networking fundamentals: Set up your global network
summary
Covers concrete AWS networking steps and limits: VPC CIDRs must be /16–/28, IPv6 VPCs get /56 and subnets /64, five IPs per subnet are reserved, public IPv4 is NATted at the internet gateway, instance metadata lives at 169.254 and Route 53 resolver at VPC+2. Shows Amazon VPC, AWS Transit Gateway (scales to thousands of VPCs), Amazon VPC IPAM, VPC peering (no overlapping CIDRs), NAT and egress-only IGW, PrivateLink interface endpoints (170+ services), Direct Connect (50 Mb–100 Gb) and Site-to-Site VPN with two tunnels for HA, plus VPC Flow Logs vs Traffic Mirroring and Cloud WAN public preview for global fabrics.
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chapters (20)
- 0:00Introduction and agenda
- 1:07Global infrastructure
- 4:12VPC basics
- 6:09IP addressing
- 11:51IPAM introduction
- 13:29Routing in VPC
- 15:10Instance services
- 16:34Security groups
- 23:04Network ACLs
- 25:20VPC boundary security
- 27:30Internet connectivity
- 31:43VPC peering
- 35:55Transit Gateway
- 40:05Cloud WAN
- 42:05AWS service endpoints
- 46:48PrivateLink
- 48:43Direct Connect
- 52:05VPN options
- 55:24DNS and hybrid resolution
- 59:50Monitoring and closing
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