Overlay Network Manager Address Translation and Duplicate Prevention
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Solution Overview
Problem
In overlay network environments, existing technologies face challenges in preventing duplicate address assignments and efficiently managing address translations across shared infrastructure, leading to complexity and performance issues.
Innovation Solution
An overlay network manager is introduced to prevent duplicate address assignments for overlay domains with a first sharing status and perform address translation for those with a second sharing status, utilizing a shared-address space scheme to optimize address management and reduce unnecessary translations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If address translation is performed for all overlay domains to prevent duplicate address assignments, then address assignment reliability is improved, but device complexity and processing overhead increase
Solution Approach 1:
The patent applies local quality by differentiating address management approaches based on domain sharing status. Overlay domains are categorized into shared-address-space domains (requiring address translation and duplicate prevention) and private-address-space domains (allowing duplicate addresses without translation). This selective approach applies address translation only where necessary, reducing overall system complexity while maintaining reliability for shared domains.
Solution Approach 2:
The patent segments address management into distinct categories based on domain sharing characteristics. By dividing overlay domains into those requiring address translation and those that don't, the system avoids applying complex address translation mechanisms to all domains uniformly. This segmentation reduces processing overhead and device complexity while maintaining address assignment reliability for domains that require it.
2Reliability
If address translation is performed for all overlay domains, then duplicate address assignment is prevented, but processing overhead and performance decrease
Solution Approach 1:
The patent implements partial action by applying address translation only to overlay domains with shared address space status, rather than performing translation for all domains. This selective approach prevents duplicate address assignments in shared domains while avoiding unnecessary processing overhead in private domains, thereby improving overall address processing efficiency while maintaining duplicate prevention where required.
Solution Approach 2:
By assigning different address management policies to different domain types (shared vs. private), the system applies address translation locally only where duplicate prevention is necessary. This reduces the total volume of address translation operations, improving processing efficiency while maintaining reliability for shared address space domains.
3Productivity
If address translation is avoided for overlay domains, then processing efficiency is improved, but duplicate address assignment may occur
Solution Approach 1:
The patent resolves this contradiction by applying different quality standards to different domains. Shared-address-space domains receive full address translation and duplicate prevention mechanisms to ensure uniqueness, while private-address-space domains operate with higher efficiency and allow duplicate addresses. This local differentiation maintains reliability where needed while optimizing efficiency where appropriate.
Solution Approach 2:
The system applies address translation partially - only to domains with shared address space status - rather than universally. This partial application of address translation prevents duplicates in shared domains while avoiding the performance penalty of translating all domains, achieving a balance between reliability and efficiency.
4Stability of the object's composition
If address translation is performed universally, then address management consistency is improved, but administrative effort and system complexity increase
Solution Approach 1:
The patent segments address management into shared and private domain categories, each with appropriate management policies. This segmentation maintains consistency within each category while reducing administrative effort overall, as private domains require less management intervention. Administrators can configure domain sharing status to match actual usage patterns, reducing unnecessary administrative overhead.
Solution Approach 2:
By applying different management approaches to different domain types, the system maintains appropriate consistency locally - strict address management for shared domains, flexible management for private domains. This reduces administrative effort by avoiding uniform strict management across all domains while maintaining consistency where it matters most.
Data Source
AI summary
Embodiments of the invention relate to overlay network address management. One embodiment includes an overlay gateway including an overlay network manager associated with a physical network. The overlay network manager prevents duplicate address assignment for overlay domains having a first sharing status and performs address translation for overlay domains having a second sharing status. Address translation is avoided for overlay domains having the first sharing status.