Cloud Gateway Routing with Private-Network Failover
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Solution Overview
Problem
Existing network systems face challenges in efficiently routing cloud data traffic through private networks without requiring complex configurations, leading to resource exhaustion and potential delays due to network failures.
Innovation Solution
Utilizing cloud tags and transport gateway flags to identify and prioritize private networks for cloud data traffic, automatically switching to public networks as backups in case of failures, thereby conserving compute and network resources and minimizing delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex configurations are performed to utilize private networks for cloud data communication, then network performance and reliability are improved, but device complexity and configuration difficulty increase
Solution Approach 1:
The system performs self-service through automated configuration where the network device automatically discovers private networks, establishes connections, and manages routing without requiring complex manual configurations. The device autonomously handles the complexity of private network setup while maintaining reliability benefits.
Solution Approach 2:
A cloud gateway acts as an intermediary between public networks and private networks, simplifying the connection process. The gateway handles the complex configuration and routing logic, allowing branch devices to access private networks through a simplified interface without direct complex configurations.
2Ease of operation
If public networks are used to route cloud data traffic, then ease of operation and lower costs are achieved, but network performance and reliability deteriorate
Solution Approach 1:
The system dynamically selects between public and private networks based on real-time conditions, traffic type, and network status. Branch devices can easily operate with automatic route selection, while the system maintains reliability by preferring private networks for cloud traffic when available, thus achieving both ease of operation and high reliability.
Solution Approach 2:
The network routing is segmented into different paths: public network for general access and private network for cloud-specific traffic. This segmentation allows public networks to remain simple and easy to operate, while private networks provide reliable cloud connectivity for appropriate traffic types without requiring users to manually manage the complexity.
3Productivity
If cloud data traffic is routed through private networks, then network performance is improved, but resource exhaustion and delays occur due to network failures
Solution Approach 1:
The system implements beforehand cushioning by establishing backup public network paths in advance alongside private network connections. When private network failures occur, traffic is already prepared to switch to public networks, preventing resource exhaustion and delays. This proactive redundancy ensures continuous data transmission while maintaining high productivity.
Solution Approach 2:
The system uses feedback mechanisms to continuously monitor private network status and automatically switch to public networks when failures are detected. This real-time feedback ensures that productivity is maintained by preventing traffic blackholing and resource exhaustion, while the automatic failover preserves reliability without requiring manual intervention.
Data Source
AI summary
Techniques are described for routing traffic through an interconnect cloud gateway based on cloud traffic routing indicators. The interconnect cloud gateway can advertise the cloud traffic routing indicators, which can include cloud indicators and transport gateway indicators. The cloud indicators can include cloud tags utilized to route cloud traffic. The transport gateway indicators can include transport gateway flags utilized to identify private networks utilized to route the cloud traffic. The cloud traffic can routed during normal private network operation through private networks, which can be dynamically replaced by public networks due to occurrences of failures preventing the data traffic from being routed through the private networks and to cloud networks.