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Merge pull request #297589 from anaharris-ms/reliability-normal-ops-section
Reliability: Template Update for Content - Normal Operations section
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articles/reliability/reliability-bastion.md

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ms.topic: reliability-article
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ms.custom: subject-reliability, references_regions
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ms.service: azure-bastion
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ms.date: 11/21/2024
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ms.date: 04/04/2025
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**Migration:** It's not possible to change the availability zone configuration of an existing Azure Bastion resource. Instead, you need to create an Azure Bastion resource with the new configuration and delete the old one.
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### Traffic routing between zones
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### Normal operations
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When you initiate an SSH or RDP session, it can be routed to an Azure Bastion instance in any of the availability zones you selected.
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This section describes what to expect when Bastion resources are configured for zone redundancy and all availability zones are operational.
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**Traffic routing between zones:** When you initiate an SSH or RDP session, it can be routed to an Azure Bastion instance in any of the availability zones you selected.
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If you configure zone redundancy on Azure Bastion, a session might be sent to an Azure Bastion instance in an availability zone that's different from the virtual machine you're connecting to. In the following diagram, a request from the user is sent to an Azure Bastion instance in zone 2, although the virtual machine is in zone 1:
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### Zone-down experience
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**Detection and response:** When you use zone redundancy, Azure Bastion detects and responds to failures in an availability zone. You don't need to do anything to initiate an availability zone failover.
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- **Detection and response:** When you use zone redundancy, Azure Bastion detects and responds to failures in an availability zone. You don't need to do anything to initiate an availability zone failover.
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**Active requests:** When an availability zone is unavailable, any RDP or SSH connections in progress that use an Azure Bastion instance in the faulty availability zone are terminated and need to be retried.
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- **Active requests:** When an availability zone is unavailable, any RDP or SSH connections in progress that use an Azure Bastion instance in the faulty availability zone are terminated and need to be retried.
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If the virtual machine you're connecting to isn't in the affected availability zone, the virtual machine continues to be accessible. See [Reliability in virtual machines: Zone down experience](./reliability-virtual-machines.md#zone-down-experience) for more information on the VM zone down experience.
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**Traffic rerouting:** When you use zone redundancy, new connections use Azure Bastion instances in the surviving availability zones. Overall, Azure Bastion remains operational.
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- **Traffic rerouting:** When you use zone redundancy, new connections use Azure Bastion instances in the surviving availability zones. Overall, Azure Bastion remains operational.
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### Failback
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articles/reliability/reliability-data-factory.md

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ms.topic: reliability-article
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ms.custom: subject-reliability, references_regions
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ms.service: azure-data-factory
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ms.date: 03/19/2025
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ms.date: 04/04/2025
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#Customer intent: As an engineer responsible for business continuity, I want to understand how Azure Data Factory works from a reliability perspective and plan disaster recovery strategies in alignment with the exact processes that Azure services follow in different situations.
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- *Azure-SSIS integration runtime* requires you to explicitly configure the number of nodes that you use. To prepare for availability zone failure, consider *over-provisioning* the capacity of your integration runtime. Over-provisioning allows the solution to tolerate some degree of capacity loss and still continue to function without degraded performance. To learn more about over-provisioning, see [Manage capacity with over-provisioning](./concept-redundancy-replication-backup.md#manage-capacity-with-over-provisioning).
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- *Self-hosted integration runtime* requires you to configure your own capacity and scaling. Consider over-provisioning when you deploy a self-hosted integration runtime.
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### Traffic routing between zones
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### Normal operations
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During normal operations, Azure Data Factory automatically distributes pipeline activities, triggers, and other work among healthy instances in each availability zone.
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This section describes what to expect when Azure Data Factory resources are configured for zone redundancy and all availability zones are operational.
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**Traffic routing between zones:** During normal operations, Azure Data Factory automatically distributes pipeline activities, triggers, and other work among healthy instances in each availability zone.
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### Zone-down experience
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**Detection and response.** The Azure Data Factory platform is responsible for detecting a failure in an availability zone and responding. You don't need to do anything to initiate a zone failover in your pipelines or other components.
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- **Detection and response.** The Azure Data Factory platform is responsible for detecting a failure in an availability zone and responding. You don't need to do anything to initiate a zone failover in your pipelines or other components.
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**Active requests.** Any pipelines and triggers in progress continue to execute, and you won't notice a zone failure. However, activities in progress during a zone failure might fail and be restarted. It's important to design activities to be idempotent, which helps them to recover from zone failures as well as other faults. For more information, see [Transient faults](#transient-faults).
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- **Active requests.** Any pipelines and triggers in progress continue to execute, and you won't notice a zone failure. However, activities in progress during a zone failure might fail and be restarted. It's important to design activities to be idempotent, which helps them to recover from zone failures as well as other faults. For more information, see [Transient faults](#transient-faults).
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### Failback
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articles/reliability/reliability-logic-apps.md

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ms.custom: subject-reliability
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services: logic-apps
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ms.service: azure-logic-apps
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ms.date: 01/06/2025
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ms.date: 04/04/2025
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zone_pivot_groups: logic-app-hosting-types
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#Customer intent: As an engineer responsible for business continuity, I want to understand how Azure Logic Apps works from a reliability perspective and plan disaster recovery strategies in alignment with the exact processes that Azure services follow in different situations.
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::: zone-end
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### Traffic routing between zones
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### Normal operations
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This section describes what to expect when Azure Logic Apps resources are configured for zone redundancy and all availability zones are operational.
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::: zone pivot="consumption"
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During normal operations, workflow invocations can use compute resources in any of the availability zones within the region.
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**Traffic routing between zones:** During normal operations, workflow invocations can use compute resources in any of the availability zones within the region.
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::: zone-end
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::: zone pivot="standard-workflow-service-plan,standard-app-service-environment"
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During normal operations, workflow invocations are spread among all your available plan instances across all availability zones.
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**Traffic routing between zones:** During normal operations, workflow invocations are spread among all your available plan instances across all availability zones.
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::: zone-end
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### Zone-down experience
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**Detection and response:** The Azure Logic Apps platform is responsible for detecting a failure in an availability zone. You don't need to do anything to initiate a zone failover.
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- **Detection and response:** The Azure Logic Apps platform is responsible for detecting a failure in an availability zone. You don't need to do anything to initiate a zone failover.
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**Active requests:** If an availability zone becomes unavailable, any in-progress workflow executions that run on a VM in the faulty availability zone are terminated. The Azure Logic Apps platform automatically resumes the workflow on another VM in a different availability zone. Due to this behavior, active workflows might experience some [transient faults](#transient-faults) or higher latency as new VMs are added to the remaining availability zones.
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- **Active requests:** If an availability zone becomes unavailable, any in-progress workflow executions that run on a VM in the faulty availability zone are terminated. The Azure Logic Apps platform automatically resumes the workflow on another VM in a different availability zone. Due to this behavior, active workflows might experience some [transient faults](#transient-faults) or higher latency as new VMs are added to the remaining availability zones.
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### Failback
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