Data Center Architecture TrendsThe Impact from SDN on the Physical Infrastructure

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Agenda

• What is Software Defined Networking?

• Why is SDN important?

• Traditional 3-Tier Architecture vs Spine-Leaf

• Data Center Trends

• Forecasts Switch- and Server Ports

• Fiber Optic Transceiver costs

• Impact on the Physical Infrastructure

• ToR/EoR/MoR Designs

• Panduit Reference Architecture

• Panduit Integrated Data Center Infrastructure Stack

• Conclusion

3

The physical separation of the network control plane from the forwarding plane, and where a

control plane controls several devicesSource : opennetworking.org

What is Software Defined Networking?

4

Why is SDN important?

Source : SDxCentral, Plexxi, and Lightspeed Venture Partners

Cisco’s SDN offering is called Application Centric Infrastructure (ACI)

Panduit is the only leading

infrastructure partner in Cisco’s ACI

Ecosystem

5

3-Tier Traditional Data Center Architecture : Logical

Industry Standard for decades

Spanning Tree Fail Over Mechanism

High Latency Individual network

configured components

“North-South Traffic”

1Gbit/s

7k

5k

2k

10Gbit/s

6

Transparent Interconnection of Lots of Links (TRILL) or Shortest Path Bridging (SPB)

Spine-Leaf offers a lower latency option for server to server communications

Offers more redundancy Requires higher density

connections between leaf and spine switches

Any to any concept “East-West Traffic”

2-Tier Data Center Reference Architecture : Logical

7

Data Center Architecture – Spine/Leaf

All Leaf Switches connected to all Spine Switches

40Gbit/s

10Gbit/s

It all looks simple, however: 2.5GBASE-T (2016) 5GBASE-T (2016) SFF-8431 SFP-CU (2009) 10GBASE-T (2005) 10GBASE-SR (2002) 25GBASE-T (2016) 25GBASE-SR (2016) 40GBASE-SR-BD (2013) 40GBASE-SR4 (2010) 40GBASE-CSR4 (2015) 40GBASE-T (2016) 50GBASE-SR (2019) 100GBASE-SR10 (2010) 100GBASE-SR4 (2015) 100GBASE-PSM4 (?) 200GBASE-SR4 (2019) 400GBASE-SR16 (2017) 400GBASE-PSM8 (?) Etc.

How can we futureproof all this?

8

Fiber Optic Transceiver Costs

Source: Lightcounting Market Research, IEEE 400GbE October 2013

High-Speed Links & Longer Reaches with Spine/Leaf Architecture

Signature Core™ Fiber Optic Cabling

is the only multimode optical fiber

that extends Cisco 40GBASE-SR-BiDi modules to 200m

and supports40GBASE-CSR4

up to 550m

10

Industry is moving to large centralized data centers

Scale-Out computing with massive amounts of services and storage

All nodes will be IP routers, single type of network element reduces cost

Removes duplication of equipment and people

Improved orchestration, path optimization, and analytics

Designed to tolerate failures

Permits bandwidth optimization and path control

Reduced latency

Permits rapid service delivery

Improved efficiency (eliminates legacy Silos)

Flat architectures, requires longer point-to-point optical connections

Data Center Trends

11

Source: IDC, March 2015 – The Need for Speed in the Datacenter

Ethernet Switch Ports

12

Source: BSRIA Global Data Centre 2014 End-User Survey, Jan 2015

Source: Speeds in Data Centers, EA TEF, Dell’Oro, Oct 2014

Source: Speeds in Data Centers, EA TEF, Dell’Oro, Oct 2014

Server Ports in the Data Center

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Impact on the Physical Infrastructure?

The Physical Infrastructure needed to support Spine/Leaf is important to ensure performance and reliability:

• Connectivity - Properly designed 40GbE cabling for Spine to Leaf connections (fiber interface type, media type, cable length, insertion loss)

• Pathways need adequate capacity for additional fiber cabling from (Spine to Leaf connections)

• Existing & new fiber cabling should be tested for 40GbE network speed

• Quality of fiber optic cable terminations may need to be addressed

• Sufficient fiber cable management at Spine and Leaf deployments

• Proper power and cooling at equipment deployment locations

14

Impact on the Physical Infrastructure?

• ToR Topology• New data centers without any existing cabling or equipment

• Need for scalability and ease of adding cabinets

• Ease of migration from 10 Gbps networking toward 40Gbps

• High-density layouts using large numbers of 1U servers per cabinet

• Reduced cable congestion

• Modular, Pre-Configured Cabinets

• EoR/MoR Topology• Existing EoR/MoR networks – currently the most common layout

• Compatibility with existing or slower networks

• Potential for frequent network MACs

• Centralized security and network management

• Sensitivity to down time and strong

BACKBONE AND HORIZONTAL CABLINGSTRUCTURED FIBER CABLING TODAY - 10GBPS ETHERNET METHOD A

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STACKSPEEDDUPLXSTATMASTRRPSSYST

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PSU FAN SUP FAB IOM

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Switch EDA

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P-1

2LC to LC

Patch Cord

MPO to MPO

Trunk Cable

Assembly

Method A

MPO to MPO

Assembly

Method A

LC to LC Patch

Cord

Detail A

Discrete SFQ

Cassettes

Discrete SFQ

CassettesDiscrete SFQ

Cassettes

Discrete SFQ

Cassettes

Female – Key Up

To

Female – Key Down

Female – Key Up

to

Female – Key Down

10 G to 40 G Migration with Cisco

40G BiDi and legacy fiber:

Legacy OM3 = 100mLegacy OM4 = 135m

Signature Core™ = 200m

BACKBONE AND HORIZONTAL CABLINGSTRUCTURED FIBER CABLING TOMORROW – 40GBPS ETHERNET METHOD B

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STACKSPEEDDUPLXSTATMASTRRPSSYST

Catalyst 3750 SERIES

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MODE

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Catalyst 3750 SERIES

1 2 3 4 5 6 7 8 9 10 11 12

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PSU FAN SUP FAB IOM

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13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

43 44 45 46 47 48

1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

43 44 45 46 47 48

1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

43 44 45 46 47 48

1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

43 44 45 46 47 48

1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

43 44 45 46 47 48

1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

43 44 45 46 47 48

1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

43 44 45 46 47 48

1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

43 44 45 46 47 48

1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

43 44 45 46 47 48

1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

43 44 45 46 47 48

1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

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1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

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1 2 3 4 5 6

25 26 27 28 29 30

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31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

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25 26 27 28 29 30

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31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

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1 2 3 4 5 6

25 26 27 28 29 30

7 8 9 10 11 12

31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

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25 26 27 28 29 30

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31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

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1 2 3 4 5 6

25 26 27 28 29 30

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31 32 33 34 35 36

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37 38 39 40 41 42

19 20 21 22 23 24

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25 26 27 28 29 30

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31 32 33 34 35 36

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13 14 15 16 17 18

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1 2 3 4 5 6

25 26 27 28 29 30

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31 32 33 34 35 36

13 14 15 16 17 18

37 38 39 40 41 42

19 20 21 22 23 24

43 44 45 46 47 48

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PERFORMANCE PORT

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P-1

2

MPO to MPO

Trunk Cable

Assembly

MPO to MPO

Assembly

MPO to MPO

Patch Cord

4, 6, 8 MPO SFQ

Adapter Panel

4, 6, 8 MPO SFQ

Adapter Panel4, 6, 8 MPO SFQ

Adapter Panel

4, 6, 8 MPO SFQ

Adapter Panel

MPO to MPO

Patch Cord

Male – Key Upto

Male – Key UpMale – Key Up

toMale – Key Up

Female – Key Upto

Female – Key Up

Female – Key Upto

Female – Key Up

10 G to 40 G Migration

based on 40GBASE-SR4:

1. Gender change

Female to Male

2. Polarity change Key

Up/Key Down to Key

Up/Key Up

3. Remove Cassettes

4. Replace with FAPs

Always have the right cable assembly on hand

PanMPO™

Spine Switch “1”

Spine Switch “2”

Patch Panel

Spine• Enables Dual Chassis and Patch Panel in Single

42RU High CabinetKey Considerations

• Cable Density

“B” Switch“A” Switch

ToR Twins Redundant• Enables Redundancy using a Top of Rack

Architecture. • Key Considerations

• Cable Routing

EoR Leaf• House 1 Een of Row Leaf in each

cabinetKey Considerations

• 384 10G connections +• 32 40G connections

Panduit’s Reference Design

Twins – Redundant• Two cabinets • 2 x 9396 Leaf Switches• (24) 1 RU Servers per cab• 96 Native 10G Ports

Rear view showing Primary Path Cables connected to “A” Switch

“B” Switch“A” Switch

Primary Path

Secondary Path

Panduit’s Reference Design

“B” Switch

Trips – Redundant• Three cabinets• (16) 2 RU Servers per

cabinet• 2 x 9396 Leaf Switches• 96 Native 10G Ports

Blanking Panel

“A” Switch

Primary Path

Secondary Path

Panduit’s Reference Design

20

Panduit’s Integrated Data Center Infrastructure

Spine Cabinet Design - Nexus 9508Leaf Cabinet Design - Nexus 93128 Highlights:• Integrated Intelligent Cabinet

• Rack Gateway (power, environmental sensors, physical security, platform for Analytics)

• Cisco BiDi transceivers with Panduit MPO, LC, or Signature Core cabling

• 10G Base-T Panduit Cat6a cable (SD-UTP)

• High Density Patch Panels (line card replication)

• High Density Cable Management• Other configurations are being

developed

21

Panduit’s Integrated Data Center Infrastructure

DA

TA

C

EN

TE

R S

TA

CK

FA

CIL

ITIE

S

INF

RA

ST

RU

CT

UR

E

INF

OR

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EC

HN

OL

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Y

Building

MEP

Cabinets

Rack Power & Env.

Connectivity

Network

Storage

Compute

VM

OS

DB

Apps

DCIM Cooling

OptimizationDCIM Power

ManagementDCIM Asset &

Connectivity

Copper

Connectivity

Fiber

Connectivity

Physical

Accessories

Cabling Mgmt. &

Pathways

Network and

Server CabinetsPre-Configured

Cabinets

Thermal

ContainmentRack Power

Distribution

De

sig

n a

nd

Op

timiz

atio

n

Implementation and Support

Professional Services

Hyper Converged

Converged Infrastructure

(Panduit Vblock)

Panduit IDC Stack

Panduit Pre-Configured Cabinet

Panduit Rack & Stack Solutions

22

Landingpage Panduit Data Center Solutions

Landingpage Panduit - Cisco ACI Physial Infrastructure

Landingpage Cisco Systems - Panduit DC Partner

Panduit Reference Architecture for Cisco ACI

Cisco ACI White Paper - Panduit Reference Architecture

Panduit Signature™ Core Fiber

Landingpage PanMPO 10/40/100G Solution

Category 8 System - 25GBASE-T & 40GBASE-T

Direct Attach Copper Cable Assemblies - SFP+/QSFP+

Cisco ACI Compatibility Assessment Service

So where can I find all this great information?

23

Conclusion• Market analysts expect massive SDN market grow in data centers

• Start engaging with brown- and greenfield data center owners

• Panduit and Cisco Accelerate Implementation of Next-Generation Data Center Network Architecture:

• Extend the reach with Signature Core™ Fiber

• Futureproof data center investment with PanMPO™

• Panduit Category 8 solution for 10GBASE-T to 25/40GBASE-T migration

• Panduit SFP+/QSFP+ solutions support server NIC grow to 10G & 40G

• Accelerate greenfield deployments with Pre-Configured Cabinet Spine/Leaf solutions

• Re-sell Panduit ACI Assessment Service to guide customer from Traditional to Spine/Leaf Architecture

• Take advantage of Panduit Integrated Data Center Stack solutions