David SchmeichelGlobal Solutions Architect

May 2nd, 2013

Simplifying Virtual Infrastructures:Ethernet Fabrics & IP Storage

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Simplifying Virtual Infrastructures

� Developing Data Center Trends

� Technology Alignment

� Why Ethernet Fabrics? Why Now?

� NAS Optimization

� VM Integration

DISCUSSION TOPICS

ENTERPRISE SCALABILITY, PERFORMANCE, AND RELIABILITY

The Evolution of Network Attached Storage (NAS)

�15

�144

�1

�384,000

�9,000+

- Petabytes, Proven Enterprise Scale

- File System

- Potential Nodes in a Cluster

- VMs in a single Ethernet Fabric

- 10 GbE Ports in a Ethernet Fabric

Disruptive Data Center Trends

SOFTWARE-DEFINED

NETWORKING

UNSTRUCTURED DATA GROWTH

1GE-TO-10GETRANSITION

VM PROLIFERATION

SCALE-OUT / NASFLASH STORAGE

File-based storage

growing at record pace.

Network virtualization

and tunneling.

VM mobility and MAC

addressing.

Driving storage growth &

higher network speeds.

Networks evolving to

higher speeds.

THE ECOSYSTEM

Common Data Center Strategies

� Many devices managed as one

� Master-less distributed control plane

� Separation of physical & logical infrastructure

� Machine-to-machine communication

Ethernet Fabrics 101 Vernacular

� TRILL (Transparent Interconnect of Lots of Links) and SPB(Shortest Path Bridging)—Standards that provide multi-path, multi-hop capabilities in Ethernet fabrics

� Convergence—The ability of a single network infrastructure to support the needs of multiple technologies

� Fabric-based infrastructure versus storage fabric versus Ethernet fabric:

� Fabric-based infrastructure—A Gartner term that refers to creating a fabric for everything

� Storage fabric—Commonly called a Storage Area Network (SAN)

� Ethernet fabric—A new network architecture for providing resilient, high-performance connectivity between clients, servers, and storage

� Flat network—A network in which all hosts can communicate with each other without needing a Layer 3 device

Useful terms and definitions

7

Ethernet Fabrics

� Mature Technology

� Topology & protocol independence

� L1, 2 & 3 Multipathing

� Auto-healing, non-disruptive

� Lossless, low latency

NAS iSCSI FCoE

ETHERNETFABRIC

DISTRIBUTED INTELLIGENCE

STORAGE OPTIMIZATION

LOGICAL CHASSIS

L3: Fabric load balancing across multiple L3 gateways

FEATURE

Multi-pathing at Multiple Network LayersPROVIDES PREDICTABLE PERFORMANCE FOR NAS

L1: Trunking with frame striping

33%

33%

33%

L2: Equal Cost Multi-Pathing (ECMP)

Improved scalability and resiliency

BENEFIT

Near-perfect load balancing across all links in a trunk group

All links utilized with flow-based load balancing

Layer 3 Core

Fabric

NAS

How many Engineers does it take to add capacity?

Adding Capacity with Ethernet Fabrics

Automatic Fabric Creation and Expansion

Automatic Trunk Creation

30GbE DCB Trunk (3x10GbE)

10GbE DCB Link

20GbE DCB Trunk (2x10GbE)

Ethernet FabricsEqual Cost Multi-Pathing

30Gb Trunk = 3 x 30Gb Trunk = 3 x 30Gb Trunk = 3 x 30Gb Trunk = 3 x

10Gb Links10Gb Links10Gb Links10Gb Links

100%

75%25%25%25%25%

33%33%33%

50%50%100%

BANDWIDTH, FAILOVER TIME, PLUG & PLAY

How is an Ethernet Fabric Different?

NAS_2NAS_1

ScalabilitySvc Ability

Scale Out NAS

2222

1111

3333

2222

3333

1111

1. Half the compute bandwidth via NIC Teaming

2. Multi-second failover, half the bandwidth, manual config

3. Segregated storage via scale-up NAS

1. TwiceTwiceTwiceTwice the compute bandwidth via LAG

2. SubSubSubSub----secondsecondsecondsecond failover, dynamicdynamicdynamicdynamic bandwidth, selfselfselfself----formingformingformingforming

3. UniversalUniversalUniversalUniversal access to scale-out NAS

EthernetFabric

Ethernet Fabric “Distributed Intelligence”

� Master-less distributed control & forwarding plane

� API-to-ESX for profile auto-config

� Network-wide knowledge of all members, devices, and VMs

� No need for compute licensing, Fabric-enabled Automatic Migration of Port Profiles (AMPP)

ETHERNETFABRIC

DISTRIBUTED INTELLIGENCE

STORAGEOPTIMIZATION

LOGICAL CHASSIS

NAS iSCSI FCoE

BELT & SUSPENDERS STRATEGY – COMPLIMENTARY

Investment Protection with Overlay Networking

Hypervisor Based Networking - VXLAN, NVGRE, STT

� Visibility

– Compliance, Congestion Avoidance

� Accounting

– Billing, Capacity Planning

� Termination

– Gateway to Non-virtualized Devices

Ethernet Fabric “Storage Optimization”

� Aligned with Scale-out NAS

� Hitless Bandwidth Allocation

� Automated QoS Configuration

� Head-of-line Blocking Mitigation

� Traffic Engineering via SDN

ETHERNETFABRIC

DISTRIBUTED INTELLIGENCE

STORAGEOPTIMIZATION

LOGICAL CHASSIS

ITS SIMPLE AND AUTOMATIC

Why QoS is Imperative to NAS?

� VM Proliferation: Density increasing, 4 to 128 per server

� Performance: Compute-based networking, 10GbE per adapter

� Cost: High density, high speed interfaces are cost prohibitive

� Congestion: East-to-West Traffic is growing

� NAS Growth: NAS is growing @ 7.5% CAGR over the next 5 years

Source: 2012 IDC WW Enterprise Storage Systems Forecast 2012-2016

Single Management

� Management Cluster

– Single Point IP Provisioning

– Multi-Point Granular Accounting

� Growth & Serviceability

� Self Provisioning via APIs

� SDN Enabled, Fabric Aligned

ETHERNETFABRIC

DISTRIBUTED INTELLIGENCE

STORAGE OPTIMIZATION

LOGICALCHASSIS

What about SDN and Overlays?

VxLAN STT

NVo3 NVGRE

SDN Brings the On Demand DatacenterENABLING NEW LEVELS OF INNOVATION

CLOUD ORCHESTRATION

NETWORK OVERLAYS

VxLAN STT NVo3 NVGRE

NETWORK FUNCTION VIRTUALIZATION

NfV

PROGRAMMATIC CONTROL

The Blueprint for the Software-Defined Network (SDN)

5/3/2013 21

SIMPLIFY WITH FABRICS, VIRTUALIZATION, AND AUTOMATION

Enabling Technologies

Key Benefits

Cloud-Optimized Network Stack

Ethernet Fabric, Operational Simplicity,Scalable CapacityNetwork Layer

Overlay Networks, OpenFlow, Virtual Routing

Multitenancy, Resource Utilization, Service Agility

Virtualization Layer

SDN ApplicationsCustomization

and MonetizationApplication Layer

Openstack, REST API Automated ProvisioningCloud Management Layer

http://routerproxy.grnoc.iu.edu/al2s/Openflow in Action

SERVER L2-7 NETWORK GEAR ROUTING & POLICY ORCHESTRATION

SOFTWARE DEFINED DATACENTERON DEMAND DATACENTERRIGHT CLICK, DATACENTER

DAYS DAYS DAYS DAYS

X86 VirtualizationX86 Virtualization

MINS

NfVNfVNfV

MINS

PROGRAMMATICOpenFlowOpenFlow

MINS

API AUTOMATIONOpenstack

MINS

&

Virtual LB HYBRID MODE

Virtual Router

Encapsulation Methods for Virtual Environments

SDN Network Virtualization Overlays

VXLAN ---- CURRENTLY THE MOST WIDELY KNOW OF METHOD

NVGRE ---- MICROSOFT’S METHOD OF CHOICE

STT ---- NICIRA’S METHOD USING COMMODITY NIC OFFLOAD

DOVE ---- IBM’S TAKE ON VXLAN WITH NO MULTICAST REQUIREMENT

NVO3 ---- IETF WG TO FIND STANDARD SOLUTION

NETWORK OVERLAYS

VxLAN STTNVo3 NVGRE

Active/Active, Fluid, Low Maintenance, Self Healing

SDN Overlays over Ethernet Fabrics

TRILL: ALL LINKS ACTIVE, ECMP MEAN “ALMOST PERFECT” LOADBALANCING

ADDING & REMOVING DEVICES: CAN BE DONE WITHOUT LOGGING INTO TO ANY DEVICES. NEW DEVICES LEARN FROM OTHERS

CONFIGURATION CHANGES: OFTEN PERFORMED AUTOMATICALLY WITHOUT HUMAN INVOLVEMENT

CAPACITY MANAGEMENT: SIMPLY PLUG IN A NEW CABLE AND CAPACITY WILL AUTOMATICALLY BE ADDED TO A LAG

INTELLIGENCE: CABLES ON SAME ASICS AND OF SAME LENGTHS AUTOMATICALLY FORM TRUNKS

NETWORK OVERLAYS

VxLAN STTNVo3 NVGRE

Thank You!