8/29/2023 0 Comments Mhotspot upnpMicrosoft provides two APIs for working with UPnP-based devices: UPnP technology is independent of any particular operating system, programming language, or physical medium. It enables data communication between any two devices under the command of any control device on the network. UPnP technology is broad in scope in that it targets home networks, proximity networks, and networks in small businesses and commercial buildings. Each UPnP-based product can have value-added services layered on top of the basic device architecture by the individual manufacturers. Vendors agree on base protocol sets on a per-device basis. UPnP architecture also enables conventional application programmatic control. UPnP architecture enables vendor control over device user interface and interaction using the browser. UPnP technology is built upon IP, TCP, UDP, HTTP, and XML, among others. ![]() Vendors use any operating system and any programming language to build UPnP-based products. UPnP technology can run on any medium including phone line, power line, Ethernet, RF, and 1394. A device can leave a network smoothly and automatically when it is no longer in use. Then, other control points can use the Control Point API with UPnP technology to learn about the presence and capabilities of other devices. This enables a device to dynamically join a network, obtain an IP address, and convey its capabilities upon request. It supports zero-configuration, invisible networking and automatic discovery for a range of device categories from a wide range of vendors. The UPnP architecture is more than just a simple extension of the plug-and-play peripheral model. Microsoft has enhanced UPnP support to include integration with PnP-X and Function Discovery. The device description also lists properties such as device name and icons associated with the device. Information about the set of services that a particular device type can provide is captured in an XML device description document that the device hosts. For example, services within a VCR are different from those within a printer. Different categories of UPnP devices are associated with different sets of services and embedded devices. For example, a VCR might consist of a tape transport service, a tuner service, and a clock service. With UPnP, a device can dynamically join a network, obtain an IP address, convey its capability, and discover the presence and capabilities of other devices on the network.Ī UPnP device is a container of services and nested devices. UPnP is an IP-based protocol suite based on preliminary versions of Web Services protocols such as XML and Simple Object Access Protocol (SOAP). The UPnP architecture is a distributed, open networking architecture that uses existing TCP/IP and Web technologies to enable seamless proximity networking, in addition to control and data transfer among networked devices. It is designed to bring easy-to-use, flexible, standards-based connectivity to ad-hoc, managed, or unmanaged networks, whether these networks are in the home, small businesses, or attached directly to the Internet. If you want total control over which ports are open, you can turn off UPnP and manually configure port forwarding rules.The UPnP architecture defines peer-to-peer network connectivity of intelligent appliances, devices, and control points. An open port is like a new entry point into your network, so it’s undesirable from a security standpoint to have several open ports. The trade off is that you don't know which devices or applications have asked for open ports. Instead of configuring that port yourself, UPnP lets the console ask the router to open it for you. For example, a gaming console might use port 3074 to communicate with online gaming servers. UPnP lets devices request that specific communication ports be opened between themselves and the internet. ![]() ![]() UPnP also allows devices to request more direct access to the internet by asking the router to open a specific port. Chromecast, for example, can use UPnP to better communicate with your TV and gaming consoles, and digital cameras often use UPnP, too. Similarly, UPnP is often used for local network video streaming between devices. For example, you might want to print a picture from a computer. If your computer and printer are on the same network, and you leave UPnP on, it would let them automatically find and communicate with each other. Within your local network, UPnP lets your devices discover each other more easily. It allows devices on your network to communicate with less friction, both with the internet and with other devices on your local network.
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