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Building High Performance Web Applications with the Windows Azure Platform
The document discusses various aspects of cloud computing, focusing on Azure services like blob storage, CDN, and caching. It outlines how a user can utilize shared access signatures for secure access to resources, thereby improving latency and reducing compute load. Additionally, it provides configuration examples for caching and session management in Azure applications.
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Building High Performance Web Applications with the Windows Azure Platform
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- 8. http://blog.smarx.com/posts/shared-access-signatures-are-easy-these-days Hosted Compute X Non-public blob (e.g.paid or ad- funded content) 1. “I am Bob & I want X” 2. Service prepares a Shared Access Signature (SAS) to X using the securely stored storage account key 3. Service returns SAS (signed HTTPS URL) 4. Bob uses SAS to access X directly from Blob Storage for reduced latency & compute load
- 9. X Public container CDN X Blob headerdetermines time-to-live at the edge Closest Point of Presence DNS name resolves to closest POP
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- 13. Unified Cache View Multiplerole instances may be cache clients Clients access the cache as if it was a single large namespace Cache layer distributes data across the various cache instances
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- 15. On-Premises App WindowsAzure App AppFabric CacheAPIs Windows Server AppFabric Cache AppFabric CacheAPIs Windows Azure AppFabric Caching
- 16. <configuration> <dataCacheClient deployment= Simple> <hosts> <host name= <your URI> cachePort= 22233 /> </hosts> <securityProperties mode= Message > <messageSecurity authorizationInfo= <your authentication token> > </securityProperties> </dataCacheClient> </configuration>
- 17. <configuration> <system.web> <sessionState mode="Custom" customProvider="DistributedSessionProvider" compressionEnabled="false"> <providers> <addname= DistributedSessionProvider type= Microsoft.Web.DistributedCache.DistributedCacheSessionStateStoreProvider, Microsoft.Web.DistributedCache cacheName= default applicationName= Contoso useBlobMode= false /> </providers> </sessionState> </system.web> </configuration>
- 18. <system.web> <caching> <outputCache defaultProvider= DistributedCache> <providers> <add name= DistributedCache type= Microsoft.Web.DistributedCache.DistributedCacheOutputCacheProvider,Micros oft.Web.DistributedCache cacheName= default applicationName= Contoso /> </providers> </outputCache> </caching> </system.web>
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