© 2015 IBM Corporation

AME-4181: Introducing MQ LightRob Nicholson

Alan Chat

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Performance is based on measurements and projections using standard IBM benchmarks in a controlled environment. The actual throughput or performance that any user will experience will vary depending upon many factors, including considerations such as the amount of multiprogramming in the user’s job stream, the I/O configuration, the storage configuration, and the workload processed. Therefore, no assurance can be given that an individual user will achieve results similar to those stated here.

1

Agenda

• High level overview & Positioning.

• MQ Light software

• First Five Minute Experience

• Developer Centric Tooling

• Programming Language Support

• Demo

2

IBM Messaging

Deliver Messaging Backbone for Enterprise

Focus on traditional MQ values, rock-solid enterprise-class service, ease-of-operation, breadth of platform coverage, availability, z/OS exploitation

Enable developers to build more scalable, responsive applications

Focus on app use cases, breadth of languages, ease-of-deployment, micro services, integration with developer frameworks

MQ Light : Software and Cloud

• Messaging that application developers

will love to use, helping them make

responsive applications that scale easily

• 3 ways to get it:

• MQ Light software download

• Bluemix service• Statement of Direction for support in MQ

Version 8.

• Open APIs crafted to feel natural in a

growing range of popular languages

• Tooling that makes modular app

development easy

4

The journey that got us here

5

Andy

Developer

Iain

Infrastructure

Guy

I want to execute code

without taxing my

Web app processes

My job is run a

communications service

for my customers’ apps

Some

Thing

My Apps WorkersMessaging

Backbone

My Customers’ Apps

The journey that got us here…

6

Ruby

Node.js

Python

C

C++

Java

C#

Perl

Go

Clojure

Lua

Erlang Scala

PHP

Use cases

7

Connecting external

systems

Event driven

Worker offload

• Posting video to multiple social

sites after transcoding

• Respond to external events

• Updating external booking app

• Posting updates to twitter

• Image processing

• Text analytics

Trend in Cloud Application Architecture

Moving towards…Delivering global scale applications with

unprecedented agility by de-composing

apps into a microservices architecture

Challenges developing microservices :Agility come from “2 pizza” teams operating completely

independently, owning the whole technology stack,

deploying on their own schedules, writing services

that will scale when demand dictates

8

Large monolithic Applications

Moving away from…Large applications with single develop,

test, deploy cycles using single

technology stacks

Deployment Options

9

MQ Light Service

for Bluemix

WebSphere MQ[open Beta]

“MQ Light”

Agenda

• High level overview & Positioning.

• MQ Light software

• First Five Minute Experience

• Developer Centric Tooling

• Programming Language Support

• Demo

10

First Five minute experience

• Download and get coding within 5 minutes

• Linux-x86-64, Windows7 64 bit, Mac OSX

• Unzip install

• Unlimited time developer license (unsupported).

• No administration; just code and go

• API client libraries installed using language package manager

• Tutorials and examples in their languages, relevant to actual use

11

MQ Light Image DockerHub Registry

12

13

Docker

• A Docker image for MQ Light is now available on Docker

Hub.

• https://registry.hub.docker.com/u/ibmimages/mqlight/

• MQ Light runs inside a container, isolated from the rest of

your system:

• Process isolation – all the processes associated

with MQ Light are run in their own process space,

and can’t see any other processes running on your

server

• Resource isolation – you can limit the amount of

memory and CPU you allocate to a container

• Dependency isolation - all software which MQ

Light depends on is included in the MQ Light image,

except the Linux kernel itself.

Source: If applicable, describe source origin

IBM Presentation Template Full Version

Docker also helps with fast, reliable deployments in cloud environments

One command to download and run MQ Light:

– docker run –e LICENSE=accept –P ibmimages/mqlight

Tooling to assist development

• Used to answer questions like :

• Where did this message come from?

• Where did that message go?

• What messages has my app consumed?

14

Programming Language Support.

A. Simple Messaging Model

B. Idiomatic clients in fully supported languages

• IBM Design Thinking applied here.

C.Compatibility with open source AMQP 1.0 clients for other

languages.

• Apache Qpid Proton

15

Programming Language Support.

A. Simple Messaging Model

B. Idiomatic clients in fully supported languages

• IBM Design Thinking applied here.

C.Compatibility with open source AMQP 1.0 clients for other

languages.

• Apache Qpid Proton

16

17

MQ Light Messaging Model – Send Messages

Applications send messages to a topic.

A topic is an address in the topic space

either flat or arranged hierarchically.

1. Send (‘/test/a’, “Hello”);

2. Send (‘/test/a’, “World!”);

Topic Address Space

Sender application

18

MQ Light Messaging Model – Simple Receive

•Applications receive messages by creating a destination with a pattern

which matches the topics they are interested in.

•Pattern matching scheme based on WMQ.

1. Send (‘/test/a’, “Hello”);

2. Send (‘/test/a’, “World!”);

1. Hello

2. World!

Topic Address Space

Sender application

DESTINATION

Pattern=/test/a

19

MQ Light Messaging Model – Pub/Sub

•Multiple destinations can be created which match the same topic

•Pub/Sub style.

DESTINATION

1. Send (‘/test/a’, “Hello”);

2. Send (‘/test/a’, “World!”);

1. Hello

2. World!

1. Hello

2. World!

Topic Address Space

Sender application

DESTINATION

Pattern=/test/a

Pattern=/test/#

Client 1

Client 2

20

MQ Light Messaging Model – Persistent destinations

•Destinations persist for a defined “time to live” after receiver detaches.

1. Send (‘/test/a’, “Hello”);

2. Send (‘/test/a’, “World!”);

Topic Address Space

Sender application

Hello

World!

DESTINATION

Pattern=/test/a

Disconnected client

21

MQ Light Messaging Model – Sharing

•Clients attaching to the same topic pattern and share name attach to the

same shared destination.

DESTINATION1. Send (‘/test/a’, “Hello”);

2. Send (‘/test/a’, “World!”);

1. Hello

2. World!

1. Hello

2. World!

SHARING

Topic Address Space

Sender application

DESTINATION

Pattern=/test/#

Pattern=/test/#

Share=myshare

Client 1

Client 2

Client 3

22

MQ Light Messaging Model – Client takeover

1. Send (‘/test/a’, “Hello”);

Hello

Topic Address Space

Sender application

DESTINATION

Pattern=/test/#

Client 1

World!

Client 1

2. Send (‘/test/a’, “World!”);

•Applications connect to MQ Light service specify (optional) client ID.

•Re-using the same client ID pre-empts the original connection.

•Ideal for worker takeover in the cloud.

MQ Light Messaging Model

• Messages

• Payload is either Text or Binary.

• Content-type is used by clients to transfer JSON

• Per message time to live.

• Message delivery model

• At most once delivery (QoS 0)

• At least once delivery (QoS 1)

• Acknowledge & Reject messages

• Control over the number of unacknowledged messages

delivered. (link credit)

23

Programming Language Support.

A. Simple Messaging Model

B. Idiomatic clients in fully supported languages

• IBM Design Thinking applied here.

C.Compatibility with open source AMQP 1.0 clients for other

languages.

• Apache Qpid Proton

24

Programming languages

Language Availability Notes

Node.js Supported IBM Client.

Ruby IBM Client in Beta

Java (Non Blocking) IBM Client in Beta

Python IBM Client in Beta

PHP Qpid Proton

Scala Can use Java non

Blocking client.

Forum users report this

working.

C/C++ Qpid Proton

Perl Qpid Proton

25

MQ Light Node.JS API

• Installable from NPM

• Fully non blocking – Node.JS style

• Fluent programming style - wrappable into promises.

• Focussed on code simplicity.

• Client seamlessly retries across cloud endpoints

26

# Receive:

var mqlight = require('mqlight');

var recvClient = mqlight.createClient({service: 'amqp://localhost'});

recvClient.on('started', function() {

recvClient.subscribe('news/technology');

recvClient.on('message', function(data, delivery) {

console.log(data);

});

});

# Send:

var mqlight = require('mqlight');

var sendClient = mqlight.createClient({service: 'amqp://localhost'});

sendClient.on('started', function() {

sendClient.send('news/technology', 'Hello World!');

});

MQ Light Ruby API (Beta)

• Installable from rubygems.org

• Synchronous/blocking client.

• Bluemix connection support

• Backlog• Auto reconnect.

• Asynchronous non blocking

• TLS

27

# Receive:

require 'mqlight'

client = Mqlight::BlockingClient.new('amqp://localhost')

client.subscribe('news/technology')

delivery = client.receive('news/technology')

puts delivery.data

# Send:

require 'mqlight'

client = Mqlight::BlockingClient.new('amqp://localhost')

client.send('news/technology', 'Hello World!')

MQ Light Python API (Beta)

• Installable from rubygems.org

• Non blocking

• Client seemlessly retries across cloud endpoints

• Backlog• TLS

28

# Receive:

require 'mqlight'

client = Mqlight::BlockingClient.new('amqp://localhost')

client.subscribe('news/technology')

delivery = client.receive('news/technology')

puts delivery.data

# Send:

require 'mqlight'

client = Mqlight::BlockingClient.new('amqp://localhost')

client.send('news/technology', 'Hello World!')

MQ Light Non Blocking Java API (beta)

• Installable using Maven

• Code is opensource on github.

• Non blocking

• Client seemlessly retries across cloud endpoints

• Backlog

• TLS

29

void send() {

NonBlockingClient.create("amqp://localhost", new NonBlockingClientAdapter<Void>() {

public void onStarted(NonBlockingClient client, Void context) {

client.send("news/technology", "Hello World!", null);

}

}, null);

}

void receive() {

NonBlockingClient.create("amqp://localhost", new NonBlockingClientAdapter<Void>() {

public void onStarted(NonBlockingClient client, Void context) {

client.subscribe("news/technology", new DestinationAdapter<Void>() {

public void onMessage(NonBlockingClient client, Void context, Delivery delivery) {

if (delivery.getType() == Delivery.Type.STRING)

System.out.println(((StringDelivery)delivery).getData());

}

}, null, null);

}

}, null);

}

Programming Language Support.

A. Simple Messaging Model

B. Idiomatic clients in fully supported languages

• IBM Design Thinking applied here.

C.Compatibility with open source AMQP 1.0 clients for other

languages.

• Apache Qpid Proton

30

Agenda

• High level overview & Positioning.

• MQ Light software

• First Five Minute Experience

• Developer Centric Tooling

• Programming Language Support

• Demo

31

Summary

• MQ Light : https://developer.ibm.com/messaging/mq-light/

• MQ Light for Bluemix : www.bluemix.net

• Messaging designed for developers to create responsive and

scalable applications

• Simplified messaging API

• Easy to acquire and incorporate into applications

• Development focused tooling

• Range of application deployment options

• MQ Light

• IBM MQ [Statement of Direction]

• MQ Light cloud service in BlueMix

32

IBM MQ Sessions this week

10:30 - 12:00 13:15 - 14:15 14:30 - 15:30 16:00 - 17:00 17:15 - 18:15

Mo

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9:00 - 10:00 10:30 - 11:30 11:45 - 12:45 14:00 - 15:00 15:15 - 16:15 16:45 - 17:45

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Th

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For Additional Information

• IBM Training

• http://www.ibm.com/training

• IBM WebSphere

• http://www.ibm.com/software/websphere/

• http://www.ibm.com/software/products/ibm-mq

• IBM developerWorks

• http://www.ibm.com/developerworks/websphere

• https://www.ibm.com/developerworks/community/blogs/messaging

• WebSphere forums and community

• http://www.ibm.com/developerworks/websphere/community/

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