Posts

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Understanding AWS - Virtual Private Gateways (VGW)

To provide network connectivity between AWS VPCs and external networks or potentially between VPCs in certain use-cases you must create a Virtual Private Gateway. VPGs can be attached to a VPC or for some advanced architectures can be detached…
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Understanding AWS - Egress Only Internet Gateways (EIGWs)

IPv6 is designed with the goal of being an end-2-end protocol and as such AWS do not support NAT or prefix translation of IPv6 addresses. When you create a resource within a VPC that is IPv6 enabled it is assigned one or more IPv6 address from…
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Understanding AWS - Internet Gateways (IGW)

To provide internet access from a VPC Amazon provide a service called Internet Gateway.  Internet Gateways are Amazon operated and managed and provide a horizontally-scalable, redundant and highly available method of accessing the internet. …
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Understanding AWS - VPC Subnets and IP Addresses

A VPC is a logical entity that spans all availability zones in the region where it was created.  VPCs in turn consist of subnets which are logical segments of a VPC but unlike a VPC a subnet does not span availability zones, one or sore subnets…
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Understanding AWS - Virtual Private Cloud (VPC)

Virtual Private Cloud (VPC) is the networking construct for Elastic Cloud Compute (EC2).  With a VPC you can create a virtual network within AWS.  When creating a VPC you are able to configure certain elements such as routing tables, network…