Standby Directory Service Failover Using Isolated Network Protocols
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Solution Overview
Problem
Existing directory service outages, often caused by malware attacks, data corruption, or administrative mistakes, result in significant business disruptions and high recovery costs due to complex and uncertain recovery processes.
Innovation Solution
Implementing automated methods to create and maintain isolated standby directory services, which can be quickly activated to redirect user access, using a different network protocol than the active directory service, minimizing recovery time and complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional backup and recovery software is used to backup directory servers, then directory service data can be recovered, but the recovery process becomes complex and time-consuming requiring manual orchestration of recovery steps
Solution Approach 1:
The system creates a standby directory service in advance that mirrors the active directory service. This standby service is prepared beforehand with all necessary recovery data and configurations, eliminating the need for complex manual recovery steps when an outage occurs. The standby service is continuously synchronized and ready for immediate failover.
Solution Approach 2:
The invention creates a complete copy of the active directory service as a standby directory service. This copy includes all directory data, configurations, and network settings. The standby copy can be instantly activated to replace the failed active service, avoiding complex recovery procedures.
2Reliability
If traditional backup and recovery software is used, then directory service data can be recovered, but it is unknown if recovery will be successful until the recovery is actually attempted
Solution Approach 1:
The system continuously monitors the standby directory service to verify its operational status and data synchronization. This ongoing feedback mechanism ensures the standby service is always in a recoverable state without requiring actual recovery attempts for verification. The system can detect and alert administrators to any issues with the standby service before they become problems.
Solution Approach 2:
The standby directory service is prepared and validated in advance, with continuous verification of its readiness state. This preliminary preparation and ongoing validation eliminate the uncertainty of recovery success that exists with traditional backup methods.
3Speed
If an isolated standby directory service is created on a different network, then recovery time is minimized, but network configuration complexity increases
Solution Approach 1:
The standby directory service is designed to be universally compatible with the active service, using the same directory service protocols and data formats. This multi-functionality allows the standby service to immediately assume the role of the active service without complex network reconfiguration, despite being isolated on a different network.
Solution Approach 2:
The system uses network abstraction layers and protocol translation mechanisms that allow the standby directory service on a different network to communicate effectively with clients. These intermediaries handle the network differences transparently, enabling rapid failover without requiring complex network configuration changes.
Data Source
AI summary
Various implementations implement a standby directory service. For example, an example process may include obtaining user data associated with an activity of a user via a sensor in a physical environment. The process may further include, at a device including one or more processors, determining that an interruption event has occurred at a host directory service, wherein the device and the host directory service are communicatively coupled via a first network protocol associated with a first network, and in response to determining that the interruption event has occurred at the host directory service, implementing a standby directory service, wherein the standby directory service is generated and updated via a second network protocol that is different than the first network protocol.