Christian Weyer Solution Architect thinktecture [email protected].

Cloud Computing

Introduction to Azure Services & Windows AzureChristian WeyerSolution [email protected]

Outline

Azure Services Platform overviewWindows Azure.NET Services: Access Control Service.NET Services: Service Bus.NET Services: Workflow Service

2

Azure™ Services Platform

Azure Services Platform

3

A look inside Azure

4

Windows Azure Intro

5

Cloud service developers’ every day tasks

6

Business logic

Datacenter

Respond to hardware failures

Add storage capacity

Handle increase in traffic

Diagnose service failures

Apply OS patches

Perform live upgrade for new feature

Expand to new locale

Service “glue”and operations

…

An OS for the cloud

7

….Service 1 Service 2 Service NService 3

……

Windows Azure fabric controller

8

Switches

Highly-availableFabric Controller

Out-of-band communication – hardware control In-band communication

– software control

WS08 Hypervisor

VMVM

VM

Control VM

Service RolesControl

Agent

WS08

Node can be a VM or a physical machine

Load-balancers

Windows Azure hosting model

9

Load Balancer Channel

Endpoint

Interface

Directory Resource

Fundamental Services

Load Balancer

Public Internet

Background Worker Role

Front-endWeb Role

Windows Azure durable storage

Durable, scalable, available storeSimple abstractions

Simple interfaceRESTADO.NET Data ServicesMaybe a .NET API (wrapper)

10

Blobs Tables

…

Queues

Windows Azure SDK

Includes a local execution environmentDevelopment FabricDevelopment Storage

Visual Studio 2008 supportWeb Role templateWorker Role templateDeployment add-in

Command line tools

11

.NET Services:Access Control Service

12

Access Control Service: Big picture

13

Your CustomersYour App

Acce

ss C

ontr

ol

Serv

ice

<Any ID Provider>

Live ID Users

XYZ Domain Users

Who is the caller?

What can they

do?

UI

Integrate

ServiceBus

Orchestrate

Store

WF

Data

.NET Services:Service Bus

14

Well known pattern: Enterprise Service Bus

15

Service Orchestration

Service Registry

NamingFederated Identity and

Access Control Messaging Fabric

CRM

Customers Leads

TrendsCampaigns

Supply Chain

InventoryOrder Entry

PlanningPurchasing

Point Of Sale

POS Integration

Product Catalog

ReturnsWeb Store

Taking to the cloud: Internet Service Bus

Service Orchestration

Service Registry

NamingFederated Identity and

Access Control Messaging Fabric

Clients MS/3rd Party ServicesOn-Premise ESB

ESBDesktop, RIA, Web

Desktop, RIA, & Web

Your Services

16

Communication & connectivity challenges

Not every application is a server applicationa number of different app styles need to communicateproper DMZ is seldom in place

Advanced communication patternspeer-to-peerpublish/subscribeenabled for cross-platform and -technology

IPv4 address shortagedynamic IP address allocationNetwork Address Translation (NAT)

17

Sender Receiver?Machine Firewall

Network Firewall

Network Address Translation

Dynamic IP

Possible Service Bus usage scenarios

SyndicationPeer-To-PeerCallbacks, notificationsMulti-casting, Pub/SubLight-weight orchestrationRemote control

18

‘Communication Swiss army knife’

19

.NET

Servi

ces

Servi

ce B

us

ServiceClient

RelayedConnection

Connect Open

Authenticate

Authenticate

1

3

24

ACS

Service Bus

Trust

.NET Services

Connectivity through the cloud – bird‘s eye view

20

DirectConnection(optional)

5

6

Relay mode

Service Bus

Sender Receiver

sb://servicebus.windows.net/services/solution/a/b/

outb

ound

conn

ect

TCP/SSL 828

BackendNamingRoutingFabric

Frontend

Nodes TCP/SSL 808/828

outbound connect bidi socket

Msg Msg

NATFirewallDynamic IP

SubscribeRoute

21

Using the Service Bus

Programming model is WCF-based

Corresponding WCF Binding Service Bus Relay Binding

BasicHttpBinding BasicHttpRelayBinding

WebHttpBinding WebHttpRelayBinding

WSHttpBinding WSHttpRelayBinding

WS2007HttpBinding WS2007HttpRelayBinding

WSHttpContextBinding WSHttpRelayContextBinding

WS2007HttpFederationBinding WS2007HttpRelayFederationBinding

NetTcpBinding NetTcpRelayBinding

NetTcpContextBinding NetTcpRelayContextBindingn/a [loosely related to NetMsmqBinding] NetOnewayRelayBindingn/a [loosely related to NetTcpPeerBinding] NetEventRelayBinding

22

.NET Services: Workflow Service

23

Your OwnHost

“Dublin”(extension to

Windows Server & IIS/WAS)

.NET Workflow Service

Hosting workflows

24

WF

Simple service orchestration

25

http://...

Service Bus

Resources

Email Christian [email protected]

Weblog Christian Weyerhttp://blogs.thinktecture.com/cweyer

thinktecturehttp://www.thinktecture.com

26

http://www.thinktecture.com/

[email protected]

http://blogs.thinktecture.com/cweyer/

In-depth support and consulting for

software architects and developers

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