AWS Virtual Private Cloud (VPC) Best Practices

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Isolating Your VPC EnvironmentsVirtual Private Cloud (VPC) Best Practices:












Amazon VPC brings a host of advantages to the table, including static private IP addresses, Elastic Network Interfaces, secure bastion host setup, DHCP options, Advanced Network Access Control, predictable internal IP ranges, VPN connectivity, movement of internal IPs and NICs between instances, heightened security, and more.

 This guide can help you identify few best practices. Here they are:

  • Choosing the Proper VPC Configuration for Your Organization’s Needs:

    It is advisable to design your Amazon VPC implementation based on your expansion requirements looking ahead at least two years. Today, there are various Amazon VPC setup types available, including 
  • Public and Private VPC
  • Public-Facing VPC
  • Amazon VPC – Private Subnets and Hardware VPN Access
  • Amazon VPC – Public and Private Subnets and Hardware VPN Access
  • Software based VPN access – and so on 
  • There is always a chance to create a custom VPC.

  • Choosing a CIDR Block for Your VPC Implementation:

                When designing your Amazon VPC instance, you must consider the number of IP addresses required and the connectivity type with the data center before choosing the CIDR block. The permissible size of the block ranges between /16 netmask and a /28 netmask.

                As of now, you cannot alter or modify Amazon VPC, so it is better to pick the CIDR block that has more IP addresses. While designing your Amazon VPC architecture to communicate with the on-premise data center, it is required that the CIDR range used in Amazon VPC does not overlap or cause a conflict with the CIDR block in the on-premise data center.






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