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lecture24-inside-azure-datacenter-architecture.md

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Lecture 24 Inside Azure Datacenter Architecture

Inside Datacenters

  • Azure from Cloud to Edge
    • Azure Sphere / Azure IoT devices, Azure Stack Hub and HCI / Azure Private Edge Zones / Azure Edge Zones / Azure Regions
    • Consistent security, identity, management, and AI
  • 65+ Azure regions
  • Azure region architecture
    • Data Residency Boundary -> Region -> Availability Zone -> Server Clusters
  • Modular Datacenters
    • High availability module for uninterrupted power
    • Azure Energy sustainability

Inside Intelligent Infrastructure

AIOps

  • Fast and actionable anomaly detection
  • Auto-communication
  • Automatic impacted service identification
  • Impact assement and incident aggregation
  • Root cause service identification
  • Efficient outage management

Brain

  • Aggregator
    • Customer experience
    • Azure Services
    • Infrastructure devices
    • Critical Environment and Mechanical

Resource Central

  • Model training platform
  • Services and features -> Inference -> Model training
  • Live data and validation -> Model training
  • Usage metadata -> Model development

Project Narya

  • Predictive and adaptive failure prevention
  • ML failure prediction + Prediction rule -> A/B testing + Multi-armed bandit decision -> Composite actions (Block allocation, Live migrate, Service heal, Soft kernel reboot) -> Customer impact + Diagnostics -> Feedback loop

Azure Digital Twins

  • Input: IoT Hub / Workflow integration / Business systems / services integration via REST APIs
  • Azure Digital Twins -> Client appas / External compute
  • Output: Workflow integration / Cold Storage / Time Series Insight / Azure Synapse Analytics

Inside Networking

Rack Hardware

  • SmartNIC/FPGA
  • Software Defined Appliances

DC Hardware

  • Azure Firewall
  • Azure DDos detection
  • Load balancing

Intra-region

  • Regional network gateways

Microsoft WAN

  • Dedicated dark fiber WAN
  • Optical networking (DWDM)
  • Network Watcher
  • Network Performance Monitoring

Last Mile and Enterprise Connectivity

  • ExpressRoute
  • CDN

Azure Orbital

  • Ground Station as a Service
    • Earth observation
    • Global communication

Inside Servers

  • Memory optimized servers
    • Godzilla (2014)
    • Beast (2017)
    • Beast V2 (2019)
    • Mega-Godzilla-Beast (2020)
  • Massively scalable AI supercomputer
    • NDv4
  • Liquid cooling
  • Quantum controller

Inside Azure Resource Manager

  • Azure portal / CLI and PowerShell / SDKs / REST API
  • ARM (Auth and RBAC / Activity logs and telemetry / Resource metadata)
    • Traffic Manager -> Load Balancers
  • Resource Providers (Compute / Network / Storage / SQL)
  • Azure infrastructure (Hardware manager / Edge infrastructure)

VM Applications

  • Azure DevOps + Github -> CI/CD
  • Application Package
  • Azure Artifacts Gallery (Private/Public) -> Install/Update
  • Virtual Machines / Virtual Machine Scale Sets

Inside Compute

Dapr

  • Programming languages and frameworks
  • Building blocks
  • Cloud infrastructures

Inside Storage and Data

Data protection

  • Existing encryption -> Data at rest / Data in transit
  • Confidential computing -> Data in use

Azure Storage Portfolio

  • Disk storage
  • Object storage
  • File storage
  • Backup
  • Data transport
  • Hybrid storage
  • Future technology