This is a little description of FastCLOUD PaaS infrastructure based on oVirt as virtualization platform and openshift on top of it as kubernetes orchestrator of the container native applications developed

1. FastCLOUD PaaS
architecture
Milano, 16 November
2018
Marco Caimi
Francesco Pantano
Alfieri Roberto
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2. Fastweb and FASTcloud
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Fastweb S.p.A. is an Italian telecommunications company that provides landline,
broadband Internet and digital television services
Fastweb is fully owned by the Swiss telecommunication company Swisscom
Not only a fiber company!

3. DC Tier IV
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Following Milan, a new Tier IV Data Center
Surface
Power Use Effectiveness (PUE)
Location Milan Rome
600 m2
500 m2
1,25 1,25
Certification Tier IV Tier IV
2018

4. FASTcloud
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Starting from 2015 our cloud solution is based on OpenStack
Our FASTcloud services runs on Italian jurisdiction
We offer flexible solutions such as Virtual Server, Virtual Private Data Center, Private
IaaS with dedicated hardware
As a telecommunication company we offer to our customer our cloud services over
Internet and VPN MPLS

5. FASTcloud
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● In the last year we start the design and the development of the new PaaS solution based on
Openshift, RHEV and Ansible
● Enable the federation of IaaS and PaaS infrastructures, acting as building blocks of
applications built on top of them.

6. C2 – INTERNAL USEFASTWEB C1 – PUBLIC

7. C2 – INTERNAL USE
Basic components
● 7 infra nodes
● 20 application nodes (scaled
as needed)
● 4 RHEV hosts
Gluster as k8s storageClass:
● 3 nodes
● 6 * 100Gi disks per node
● Volumes Configured as
distributed and replicated (3
factor)
MTU: 9000
Deep inside the Infrastructure
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8. C2 – INTERNAL USE
3 stages to make the application available in production: Staging =>
Q/A => Production
Rollout: the blue/green approach
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9. C2 – INTERNAL USE
Cluster pressure detected
Scaleup compute nodes
oc rollout latest dc/<application>
oc scale dc/<application> --replicas X
Applications at scale
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10. C2 – INTERNAL USE
What’s next
Virtual Machine Virtual MachineVirtual Machine
Virtual Machine Virtual Machine
Function as a
Service
● IoT
● Data|Cognitive
processing
● Streaming Analytics
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11. C2 – INTERNAL USE
Thank you