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| GOLEs and Lambdas |
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The GLIF network is currently based around a number of lambas, contributed by the GLIF participants who own or lease them, which are interconnected through a series of exchange points. Lambdas are dedicated high-capacity circuits based on optical wavelengths, and which terminate at exchange points known as GOLEs (GLIF Open Lightpath Exchanges).
GOLEs are usually also operated by GLIF participants, and are comprised of equipment that is capable of terminating lambdas and performing lightpath switching. This way, different lambdas can be connected together, and end-to-end lightpaths established over them. Normally GOLEs must interconnect at least two autonomous optical domains in order to be designated as such.
A lightpath is a communications channel (virtual circuit) established over lambdas, that connects two end-points in the network. It can take-up some or all of the capacity of these lambdas, or indeed can be concatenated across several lambdas. Lightpaths can be established using different protocol mechanisms, depending on the application.
Documentation
- Issue Analysis Hybrid Networks - Discussion of problems related to hybrid networking
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