Category: Operational decisions
Client certificates – Comparing Application Components
You can configure the Azure API gateway so that it requires a certificate when making calls. Whereas subscription keys are generated by you and can be quickly supplied, certificates provide greater security. However, the certificate must be generated by a certificate authority and securely provided to your consumers. But when security and control are of …
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Using API policies – Comparing Application Components
Azure API Management policies allow you to change how your APIs function and behave. Typical examples include rate-limiting responses, converting one format to another, such as XML to JSON, or even modifying the contents of the data returned. Azure API Management offers a range of built-in policies, or you can create custom ones. The following …
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Managing APIs with Azure API Gateway – Comparing Application Components
When building cloud solutions and web applications, it is common to use APIs – specific types of apps that only return data in JSON or XML. This data is then used by a consuming application, a desktop application, a mobile application, or even a website. APIs can be used internally or to expose your data …
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Using deployment slots – Comparing Application Components
A powerful feature of app services in Azure is deployment slots. When publishing updates to app services, you need to be confident that your latest changes do not break the existing running application. Although you should always test changes in lower environments such as a development or test environment first, a final production deployment can …
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Migrating databases – Migrating Workloads to Azure
Like the VM migration service, you must create a database migration project in the Azure Migrate blade in the Azure portal to get started with the database migration service.The first step is to download the Data Migration Assessment (DMA) tool. Unlike the VM migration tool that comes pre-installed on a VM image, the DMA tool …
Understanding migration options – Migrating Workloads to Azure
The next phase of the migration planning is to determine how your migrated services will be built. This may be a simple lift-and-shift of one VM to a new VM in Azure, or you may take the opportunity to modify the technologies you use. This part of the process is more than just technical decisions …
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The discovery phase – Migrating Workloads to Azure
Very few applications run in isolation on a single server. The majority will be split across multiple servers; for example, web applications may consist of a web server frontend and a backend database. To further complicate matters, some systems may share resources – multiple applications may share the same backend databases, and web servers may …
AzCopy – Exploring Storage Solutions
AzCopy is a command-line tool available for Windows, Linus, and macOS that wraps some of the REST APIs calls to make it easier to perform actions against storage accounts. AzCopy has a login command to authenticate you to your Azure subscription and obtain an authorization token. You could use SAS to grant access without the …
SASes – Exploring Storage Solutions
A SAS is a unique URL that you can generate that provides time-limited access to your storage account. An account SAS is created at the storage account level, granting access to all containers within that account. Alternatively, you can create a SAS for a container, a folder, or even an individual object, which is known …
VM disks – Exploring Storage Solutions
Windows and Linux servers must have at least one hard disk drive to store the operating system on and, sometimes, you might also need separate data disks. When virtualization was introduced, those disks also become virtual but were stored on physical drives as disk image files used by the Hypervisor. In the case of Windows …