Internet Gateway Device Protocol
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Internet Gateway Device (IGD) Standardized Device Control Protocol is supported by some NAT routers. It is a common method of automatically configuring port forwarding, but is not an Internet Engineering Task Force standard.
Applications using peer-to-peer networks, multiplayer gaming, and remote assistance programs need a way to communicate through home and business gateways. Without IGD one has to manually configure the gateway to allow traffic through, a process which is error prone and time consuming. Universal Plug and Play (UPnP) comes with a solution for network address translation traversal.
IGD makes it easy to do the following:
- Learn the public (external) IP address
- Enumerate existing port mappings
- Add and remove port mappings
- Assign lease times to mappings
[edit] See also
- NAT traversal
- Network address translation (NAT)
- NAT Port Mapping Protocol (NAT-PMP)
- Session Traversal Utilities for NAT (STUN)
- Universal Plug and Play (UPnP)
[edit] External links
- "Internet Gateway Device (IGD) V 1.0". UPnP Forum. 2001-11-12. http://upnp.org/specs/gw/igd1/. Retrieved 2011-03-02.
- "Internet Gateway Device (IGD) V 2.0". UPnP Forum. 2010-12-09. http://upnp.org/specs/gw/igd2/. Retrieved 2011-03-02.
- UPnP Forum Internet Gateway Device presentation
- Universal Plug and Play NAT Traversal FAQ by Microsoft. Archived copy
- Free, BSD-licensed ANSI C library to control a Universal Plug and Play Internet Gateway Device or NAT-PMP
- Linux implementation of an Internet gateway device server
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