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Controlling Physical Devices on the Real Time Web: Kaazing IoT Talk at JavaOne 2013

Two visionary Kaazing engineers, David Witherspoon and Prashant Khanal, gave an exciting presentation at JavaOne this year: JMS, WebSocket, and the Internet of Things — Controlling Physical Devices on the Real Time Web.

DSC_1196

David and Prashant led the audience through the steps of building connected Things by combining open source hardware, a Raspberry Pi, with real-time Web communication and messaging, powered by Kaazing.

They started off by demonstrating Kaazing’s remote controlled truck. A remote member of the team joined the presentation over Skype and used a Web browser on his smart phone to control the truck in the conference room.

IMG_6014

Next, they walked the audience through building similar M2M systems. David and Prashant used the simplest “machines” for their demonstrations: a light bulb and a switch, each connected to a Raspberry Pi. All it took was three basic steps.

DSC_1197

1. Connecting Hardware with Software – the Magic of the Raspberry Pi

The software stack installed on the two Raspberry Pis:

This step consisted of two sub-steps. First, Prashant and David demonstrated how to leverage software running on the Pi to turn the light on/off. Then, they showed how the Raspberry Pi can detect the on/off state changes of the switch. It’s important to note that in this step, a switch was connected to a Pi and a lightbulb was connected to another Pi; the switch and the lightbulb (the two Things) are not yet connected.

Watch David demonstrate how software controls the two hardware pieces, the light and the switch.

Source Code for the Light

light

package com.kaaazing.demo.light;

import com.pi4j.io.gpio.GpioController;
import com.pi4j.io.gpio.GpioFactory;
import com.pi4j.io.gpio.GpioPinDigitalOutput;
import com.pi4j.io.gpio.PinState;
import com.pi4j.io.gpio.RaspiPin;

public class Light {

	private final GpioController gpio;
	private final GpioPinDigitalOutput gpioPin;

	public Light() {
		gpio = GpioFactory.getInstance();
		gpioPin = gpio.provisionDigitalOutputPin(RaspiPin.GPIO_01,
				"MyLight", PinState.LOW);
	}

	public void on() {
		gpioPin.high();
		System.out.println("Light on");
	}

	public void off() {
		gpioPin.low();
		System.out.println("Light off");
	}

	public void shutdown() {
		gpio.shutdown();
	}

	public static void main(String[] args) {
		Light lightController = new Light();
		System.out.println("Light controller initialized");
		try {
			Thread.sleep(2000);
			lightController.on();
			Thread.sleep(2000);
			lightController.off();
			Thread.sleep(2000);
			lightController.on();
			Thread.sleep(2000);
			lightController.off();
		} catch (InterruptedException e) {
			e.printStackTrace();
		} finally {
			lightController.shutdown();
		}
	}

}

First, in lines 16-17 a General Purpose I/O (GPIO) output pin is initialized. Then, in the on() and off() methods we set its value to high (line 21) and low (line 26). Eventually, we invoke the on() and off() methods.

Note: For the entire source code, scroll to the bottom of this post.

Source Code for the Switch

switch

package com.kaaazing.demo.toggle;

import java.util.concurrent.CopyOnWriteArrayList;

import com.pi4j.io.gpio.GpioController;
import com.pi4j.io.gpio.GpioFactory;
import com.pi4j.io.gpio.GpioPinDigitalInput;
import com.pi4j.io.gpio.PinPullResistance;
import com.pi4j.io.gpio.PinState;
import com.pi4j.io.gpio.RaspiPin;
import com.pi4j.io.gpio.event.GpioPinDigitalStateChangeEvent;
import com.pi4j.io.gpio.event.GpioPinListenerDigital;

public class Toggle {
	private final GpioController gpio;
	private final GpioPinDigitalInput gpioPin;
	private final CopyOnWriteArrayList listeners;

	public Toggle() {
		listeners = new CopyOnWriteArrayList();

		gpio = GpioFactory.getInstance();
		gpioPin = gpio.provisionDigitalInputPin(RaspiPin.GPIO_00,
				PinPullResistance.PULL_DOWN);
		gpioPin.addListener(new GpioPinListenerDigital() {

			@Override
			public void handleGpioPinDigitalStateChangeEvent(
					GpioPinDigitalStateChangeEvent event) {
				notifyListeners(event.getState());
			}
		});
	}

	private void notifyListeners(PinState state) {
		if (state == PinState.HIGH) {
			System.out.println("Toggle on");
		} else {
			System.out.println("Toggle off");
		}

		for (ToggleListener listener : listeners) {
			if (state == PinState.HIGH) {
				listener.on();
			} else {
				listener.off();
			}
		}
	}

	public void registerListener(ToggleListener listener) {
		listeners.add(listener);
		// send initial state
		if (gpioPin.getState() == PinState.HIGH) {
			listener.on();
		} else {
			listener.off();
		}
	}

	public void shutdown() {
		gpio.shutdown();
	}

	public static void main(String[] args) {
		Toggle toggle = new Toggle();
		System.out.println("Running toggle for 20 seconds");
		try {
			Thread.sleep(20000);
		} catch (InterruptedException e) {
			e.printStackTrace();
		} finally {
			toggle.shutdown();
		}
		System.out.println("Exiting");
	}
}

 

package com.kaaazing.demo.toggle;

public interface ToggleListener {
	public void on();
	public void off();
}

For the switch, first we initialize an input pin, and then write the listener code waiting for the toggle event.

Note: For the entire source code, scroll to the bottom of this post.

2. Pub-Sub Messaging to Build a Loosely Coupled System – Introducing the Message Broker

Next, David and Prashant demonstrated how to connect the lightbulb and its Pi with the switch and its Pi. While it’s easy enough to connect the switch and the lightbulb directly, they wanted to show the power of the publish-subscribe (pub-sub) messaging model, which lets you build a real-life system. By using a pub-sub model, one Thing can send a message to another Thing via a message broker to send signals to each Thing. To illustrate this, David and Prashant used the open source Apache ActiveMQ JMS message broker that ships pre-packaged with the JMS Edition of Kaazing WebSocket Gateway, but you can use a variety of JMS message brokers to achieve the same result. Kaazing WebSocket Gateway integrates with a number of different JMS message brokers, including TIBCO Enterprise Message Service, Informatica Ultra Messaging, IBM WebSphere MQ, JBoss Messaging, Open MQ Messaging, and Oracle WebLogic JMS.

In this case, the Pi attached to the switch is the publisher, and the Pi attached to the light is the subscriber.

message-broker

Watch David demonstrate the connected scenario.

Source Code for the Light

package com.kaaazing.demo.light;

import java.net.URI;

import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.Topic;

import org.apache.activemq.ActiveMQConnectionFactory;

import com.kaaazing.demo.util.AbstractJmsMessenger;
import com.kaaazing.demo.util.DefaultExceptionListener;

public class LightJmsTcpController extends AbstractJmsMessenger {

    private final ActiveMQConnectionFactory connectionFactory;
    private final Connection connection;
    private final Session session;
    private final Topic topic;
    private final MessageConsumer consumer;
    private final Light light;
    private boolean running = true;

    public LightJmsTcpController() {
        try {
            light = new Light();

            connectionFactory = new ActiveMQConnectionFactory(URI.create("tcp://"
                    + BROKER_HOSTNAME + ":61616"));
            connection = connectionFactory.createConnection();
            connection.setExceptionListener(new DefaultExceptionListener());
            session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
            topic = session.createTopic(LIGHT_TOPIC);
            consumer = session.createConsumer(topic);
            consumer.setMessageListener(new MessageListener() {

                @Override
                public void onMessage(Message message) {
                    try {
                        TextMessage textMessage = (TextMessage) message;
                        String messageData = textMessage.getText();
                        System.out.println("message received: " + messageData);
                        if (messageData.equals(ON_MESSAGE)) {
                            light.on();
                        } else if (messageData.equals(OFF_MESSAGE)) {
                            light.off();
                        } else if (messageData.equals(SHUTDOWN)) {
                            System.out.println("shutting down");
                            shutdown();
                        }
                    } catch (JMSException e) {
                        e.printStackTrace();
                        shutdown();
                    }
                }
            });

            connection.start();
            System.out.println("Light initialized");
        } catch (JMSException e) {
            shutdown();
            throw new RuntimeException(e.getMessage());
        }
    }

    private void shutdown() {
        running = false;
        if (light != null) {
            light.shutdown();
        }
        if (connection != null) {
            try {
                System.out.println("Cleaning up resources");
                connection.close();
            } catch (JMSException e) {
                throw new RuntimeException(e.getMessage());
            }
        }
    }

    public static void main(String[] args) throws JMSException, InterruptedException {
        LightJmsTcpController lightController = new LightJmsTcpController();
        while (lightController.isRunning()) {
            Thread.sleep(1000);
        }
        System.out.println("Exiting Application");

    }

    public boolean isRunning() {
        return running;
    }

}

In this demo first we create an instance of the Light class (line 31), then a TCP connection to ActiveMQ (lines 33-35). Then, we create a JMS session (line 37), a topic (line 38), and a consumer (line 39), and define the message listener (line 40) that’s invoked when a new message arrives. Depending on the message, the light is turned on or off (lines 48-55).

Note: For the entire source code, scroll to the bottom of this post.

Source Code for the Switch

package com.kaaazing.demo.toggle;

import java.net.URI;

import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.Topic;

import org.apache.activemq.ActiveMQConnectionFactory;

import com.kaaazing.demo.util.AbstractJmsMessenger;
import com.kaaazing.demo.util.DefaultExceptionListener;

public class ToggleJmsTcpListener extends AbstractJmsMessenger implements
        ToggleListener {

    private final ActiveMQConnectionFactory connectionFactory;
    private final Connection connection;
    private final Session session;
    private final Topic topic;
    private final MessageProducer producer;
    private final Toggle toggle;
    private final MessageConsumer consumer;
    private boolean running = true;

    public ToggleJmsTcpListener() {

        try {
            toggle = new Toggle();

            connectionFactory = new ActiveMQConnectionFactory(URI.create("tcp://"
                    + BROKER_HOSTNAME + ":61616"));
            connection = connectionFactory.createConnection();
            connection.setExceptionListener(new DefaultExceptionListener());
            session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
            topic = session.createTopic(LIGHT_TOPIC);
            producer = session.createProducer(topic);

            // clean shutdown listener
            consumer = session.createConsumer(topic);
            consumer.setMessageListener(new MessageListener() {
                @Override
                public void onMessage(Message message) {
                    try {
                        TextMessage textMessage = (TextMessage) message;
                        String messageData = textMessage.getText();
                        if (messageData.equals(SHUTDOWN)) {
                            System.out.println("shutting down");
                            shutdown();
                        }
                    } catch (JMSException e) {
                        e.printStackTrace();
                        shutdown();
                    }
                }
            });

            connection.start();
            System.out.println("Toggle initialized");
            toggle.registerListener(this);

        } catch (JMSException e) {
            shutdown();
            throw new RuntimeException(e.getMessage());
        }
    }

    @Override
    public void on() {
        try {
            System.out.println("Sending on message");
            producer.send(session.createTextMessage(ON_MESSAGE));
        } catch (JMSException e) {
            e.printStackTrace();
            shutdown();
        }
    }

    @Override
    public void off() {
        try {
            System.out.println("Sending off message");
            producer.send(session.createTextMessage(OFF_MESSAGE));
        } catch (JMSException e) {
            e.printStackTrace();
            shutdown();
        }
    }

    private void shutdown() {
        running = false;
        if (toggle != null) {
            toggle.shutdown();
        }
        if (connection != null) {
            try {
                System.out.println("Cleaning up resources");
                connection.close();
            } catch (JMSException e) {
                throw new RuntimeException(e.getMessage());
            }
        }
    }

    public static void main(String[] args) throws JMSException,
            InterruptedException {
        ToggleJmsTcpListener toggleJmsTcpListener = new ToggleJmsTcpListener();
        while (toggleJmsTcpListener.isRunning()) {
            Thread.sleep(1000);
        }
        System.out.println("Exiting Application");
    }

    public boolean isRunning() {
        return running;
    }

}

Similar to the lightbulb, for the switch we create a TCP connection to ActivemMQ (line 37-39). After creating the JMS session (line 41), a topic (line 42), we create a JMS message producer (line 43). When the switch is toggled, we create and send a text message (lines 78 and 89) on the topic.

Note: For the entire source code, scroll to the bottom of this post.

3. Extending the Reach to the Web – WebSocket Transport with Kaazing WebSocket Gateway

The challenge with a TCP-based system, like the one outlined in Step 2, is that TCP has difficulty connecting isolated networks. To use TCP connections, you must open ports on firewalls and address the challenges of penetrating network intermediaries. Also, connectivity with mobile and Web applications raises issues. If you want to build a truly global system, you must ensure that your Things are always connected, no matter what.

The good news is that you can very easily extend your JMS-based applications to the Web, simply by introducing Kaazing WebSocket Gateway in the picture. With Kaazing, you can connect your devices in a secure fashion with low latency using open industry standard Web communication: HTML5 WebSocket.

WebSocket is a natural choice for asynchronous scenarios with event-driven architecture, such as the switch and the light. As the switch is toggled (event), the light (subscriber) is notified of the event asynchronously (without explicitly polling). It’s easy to see that using traditional synchronous Web programming models, like REST, don’t fit the bill as well as the asynchronous pattern that WebSocket supports.

For connected devices, reliability is critical. The moment a connection is lost due to network disruption or other errors, the Kaazing client will automatically try to restore that connection. The Kaazing client libraries will also re-subscribe to any active subscriptions prior to the connection failure.

In this demo, the switch and its Pi can be in Spokane, WA, while the light and its Pi can reside in Kathmandu, Nepal. As long as they’re connected to the public Internet, the JMS messages can traverse the Web, and the switch can control the light.

message-broker-kaazing

Watch David demonstrate the WebSocket connected scenario.

Source Code for the Light

package com.kaaazing.demo.light;

import java.net.URI;

import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.Topic;

import com.kaaazing.demo.util.AbstractJmsMessenger;
import com.kaaazing.demo.util.DefaultExceptionListener;
import com.kaazing.gateway.jms.client.stomp.StompConnectionFactory;

public class LightJmsWsController extends AbstractJmsMessenger {

	private final StompConnectionFactory connectionFactory;
	private final Connection connection;
	private final Session session;
	private final Topic topic;
	private final MessageConsumer consumer;
	private final Light light;
	private boolean running = true;

	public LightJmsWsController() {
		try {
			light = new Light();

			connectionFactory = new StompConnectionFactory(URI.create("ws://"
					+ GATEWAY_HOST + "/jms"));
			connection = connectionFactory.createConnection();
			connection.setExceptionListener(new DefaultExceptionListener());
			session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
			topic = session.createTopic(LIGHT_TOPIC_WS);
			consumer = session.createConsumer(topic);
			consumer.setMessageListener(new MessageListener() {

				@Override
				public void onMessage(Message message) {
					try {
						TextMessage textMessage = (TextMessage) message;
						String messageData = textMessage.getText();
						System.out.println("websocket message received: " + messageData);
						if (messageData.equals(ON_MESSAGE)) {
							light.on();
						} else if (messageData.equals(OFF_MESSAGE)) {
							light.off();
						} else if (messageData.equals(SHUTDOWN)) {
							System.out.println("shutting down");
							shutdown();
						}
					} catch (JMSException e) {
						e.printStackTrace();
						shutdown();
					}
				}
			});

			connection.start();
			System.out.println("Light initialized");
		} catch (JMSException e) {
			shutdown();
			e.printStackTrace();
			throw new RuntimeException(e.getMessage());
		}
	}

	private void shutdown() {
		running = false;
		if (light != null) {
			light.shutdown();
		}
		if (connection != null) {
			try {
				System.out.println("Cleaning up resources");
				connection.close();
			} catch (JMSException e) {
				throw new RuntimeException(e.getMessage());
			}
		}
	}

	public static void main(String[] args) throws JMSException,
			InterruptedException {
		LightJmsWsController lightController = new LightJmsWsController();
		while (lightController.isRunning()) {
			Thread.sleep(1000);
		}
		System.out.println("Exiting Application");

	}

	public boolean isRunning() {
		return running;
	}

}

Notice that when switching from TCP to WebSocket, the only change you have to make to your code is replace the connection factory class, the protocol, and the port number.

Note: For the entire source code, scroll to the bottom of this post.

Source Code for the Switch

package com.kaaazing.demo.toggle;

import java.net.URI;

import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.Topic;

import com.kaaazing.demo.util.AbstractJmsMessenger;
import com.kaaazing.demo.util.DefaultExceptionListener;
import com.kaazing.gateway.jms.client.stomp.StompConnectionFactory;

public class ToggleJmsWsListener extends AbstractJmsMessenger implements
        ToggleListener {

    private final StompConnectionFactory connectionFactory;
    private final Connection connection;
    private final Session session;
    private final Topic topic;
    private final MessageProducer producer;
    private final Toggle toggle;
    private final MessageConsumer consumer;
    private boolean running = true;

    public ToggleJmsWsListener() {

        try {
            toggle = new Toggle();
			connectionFactory = new StompConnectionFactory(URI.create("ws://"
                    + GATEWAY_HOST + "/jms"));
            connection = connectionFactory.createConnection();
            connection.setExceptionListener(new DefaultExceptionListener());
            session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
            topic = session.createTopic(LIGHT_TOPIC_WS);
            producer = session.createProducer(topic);

            // clean shutdown listener
            consumer = session.createConsumer(topic);
            consumer.setMessageListener(new MessageListener() {
                @Override
                public void onMessage(Message message) {
                    try {
                        TextMessage textMessage = (TextMessage) message;
                        String messageData = textMessage.getText();
                        if (messageData.equals(SHUTDOWN)) {
                            System.out.println("shutting down");
                            shutdown();
                        }
                    } catch (JMSException e) {
                        e.printStackTrace();
                        shutdown();
                    }
                }
            });

            connection.start();
            System.out.println("Toggle initialized");
            toggle.registerListener(this);

        } catch (JMSException e) {
            shutdown();
            e.printStackTrace();
            throw new RuntimeException(e.getMessage());
        }
    }

    @Override
    public void on() {
        try {
            System.out.println("Sending websocket on message");
            producer.send(session.createTextMessage(ON_MESSAGE));
        } catch (JMSException e) {
            e.printStackTrace();
            shutdown();
        }
    }

    @Override
    public void off() {
        try {
            System.out.println("Sending websocket off message");
            producer.send(session.createTextMessage(OFF_MESSAGE));
        } catch (JMSException e) {
            e.printStackTrace();
            shutdown();
        }
    }

    private void shutdown() {
        running = false;
        if (toggle != null) {
            toggle.shutdown();
        }
        if (connection != null) {
            try {
                System.out.println("Cleaning up resources");
                connection.close();
            } catch (JMSException e) {
                throw new RuntimeException(e.getMessage());
            }
        }
    }

    public static void main(String[] args) throws JMSException,
            InterruptedException {
        ToggleJmsWsListener toggleJmsWsListener = new ToggleJmsWsListener();
        while (toggleJmsWsListener.isRunning()) {
            Thread.sleep(1000);
        }
        System.out.println("Exiting Application");
    }

    public boolean isRunning() {
        return running;
    }

}

Interestingly, the source code used for the WebSocket-enabled scenario is almost identical to the one used in Step 2. As the highlighted code snippet indicates (lines 35-36), all you need to change is the connection information: simply modify the connection factory, the protocol, and the port number.

Note: For the entire source code, scroll to the bottom of this post.

To keep the audience engaged (and to emphasize the “color” of the WebSocket server used for the demos – Kaazing’s color is orange), for the WebSocket demo Prashant replaced the white light bulb with an orange one.

DSC_1202

Slides

You can also review the entire deck as presented at JavaOne.

Source Code & Download

The entire source code for the demonstration is published under David’s GitHub account. Star it, fork it, tweet it!

You can also download a free, fully functional version of the Kaazing WebSocket Gateway – JMS Edition that we used. To learn more, check out these resources:

Finally, you can meet David and Prashant in person and learn more about Kaazing and our platform at the upcoming HTML5DevConf (22-23 October at Moscone North in San Francisco, CA).

Tell us about your Raspberry Pi project – and drop a comment if you’re (interested in) building Internet (or Web) of Things applications.


Read the original blog entry...

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"IBM is really all in on blockchain. We take a look at sort of the history of blockchain ledger technologies. It started out with bitcoin, Ethereum, and IBM evaluated these particular blockchain technologies and found they were anonymous and permissionless and that many companies were looking for permissioned blockchain," stated René Bostic, Technical VP of the IBM Cloud Unit in North America, in this SYS-CON.tv interview at 21st Cloud Expo, held Oct 31 – Nov 2, 2017, at the Santa Clara Conventi...
When shopping for a new data processing platform for IoT solutions, many development teams want to be able to test-drive options before making a choice. Yet when evaluating an IoT solution, it’s simply not feasible to do so at scale with physical devices. Building a sensor simulator is the next best choice; however, generating a realistic simulation at very high TPS with ease of configurability is a formidable challenge. When dealing with multiple application or transport protocols, you would be...
Smart cities have the potential to change our lives at so many levels for citizens: less pollution, reduced parking obstacles, better health, education and more energy savings. Real-time data streaming and the Internet of Things (IoT) possess the power to turn this vision into a reality. However, most organizations today are building their data infrastructure to focus solely on addressing immediate business needs vs. a platform capable of quickly adapting emerging technologies to address future ...
We are given a desktop platform with Java 8 or Java 9 installed and seek to find a way to deploy high-performance Java applications that use Java 3D and/or Jogl without having to run an installer. We are subject to the constraint that the applications be signed and deployed so that they can be run in a trusted environment (i.e., outside of the sandbox). Further, we seek to do this in a way that does not depend on bundling a JRE with our applications, as this makes downloads and installations rat...
Widespread fragmentation is stalling the growth of the IIoT and making it difficult for partners to work together. The number of software platforms, apps, hardware and connectivity standards is creating paralysis among businesses that are afraid of being locked into a solution. EdgeX Foundry is unifying the community around a common IoT edge framework and an ecosystem of interoperable components.
DX World EXPO, LLC, a Lighthouse Point, Florida-based startup trade show producer and the creator of "DXWorldEXPO® - Digital Transformation Conference & Expo" has announced its executive management team. The team is headed by Levent Selamoglu, who has been named CEO. "Now is the time for a truly global DX event, to bring together the leading minds from the technology world in a conversation about Digital Transformation," he said in making the announcement.
In this strange new world where more and more power is drawn from business technology, companies are effectively straddling two paths on the road to innovation and transformation into digital enterprises. The first path is the heritage trail – with “legacy” technology forming the background. Here, extant technologies are transformed by core IT teams to provide more API-driven approaches. Legacy systems can restrict companies that are transitioning into digital enterprises. To truly become a lead...
Digital Transformation (DX) is not a "one-size-fits all" strategy. Each organization needs to develop its own unique, long-term DX plan. It must do so by realizing that we now live in a data-driven age, and that technologies such as Cloud Computing, Big Data, the IoT, Cognitive Computing, and Blockchain are only tools. In her general session at 21st Cloud Expo, Rebecca Wanta explained how the strategy must focus on DX and include a commitment from top management to create great IT jobs, monitor ...
"Cloud Academy is an enterprise training platform for the cloud, specifically public clouds. We offer guided learning experiences on AWS, Azure, Google Cloud and all the surrounding methodologies and technologies that you need to know and your teams need to know in order to leverage the full benefits of the cloud," explained Alex Brower, VP of Marketing at Cloud Academy, in this SYS-CON.tv interview at 21st Cloud Expo, held Oct 31 – Nov 2, 2017, at the Santa Clara Convention Center in Santa Clar...
The IoT Will Grow: In what might be the most obvious prediction of the decade, the IoT will continue to expand next year, with more and more devices coming online every single day. What isn’t so obvious about this prediction: where that growth will occur. The retail, healthcare, and industrial/supply chain industries will likely see the greatest growth. Forrester Research has predicted the IoT will become “the backbone” of customer value as it continues to grow. It is no surprise that retail is ...