Hosting plan for Azure Functions that keeps instances pre-warmed to avoid cold starts and supports VNet integration. Executions time out after 30 minutes by default, which host.json can extend.
Also called Functions plan.
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Terms in this definition
- Authorisation levels
Key requirements for HTTP triggers in Azure Functions: Anonymous needs no key, Function accepts a function or host key, and Admin requires the master key.
- Cold
Online access tier for blobs that costs less to store than Cool but more to read, while data stays instantly available.
- Regional VNet integration
From the Basic tier up, App Service can send outbound traffic into a VNet by way of a subnet delegated to
Microsoft.Web/serverFarms. Reaching the app privately from inside, though, calls for a private endpoint.
Related terms
- 10-Year Audit Log Retention
An add-on licence assigned per user that lets audit records be kept for a decade. The user also needs Audit (Premium) and a retention policy covering those records, and older records are not extended retroactively.
- A5
The highest Microsoft 365 plan for education, equivalent to E5 for schools and universities. It includes premium Purview and Defender capabilities, for example Endpoint DLP, Audit (Premium), Insider Risk Management and the premium eDiscovery features.
- ACR geo-replication
Capability of Premium Azure Container Registry that keeps images in multiple regions while clients still use a single registry name.
- Always ready instances
To avoid cold starts, a baseline of instances can be kept running and billed, either for chosen functions or function groups on Flex Consumption or for the whole app on Premium. Flex Consumption doesn't count them toward its maximum instance limit.
- API Management
Azure's API gateway, where policies like rate limits, quotas, ip-filter and validate-jwt are defined once and apply to every API. Production VNet injection is offered in the Premium tier.
- Application rule
Azure Firewall rule type that controls outbound HTTP, HTTPS and MSSQL traffic according to the destination FQDN, with full URL filtering requiring Premium. DNAT and network rules are evaluated before it.
- Audit log retention policy
Lets an organisation decide how long particular audit records survive, filtered by user, activity or service: between 7 days and 1 year as standard, or 3, 5, 7 or 10 years with the 10-Year add-on. It is an Audit (Premium) feature; up to 50 can exist, and they win over the default policy.
- Azure Analysis Services
Azure service hosting tabular OLAP models for large numbers of Power BI and Excel users; semantic models in Power BI Premium are its modern counterpart.