Virtual Private Cloud Security Domains for Multi-Cloud Isolation
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Solution Overview
Problem
Existing virtual private cloud networks face heightened security concerns due to increased multi-cloud connectivity, lacking effective security measures and policy-driven segmentation, especially when relying on Amazon Transit Gateway beyond AWS infrastructure.
Innovation Solution
Implementing a multi-cloud computing platform with security domains and connection policies to restrict communications between virtual private cloud networks, using gateways and transit gateways to enforce network isolation and control data traffic flow based on established policies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multi-cloud connectivity is increased to improve system throughput, then network connectivity and accessibility are improved, but security risks and attack surface increase
Solution Approach 1:
The patent implements security domains that segment the multi-cloud network into isolated zones. Each security domain contains specific gateways and virtual private cloud networks, allowing controlled connectivity while preventing unauthorized access between domains. This segmentation resolves the contradiction by enabling system throughput through legitimate multi-cloud connections while containing security risks within isolated domains.
Solution Approach 2:
The patent introduces security domains as intermediary structures between different cloud networks and gateways. These security domains act as mediators that enforce connection policies and control traffic flow, allowing multi-cloud connectivity to function while providing a layer of security control that prevents direct attack vectors between different cloud environments.
2Adaptability or versatility
If reliance on Amazon Transit Gateway is expanded beyond AWS infrastructure to achieve multi-cloud connectivity, then network accessibility is improved, but security control and isolation are weakened
Solution Approach 1:
The patent creates security domains that segment the transit gateway functionality across multiple cloud providers. Instead of relying solely on AWS Transit Gateway, the system establishes separate security domains for different cloud environments, maintaining security control while enabling multi-cloud connectivity. Each security domain independently manages its gateways and connection policies.
Solution Approach 2:
The patent implements local security control within each cloud provider's infrastructure by creating security domains specific to each cloud environment. Each security domain has its own connection policies and gateway configurations tailored to that cloud provider, allowing the system to adapt to different cloud infrastructures while maintaining consistent security standards across all environments.
3Ease of operation
If no policy-driven security segmentation is provided by cloud providers, then operational simplicity is maintained, but security isolation and access control are insufficient
Solution Approach 1:
The patent implements preliminary security segmentation by pre-configuring security domains and connection policies before establishing network connectivity. Administrators can define which gateways and virtual private cloud networks can communicate with each other in advance, creating policy-driven security isolation that prevents unauthorized access while maintaining operational simplicity through automated policy enforcement.
Data Source
AI summary
A computerized method for restricting communications between virtual private cloud networks comprises creating a plurality of security domains. Each of the plurality of security domains identifies gateways associated with one or more virtual private cloud networks. Also, the method features generating transit routing data stores in accordance with each of the plurality of security domains; determining whether a connection policy exists between at least a first security domain and a second security domain of the plurality of security domains; and precluding communications between gateways associated with the first security domain and gateways associated with the second security domain in response to determining that no connection policy exists between the first security domain and the second security domain.