VPN

Site-to-site VPN

• Connects a VPC with on-prem subnets
• VGW -> CGW, has HA by default
• Works for 1.25 Gbps
• Costs per each Gb out/in
• Considered as backup of Direct Connect, means, not stable

Accelerated site to site

• 2 IPSec
• Global accleration underneath
• Can be used only if TWG is used

BGP

• AS / ASN
• It is a routing protocol
• BGP vs eBGP

Global Accelerator

• Anycast ip addresses
• Less routers hops to reach AWS Network
• Works with TCP and UDP
• At Network Level (OSI)