BGP
https://www.infraexpert.com/study/bgpz01.html
https://www.infraexpert.com/study/bgpz01.html
https://knowledge.sakura.ad.jp/24088/
https://www.ns-lab.org/digiloog/2021/05/article_6527/
iBGP,eBGP
https://xtech.nikkei.com/it/article/COLUMN/20070220/262516/
ECMP
https://tech.synapse.jp/entry/2021/08/16/110000
https://y-network.jp/2020/08/31/nsx-t-036/
VPS
https://www.telhi.co.jp/service/infal/isp.html
vultr