Multi-service Resilient Fibre Networking via CWDM

After 15 years of continuous and satisfactory operation, Metrodata Network Solutions was again approached regarding a potential update to this critical network.

After assessment of various options Metrodata was commissioned to implement a complete replacement network based on resilient fibre rings, using Passive CWDM technology. The choice of a CWDM network, within which multiple traffic types would be multiplexed together across minimal fibre links, meant that the replacement network could be deployed on available spare fibre pairs between the platforms.

The new architecture could be fully tested in-situ without de-commissioning the existing network, thus ensuring the absolute minimum of production down time. Another advantage of a CWDM approach was that network fibre resources could be shared whilst maintaining complete separation between the various applications.

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