP/MPLS Traffic Engineering Approach under LSP Constraints Impact of Partial Demand Increase on the Performance of IP Networks and Re-optimization Approaches Optimization of IP Networks in Various Hybrid IGP/MPLS Routing Schemes A Hybrid Genetic Algorithm Approach for OSPF Weight Setting Problem An Alternative Genetic Algorithm to Optimize OSPF Weights