IP Address Remapping via Private Tunnel for Network Flexibility
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Solution Overview
Problem
Managing and provisioning physical computing resources in large-scale data centers has become increasingly complex due to the scale and scope of operations, and existing virtualization technologies do not effectively allow customers to remap public IP addresses to endpoints on their own networks, limiting flexibility and resilience in resource allocation.
Innovation Solution
Implementing methods and apparatus for remapping Internet Protocol (IP) addresses within a network environment, enabling customers to associate public IP addresses with endpoints on their external network, and providing virtualization services that allow dynamic remapping of these addresses across different network environments, using IP tunneling technology and network address translation to route traffic efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If virtualization technologies are used to share physical computing resources, then resource efficiency and security are improved, but the ability to remap public IP addresses to external network endpoints is lost
Solution Approach 1:
The patent introduces a virtual network gateway as an intermediary component between the virtualized network and external networks. This gateway enables IP address remapping by translating public IP addresses to external network endpoints while maintaining the virtualized network architecture. The gateway acts as a mediator that preserves both the virtualization benefits and the IP remapping capability.
Solution Approach 2:
The patent implements dynamic IP address remapping where public IP addresses can be dynamically associated with different external network endpoints. This dynamic association allows flexible resource allocation and failover without requiring physical reconfiguration, maintaining adaptability while managing complexity through software-based control.
2Adaptability or versatility
If public IP addresses are statically assigned to resource instances, then network configuration is simplified, but flexibility and resilience during failover or migration are reduced
Solution Approach 1:
The patent transforms static IP assignments to dynamic IP address remapping mechanisms. Public IP addresses are no longer fixed to specific physical resources but can be dynamically remapped to different virtual or physical endpoints based on operational needs, enabling flexible resource allocation while maintaining manageable configuration through automated remapping.
Solution Approach 2:
The patent changes the state of IP address assignment from static to dynamic parameters. The system maintains the ability to remap IP addresses to different endpoints, allowing operational flexibility without requiring complex manual reconfiguration. The parameter change is managed through automated mechanisms that preserve ease of operation while enabling adaptability.
3Extent of automation
If physical computing resources are directly managed, then control is straightforward, but management complexity increases as data center scale increases
Solution Approach 1:
The patent replaces direct physical management with virtualized management mechanisms. Physical computing resources are abstracted into virtual instances that can be managed through software-based control planes. This substitution of mechanical/physical management with virtualized automation reduces management complexity while increasing automation extent, as virtual resources can be provisioned and remapped automatically.
Data Source
AI summary
Methods and apparatus for remapping IP addresses of a network to endpoints within a different network. A provider network may allocate IP addresses and resources to a customer. The provider network may allow the customer to remap an IP address to an endpoint on the customer's network. When a packet is received from a client addressed to the IP address, the provider network may determine that the IP address has been remapped to the endpoint. The provider network may translate the source and destination addresses of the packet and encode the packet for transmission over a private communications channel. The encoded packet may be sent to the endpoint via the private communications channel over an intermediate network. Response traffic may be routed to the client through the provider network, or may be directly routed to the client by the customer network.