1. Y. Rekhter, S. Hares, T. Li, A Border Gateway Protocol 4 (BGP-4), 2006, (RFC 4271). 10.17487/RFC4271
2. Cisco, Load sharing with BGP in single and multihomed environments, 2019, (http://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/13762-40.html). (Accessed on 01/Aug/2019).
3. Juniper, Understading BGP multipath, 2019, (https://www.juniper.net/documentation/en_US/junos/topics/concept/bgp-multipath-understanding.html). (Accessed on 01/Aug/2019).
4. Engineering egress with edge fabric: Steering oceans of content to the world;Schlinker,2017
5. Taking the edge off with espresso: Scale, reliability and programmability for global internet peering;Yap,2017