The Evolution of Ethernet toward Cloud and Virtual Environments
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Transcript of The Evolution of Ethernet toward Cloud and Virtual Environments
Ethernet FabricsA Technology Evolution
Tom BegganChannel Systems Engineer June 21st, 2012
© 2012 Brocade Communications Systems, Inc. Company Proprietary Information
104/11/2023
WorkSmart 2012
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VIRTUALIZATION
CONVERGENCE
CLOUD
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Convergence 2.0
June 9, 2010
STORAGENETWORK
DATANETWORK
CONVERGED
NETWORK
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The Power of Convergence to Simplify
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Today the Compute Model Is Reversed
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The Network is ChangingAn ever-expanding list of requirements force the LAN to evolve.
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Major Drivers in Network Evolution
• Convergence of Traffic Types,
“D-V3-S”• deliver information to any device
on any network at any time
• On-demand availability of resources
• Manage Costs with a "pay as you grow" model
• Lower Entry Costs and TCO
• Increased / Strategic Use of Virtualization
• Bandwidth Escalation
• Superior Desktop Performance
• Ubiquitous Security
• Prevent Business Disruptions
the need to accommodate modern technical challenges
2008 2009 2010
Virtualization Growth
Newly deployed Virtual Machines (VMs)
Newly deployed physical hosts
The Tipping Point
Source: IDC
By 201886% of server workloads will be on VMs
22 BILLION
INTERNET-CONNECTED
DEVICES BY 2020 Source: IMS Research, 2010
–Gartner
“By 2014, 80% of networking traffic will be between servers.”
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Transition to Private Cloud Architectures
• Private cloud architectures • Simplify infrastructure
• Become more agile
• Realize CapEx and OpEx savings
• Brocade fabric-based solutions lead the industry• Essential foundation for cloud-optimized
networks
• Simple, flat, and high-performance
• Highly resilient and scalable networks
• Full benefits of virtualization in private clouds
• Open and Partner centric
Building the Virtual Data Center
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Scaling Virtual EnvironmentsChallenges Today
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Use Layer 2 for SimplicityOnly ONE active pathSTP disables other pathsNot “virtualization optimized”
More Virtual Machines create NeedAdd more GbE connectionsUpgrade to 10 GbE Use LAG Groups
Upgrade to MSTP (STA per VLAN)Increases complexityCreates multiple single-path networks; limits sphere of mobility
Link failures expose weaknessSTP reconvergence – network is downBroadcast storms stress network
Layer 3 as an alternative? (Trade Offs)Greater complexity; higher cost
VM mobility limited to rack
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The Network is ChangingEthernet Fabric technology is the Solution.
WHY ETHERNET FABRIC?
Future-proofData Center
Networks
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VCSVirtual Cluster Switching
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Challenges of Converging Traffic Types
• Speed
• Througput
• Latency
• Jitter
• SLAs
• CoS
• QoS
• Lossless Traffic Flow
• Deterministic Traffic Flow (order)
Challenges
TraditionalEthernetEthernetFabrics
Ethernet Fabric Details
• Enables Convergence of “D-V3-S”• Data• Voice & Video• Virtualization• Storage
• Lossless Ethernet• behaves like FiberChannel
• Deterministic Traffic Flow• Minimized Latency & Jitter• Predictable Performance
• Effortless Connectivity• Highly Resilient• Flexible Topology• Scalable/Elastic• Flat Architecture
• Network Automation• Logical chassis, domain-based management• Automatic VM alignment
Data Center Bridging (DCB)
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Building the Virtualized Data Center
Using the Best Fabric Solutions
Ethernet Fabrics
Fibre Channel Fabrics
DATA CENTER FABRICS
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Core
Aggre
gati
on
Servers with 10 Gbps Connections
Ed
ge
Core
Scalability
Acc
ess
BROCADE ETHERNET
FABRIC ARCHITECTURE
CLASSIC HIERARCHICAL
ETHERNET ARCHITECTURE
Brocade MLXeCiscoJuniper
• Classic architectures often require three tiers in the physical network
• STP disables links in the fabric to prevent loops, limiting network utilization
• Each switch has to be managed individually• Designed for Client-Server, North-South Traffic Flows
• Fabric architectures flatten and seamlessly scale out the Layer 2 network at the edge
• All links in the VCS fabric are active and it is managed as one
• Switches in the VCS fabric are managed as one• VCS offers distributed intelligence throughout the fabric
• New services can be added dynamically• Best suited for the new East-West Traffic requirements
Flatter, faster, lower latency
Massive, linear scalability
Increases scale of VM mobility
Simple to configure and run
Automated Fabric formation
Optimized for virtualization and cloud
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Ethernet Fabric Architecture
VM
Infrastructure Systems
VM VM
Virtual Access Layer
Virtual Cluster
Switching
Network AdviserCustomer
Tools
VMManage
r
StorageManager
ORCHESTRATION
ServerManage
r
Network Mgmt
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VM
CORE TECHNOLOGY
Virtual Cluster Switching (VCS)
Key Features• No Spanning Tree Protocol
• Multi-path, deterministic
• Auto-healing, non-disruptive
• Lossless, low latency
• Built for convergence
• Fully distributed control plane
• Arbitrary topology, self-forming
• Network-wide knowledge of all members, devices, VMs
• Automatic Migration of Port Profiles (AMPP)• Vmware Vcenter Integration
• One logical managed entity NAS iSCSI FCoE
VM
ETHERNETFABRIC
DISTRIBUTED INTELLIGENCE
LOGICAL CHASSIS
DYNAMIC SERVICE INSERTION
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Ethernet FabricsEasing into a new A New Network Architecture
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Servers with 1 and 10Gbps Connections
Hybrid Ethernet Fabric Architecture
Ag
gre
ga
tion
Core
Acc
ess
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Virtual Machine MobilityThe Holy Grail of Ethernet Fabric technology.
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Virtual Mobility
VM
VM
VM
VM
VM
VM
VM VM
Sharing Port ProfilesAutomatic Sharing to simplify management
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Port Profile WebServer:Enable QoSEnable VLANEnable SecurityEnable FCOE
VM Aware Network Automation: VM MobilityAutomatic Migration of Port Profiles
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ESX 2
ESX 1
MAC ID
MAC ID
MAC ID
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MAC ID MAC ID MAC ID MAC ID MAC ID
MAC ID
NOS Switch
VM Aware Network Automation: VM Mobility
NIC1
NOS Switch
VM2
VNIC
VM1
VNIC
V/DVSwitch
NIC2
P1 P2
VM3
VNIC
V/DVSwitch
NIC3
P3P1 P2
P3
ESX Host ESX Host
PG1 PG2 auto-PG1auto-PG2auto-PG1auto-PG2
• VDX is configured with vCenter access information and credentials
• VDX performs discovery of virtual infrastructure assets
• Based on discovered assets VDX will automatically configure corresponding objects:
• Port-profiles and VLAN creation
• MAC address association to port-profiles
• Port, LAGs, vLAGs are put into profile mode automatically based on ESX host connectivity
• VCS network is ready for Virtual Machine movements
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Networking for vMotion
over Distance
Data replication and synchronization
High speed connectivity
with latency optimization
Strong encryption and security management
Extension of the networking context for applications
Seamless redirection of client requests
Application interdependencies
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Extending Clouds Across Data CentersGLOBAL SERVER LOAD BALANCING AND SEAMLESS VM MIGRATION
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Internet
Data Center A
MLX
Servers
Fibre Channel SAN
Storage
Data Center B
SANExtension
VMware vCenter
BrocadeADX
MLX
Servers
Fibre Channel SAN
Storage
SANExtension
BrocadeADX
BrocadeADX
WAN
GSLB Controller
vPLEX vPLEX
APP
OS
STORAGE
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Keeping the Solution OpenOpen Systems keep the power in the hands of the user.
Industry Cooperation
• All major Storage and Server Manufacturers
• End-to-End OEM Solutions
• Embedded Blade Switches• FC and Converged
• Integrated Solutions
• Open Virtual Compute Blocks
• Continued Increase in FC Market share across all partner platforms
A wide range of solutions across all major industry vendors
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Managing a VCS FabricDriving towards a Single-Pane-of-Glass
Ethernet Fabric DetailsSingle Logical Switch Behavior
• Behaves like a transparent LAN service
• Fabric protocols used within the fabric
• Industry-standard protocols used to communicate outside the fabric
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SummaryWe’re almost done.
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Summary
Convergence / Cloud Ready Choice of FC, FCoE, ISCSi, NAS Only Brocade can offer an end to end
solution Dense 100Gig for DC Connectivity
Ease of Management and provisioning One pane of glass with BNA VM Automation / AMPP / ARB /
NetQueIQ
Open Systems Approach Ensures Multi-Vendor Interoperability Freedom of Choice (H/V, Server,
Storage) Best of Breed Partnerships
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Thank You