Data center best practices
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Data Center Best Practices. Randy Cross Infrastructure & Fabric Technologies. Data Center Trends. Confusion Technology Soup SDN, cloud, fabric Hype Cisco Disappointment Islands Integration Orchestration. Solution Focus Simplification Monoliths Disaster Avoidance Point Trends ToR

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Data center best practices

Data Center Best Practices

Randy Cross

Infrastructure & Fabric Technologies


Data center trends

Data Center Trends

  • Confusion

    • Technology Soup

      • SDN, cloud, fabric

    • Hype

    • Cisco

  • Disappointment

    • Islands

    • Integration

    • Orchestration

  • Solution Focus

    • Simplification

    • Monoliths

    • Disaster Avoidance

  • Point Trends

    • ToR

    • Fixed Core

    • Modular Design


No soup for you

“No Soup for you!”

Software-Defined Networking is a work-in-progress…

Energy Efficient Ethernet

IPv6

Network Access Control

Telepresence

WanOp

Unified Communications and Collaboration

MEF

MDM

Network Performance Monitoring

802.11n

SIP

ADC

SAN

Fault Monitoring

MPLS

Location Awareness

Geo VM Moves

DCB

Video Conf Infra

Fabrics

APM

FCoE

SDN

Virtual Switch

Change Management

802.11ac

Which has a long way to go to prove successful


Where to begin

Where to Begin?

  • The Problem

    • Complexity

    • More with Less

      • Or about the same

    • Resource Capacity

    • Refresh

    • New Builds

  • Goals

    • Enable Business Growth

    • Ensure Agility

    • Maximize Assets

    • Simplicity


Enable business growth

Enable Business Growth

  • Solutions

    • No more Silos

    • User Focused

    • Tied to Growth Initiatives


Ensure agility

Ensure Agility

  • Integrate the Stack

    • Virtualization EVERYWHERE

    • Pick the Right Technologies

      • Policy/Controller

      • Fabric

      • Storage

      • WOC, ADC, Security, etc

      • HVAC

    • Pick the Right Devices

      • ToR

      • Fixed vs Modular Core

      • Open Rack vs Blade Servers

Row A

Row B

Row C

Rack 2

Rack 3

Rack 4


Maximize assets

Maximize Assets

  • Modular Design

    • Greenfield

    • Virtual Modular Design

  • DC to DC

    • Disaster Avoidance

    • User Experience

Data Center 1

Avaya Fabric Connect

SPB-mode DToR

Flexible: up to 480 Switches, 15,360 x 10GbE Ports, 259.2Tbps


Proposed recommended link speed metrics

Proposed Recommended Link Speed Metrics


Example highest available bw

Example: Highest Available BW

SPB-mode DToRFlexible Interconnect: up to 200 Switches (6,400 10GbE Ports & 112 Tbps)

Rack 1

Rack 2

Rack 3

Rack 4

Row A

VSP 9000 A

VRRP Master or RSMLT

Row B

Using defined SPB Path Costs

Using manually assigned SPB cost metrics, traffic is assured to always use the most effective path.

Examples:

Row A Rack 1 L2 to B3 = 17

Row B Rack 4 L2 to C2 = 17

Row D Rack 2 L2 to A4 = 35

Row A Rack 4 L2 to D1 = 32

Row A Rack 1 (L3 traffic) to VSP9K A VRRP Master = 40 (5+35)

VSP9K A (L3 traffic) to Row D Rack 4 = 35 (direct 10Gig)

VSP9K A (L3 traffic to Row D Rack 1 = 40 (35+5)

Row C

VSP 9000 B

VRRP Backup or RSMLT

Row D

  • Rear Port Mode with SPB

  • FI Port legend:

  • Black – 120/240 Gbps

  • Red – 80/160 Gbps

  • Blue – 40/80 Gbps

  • (Full-Duplex/Aggregate)

MLT NNI

  • SBP Manually Assigned “Highest Available Bandwidth” Cost Metrics

  • Black = 3

  • Red = 5

  • Blue = 9

  • 10Gig =35


Example most equitable

Example: Most Equitable

SPB-mode DToRFlexible Interconnect: up to 200 Switches (6,400 10GbE Ports & 112 Tbps)

Rack 1

Rack 2

Rack 3

Rack 4

Row A

VSP 9000 A

VRRP Master or RSMLT

Row B

Using defined SPB Path Costs

Using manually assigned SPB cost metrics, traffic is assured to always use the most effective path.

Examples:

Row A Rack 1 L2 to B3 = 25

Row B Rack 4 L2 to C2 = 15

Row D Rack 2 L2 to A4 = 25

Row A Rack 4 L2 to D1 = 30

Row A Rack 1 (L3 traffic) to VSP9K A VRRP Master = 50 (15+35)

VSP9K A (L3 traffic) to Row D Rack 4 = 35 (direct 10Gig)

VSP9K A (L3 traffic to Row D Rack 1 = 50 (35+15)

Row C

VSP 9000 B

VRRP Backup or RSMLT

Row D

  • Rear Port Mode with SPB

  • FI Port legend:

  • Black – 120/240 Gbps

  • Red – 80/160 Gbps

  • Blue – 40/80 Gbps

  • (Full-Duplex/Aggregate)

MLT NNI

  • SBP Manually Assigned “Most Equitable Load Sharing” Cost Metrics

  • Black = 5

  • Red = 5

  • Blue = 5

  • 10Gig =35


Multi data center optimization

Multi Data Center Optimization

VRRP-BM

BEB’s w/ L2 VSN for servers

+ L3 VSN for network access

BCB or BEBs

BCB or BEB’s

BEB’s w/ L2 VSN for servers

+ L3 VSN for network access

Data Center A

Data Center B

10.10.10.2

10.10.10.4

VLAN 10

VLAN 10

NNI

NNI

NNI

IST/NNI

IST/NNI

VLAN 10

VLAN 10

ESX

Host

ESX

Host

NNI

NNI

NNI

10.10.10.5

10.10.10.3

VRRP VR 10.10.10.1

VM

Gateway is 10.10.10.1

L3 VSN I-SID 500 supporting VRF routing to multiple locations

VLAN

600

VLAN 200

L3 ISID

500

L3 ISID

500

ISID 10

VLAN

500

L3 ISID

500

VLAN

300

ISID 10

ISID 10

ISID 10

VLAN

400

VLAN 100

Client


Simplicity

Simplicity

  • Automation

    • Orchestration

    • SDN

  • Solutions

    • Full Stack

    • Monolithic vs Best-of-Breed

    • Support

    • Trust


Summary

Summary

  • Don’t get sucked into the drama!

  • K.I.S.S.

  • Be Farsighted

  • Get Your Money’s Worth

  • Be a Hero: Grow the Business

Simplicity is the ultimate sophistication.

- Leonardo Da Vinci


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