VMware Cloud on AWS: SDDC Design Considerations

Gilles Chekroun Lead VMware Cloud on AWS Specialist --- With the recent August 2019 release of VMware Cloud on AWS 1.8 , a few interesting improvements are now available concerning the vSAN and Elastic vSAN storage capabilities. The goal of this blog article is to recap the different options around SDDC design and specifically about stretched and non-stretched clusters. AWS EC2 Bare metal Instances As of now, the VMware Cloud on AWS Service is available with two types of EC2 bare metal instances from AWS: i3.metal R5.metal The AWS i3.metal specs are: The AWS R5.metal specs are: - Intel Xeon E5-2686 v4 processors - Intel® Xeon® Platinum 8000 Series (Skylake-SP) - 36 cores - 48 cores - 2.3 GHz - 2.5 GHz - 512 GiB RAM - 768 GiB RAM - 15TB NVMe flash - EBS Storage only (15-35 TB) - 25 Gbps Networking - 14 Gbps EBS Bandwidth - 25 Gbps Ne