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Ralph SantitoroDirector of CE Market [email protected]
Meeting the Challenges for Cloud Service Delivery over Carrier Ethernet Networks
November 8, 2011
NIST Cloud Computing Definitionswith EaaS (Ethernet as a Service) augmentation
Tablet Applications
SaaS[application]
PaaS[platform]
IaaS[IT infrastructure]
EaaS[WAN infrastructure]
Internet
Internet WAN Network
2Building Virtualized On Demand Cloud Networks
Ethernet WAN Network
November 8, 2011
Network Service Provider Requirements to Support On-Demand Cloud Applications
Elastic Ethernet Service Attributes On-demand ability to request EVC or Ethernet service attributes be
added or modified for a specific time period • Once time period ends, they revert back to their prior state
Example Elastic Attributes Increase CIR of existing EVC Add an EVC with associated service attributes (e.g., CIR, CoS, etc.) Modify CoS performance objectives of existing EVC (e.g., Frame Loss)
On-demand billing approaches Usage-based billing ($ per MB) based on networks/providers traversed
(metro/region/national/international) Fixed rate based on duration of service usage ($ per hour/day)
Network/Cloud/Subscriber Management Orchestration
3Building Virtualized On Demand Cloud Networks
November 8, 2011
Management Orchestration Workflow
4Building Virtualized On Demand Cloud Networks
Customer Portal
Cloud Provider Management System
Ethernet Cloud Carrier Management System
• Add VMs and Storage • Add BW, CoS, EVC, etc.
Cloud Service Orchestration
Service Attribute
Correlation
Cloud Provider Cloud Consumer
Ethernet Cloud Carrier
Orchestration among the different management systems results in
consistent Quality of Experience for the Cloud Consumer
November 8, 2011
Cloud-WAN Service Correlation Challenges
How to correlate between different provider resources for a given Cloud application Cloud Provider VMs and Storage Ethernet Cloud Carrier Network Resources (BW, Availability, Capacity)
Simple Example: MRI Image Processing Cloud Service 500 VMs required to process MRI in 2 hours, 1000 VMs for 1 hour Network BW selected based on upload time for a given MRI file
• 50Mbps to upload file in 20 minutes, 200Mbps to upload file in 5 minutes
More Complex Example: Cloud Consumer wants 200 employees to use a cloud application for 1 week 10 VMs required to support 200 users What network BW or QoS is required for the given cloud application?
5Building Virtualized On Demand Cloud Networks
More standards development work needed in this area
November 8, 2011
Cloud Service delivery Challenges for Large Enterprises
Today, Internet is predominant method to connect to cloud services Cloud Community has given little attention to WANs
Larger Enterprises hesitant to move mission-critical applications to the cloud when delivered via the Internet Concerns with Security, Performance, Data Governance/Regulatory Compliance
6Building Virtualized On Demand Cloud Networks
Cloud Provider(s)
Internet
Enterprise CloudConsumers
The WAN is critical for cloud service performance
• Insecure•Unpredictable availability• Inconsistent performance•Uncontrolled by IT Dept.
November 8, 2011 7Building Virtualized On Demand Cloud Networks
Cloud Service Delivery via Packet Optical Networkingwith on-net Private Cloud Services
Addresses Internet concerns of large enterprises Security, privacy, availability, data governance and compliance
Positions Ethernet SP as the turnkey provider Private cloud services and Ethernet services with SLAs
Enterprise Cloud
Consumers
Ethernet Service
Provider
On-net Private Cloud Services
InternetPublic Cloud Services
•Secure•Predictable Availability•Deterministic Performance•Controlled by IT Dept.
November 8, 2011 8Building Virtualized On Demand Cloud Networks
WAN Service Provider
The WAN Service Provider Solution Gap
View network as commodity Shop around for lowest price per Megabit
View cloud provider higher in value chain Multiple agreements for cloud and network
Cloud Service Provider
Enterprise CloudConsumers
Higher customer loyalty once relationship is established
Leverage Internet to connect to Cloud Consumers
Secure / Robust WAN
But driven to commodity
WANs being driven to commodity pricing Limited unique customer experience / value
Need a strategy to move up the “value chain” Investment in cloud expertise/facilities is
substantial
WAN Service Provider acts as a Cloud Services Broker
November 8, 2011
Requirements for Private Cloud Service Delivery over Metro Ethernet Networks
Ethernet Services/WANs must support the following as new Cloud Services/Applications (XaaS) are instantiated/terminated
Dynamically add and remove WAN bandwidth
Align Ethernet service bandwidth and quality of service (QoS) with the XaaS VM compute and storage requirements
High reliability connections to ensure “always available” XaaS
Deterministic QoS performance (packet latency / loss) to ensure consistent end-user quality of experience (QoE)
Well-defined demarcation between Metro Ethernet and Cloud Provider’s networks to facilitate service troubleshooting
Ethernet Service/WAN security must align with Cloud Provider’s security in order to meet security compliance and regulatory requirements
9Building Virtualized On Demand Cloud NetworksPacket Optical Networking well suited to meet these requirements
November 8, 2011 10Copyright 2010 FUJITSU LIMITED
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