ICUK Network

Connectivity & Voice Network Overview

ICUK's network and infrastructure has been designed with resiliency and high availability, for our customer's peace of mind as much as our own. Our network continues to grow and evolve ensuring we maintain over-capacity and high availability.

ICUK Connectivity & Voice Network Overview

Every point of presence on our network has a minimum of two dedicated and geographically diverse fibres connecting them to other points on the network, to ensure there is always an available routing path. We have a policy of heavily under utilising network links, be they between PoPs, for peering or from our Tier 1 transit providers. This ensures that we always have a huge amount of available capacity at all times.

All areas of the network employ at least N+1 redundancy. Should a device fail or experience an issue, be it a router or power feed, there will always be another to automatically pick up the slack. This approach ensures there is never a single point of failure for any aspect of the network.

The same strong focus towards high availability and removing all single points of failure is followed for our infrastructure. All services are clustered, and mirrored across multiple servers where applicable. This allows very fast failover and greatly minimises any downtime. Our applications are also designed with multi-zone functionality at their core, so they can run simultaneously at multiple PoPs to balance load, provide fail over and easily scale when needed.

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