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NREN on dark fibre:

Where dark fibre is available in Location A and B, an NREN is connected to GÉANT in Location B through the Juniper MX for its primary connection. The backup connection is delivered through its Juniper MX in location A via the Infinera optical platform (DTN-X).

This configuration is the most resilient setup, with service availability of 99.999%, and the capability to deliver capacity up to 100Gbps per port.

 

 Multi-homed NRENs:

If an NREN is collocated in Location A and wants to connect to a location where dark fibre is not available,the back-up is provided through another Juniper MX in the same location.

This configuration is a highly resilient setup, with 99.99% service availability and delivered capacity up to 100Gbps per port.

 

Single homed NRENs

If an NREN wants to connect to a location where dark fibre is not present but they are collocated with the GÉANT PoP and require long-haul connectivity provided by a sub contracted provider.

This scenario can be implemented with or without backup, depending on the requirements.

This configuration can be as resilient as required but availability figures will depend on the exact setup and the selected provider. Capacity up to 100Gbps per port is available on GÉANT equipment.

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Load Sharing

When an NREN connects to more than one PoP, it is possible to request for the load to be shared across the number of accesses available, as seen below.

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