ArcReady Architecting for the Cloud Phil Wheat Architect Evangelist [email_address] blog: PhilWheat.net

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ArcReady: Architecting for the cloud

About Me Phil Wheat Architect Evangelist [email_address] blog: PhilWheat.net

About ArcReady… A forum for aspiring and practicing architects to discuss industry trends An overview of Microsoft’s roadmap as it relates to software architecture A mechanism to solicit your feedback An opportunity to showcase the work you do!

A forum for aspiring and practicing architects to discuss industry trends

An overview of Microsoft’s roadmap as it relates to software architecture

A mechanism to solicit your feedback

An opportunity to showcase the work you do!

Discussion Encouraged

SESSION 1 Architecting for the cloud

Flashback to previous ArcReady

Application Service Providers (ASP)

Software as a Service

Software + Services

“ Packaged” Application An application that I buy “off the shelf” and run myself “ Home Built” Application An application that I develop and run myself Build vs. Buy Build Buy Hosted “ Home Built” An application that I develop myself, but run at a hoster Hosted “ Packaged” An application that I buy “off the shelf” and then run at a hoster “ Home Built” using cloud An application that I develop myself, that is hosted using cloud platform “ Packaged” using cloud An application that I buy “off the shelf”, that is hosted using cloud platform “ Software as a Service” A hosted application that I buy from a vendor “ Platform as a Service” A vendor hosted development and runtime environment On Premise Hoster Cloud Vendor

Almost zero upfront infrastructure cost

Just in time Infrastructure

More efficient resource utilization

Usage Based Computing

Potential to shrink processing time

Concerns with Cloud Computing

Security

Scalability

Reliability

Regulations and other legal issues

Azure

Azure is a blue color on the HSV color wheel at 210 degrees. Azure is the hue that is halfway between blue and cyan. Its complementary color is orange. Azure is a near synonym for the color blue. Commonly it refers to a bright blue, resembling the sky on a bright, clear day. http://en.wikipedia.org/wiki/Azure

Azure is a blue color on the HSV color wheel at 210 degrees. Azure is the hue that is halfway between blue and cyan. Its complementary color is orange.

Azure is a near synonym for the color blue.

Platform as a service

Your Applications

Your Applications

Use Case – Erratic Traffic MLB.com is not affiliated with Windows Azure – example only

Use Case – Erratic Traffic pgatour.com is not affiliated with Windows Azure – example only

Use Case – New Site Launch

Web farm that handles request from the internet IIS7 hosted web core Hosts ASP.NET XML based configuration of IIS7 Integrated managed pipeline Supports SSL Windows Azure code access security policy (CAS) for managed code Storage Services Public Internet Web Role Load Balancer

Web farm that handles request from the internet

IIS7 hosted web core

Hosts ASP.NET

XML based configuration of IIS7

Integrated managed pipeline

Supports SSL

Windows Azure code access security policy (CAS) for managed code

No inbound network connections Can read requests from queue in storage Windows Azure specific CAS policy for managed code Storage Service Public Internet Worker Role

No inbound network connections

Can read requests from queue in storage

Windows Azure specific CAS policy for managed code

Public Internet Web Role Storage Service Worker Role Load Balancer

Public Internet Web Role Storage Service Worker Role Load Balancer

Public Internet Web Role Storage Service Worker Role Load Balancer

… Fabric Compute Storage Application Blobs Queues HTTP Tables

Storage types: Blobs: a simple hierarchy of binary data Tables: hierarchical storage (not relational tables) Queues: allow message-based communication Access: Data is exposed via a RESTful interface Data can be accessed by: Windows Azure apps Other on-premises or cloud apps

Storage types:

Blobs: a simple hierarchy of binary data

Tables: hierarchical storage (not relational tables)

Queues: allow message-based communication

Access:

Data is exposed via a RESTful interface

Data can be accessed by:

Windows Azure apps

Other on-premises or cloud apps

Table . . . Table Table Entity . . . Entity Entity Property Property Property Name Type Value Storage Accounts

Access via REST You can’t use ordinary ADO.NET No SQL Query language based on the LINQ C# syntax No real joins, aggregates, etc. An unfamiliar hierarchical structure You can’t easily move relational data to it Supporting services are scarce, e.g., reporting There’s significant platform lock-in No schema And no views

Access via REST

You can’t use ordinary ADO.NET

No SQL

Query language based on the LINQ C# syntax

No real joins, aggregates, etc.

An unfamiliar hierarchical structure

You can’t easily move relational data to it

Supporting services are scarce, e.g., reporting

There’s significant platform lock-in

No schema

And no views

Massive scalability By effectively allowing scale-out data Highly durable Perspective: Applied to the right problem, Windows Azure Tables are a beautiful thing But they’re not the optimal solution for a majority of data storage scenarios Amazon, Google, and others do quite similar things It appears to be the state of the art for scale-out data

Massive scalability

By effectively allowing scale-out data

Highly durable

Perspective:

Applied to the right problem, Windows Azure Tables are a beautiful thing

But they’re not the optimal solution for a majority of data storage scenarios

Amazon, Google, and others do quite similar things

It appears to be the state of the art for scale-out data

What tables don’t do Not relational No Referential Integrity No Joins Limited Queries No Group by No Aggregations No Transactions What tables can do Cheap Very Scalable Flexible Durable If these are important to you, use:

Data stored in Tables A Table is a set of Entities (rows) An Entity is a set of Properties (columns) Entity has: PartitionKey – enables scalability RowKey – unique id within the partition (the only indexed property) Timestamp – for optimistic concurrency 255 properties for your data Max size of 1MB

Data stored in Tables

A Table is a set of Entities (rows)

An Entity is a set of Properties (columns)

Entity has:

PartitionKey – enables scalability

RowKey – unique id within the partition (the only indexed property)

Timestamp – for optimistic concurrency

255 properties for your data

Max size of 1MB

Queue Web Role ASP.NET, WCF, etc. Worker Role main() { … } 1) Receive work 2) Put work in queue 3) Get work from queue 4) Do work To scale, add more of either

POST http://myaccount. queue .core.windows.net/ myqueue /messages HTTP/1.1 200 OK Transfer-Encoding: chunked Content-Type: application/xml Date: Tue, 09 Dec 2008 21:04:30 GMT Server: Nephos Queue Service Version 1.0 Microsoft-HTTPAPI/2.0  <?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?> <QueueMessagesList> <QueueMessage> <MessageId> 5974b586-0df3-4e2d-ad0c-18e3892bfca2 </MessageId> <InsertionTime> Mon, 22 Sep 2008 23:29:20 GMT </InsertionTime> <ExpirationTime> Mon, 29 Sep 2008 23:29:20 GMT </ExpirationTime> <PopReceipt> YzQ4Yzg1MDIGM0MDFiZDAwYzEw </PopReceipt> <TimeNextVisible> Tue, 23 Sep 2008 05:29:20GMT </TimeNextVisible> <MessageText> PHRlc3Q+dG...dGVzdD4= </MessageText> </QueueMessage> </QueueMessagesList> DELETE http://myaccount. queue .core.windows.net/ myqueue /messages/messageid? popreceipt =YzQ4Yzg1MDIGM0MDFiZDAwYzEw Queue Msg 1 Msg 2 Msg 3 Msg 4 Worker Role Worker Role PutMessage Web Role GetMessage (Timeout) RemoveMessage Msg 2 Msg 1 Worker Role Msg 2

Queues guarantee a message will be processed at least once Allows recovery in the event of errors Roles normally consist of several tasks Get Message Insert to Table1 Insert to Table2 Could fail at any point Write your code to expect failures Inserts/Deletes might fail as already performed Data in inconsistent state (part processed)

Queues guarantee a message will be processed at least once

Allows recovery in the event of errors

Roles normally consist of several tasks

Get Message

Insert to Table1

Insert to Table2

Could fail at any point

Write your code to expect failures

Inserts/Deletes might fail as already performed

Data in inconsistent state (part processed)

Same tools you’re already used to using, namely Visual Studio Real Storage & Dev Store have differences Fixed schema No dynamic table creating String length nvarchar[1000] – String[64000] Dev Storage forces you to use certain patterns Can be difficult to debug issues in data store: Use logging and tracing Use Fiddler, SQL profiler and SDK docs

Same tools you’re already used to using, namely Visual Studio

Real Storage & Dev Store have differences

Fixed schema

No dynamic table creating

String length nvarchar[1000] – String[64000]

Dev Storage forces you to use certain patterns

Can be difficult to debug issues in data store:

Use logging and tracing

Use Fiddler, SQL profiler and SDK docs

Your Applications

Key developer challenges Many identity providers, many vendors, many protocols, complex semantics – tricky to get right Application strewn with one-off access logic Hard to get right, not agile, not compliant, many dead ends Approach Automate federation for a wide-range of identity providers and technologies Factor the access control logic from the application into manageable collection of rules Easy-to-use framework that ensures correct token processing

Key developer challenges

Many identity providers, many vendors, many protocols, complex semantics – tricky to get right

Application strewn with one-off access logic

Hard to get right, not agile, not compliant, many dead ends

Approach

Automate federation for a wide-range of identity providers and technologies

Factor the access control logic from the application into manageable collection of rules

Easy-to-use framework that ensures correct token processing

Key developer challenges Want to easily describe long-running processes Want modularity and nesting Easy to describe but in practice harder to run Hosting and scaling can be challenging Setup and installing, define scale-out approach, ensure long-running availability, manage upgrades, … Approach . NET 3.0/3.5/4.0 addresses key developer requests .NET Services makes it easy to deploy, manage and run Workflows

Key developer challenges

Want to easily describe long-running processes

Want modularity and nesting

Easy to describe but in practice harder to run

Hosting and scaling can be challenging

Setup and installing, define scale-out approach, ensure long-running availability, manage upgrades, …

Approach

. NET 3.0/3.5/4.0 addresses key developer requests

.NET Services makes it easy to deploy, manage and run Workflows

The problem: Exposing internal applications on the Internet isn’t easy Network address translation (NAT) and firewalls get in the way The solution: Service Bus provides a cloud-based intermediary between clients and internal applications It also provides a service registry that clients can use to find the services they need

The problem: Exposing internal applications on the Internet isn’t easy

Network address translation (NAT) and firewalls get in the way

The solution:

Service Bus provides a cloud-based intermediary between clients and internal applications

It also provides a service registry that clients can use to find the services they need

Service Bus Service Bus Registry Endpoints Organization Y Organization X Application Application 2) Discover endpoints 1) Register endpoints 3) Access application

Your Applications

SQL Services .NET Services Windows Azure Live Services Applications Applications Others Windows Mobile Windows Vista/XP Windows Server SQL Data Services Others (Future)

SQL Data Services Data Center Container . . . Container Container HTTP/ SOAP Entity . . . Entity Entity Property Property Property Name Type Value Authorities

Resources Jinesh Varia’s Cloud Computing Whitepaper – http://aws.amazon.com Azure Landing Site – http://azure.com Steve Marx - http://blog.smarx.com Azure Team - http://blogs.msdn.com/windowsazure

Jinesh Varia’s Cloud Computing Whitepaper – http://aws.amazon.com

Azure Landing Site – http://azure.com

Steve Marx - http://blog.smarx.com

Azure Team - http://blogs.msdn.com/windowsazure

Break

SESSION 2 Mesh and Live Services

Your Applications

Your Applications

Windows Live

Finished Services

Software Applications

… are a set of building blocks for handling user data and application resources which can connect your application to hundreds of millions of users. Storage Search & Geospatial Identity Directory Devices Applications Synchronization Mesh Services User Comms & Presence 1.2B 30B 367M 320M nnPB 460M

… are a set of building blocks for handling user data and application resources which can connect your application to hundreds of millions of users.

Why Live Services? Engage with over 450M users on Windows Live Integrate with experiences, relationships and data users care about Comprehensive Windows Live services API’s (incl. Messenger, feeds, contacts, search) Developer Tooling with integrated Live Services Open, interoperable programming interface and resource model across digital devices. Data synchronization and local accessibility of web / cloud data Connect across devices Embed social building blocks Jumpstart traffic

Virtual Earth

Eliminated calls to help center about locations Proof of concept in three weeks 24/7 technical support, easy development with online software development kit Chose Microsoft ® Virtual Earth ™ with the Microsoft MapPoint ® Web service Integrated location information to provide location hours and services Added 3-D maps and integrated driving directions FedEx wanted to increase its visibility and improve customer experience Wanted to add location information and rich features to its online store locater Stable, well-supported solution platform was a must FedEx improves customer experience with integrated mapping and location data “ With Virtual Earth, rather than clicking 10 times to find information, customers get it right away with the compass control.” SNarayanan Kasiarunachalam, Technical Advisor, FedEx Customer Logo

Eliminated calls to help center about locations

Proof of concept in three weeks

24/7 technical support, easy development with online software development kit

Chose Microsoft ® Virtual Earth ™ with the Microsoft MapPoint ® Web service

Integrated location information to provide location hours and services

Added 3-D maps and integrated driving directions

FedEx wanted to increase its visibility and improve customer experience

Wanted to add location information and rich features to its online store locater

Stable, well-supported solution platform was a must

Live Mesh

Quick Walkthrough and Demo (not nearly as impressive as the video)

External Commentary #1 Coolest technology demoed at Web 2.0 “ Live Mesh… could change the way PCs and other devices interact with Internet Services and each other…” “… most ambitious step yet in transforming its personal computer business “ Despite Microsoft’s reputation of being a closed-wall company, it is adopting simple protocols in its Live Mesh synchronization strategy.” “ Live Mesh represents the company Microsoft is trying to become…” Rob Enderle

“ Eventually, we’ll give customers instant access to any movie on any device with an Internet connection and a screen.” “More immediately, we could use this technology to reach into airports. Travelers could quickly download movies from Blockbuster kiosks to their portable media players.” Keith Morrow Chief Information Officer, Blockbuster

© 2009 Microsoft corporation. all rights reserved. this presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.