Black Core Network Self-Healing via Red Intermediary
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Solution Overview
Problem
Existing Black Core networks face challenges in fault tolerance, scalability, and network management, particularly in supporting high-bandwidth, multicast traffic, and rapid failover mechanisms, leading to increased latency, vulnerability, and cost due to complex striping techniques.
Innovation Solution
Implementing cooperative signaling mechanisms between the Black Core and Red networks, including triggered Red network topology updates, NSA-approved Black Network to Red Network signaling, and custom event-driven software in network switches and devices, along with features like CT-to-PT Disable and ICMP-DU, to enable self-healing and efficient failover.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If striping techniques are used to achieve fault tolerance in black core networks, then reliability is improved, but device complexity and network cost increase
Solution Approach 1:
The patent introduces a red network as an intermediary layer between plaintext sources and the black core network. This red network handles routing and fault management, allowing the black core to operate simpler while maintaining reliability through the intermediary's routing intelligence and failover capabilities.
Solution Approach 2:
The patent implements feedback mechanisms where the black core network monitors its own health status and automatically triggers failover to standby paths when faults are detected. This closed-loop feedback system maintains reliability without requiring complex proactive management of all possible failure modes.
2Reliability
If striping techniques are used to achieve fault tolerance, then reliability is improved, but latency increases
Solution Approach 1:
The patent pre-establishes multiple routed paths and standby encryption targets before failures occur. When a fault is detected, traffic can immediately switch to pre-configured alternate paths without complex real-time computation, reducing failover latency while maintaining reliability.
3Reliability
If cooperative signaling mechanisms and self-healing features are implemented, then reliability is improved, but device complexity increases
Solution Approach 1:
The patent implements self-service mechanisms where the network automatically detects faults, triggers failover to standby paths, and manages recovery without human intervention. The system monitors its own health and performs self-healing actions, improving reliability while keeping operational complexity manageable through automation.
Data Source
AI summary
In a network having an encryptor device having an encryption module, a plaintext interface and a ciphertext interface, wherein the encryption module encrypts data transferred from the plaintext interface to a black network through the ciphertext interface and decrypts data transferred from the ciphertext interface to a plaintext network through the plaintext interface, wherein the plaintext interface can be connected through the plaintext link to a plaintext network and wherein the ciphertext interface can be connected through a ciphertext link to a black network, a system and method for reflecting a link failure. A link failure is detected at the ciphertext interface and the link failure is reflected to the plaintext interface.