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Windows Azure Design Patterns

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David Pallmann
David Pallmann

This is a presentation on the design patterns in Windows Azure, Microsoft's cloud computing platform.

1 of 61
David Pallmann GM Custom App Dev, Neudesic http://davidpallmann.blogspot.com @davidpallmann
1. General Cloud Computing Patterns 2. Patterns in the Windows Azure platform Compute Storage Relational Database Communication Security Network 3. Cloud application patterns discussion Discussion / Q & A
General Pu Pr Hy Ia Pa Sa Ps Su Compute Ro In We Wo Vr Lb Ep Ei Ca Storage Bl Co Qm Qu Ta En Pk Rk Ep DB Ds Db Rd Re Sg Sh Fr Fm Comm Sb Sq To Su Fi Network Vn Rg Mg Cd Tm Rl Rf Rd Security Ip Rp Ts Tk Cl Ra
Cloud Types Cloud Levels of Use Platform Pu Pr Hy Ia Pa Sa Ps Su PUBLIC PRIVATE HYBRID INFRASTR. PLATFORM SOFTWARE PLATFORM SUBSCRIP- CLOUD CLOUD CLOUD AS A SVCE AS A SVCE AS A SVCE SERVICE TION
Pu Pr Hy Public Cloud Private Cloud Hybrid Cloud
Pu Advanced data center, global presence PUBLIC CLOUD On-demand, elastic scale, well-managed Multi-tenant, consumption-based pricing
Pr On-premises virtualization infrastructure PRIVATE CLOUD Shares some characteristics of public cloud Upcoming Windows Server 8 is able to virtually pool and allocate compute, storage, network resources in a multi-tenant fashion YOUR CLOUD INFRASTRUCTURE
Hy Connect public cloud with private cloud HYBRID CLOUD Integrate via VPN or other means CLOUD VENDOR INFRASTRUCTURE YOUR CLOUD INFRASTRUCTURE
Ia Pa Sa INFRASTR. PLATFORM SOFTWARE AS A SVCE AS A SVCE AS A SVCE IaaS PaaS SaaS Raw Virtual Resources App Services Platform Just Use It “Bring Your Own VM“ “Bring Your Own App” “Bring Your Own User”
Ps Service provided by the cloud platform PLATFORM SERVICE Compute Service Run your software in the cloud data center Most intimate level of cloud computing Other services generally usable in-cloud or on-prem RESTful Services Most cloud services use HTTP REST Storage, Communication, Management, … Interop Services Use a specific protocol for interop / compatibility Example: SQL Azure Database (TDS protocol)
Su Ongoing billing arrangement SUBSCRIP- TION Consumption-based Services used have pricing meters Types Month-to-month Term subscription Negotiated terms Month-to-month is easy entry / easy exit without residual obligations Term or negotiated subscriptions can get you a discount in exchange for a commitment
Windows Azure Design Patterns
Ps Compute Service SQL Azure Reporting PLATFORM SERVICE S Storage Service Cache Service Blob Storage Service Bus Queue Storage Access Control Service Table Storage Windows Azure Traffic Manager SQL Azure Database SQL Azure Data Sync Service DataMarket SQL Azure Import Export Service CDN Windows Azure Connect
Df Du Fault domain FAULT UPGRADE DOMAIN DOMAIN Spreads out your redundant servers / storage across the data center so a large failure doesn’t take out all of your resources Upgrade domain How patches or application updates are applied Upgrades parts of your application in sequence (“red black pattern”) to maintain availability
Fault Domain 1 Fault Domain 2 Fault Domain 3 Upgrade Domain 1 Role A Role B Role C Instance 1 Instance 2 Instance 3 Upgrade Domain 2 Role B Role C Role A Instance 1 Instance 2 Instance 3 Upgrade Domain 3 Role C Role A Role B Instance 1 Instance 2 Instance 3
Roles Endpoints Cache Ro In We Wo Vr Lb Ep Ei Ca ROLE INSTANCE WEB WORKER VM LOAD INPUT INTERNAL CACHE ROLE ROLE ROLE BALANCER ENDPOINT ENDPONIT SERVICE
Hs Your app, hosted in Compute service Consists of one or more tiers (“roles”) Production & Staging deployment slots Subscription Windows Azure Hosted Service Project Regional Data Center Production Staging Deployment Deployment Slot Slot
Ro In Role: a tier of your app (VM farm) ROLE INSTANCE Instance: VM, member of a role (5 sizes) Role has one or more instances (2+ for SLA) VM instances are volatile, roles are sturdy (like ants : colony or soldiers : army, you can lose an individual but the organization survives) VM VM VM VM VM
We Wo Vr WEB WORKER VM ROLE ROLE ROLE Web Role Worker Role VM Role Web Container General-purpose Container VM Image Configured with Configured with You prepare a VM Windows Server, IIS & Windows Server a public LB endpoint Upload your app Upload your app Upload a full VM PaaS PaaS IaaS Managed Managed You Manage Auto patched Auto patched No auto-patching
Lb Ep Ei Allows access to a role LOAD INPUT INTERNAL BALANCER ENDPOINT ENDPOINT Load balancer: round-robin Input (public) endpoint: public, load-balanced Internal endpoint: only accessible by cloud app VM VM VM VM VM
Dp Di Paas Deployment IaaS Deployment PAAS DEPLOYMENT IAAS DEPLOYMENT Compute Service Compute Service HOSTED HOSTED SERVICE SERVICE APPLICATION SERVICE SERVICE CUSTOM VM RUNTIME METADATA METADATA IMAGE FILES
Web Role Compute Tier Worker Role Compute Tier VM VM Public Endpoint VM VM Queue VM VM
Ca Cache Service CACHE SERVICE Distributed Memory Cache Available in different sizes Same programming model as Windows Server Cache (“Velocity”)
Attendee Bee Conference App HTML5/Mobile ASP.NET/MVC web site hosted in a Web Role
Blob Storage Queue Storage Table Storage Bl Co Qm Qu Ta En Pk Rk Ep BLOB CONTAINER QUEUE QUEUE TABLE ENTITY PARTITION ROW ENTITY MESSAGE KEY KEY PROPERTY
Ratio of primitive : relational data is frequently higher in the cloud Cheap: pennies per gigabyte/mo Scale: no practical size limit Simple: less complexity / overhead Lighter: optimistic concurrency Trendy: fueled by trends in cloud / mobile arch/ & movements like NoSQL
Bl Qu Ta BLOB QUEUE TABLE Blob Storage Queue Storage Table Storage File-like Simple queues Big, cheap tables Use for anything you For queuing task Structured data where would normally use a messages you don’t need file for relational features
Bl Co Blob: File-like storage BLOB CONTAINER Container: Holds blobs, like folder Name, data, metadata Sequential/streamed access Simple put/get operations Data stored with redundancy Provides persistence for VMs Directly reference blobs as URIs 2 kinds of blobs: block (sequential), page (random)
Qu Qm Queue: holds messages QUEUE QUEUE MESSAGE Messages small string or XML content Access semantics may differ from enterprise queue technologies you are used to Enterprise reasons to use queues also apply in the cloud Can use queues to load-balance workers Can use queues to coordinate work across roles Strict FIFO not guaranteed due to queue semantics
Ta En Big, cheap data tables TABLE ENTITY Simple record-oriented storage Table: hold entities (records) Entity: contains properties (fields) Does not enforce a schema No relational features Partition Key + Row Key = a unique key En : Pk Rk Ep Ep Ep ENTITY PARTITION ROW ENTITY ENTITY ENTITY KEY KEY PROPERTY PROPERTY PROPERTY
MEDIA CONTAINER 20 GB CONTACTS TABLE 1000 40 40 COUNTRY (PK) IMAGES VIDEO XML CUSTOMER ID (RK) LAST NAME FIRST NAME STREET CITY STATE POSTAL PHONE ORDER QUEUE EMAIL WEB PHONE ORDERS ORDERS
AttendeeBee Conference App Blob & Table Storage
Database Reporting Data Sync Federation Service Service Service Db Db Rd Re Sg Sh Fr Fm DATABASE DATABASE REPORT REPORT SYNC SYNC FEDERATION FEDERATION SERVER DEFINITION ENDPOINT GROUP HUB ROOT MEMBER
Db Rs DATABASE REPORT SERVICE SERVICE Sql Azure Database Sql Azure Reporting Database Service Reporting Service Sy Fr SYNC FEDERATION SERVICE SERVICE SQL Azure Data Sync Sql Azure Federations Synchronization Service Database Federation Service
Ds Db Relational DB as a service DATABASE DATABASE SERVER One master and two replicants, auto failover Physical management handled for you Has most SQL Server features but not all Size limit of 150GB Database Server: virtual DB server (actually 3) Database: database contained in a DB server
Rd Re DB reporting as a service REPORT REPORT DEFINITION ENDPOINT Similar experience to SSRS Source is SQL Azure Database Use BIDS to create reports, RDF format Rd: report definition Re: web-accessible reporting endpoint
Sg Sh 1-way or bi-directional syncing SYNC GROUP SYNC HUB SQL Azure to SQL Azure SQL Azure to SQL Server Hub and spoke model: all syncing is to and/or from the hub SQL Azure database Can trigger a sync manually or schedule Sync: Synchronization operation Sync group: Defines group of DBs for syncing Sync hub: the hub of the sync group
Fr Fm Database federation FEDERATION FEDERATION ROOT MEMBER Partition or shard to multiple databases, have a “federation database” that looks like one DB Federation Root: federation root database Federation Member: member database
Accessing & Managing a SQL Azure Database
Service Bus Service Bus Queues Sb Sq To Su Fi SERVICE SERVICE BUS TOPIC SUBSCRIP- FILTER BUS QUEUE TION
Sb Using the cloud as a SERVICE BUS communication relay Navigates NATs, firewalls, proxies well Supports client-service, eventing/pub-sub messaging patterns Volatile (best effort) messaging
Sq Service Bus Queue: Durable messaging SERVICE BUS QUEUE Topic: publish point for durable messaging To Subscription: receiver of durable TOPIC messaging Filter : criteria on which messages to Su receive SUBSCRIP- TION Fi FILTER
T-Shirt World Using a Service Bus Queue to Relay Orders for Processing
VPN Connection CDN Traffic Manager Vn Rg Mg Cd Tm Rl Rf Rd VIRTUAL ROLE MACHINE CONTENT TRAFFIC LOCALE-BASED FAILOVER DISTRIBUTED NETWORK GROUP GROUP DELIVERY MANAGER ROUTING ROUTING ROUTING NETWORK
Vn Windows Azure Connect VIRTUAL NETWORK Virtual Network: VPN connection between cloud and on-prem machines Rg Role Group: indicates which roles are ROLE GROUP members of a virtual network Machine Group: indicates which on- Mg prem machines are members of a virtual MACHINE network GROUP
WEB ROLE 3 S S S SQL SERVER DATABASE
Cd Content Delivery Network CONTENT DELIVERY CDN: Utilizes worldwide network of 24+ NETWORK edge server to deliver content efficiently Often used for media Locale-directed DNS goes to nearest node to serve up cached content Content sources from blob storage or your hosted service
Tm Windows Azure Traffic Manager TRAFFIC MANAGER Traffic Manager: Routes DNS access to your hosted service to one of several Rl possible deployments based on rules LOCALE-BASED ROUTINE Locale-based Routing: route to a deployment based on locale Rf Failover Routing: route to a secondary if FAILOVER primary is not healthy (via a heartbeat) ROUTING Distributed Routing: route based on a Rd desired distribution across data centers DISTRIBUTED ROUTING
Claims-based Security Ip Rp Ts Tk Cl Ra IDENTITY RELYING SECURITY TOKEN CLAIM REDIRECTED PROVIDER PARTY TOKEN AUTHENTICATION SERVICE
Ip Modern way to do AuthN/AuthZ IDENTITY PROVIDER Use with web identity, domain identity Identity Provider: Party providing Rp security token with claims RELYING PARTY Relying Party: application that wants to authenticate/authorize user Ts Security Token Service: how SECURITY TOKEN application/user authenticates SERVICE (interactively or programmatically) Ra Redirected Authentication: user visits REDIRECTED app, user redirected to STS to sign in, AUTHENTICATION redirected back to app with token
Googl Windows Azure e ACS Yaho RP o! WEB ROLE 2+ S S Live ID
Windows Azure WEB ROLE 2+ S S RP Enterprise ADF S AD
Windows Azure Design Patterns
Can “load balance” back end of worker roles using queues Queue Worker Role
Web Role Front end can submit tasks for the back end Both front end and back end can be scaled to accommodate load Q Worker Role
WEB FARM CQRS-READS RELATIONAL DATA Command/Query Responsibility Segregation PUBLIC CLOUD CLUSTERED / PARTITIONED DB Best for large WEB FARM CQRS-WRITES NON-RELATIONAL DATA implementations Separate read & write FILES, QUEUES You probably don’t do the same amount of each Take advantage of lightweight read mechanisms Safer – avoid accidental updates/deletes
Windows Azure Design Patterns
HETEROGENEOUS FRONT END DECENTRALIZED BACK END Platform DESKTOP Application Services BROWSER CLOUD Business Data Stores Services TABLET Identity IP Directories Services PHONE PARTNER Partner Data Stores Services
Attendee Bee Conference App Open, Mobile, Global, & Social
General Pu Pr Hy Ia Pa Sa Ps Su Compute Ro In We Wo Vr Lb Ep Ei Ca Storage Bl Co Qm Qu Ta En Pk Rk Ep DB Ds Db Rd Re Sg Sh Fr Fm Comm Sb Sq To Su Fi Network Vn Rg Mg Cd Tm Rl Rf Rd Security Ip Rp Ts Tk Cl Ra
Thanks! David Pallmann GM Custom App Dev, Neudesic http://davidpallmann.blogspot.com @davidpallmann

More Related Content

Windows Azure Design Patterns

  • 1. David Pallmann GM Custom App Dev, Neudesic http://davidpallmann.blogspot.com @davidpallmann
  • 2. 1. General Cloud Computing Patterns 2. Patterns in the Windows Azure platform Compute Storage Relational Database Communication Security Network 3. Cloud application patterns discussion Discussion / Q & A
  • 3. General Pu Pr Hy Ia Pa Sa Ps Su Compute Ro In We Wo Vr Lb Ep Ei Ca Storage Bl Co Qm Qu Ta En Pk Rk Ep DB Ds Db Rd Re Sg Sh Fr Fm Comm Sb Sq To Su Fi Network Vn Rg Mg Cd Tm Rl Rf Rd Security Ip Rp Ts Tk Cl Ra
  • 4. Cloud Types Cloud Levels of Use Platform Pu Pr Hy Ia Pa Sa Ps Su PUBLIC PRIVATE HYBRID INFRASTR. PLATFORM SOFTWARE PLATFORM SUBSCRIP- CLOUD CLOUD CLOUD AS A SVCE AS A SVCE AS A SVCE SERVICE TION
  • 5. Pu Pr Hy Public Cloud Private Cloud Hybrid Cloud
  • 6. Pu Advanced data center, global presence PUBLIC CLOUD On-demand, elastic scale, well-managed Multi-tenant, consumption-based pricing
  • 7. Pr On-premises virtualization infrastructure PRIVATE CLOUD Shares some characteristics of public cloud Upcoming Windows Server 8 is able to virtually pool and allocate compute, storage, network resources in a multi-tenant fashion YOUR CLOUD INFRASTRUCTURE
  • 8. Hy Connect public cloud with private cloud HYBRID CLOUD Integrate via VPN or other means CLOUD VENDOR INFRASTRUCTURE YOUR CLOUD INFRASTRUCTURE
  • 9. Ia Pa Sa INFRASTR. PLATFORM SOFTWARE AS A SVCE AS A SVCE AS A SVCE IaaS PaaS SaaS Raw Virtual Resources App Services Platform Just Use It “Bring Your Own VM“ “Bring Your Own App” “Bring Your Own User”
  • 10. Ps Service provided by the cloud platform PLATFORM SERVICE Compute Service Run your software in the cloud data center Most intimate level of cloud computing Other services generally usable in-cloud or on-prem RESTful Services Most cloud services use HTTP REST Storage, Communication, Management, ��� Interop Services Use a specific protocol for interop / compatibility Example: SQL Azure Database (TDS protocol)
  • 11. Su Ongoing billing arrangement SUBSCRIP- TION Consumption-based Services used have pricing meters Types Month-to-month Term subscription Negotiated terms Month-to-month is easy entry / easy exit without residual obligations Term or negotiated subscriptions can get you a discount in exchange for a commitment
  • 13. Ps Compute Service SQL Azure Reporting PLATFORM SERVICE S Storage Service Cache Service Blob Storage Service Bus Queue Storage Access Control Service Table Storage Windows Azure Traffic Manager SQL Azure Database SQL Azure Data Sync Service DataMarket SQL Azure Import Export Service CDN Windows Azure Connect
  • 14. Df Du Fault domain FAULT UPGRADE DOMAIN DOMAIN Spreads out your redundant servers / storage across the data center so a large failure doesn’t take out all of your resources Upgrade domain How patches or application updates are applied Upgrades parts of your application in sequence (“red black pattern”) to maintain availability
  • 15. Fault Domain 1 Fault Domain 2 Fault Domain 3 Upgrade Domain 1 Role A Role B Role C Instance 1 Instance 2 Instance 3 Upgrade Domain 2 Role B Role C Role A Instance 1 Instance 2 Instance 3 Upgrade Domain 3 Role C Role A Role B Instance 1 Instance 2 Instance 3
  • 16. Roles Endpoints Cache Ro In We Wo Vr Lb Ep Ei Ca ROLE INSTANCE WEB WORKER VM LOAD INPUT INTERNAL CACHE ROLE ROLE ROLE BALANCER ENDPOINT ENDPONIT SERVICE
  • 17. Hs Your app, hosted in Compute service Consists of one or more tiers (“roles”) Production & Staging deployment slots Subscription Windows Azure Hosted Service Project Regional Data Center Production Staging Deployment Deployment Slot Slot
  • 18. Ro In Role: a tier of your app (VM farm) ROLE INSTANCE Instance: VM, member of a role (5 sizes) Role has one or more instances (2+ for SLA) VM instances are volatile, roles are sturdy (like ants : colony or soldiers : army, you can lose an individual but the organization survives) VM VM VM VM VM
  • 19. We Wo Vr WEB WORKER VM ROLE ROLE ROLE Web Role Worker Role VM Role Web Container General-purpose Container VM Image Configured with Configured with You prepare a VM Windows Server, IIS & Windows Server a public LB endpoint Upload your app Upload your app Upload a full VM PaaS PaaS IaaS Managed Managed You Manage Auto patched Auto patched No auto-patching
  • 20. Lb Ep Ei Allows access to a role LOAD INPUT INTERNAL BALANCER ENDPOINT ENDPOINT Load balancer: round-robin Input (public) endpoint: public, load-balanced Internal endpoint: only accessible by cloud app VM VM VM VM VM
  • 21. Dp Di Paas Deployment IaaS Deployment PAAS DEPLOYMENT IAAS DEPLOYMENT Compute Service Compute Service HOSTED HOSTED SERVICE SERVICE APPLICATION SERVICE SERVICE CUSTOM VM RUNTIME METADATA METADATA IMAGE FILES
  • 22. Web Role Compute Tier Worker Role Compute Tier VM VM Public Endpoint VM VM Queue VM VM
  • 23. Ca Cache Service CACHE SERVICE Distributed Memory Cache Available in different sizes Same programming model as Windows Server Cache (“Velocity”)
  • 24. Attendee Bee Conference App HTML5/Mobile ASP.NET/MVC web site hosted in a Web Role
  • 25. Blob Storage Queue Storage Table Storage Bl Co Qm Qu Ta En Pk Rk Ep BLOB CONTAINER QUEUE QUEUE TABLE ENTITY PARTITION ROW ENTITY MESSAGE KEY KEY PROPERTY
  • 26. Ratio of primitive : relational data is frequently higher in the cloud Cheap: pennies per gigabyte/mo Scale: no practical size limit Simple: less complexity / overhead Lighter: optimistic concurrency Trendy: fueled by trends in cloud / mobile arch/ & movements like NoSQL
  • 27. Bl Qu Ta BLOB QUEUE TABLE Blob Storage Queue Storage Table Storage File-like Simple queues Big, cheap tables Use for anything you For queuing task Structured data where would normally use a messages you don’t need file for relational features
  • 28. Bl Co Blob: File-like storage BLOB CONTAINER Container: Holds blobs, like folder Name, data, metadata Sequential/streamed access Simple put/get operations Data stored with redundancy Provides persistence for VMs Directly reference blobs as URIs 2 kinds of blobs: block (sequential), page (random)
  • 29. Qu Qm Queue: holds messages QUEUE QUEUE MESSAGE Messages small string or XML content Access semantics may differ from enterprise queue technologies you are used to Enterprise reasons to use queues also apply in the cloud Can use queues to load-balance workers Can use queues to coordinate work across roles Strict FIFO not guaranteed due to queue semantics
  • 30. Ta En Big, cheap data tables TABLE ENTITY Simple record-oriented storage Table: hold entities (records) Entity: contains properties (fields) Does not enforce a schema No relational features Partition Key + Row Key = a unique key En : Pk Rk Ep Ep Ep ENTITY PARTITION ROW ENTITY ENTITY ENTITY KEY KEY PROPERTY PROPERTY PROPERTY
  • 31. MEDIA CONTAINER 20 GB CONTACTS TABLE 1000 40 40 COUNTRY (PK) IMAGES VIDEO XML CUSTOMER ID (RK) LAST NAME FIRST NAME STREET CITY STATE POSTAL PHONE ORDER QUEUE EMAIL WEB PHONE ORDERS ORDERS
  • 33. Database Reporting Data Sync Federation Service Service Service Db Db Rd Re Sg Sh Fr Fm DATABASE DATABASE REPORT REPORT SYNC SYNC FEDERATION FEDERATION SERVER DEFINITION ENDPOINT GROUP HUB ROOT MEMBER
  • 34. Db Rs DATABASE REPORT SERVICE SERVICE Sql Azure Database Sql Azure Reporting Database Service Reporting Service Sy Fr SYNC FEDERATION SERVICE SERVICE SQL Azure Data Sync Sql Azure Federations Synchronization Service Database Federation Service
  • 35. Ds Db Relational DB as a service DATABASE DATABASE SERVER One master and two replicants, auto failover Physical management handled for you Has most SQL Server features but not all Size limit of 150GB Database Server: virtual DB server (actually 3) Database: database contained in a DB server
  • 36. Rd Re DB reporting as a service REPORT REPORT DEFINITION ENDPOINT Similar experience to SSRS Source is SQL Azure Database Use BIDS to create reports, RDF format Rd: report definition Re: web-accessible reporting endpoint
  • 37. Sg Sh 1-way or bi-directional syncing SYNC GROUP SYNC HUB SQL Azure to SQL Azure SQL Azure to SQL Server Hub and spoke model: all syncing is to and/or from the hub SQL Azure database Can trigger a sync manually or schedule Sync: Synchronization operation Sync group: Defines group of DBs for syncing Sync hub: the hub of the sync group
  • 38. Fr Fm Database federation FEDERATION FEDERATION ROOT MEMBER Partition or shard to multiple databases, have a “federation database” that looks like one DB Federation Root: federation root database Federation Member: member database
  • 39. Accessing & Managing a SQL Azure Database
  • 40. Service Bus Service Bus Queues Sb Sq To Su Fi SERVICE SERVICE BUS TOPIC SUBSCRIP- FILTER BUS QUEUE TION
  • 41. Sb Using the cloud as a SERVICE BUS communication relay Navigates NATs, firewalls, proxies well Supports client-service, eventing/pub-sub messaging patterns Volatile (best effort) messaging
  • 42. Sq Service Bus Queue: Durable messaging SERVICE BUS QUEUE Topic: publish point for durable messaging To Subscription: receiver of durable TOPIC messaging Filter : criteria on which messages to Su receive SUBSCRIP- TION Fi FILTER
  • 43. T-Shirt World Using a Service Bus Queue to Relay Orders for Processing
  • 44. VPN Connection CDN Traffic Manager Vn Rg Mg Cd Tm Rl Rf Rd VIRTUAL ROLE MACHINE CONTENT TRAFFIC LOCALE-BASED FAILOVER DISTRIBUTED NETWORK GROUP GROUP DELIVERY MANAGER ROUTING ROUTING ROUTING NETWORK
  • 45. Vn Windows Azure Connect VIRTUAL NETWORK Virtual Network: VPN connection between cloud and on-prem machines Rg Role Group: indicates which roles are ROLE GROUP members of a virtual network Machine Group: indicates which on- Mg prem machines are members of a virtual MACHINE network GROUP
  • 46. WEB ROLE 3 S S S SQL SERVER DATABASE
  • 47. Cd Content Delivery Network CONTENT DELIVERY CDN: Utilizes worldwide network of 24+ NETWORK edge server to deliver content efficiently Often used for media Locale-directed DNS goes to nearest node to serve up cached content Content sources from blob storage or your hosted service
  • 48. Tm Windows Azure Traffic Manager TRAFFIC MANAGER Traffic Manager: Routes DNS access to your hosted service to one of several Rl possible deployments based on rules LOCALE-BASED ROUTINE Locale-based Routing: route to a deployment based on locale Rf Failover Routing: route to a secondary if FAILOVER primary is not healthy (via a heartbeat) ROUTING Distributed Routing: route based on a Rd desired distribution across data centers DISTRIBUTED ROUTING
  • 49. Claims-based Security Ip Rp Ts Tk Cl Ra IDENTITY RELYING SECURITY TOKEN CLAIM REDIRECTED PROVIDER PARTY TOKEN AUTHENTICATION SERVICE
  • 50. Ip Modern way to do AuthN/AuthZ IDENTITY PROVIDER Use with web identity, domain identity Identity Provider: Party providing Rp security token with claims RELYING PARTY Relying Party: application that wants to authenticate/authorize user Ts Security Token Service: how SECURITY TOKEN application/user authenticates SERVICE (interactively or programmatically) Ra Redirected Authentication: user visits REDIRECTED app, user redirected to STS to sign in, AUTHENTICATION redirected back to app with token
  • 51. Googl Windows Azure e ACS Yaho RP o! WEB ROLE 2+ S S Live ID
  • 52. Windows Azure WEB ROLE 2+ S S RP Enterprise ADF S AD
  • 54. Can “load balance” back end of worker roles using queues Queue Worker Role
  • 55. Web Role Front end can submit tasks for the back end Both front end and back end can be scaled to accommodate load Q Worker Role
  • 56. WEB FARM CQRS-READS RELATIONAL DATA Command/Query Responsibility Segregation PUBLIC CLOUD CLUSTERED / PARTITIONED DB Best for large WEB FARM CQRS-WRITES NON-RELATIONAL DATA implementations Separate read & write FILES, QUEUES You probably don’t do the same amount of each Take advantage of lightweight read mechanisms Safer – avoid accidental updates/deletes
  • 58. HETEROGENEOUS FRONT END DECENTRALIZED BACK END Platform DESKTOP Application Services BROWSER CLOUD Business Data Stores Services TABLET Identity IP Directories Services PHONE PARTNER Partner Data Stores Services
  • 59. Attendee Bee Conference App Open, Mobile, Global, & Social
  • 60. General Pu Pr Hy Ia Pa Sa Ps Su Compute Ro In We Wo Vr Lb Ep Ei Ca Storage Bl Co Qm Qu Ta En Pk Rk Ep DB Ds Db Rd Re Sg Sh Fr Fm Comm Sb Sq To Su Fi Network Vn Rg Mg Cd Tm Rl Rf Rd Security Ip Rp Ts Tk Cl Ra
  • 61. Thanks! David Pallmann GM Custom App Dev, Neudesic http://davidpallmann.blogspot.com @davidpallmann

Editor's Notes

  1. Windows Azure, of course, is Microsoft’s cloud computing platform. In this first part, we’re going to look at the patterns come with using the Windows Azure platform.
  2. Windows Azure, of course, is Microsoft’s cloud computing platform. In this first part, we’re going to look at the patterns come with using the Windows Azure platform.
  3. Windows Azure, of course, is Microsoft’s cloud computing platform. In this first part, we’re going to look at the patterns come with using the Windows Azure platform.