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IaaS Behind The Scenes 
Roberto Gaiser 
November - 2014
Agenda 
2 
Disclaimer Definition 
Components 
Common 
Use Cases 
Caveats
Disclaimer
Definition
“Infrastructure as a service (IaaS) is a standardized, highly 
automated offering, where compute resources, 
complemented by storage and networking capabilities are 
owned and hosted by a service provider and offered to 
customers on-demand. Customers are able to self-provision 
this infrastructure, using a Web-based graphical user 
interface that serves as an IT operations management 
console for the overall environment. API access to the 
infrastructure may also be offered as an option.” 
(Gartner IT Glossary) 
Definition 
5
Definition 
6 
Elasticity 
IaaS 
On-demand 
API 
Isolation 
Bare 
metal 
Virtual
Components
Components 
8 
Network 
Backup 
Load 
Balancer 
Firewall Storage Servers
Servers 
9 
Virtual 
Bare Metal 
Non-x86
Servers 
10 
Density 
CPU x Memory Ratio 
Memory DIMM size 
Thermal Design Power 
Converged network 
Automation capabilities
Storage 
11 
Density 
Connectivity 
Tiering 
Replication 
SSD / Flash 
Inline deduplication / compression 
Encryption 
Automation capabilities 
SDS
Firewall 
12 
Capacity 
Appliances 
Virtual 
Stateful / Stateless 
VPN 
Automation capabilities
Load Balancer 
13 
Capacity 
Appliances 
Virtual 
NAT / DSR 
Automation capabilities
Backup 
14 
Agent support 
Multi tenancy 
Database support 
Network limitations 
Automation capabilities
Network 
15 
SDN 
Encapsulation 
Performance 
Capacity 
Design 
L2 x L3 
Automation capabilities
Common use 
cases
Common use cases 
17 
Hybrid 
• Hardware 
refresh 
• Non-x86 
Legacy 
Applications 
• Only runs on 
old hardware 
• Server 
consolidation 
Containers 
• Bare metal 
Openstack 
• Bare metal 
DR 
• Data 
replication 
• Network 
encapsulation
Caveats
Caveats 
19 
Servers 
• Capacity 
• Connectivity 
• Commodity 
Hardware 
Storage 
• Administration 
• Performance X 
Capacity 
• API 
Firewall 
• Capacity 
• Attacks 
• API 
Load 
Balancer 
• Legacy 
Applications 
• API 
Backup 
• Definition 
• How it works 
• Snapshot 
Network 
• Design 
• VLAN 
Limitation 
• Capacity 
• IPv6 
• API
Questions?

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"Iaas behind the scenes" - Roberto Gaiser (UOL), WeOp - The Operations Summit 2014

  • 1. IaaS Behind The Scenes Roberto Gaiser November - 2014
  • 2. Agenda 2 Disclaimer Definition Components Common Use Cases Caveats
  • 5. “Infrastructure as a service (IaaS) is a standardized, highly automated offering, where compute resources, complemented by storage and networking capabilities are owned and hosted by a service provider and offered to customers on-demand. Customers are able to self-provision this infrastructure, using a Web-based graphical user interface that serves as an IT operations management console for the overall environment. API access to the infrastructure may also be offered as an option.” (Gartner IT Glossary) Definition 5
  • 6. Definition 6 Elasticity IaaS On-demand API Isolation Bare metal Virtual
  • 8. Components 8 Network Backup Load Balancer Firewall Storage Servers
  • 9. Servers 9 Virtual Bare Metal Non-x86
  • 10. Servers 10 Density CPU x Memory Ratio Memory DIMM size Thermal Design Power Converged network Automation capabilities
  • 11. Storage 11 Density Connectivity Tiering Replication SSD / Flash Inline deduplication / compression Encryption Automation capabilities SDS
  • 12. Firewall 12 Capacity Appliances Virtual Stateful / Stateless VPN Automation capabilities
  • 13. Load Balancer 13 Capacity Appliances Virtual NAT / DSR Automation capabilities
  • 14. Backup 14 Agent support Multi tenancy Database support Network limitations Automation capabilities
  • 15. Network 15 SDN Encapsulation Performance Capacity Design L2 x L3 Automation capabilities
  • 17. Common use cases 17 Hybrid • Hardware refresh • Non-x86 Legacy Applications • Only runs on old hardware • Server consolidation Containers • Bare metal Openstack • Bare metal DR • Data replication • Network encapsulation
  • 19. Caveats 19 Servers • Capacity • Connectivity • Commodity Hardware Storage • Administration • Performance X Capacity • API Firewall • Capacity • Attacks • API Load Balancer • Legacy Applications • API Backup • Definition • How it works • Snapshot Network • Design • VLAN Limitation • Capacity • IPv6 • API