1. Multi-VPN Optimization for Scalable Routing via Relaying
2. Cisco. 2019. Cisco VPLS Project. https://www.cisco.com/c/en/us/products/ios-nx-os-software/virtual-private-lan-services-vpls Cisco. 2019. Cisco VPLS Project. https://www.cisco.com/c/en/us/products/ios-nx-os-software/virtual-private-lan-services-vpls
3. On the Scalability of BGP: The Role of Topology Growth
4. Michael R. Garey and David S . Johnson . 1979 . Computers and Intractability: A Guide to the Theory of NP-Completeness. W. H. Freeman & Co. , USA. Michael R. Garey and David S. Johnson. 1979. Computers and Intractability: A Guide to the Theory of NP-Completeness. W. H. Freeman & Co., USA.