Static Sidecar Bootstrapping for Secure Air-Gapped Data Centers
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Solution Overview
Problem
Conventional bootstrapping operations are challenging over restricted network interfaces in air-gapped data centers, complicating the automated build process and requiring extensive manual efforts, which are time-consuming and error-prone.
Innovation Solution
A cross domain system (CDS) is implemented to manage networking traffic into and out of a target region, using a static sidecar to enforce one-way data transfer and filtering, allowing automated region build while maintaining security posture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional bootstrapping operations are performed over restricted network interfaces in air-gapped data centers, then network security is maintained, but the automated build process becomes challenging and requires extensive manual efforts
Solution Approach 1:
A cross-domain system (CDS) is introduced as an intermediary component that sits between the air-gapped target region and external networks. The CDS includes a static sidecar that receives bootstrapping data from a host region, stores it locally, and distributes it to seed servers within the target region. This intermediary enables automated bootstrapping operations without requiring direct network access to the air-gapped environment, thus maintaining security while enabling automation.
2Reliability
If a cross domain system is implemented to manage networking traffic in air-gapped regions, then security posture is maintained, but device complexity increases
Solution Approach 1:
The cross-domain system is segmented into distinct functional components: a static sidecar node for receiving and storing bootstrapping data, seed servers for distributing data within the target region, and a host region for preparing bootstrapping content. This segmentation allows each component to have a specific, simplified function, reducing the complexity burden on any single element while maintaining overall security through the distributed architecture.
3Reliability
If manual bootstrapping operations are performed in air-gapped data centers, then security is maintained, but build time increases and errors occur
Solution Approach 1:
Bootstrapping data is prepared and validated in advance in a host region before being transferred to the air-gapped target region. The static sidecar receives and stores this pre-prepared data, and seed servers distribute it to appropriate destinations within the target region. This preliminary action enables automated execution of bootstrapping operations, significantly reducing build time and minimizing human errors while maintaining data integrity through controlled transfer processes.
Data Source
AI summary
Techniques are disclosed for bootstrapping a secure data center using a cross domain system with a static sidecar node. The cross domain system can be implemented at the secure data center to provide one-way ingress and egress channels for network traffic to the target data center. The cross domain system is connected to a host data center and can receive configuration data from the host data center to configure the static sidecar node. The static sidecar node can receive bootstrapping data from the host data center and store the bootstrapping data. The bootstrapping data can include software resources for provisioning services in the secure data center. The received bootstrapping data passes into the secure data center via the ingress channel.