Locator/Identifier Separation Protocol
- Locator/Identifier Separation Protocol
The current architecture of the Internet uses IP addresses for two separate functions:
* as an end-point addressing identifier to uniquely identify a network interface within its local network addressing context
* as a locator, for routing purposes, to identify where a network interface is located within a larger routing context
Several proposals for separating the two functions and allowing the Internet to scale better have been proposed, for instance the Locator/Identifier Separation Protocol and GSE/8+8 as network based solutions and SHIM6 and HIP as host based solutions.
In the Locator/Identifier Separation Protocol the network elements (routers) are responsible for performing the mapping between end-point-indentifiers (EID) and route locators (RLOC) and this process is invisible to the Internet end-hosts.
References
* [http://www.cisco.com/web/about/ac123/ac147/archived_issues/ipj_11-1/111_lisp.html IPJ article about LISP]
* [http://tnc2008.terena.org/schedule/presentations/show.php?pres_id=83 TERENA LISP presentation]
See also
* Host Identity Protocol
* SHIM6
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