What Is DWDM?

Dense Wavelength Division Multiplexing (DWDM) is a fibre-optic transmission technique for high speed data transfers.. M1 brings this technology to fulfill our enterprise customers demand for ever-increasing amounts of bandwidth over existing fibre networks.

Resilient Connectivity Between Key Data Centres

The service offers fully-managed 10Gbps bandwidth at a 1:1 contention ratio with a service level of 99.999% offering the very highest-grade of connectivity that M1 can provide to it’s customers.

The service is made available via pre-laid fibre placed at select Data Centres across the island.

Island-Wide Data Centre Interconnection Ring



M1 has deployed DWDM in a ring configuration that connects these 9 Data Centre sites

NTT Data Centre
Keppel DataHub
Keppel DigiHub
Equinix SG1
Equinix SG2
Global Switch
M1 MiWorld

Technical Benefits All Year Round


Telco-Grade Point-to-Point Connection
Layer 1 & Layer 2 Connectivity


Dedicated Bandwidth
10Gbps connectivity at a 1:1 contention ratio


Integrated Resiliency
Built upon a protected ring architecture


Maximum Uptime
Service Level of 99.999%

A Cut Above The Rest: DWDM

This connectivity solution is best suited to support the following enterprise deployments:

 Multi-Datacentre Site Colocation i.e. Hosting Companies        Private & Hosted Colocation Inter-Connectivity
  Business Continuity Programs.     Disaster Recovery Planning      Live/Real-Time Off-Site Resiliency (e.g. Hot Site)