| Phase | Stage | Timeframe | Activity | Impact on Cornell AWS Account VPC Network |
|---|
Preparation
| Data Collection | November 2022 | - Gather information about Direct Connect resources and connected VPCs in Cornell AWS accounts
| none |
| Resource Tagging | December 14, 2022 | - Add tags to existing resources in customer accounts to assist with targeting, identification, status, intended disposition
| none |
| Resource Groups | - Create Transit Gateway in CIT AWS account
- Create Resource Groups for resources involved in the migration in customer accounts
| none |
| Customer Input #1 | December 14, 2022 through January 1, 2023 | - Customer review and feedback
| none |
Migration
| Transit Gateway Attachments | January 3-6, 2023 | - Transit Gateway Attachments created in customer accounts
- V2 Route Tables created in customer accounts
| none |
| Customer Input #2 | January 6-13, 2023 | - Cornell AWS account owner review and feedback
- Route Table and/or TGW Attachments adjusted according to customer input
| none |
| VPC Routing Updated | January 16, 2023 | - V2 Route Tables activated; V1 Route Tables deactivated
| VPC-to-campus traffic will be routed through the v2 architecture |
| Campus Direct Connect Routes Updated | January 18, 2023 | - Campus-side routing updated to begin using the v2 architecture for campus-to-AWS traffic
| campus-to-VPC traffic will be routed through the V2 architecture |
| Cleanup | Customer Account Cleanup | Jan/Feb January 23-31, 2023 | - VGWs and DC VIFs in customer accounts deleted
| none |
| Campus Direct Connect Cleanup | - Campus Direct Connect resources deleted or decommissioned
| none |
