What is WoT?

From Wikipedia

• The Web of Things is a vision inspired from the Internet of Things where everyday devices and objects, i.e. objects that contain an Embedded devices or computer, are connected by fully integrating them to the Web. Examples of smart devices and objects are Wireless Sensor Networks, Ambient devices, household appliances, etc.
• Unlike in the many systems that exist for the Internet of things, the Web of Things is about re-using the Web standards to connect the quickly expending eco-system of Embedded devices built into everyday smart objects. Well-accepted and understood standards and blueprints (such as URI, HTTP, REST, RSS, etc.) are used to access the functionality of the smart objects

• The Web of Things (WoT) is a computing concept that describes a future where everyday objects are fully integrated with the Web. The prerequisite for WoT is for the "things" to have embedded computer systems that enable communication with the Web. Such smart devices would then be able to communicate with each other using existing Web standards.

Real-world implementation examples

Several implementations are in place today that leverage the WoT type of technology, including remote DVR scheduling, remote home security systems monitoring and administration, and remote home electricity grid usage monitoring. These are just a few of the current implementations which bring us one step closer to the WoT, and it will be interesting to see how each evolves in the coming years as more devices are enhanced and functionality is improved.

PlotWatt is a free service that connects to smart utility meters at homes and businesses and records electricity usage displaying the current day, past seven days, or previous thirty days usage in addition to real-time kW hours. With a login and password credential, you can connect your smart meter to their system and monitor electrical usage from any PC or mobile phone with Internet access and a web browser.

The future of WoT

Will web enabled robots have your spritzer and fruit and cheese tray ready at your beck and call from a "White Glove" or "At Your Service" API app triggered from your smart phone? Where the app allows you to schedule the perfect time for the smart object to pour the glass and pull the food out allowing them to arrive at the correct serving temperatures based on your expected arrive time established by the link to the GPS. Not to be confused with applications and companies by the same names, but by the restaurant style of service that could be catered in your own home by your very own Food and Beverage Butler -- let's call it the "FAButler" as shown in Figure. Of course, the "FAButler" is also programmed to connect to the refrigerator, wine cellar, and pantry to know what is in stock, and to update the purchase list as the inventory is utilized. And all this functionality is controlled and governed by the FAButler System, which is a cloud implementation.

A very simplified visual representation of the interconnected dependences of the FAButler Systems is shown in Figure. The system starts with the mobile phone application, the FAButler App which is the consumer interface with the entire system, and allows the smart phone user to make requests or speak with the FAButler, while it is also making selections and choosing from a list of suggested items based on the current inventory, or making suggestions for items that could be added to the inventory to create fabulous culinary delights. The app connects to the cloud implemented FAButler System, which connects to the FAButler device itself, and a host of vendors that are also linked into the system. The FAButler System allows you to communicate with your FAButler to order the creation of meals and such on the fly wherever you may be, on a plane, on the road, or in your office. The FAButler then communicates with the refrigerator, wine cellar, and pantry to pull the items and prepare the requested meal just at the scheduled time and place.

Technical characterstics of WoT

From Wikipedia

• Uses HTTP as an application protocol rather than as a transport protocol as done in the world of WS-* Web Services.
• Exposes the synchronous functionality of smart objects through a REST interface (also known as RESTful API) and more generally respects the blueprints of Resource Oriented Architectures.
• Exposes the asynchronous functionality (i.e. events) of smart objects through the use of largely accepted Web syndication standards such as Atom_(standard) or server-push Web mechanisms such as Comet_(programming).

These characteristics ensure the loose-coupling of services provided by the smart objects, furthermore they offer a uniform interface to access and build on the functionality of smart objects.

Difference between the "Internet of things" and the "Web of things"

The advancing changes where objects go from analog or unconnected devices to digitized and connected "smart" devices include several additional opportunities for web application development, device controls, access permissions, security, governance, and vulnerability assessment, in addition to other functions and tasks. The tendency to migrate more objects, things if you will, into the Web, brings web developers and information technology managers to a new territory for development, risk, and opportunity.

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