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NephoScale uses Cumulus and Edgecore Switches

Case Study 
NephoScale builds scalable, affordable cloud networks with Cumulus Linux and Edgecore Networks 10G/40G open networking switches.
 
Background/Overview  
NephoScale is a cloud Infrastructure-as-a-Service (IaaS) provider and cloud software developing company. Their NephOS end-to-end cloud software stack power the IaaS platform and was developed from the ground up to accelerate and simplify provisioning, deploying, and installing highly scalable cloud infrastructure. NephOS enables a hybrid cloud solution that seamlessly ties a customer's on-premise cloud environment with their hosted off-premise cloud environment, visible in a single-pane view. Since infrastructure is such a critical part of a business, NephoScale needs to rely on fast, scalable, and flexible designs to meet customer needs as a business grows.
 
Application Diagram
Leaf and Spine Topology for Data Center

 
The solution at NephoScale enables affordable high capacity that is very easy to manage. It leverages Edgecore's AS5712-54X 48-port 10G & 6-port 40G switches, running Cumulus Linux for the top-of-rack switches. The top-of-rack switches are connected to Edgecore AS6712-32X 32-port 40G switches in the spine of a Layer 3 Clos architecture to provide maximum flexibility and scalability.
 
 
Why Edgecore Networks
With the Open Network Install Environment (ONIE) available on bare-metal hardware, users have the option to run the operating system they want on the hardware device they want to purchase. As the first and earliest contributor to OCP, Edgecore bare-metal switches with their pre-loaded ONIE software enable different network operating systems to easily run on top of the Edgecore hardware.
 
NephoScale's business can scale better with an agile and flexible infrastructure with the new open networking infrastructure hardware running Cumulus Linux and other automation software tools.
 
Models used in the case
2 units AS6712-32X 40GbE data center switch with 32 QSFP+ ports, serving as spine switches with 40G downlinks to leaf switches.
4 units AS5712-54X 10GbE data center switch with 48 10G SFP+ ports, and 6 x 40G QSFP+ uplink ports, serving as leaf switches with uplinks to spine switches and downlinks to controllers and compute nodes.
 
For more details on the NephoScale project, please refer to the Cumulus website:
https://cumulusnetworks.com/media/resources/case-studies/Cumulus-Networks-Case-Study-NephoScale-Cloud.pdf