1. Service Bus
Pavlo Revenkov
EPAM Cloud Computing Competency Center
Email: pavlo_revenkov@epam.com
Skype: rp_risingstar

2. Windows Azure Queue
2
Worker-role
Web-role
Worker-role
Web-role
Worker-role

3. Windows Azure Services Bus
Worker-role
Web-role
Queue #1
Worker-role
Web-role
Topic
Queue #N
Worker-role
3

4. 4
Windows Azure
Queues
Windows Azure
Service Bus Queues
- No ordering guarantee
- First-In-First-Out
- At-Least-Once delivery
- At-Least-Once, At-Most-Once
- Message size up to 64 KB
- Message size up to 256 KB
- Queue size up to 100 TB
- Queue size up to 5 GB
- One-to-one message delivery
- Publish/Subscriber
- Time-to-live up to 7 days
- Time-to-live unlimited
- In-place update
- No in-place update

5. Management
5
URI: sb://<namespace>.servicebus.windows.net/
Namespace Manager
Management
Queues
Topics
Subscriptions
QueueClient
TopicClient
SubscriptionClient
Send
Receive

6. Workflow
6
var namespaceManager =
NamespaceManager.CreateFromConnectionString(
CloudConfigurationManager.GetSetting(connectionString));
if (!namespaceManager.SubscriptionExists(path))
namespaceManager.CreateSubscription(new SubscriptionDescription(path));
var subscriptionClient = Microsoft.ServiceBus.Messaging.SubscriptionClient
.CreateFromConnectionString(...);
var message = subscriptionClient.Receive();
try
{
...
message.Complete();
}
catch (Exception)
{
message.Abandon();
}

7. Service Bus Relay
7
Worker-role
Web-role
WCF-service
Client

8. Configuration
Everything you need is to change “*.config” file!
<extensions>
<bindingExtensions>
<add name=“netTcpRelayBinding”
type=“Microsoft...NetTcpRelayBindingCollectionElement” />
...
<behaviorExtensions>
<add name=“transportClientEndpointBehavior”
type=“Microsoft...TransportClientEndpointBehaviorElement” />
...
<behavior name=“sbTokenProvider”>
<transportClientEndpointBehavior>
<tokenProvider>
<sharedSecret issuerName=“[NAME]” issuerSecret=“[KEY]” />
...
<endpoint contract=“<contractname>”
binding=“netTcpRelayBinding”
address=“sb://<namespace>.servicebus.windows.net/<servicename>”
behaviorConfiguration=“sbTokenProvider” />
8

9. Demo
9

10. References
10
How to use the Service Bus


windowsazure.com/en-us/develop/net/how-to-guides/service-bus-queues/
windowsazure.com/en-us/develop/net/how-to-guides/service-bus-topics/
Hybrid application using Service Bus Relay

windowsazure.com/en-us/develop/net/tutorials/hybrid-solution/
Windows Azure Queues vs. Windows Azure Service Bus

msdn.microsoft.com/en-us/library/windowsazure/hh767287.aspx

11. Questions?
11