Singtel and Optus have chosen to embed Amazon Web Services capabilities into their Multi-access Edge Compute (MEC) infrastructures using AWS Outposts. It is not immediately clear why Singtel chose to use the AWS Outposts platform, rather than the AWS Wavelengths platform.
Outposts gear is managed directly by AWS, but that should also be true for Wavelengths deployments.
AWS Outposts provides the full suite of AWS tools and services on the premises in a self-contained rack. AWS Wavelengths puts AWS servers inside a telco facility. Perhaps Singtel simply preferred the footprint, capacity and ease of using Outposts, rather than using Wavelengths.
Outposts supplies a rack of servers managed by AWS but physically on-premises. In Singtel’s case that is its own facilities.
Presumably Singtel provides the power and network connection, but everything else is done for them. If there is a fault, such as a server failure, AWS will supply a replacement that is configured automatically. Outposts runs a subset of AWS services, including EC2 (VMs), EBS (block storage), container services, relational databases and analytics. S3 storage is promised for some time in 2020.
Use of AWS Outposts also requires certain loading dock, connectivity and other physical requirements that Singtel and Optus might have concluded was easier to standardize if provided at telco facilities.
Perhaps ensuring adequate facilities also is a requirement. But Singtel also says it can deploy the MEC with AWS Outposts to the customer’s location, especially for use cases where confidential data must be kept, or preferably is retained, on the customer premises.
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