VPC Design & Implementation
Your VPC design determines your security posture, scalability limits, and operational complexity for years. We design VPC architectures that handle growth, multi-environment isolation, and hybrid connectivity — all managed as Terraform code from day one.
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Multi-Account Network Strategy
Production, staging, and development get separate AWS accounts (or GCP projects) with dedicated VPCs. An Organization-level networking account hosts Transit Gateway and shared services. This isolation means a development mishap can't affect production networking. Landing zone patterns (AWS Control Tower, GCP Organization) establish consistent network baselines across all accounts.
CIDR Planning
We plan CIDR allocations across all accounts, regions, and environments — avoiding overlaps that prevent peering. IP address space gets reserved for future growth. RFC 1918 ranges are carved up systematically: 10.0.0.0/8 for cloud, 172.16.0.0/12 for on-prem, with each VPC getting a /16 or /20 based on expected workload density. This planning prevents painful re-IP projects later.
VPC Endpoints & Private Access
Gateway endpoints for S3 and DynamoDB eliminate NAT Gateway data processing charges. Interface endpoints (PrivateLink) provide private access to AWS services (ECR, CloudWatch, STS, KMS) without internet routing. We deploy endpoints for services your workloads actually use — each endpoint costs money, so we don't deploy all 100+. Endpoint policies restrict access to specific resources.
Terraform Implementation
The entire network stack is Terraform-managed: VPCs, subnets, route tables, security groups, NACLs, endpoints, peering connections, and Transit Gateway attachments. Modules encapsulate repeatable patterns (standard VPC with three tiers). State is remote with locking. Changes go through plan review before apply. You get infrastructure that's reproducible, auditable, and doesn't depend on whoever clicked through the console last.
Why Anubiz Engineering
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