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Amazon Virtual Private Cloud (VPC) is a commercial cloud computing service that provides a virtual private cloud, by provisioning a logically isolated section of Amazon Web Services (AWS) Cloud. [1] Enterprise customers can access the Amazon Elastic Compute Cloud (EC2) over an IPsec based virtual private network .
Amazon Web Services launched Amazon Virtual Private Cloud on 26 August 2009, which allows the Amazon Elastic Compute Cloud service to be connected to legacy infrastructure over an IPsec VPN. [1] [2] In AWS, the basic VPC is free to use, with users being charged by usage for additional features.
AWS launches Virtual Private Cloud (VPC), allowing customers launch EC2 instances into their own logically isolated networks, with the ability to define subnets, routing and access control lists. [33] 2009: October 22: Product (database)
The RIRs, each responsible for a single, large, geographic area, such as Europe or North America, subdivide these blocks and allocate subnets to local Internet registries (LIRs). Similar subdividing may be repeated several times at lower levels of delegation. End-user networks receive subnets sized according to their projected short-term need.
The number of subnets available and the number of possible hosts in a network may be readily calculated. For instance, the 192.168.5.0 / 24 network may be subdivided into the following four / 26 subnets. The highlighted two address bits become part of the network number in this process.
Used for benchmark testing of inter-network communications between two separate subnets [9] 198.51.100.0/24 198.51.100.0–198.51.100.255 256: Documentation
Some large / 8 blocks of IPv4 addresses, the former Class A network blocks, are assigned in whole to single organizations or related groups of organizations, either by the Internet Corporation for Assigned Names and Numbers (ICANN), through the Internet Assigned Numbers Authority (IANA), or a regional Internet registry.
Network address translation between a private network and the Internet. Network address translation (NAT) is a method of mapping an IP address space into another by modifying network address information in the IP header of packets while they are in transit across a traffic routing device. [1]