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Data Center Architecture TrendsThe Impact from SDN on the Physical Infrastructure
2
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
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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
13
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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MODE
STACKSPEEDDUPLXSTATMASTRRPSSYST
Catalyst 3750 SERIES
1 2 3 4 5 6 7 8 9 10 11 12
1X
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MODE
STACKSPEEDDUPLXSTATMASTRRPSSYST
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Server EDA
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PSU FAN SUP FAB IOM
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Switch EDA
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PERFORMANCE PORT
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N7K
-M132X
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1/A
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STATUSIO
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ACTIVE
PWR MGMT
N7K
-SU
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B
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CMPSTATUS
LINK
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N7K
-SU
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LINK
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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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MODE
STACKSPEEDDUPLXSTATMASTRRPSSYST
Catalyst 3750 SERIES
1 2 3 4 5 6 7 8 9 10 11 12
1X
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13 14 15 16 17 18 19 20 21 22 23 24
13X
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1 2 3 4
MODE
STACKSPEEDDUPLXSTATMASTRRPSSYST
Catalyst 3750 SERIES
1 2 3 4 5 6 7 8 9 10 11 12
1X
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13 14 15 16 17 18 19 20 21 22 23 24
13X
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24X
1 2 3 4
1 2 3 4 5 6
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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
Server EDA
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PSU FAN SUP FAB IOM
Cisco Nexus 7000 Series
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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
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
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
Switch EDA
ST
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PERFORMANCE PORT
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LINK
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PERFORMANCE PORT
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PERFORMANCE PORT
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N7K
-M132X
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
MA
TIO
N T
EC
HN
OL
OG
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