Failover Management Service Region Availability
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Solution Overview
Problem
Existing mechanisms for managing network-based failover services are overly complex, increase design work for customers, and lack features that provide visibility and control, leading to unreliable and unpredictable failover operations.
Innovation Solution
A system for managing network-based failover services that coordinates failover workflow design and execution, identifies available failover regions based on custom rules, and implements remediation processes to ensure data integrity and application availability, supporting various use cases including cloud and on-premises setups.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing mechanisms for managing failover services are used, then failover operations can be implemented, but the system becomes overly complex and requires excessive customer design work
Solution Approach 1:
The failover management service automatically identifies available failover regions, characterizes their availability, and implements remediation processes without requiring customer intervention. The system self-manages the complex failover workflow design and execution, reducing customer design work while maintaining reliability.
Solution Approach 2:
A failover management service acts as an intermediary between the primary region and target failover regions. This service coordinates failover workflow design and execution, managing the complexity internally while providing a simplified interface to customers.
2Ease of operation
If existing failover mechanisms are used, then failover operations can occur, but customer interaction during failures increases and control is reduced
Solution Approach 1:
The failover management service provides continuous feedback to customers about the status of failover regions and the progress of remediation processes. This maintains customer visibility and control while the service automatically manages failover operations, reducing required customer interaction.
Solution Approach 2:
The system automatically manages failover workflows and remediation processes without requiring customer intervention during failures. The failover management service handles all operational aspects while keeping customers informed through feedback mechanisms.
3Reliability
If manual failover management is used, then customer control is maintained, but failover operations become unpredictable and unreliable
Solution Approach 1:
The failover management service acts as an automated intermediary that coordinates failover workflows between regions. It implements standardized remediation processes and manages target failover region selection, providing predictable and reliable automated failover operations.
Solution Approach 2:
The system dynamically adjusts failover parameters such as region availability characterization, remediation process selection, and target region identification based on real-time system state. This automated parameter management ensures reliable and predictable failover operations.
Data Source
AI summary
The present disclosure generally relates to managing a failover service. The failover service can receive a list of regions and a list of rules that must be satisfied for a region to be considered available for failover. The failover service can then determine the regions that satisfy each rule of the list of rules and are available for failover. The failover service can then deliver this information to a client. The failover service can determine the regions that do not satisfy one or more of the rules from the list of rules and deliver this information to a client. The failover service can perform automatic remediation to the unavailable failover regions and client remediation to the unavailable failover regions.