Routable Network Subnet Relocation via Tether Router
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Solution Overview
Problem
Existing network configurations often hinder remote access to necessary services due to firewalls, network address translation, and inadequate infrastructure, preventing seamless communication between networks.
Innovation Solution
A system and method for relocating network subnets by allocating a block of routable addresses and establishing a tunnel between a remote and local network, allowing for secure and continuous connectivity despite changing address parameters, and enabling access to services obscured by firewalls or NAT boxes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a remote location connects to a local network through firewalls or NAT boxes, then physical connectivity is established, but communication is obstructed and services become inaccessible
Solution Approach 1:
The patent introduces an intermediary routing mechanism that operates at the protocol level to mediate between the remote location and local network. This intermediary routing bypasses the obstructing firewalls and NAT boxes by establishing alternative communication paths, allowing services to remain accessible while maintaining physical connectivity through the intervening devices.
2Ease of operation
If network addresses are allocated at a remote location, then local services can be accessed, but address space becomes insufficient for all necessary devices
Solution Approach 1:
The patent segments the network address space by creating a virtual subnet at the remote location that is logically separated from the physical network infrastructure. This segmentation allows the remote location to access services through the allocated address block while the physical network maintains its own address allocation, effectively resolving the address space limitation.
3Productivity
If standard IP routing is used for Internet communication, then basic connectivity is achieved, but seamless access to remote services is prevented
Solution Approach 1:
The patent changes the routing parameters by establishing a dedicated virtual subnet with its own routing tables and address allocation at the remote location. This parameter change enables seamless access to both local and remote services through the virtual subnet, improving communication efficiency while maintaining ease of operation for service access.
Data Source
AI summary
A system and method for relocating a subnet to a remote location includes a tether router coupled to an anchor router via a link. The tether router is coupled to a plurality of nodes, each node corresponding to a network address of a plurality of network addresses allocated to a user. The plurality of network addresses is allocated to the user by a lease broker. The link may include a private tunnel for traversing a mechanism that otherwise hinders communication from the tether router to the anchor router, such as a network address translation (NAT) mechanism.