Resource sharing and attachment approval bound which accounts can join centralized connectivity; routing decisions still belong to network policy; that addresses governed membership for a multi-account hub, rather than policy-governed multi-Regional WAN segmentation.

TGW peering joins two regional transit hubs using AWS infrastructure, though routes through the peering remain explicitly configured; this belongs to managed peering between regional transit gateways, while the problem is policy-governed multi-Regional WAN segmentation.

Inter-Region VPC peering permits private IP communication between supported VPC pairs but does not add routes automatically; this changes direct inter-Regional private VPC connectivity, not the necessary policy-governed multi-Regional WAN segmentation.

A transit gateway consolidates attachments into a regional routing hub and separates traffic domains using association and propagation policies; that addresses scalable hub-and-spoke multi-VPC routing, rather than constrained DNS service connectivity without full-mesh routes.

An interface endpoint places consumer-owned ENIs in selected subnets and connects only to the published service; this changes application-specific private access across account boundaries, not the necessary constrained DNS service connectivity without full-mesh routes.

In the route-table-based S3 private service access workflow, gateway endpoints provide private S3 routes within a VPC using an endpoint target rather than NAT and per-hour interface endpoint ENIs; the current case needs constrained DNS service connectivity without full-mesh routes.

VPC subnet routes deliver packets to the transit gateway, which independently needs an eligible route to the next attachment; that addresses second-stage forwarding inside a transit gateway, rather than resolving address overlap before VPC peering.

Inter-Region VPC peering permits private IP communication between supported VPC pairs but does not add routes automatically; this changes direct inter-Regional private VPC connectivity, not the necessary resolving address overlap before VPC peering.

In the private application access without overlapping-CIDR routing workflow, privateLink exposes service endpoints using consumer VPC addresses without demanding broad routability between overlapping VPC CIDR ranges; the current case needs resolving address overlap before VPC peering.

Route-table association selects an attachment's forwarding domain and controls which other attachments it can reach; that addresses network segmentation by transit attachment routing domains, rather than second-stage forwarding inside a transit gateway.

Controlled transit routing can force spoke-to-spoke paths via shared inspection appliances instead of permitting direct spoke propagation; this changes centralized inspection of inter-VPC traffic, not the necessary second-stage forwarding inside a transit gateway.

In the managed peering between regional transit gateways workflow, TGW peering joins two regional transit hubs using AWS infrastructure, though routes through the peering remain explicitly configured; the current case needs second-stage forwarding inside a transit gateway.

VPC subnet routes deliver packets to the transit gateway, which independently needs an eligible route to the next attachment; this belongs to second-stage forwarding inside a transit gateway, while the problem is centralized inspection of inter-VPC traffic.

Route-table association selects an attachment's forwarding domain and controls which other attachments it can reach; this changes network segmentation by transit attachment routing domains, not the necessary centralized inspection of inter-VPC traffic.

In the scalable hub-and-spoke multi-VPC routing workflow, A transit gateway consolidates attachments into a regional routing hub and separates traffic domains using association and propagation policies; the current case needs centralized inspection of inter-VPC traffic.

This produces route-controlled transparent network-appliance service insertion: Gateway Load Balancer endpoints insert packet-processing services into route tables using PrivateLink constructs for appliance traffic; the stem instead tests centralized inspection of inter-VPC traffic.

VPC sharing separates subnet ownership from resource ownership and lets participant accounts place supported resources into shared subnets; that addresses centralized subnet ownership across workload accounts, rather than preserving networking ownership in shared VPCs.

Gateway endpoints provide private S3 routes within a VPC using an endpoint target rather than NAT and per-hour interface endpoint ENIs; this changes route-table-based S3 private service access, not the necessary preserving networking ownership in shared VPCs.

In the second-stage forwarding inside a transit gateway workflow, VPC subnet routes deliver packets to the transit gateway, which independently needs an eligible route to the next attachment; the current case needs preserving networking ownership in shared VPCs.

Gateway Load Balancer endpoints insert packet-processing services into route tables using PrivateLink constructs for appliance traffic; that addresses route-controlled transparent network-appliance service insertion, rather than consumer authorization for published endpoint services.

An interface endpoint places consumer-owned ENIs in selected subnets and connects only to the published service; this belongs to application-specific private access across account boundaries, while the problem is consumer authorization for published endpoint services.

Resource sharing and attachment approval bound which accounts can join centralized connectivity; routing decisions still belong to network policy; this changes governed membership for a multi-account hub, not the necessary consumer authorization for published endpoint services.

This produces network segmentation by transit attachment routing domains: Route-table association selects an attachment's forwarding domain and controls which other attachments it can reach; the stem instead tests consumer authorization for published endpoint services.

For private service consumption across identical addressing realms, consumer endpoints provide local private IP destinations, avoiding ambiguous full-network route advertisements to the overlapping provider; however, the present requirement is consumer authorization for published endpoint services.

Controlled transit routing can force spoke-to-spoke paths via shared inspection appliances instead of permitting direct spoke propagation; this belongs to centralized inspection of inter-VPC traffic, while the problem is route-controlled transparent network-appliance service insertion.

PrivateLink provider settings regulate which principals may request endpoints and whether the provider must accept connections; this changes consumer authorization for published endpoint services, not the necessary route-controlled transparent network-appliance service insertion.

In the application-specific private access across account boundaries workflow, an interface endpoint places consumer-owned ENIs in selected subnets and connects only to the published service; the current case needs route-controlled transparent network-appliance service insertion.

Inter-Region VPC peering permits private IP communication between supported VPC pairs but does not add routes automatically; that addresses direct inter-Regional private VPC connectivity, rather than managed peering between regional transit gateways.

Route-table association selects an attachment's forwarding domain and controls which other attachments it can reach; this belongs to network segmentation by transit attachment routing domains, while the problem is managed peering between regional transit gateways.

In the second-stage forwarding inside a transit gateway workflow, VPC subnet routes deliver packets to the transit gateway, which independently needs an eligible route to the next attachment; the current case needs managed peering between regional transit gateways.

An interface endpoint places consumer-owned ENIs in selected subnets and connects only to the published service; that addresses application-specific private access across account boundaries, rather than cross-account transit sharing and TGW routing segmentation.

VPC peering provides direct private connectivity between a pair of VPCs without traversing a transit gateway or using transitive forwarding; this changes simple pairwise VPC connectivity without a central router, not the necessary cross-account transit sharing and TGW routing segmentation.

In the route-table-based S3 private service access workflow, gateway endpoints provide private S3 routes within a VPC using an endpoint target rather than NAT and per-hour interface endpoint ENIs; the current case needs cross-account transit sharing and TGW routing segmentation.

PrivateLink exposes service endpoints using consumer VPC addresses without demanding broad routability between overlapping VPC CIDR ranges; that addresses private application access without overlapping-CIDR routing, rather than private service consumption across identical addressing realms.

Gateway endpoints provide private S3 routes within a VPC using an endpoint target rather than NAT and per-hour interface endpoint ENIs; this belongs to route-table-based S3 private service access, while the problem is private service consumption across identical addressing realms.

In the application-specific private access across account boundaries workflow, an interface endpoint places consumer-owned ENIs in selected subnets and connects only to the published service; the current case needs private service consumption across identical addressing realms.

This produces governed membership for a multi-account hub: Resource sharing and attachment approval bound which accounts can join centralized connectivity; routing decisions still belong to network policy; the stem instead tests private service consumption across identical addressing realms.