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VMWorld 2014 - Scaling Your SDDC Network
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Scaling Your SDDC Network:Building a Highly Scalable SDDC Infrastructure with Advanced Physical Network Architectures &
VMware NSX
Phillip CoatesSystems Engineering Manager ANZBrocade Communications Systems, Inc.
Evolution of datacenter architectures
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC 2
Phase 1:
3-tier Architectures
Co
reA
gg
Acc
ess
Phase 2:
Scale-out Architectures
Le
af
/ S
pin
eC
ore
Scale Out
Phase 3:
Advanced Scale-out Architectures+
Overlay Networking
10G
DC POD N Edge Services POD
SUPER SPINE
BORDER LEAF
WAN EDGE
INTERNET DC INTERCONNECT
DC POD 1
SPINE
LEAF
• Brocade provides choices for building reliable and scalable underlay networks for the VMware SDDC
• Brocade VDX switches are easy to deploy and manage
• Brocade VDX gateway provides a highly resilient and easy to manage Hardware VTEP gateway for VMware NSX
• Integration with VMware vRealize in Brocade VDX switches provides visibility and monitoring for the network
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 3
VMware and Brocade – “Better Together”
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC 4
Physical network architectures for the
SDDC
Logical networking with VMware NSX
Agenda
Provisioning, automation and
visibility/monitoring
Learning from massive scale deployments
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC 5
Source: https://code.facebook.com/posts/360346274145943/introducing-data-center-fabric-the-next-generation-facebook-data-center-network/
Clos Concepts: L2 Clos network with Brocade VDX
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 6
L2 Links
SPINE
LEAF
• Manage all fabric switches as a single logical device
• No blocking links and no need for Spanning Tree
• Multipathing at layers 1 to 3
• Zero-touch provisioning & Self-forming trunks
TRILL-based Ethernet fabric
Clos Concepts: L3 Clos network with Brocade VDX
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 7
L3 Links
SPINE
LEAF
• Zero-touch provisioning and deployment mechanisms (standards based)
‒ DHCP and TFTP
• Management through Netconf/REST and DevOps integration
• Layer 2 Extension mechanisms through native VXLAN support
IP Routing protocols like BGP and OSPF
Choices for datacenter infrastructure
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 8
L3 Clos
• Smaller team to manage the infrastructure
• Embedded automation required for OpExsavings
• Larger team to manage the infrastructure
• Tool chains in place for automation and orchestration
• Network infrastructure scalable to very large deployments
L2 Clos with Brocade VCS L3 Clos with Brocade VDX
Both VCS and L3 Clos deployments use the same VDX hardware and Brocade NOS software!
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 9
Building scalable physical networks
L2 Clos based architectures
Building Blocks: Datacenter POD physical architecture (3-Stage folded Clos)
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 10
L2 Clos with Single or dual homed servers
L2 Links
VCS
Fabric
SPINE
LEAF
Servers/Blades
10G
Servers/Blades
10G
Servers/Blades
10G
Compute Racks
Controller
Management SW IP Storage
10G
Management/Infrastructure Racks
Building Blocks: Edge services POD physical architecture
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 11
VCS
Fabric
BORDER LEAF
Servers/Blades
10G
Edge Racks
Load Balancer
10G
Firewall
SW RouterSW VPN
SW Firewall
Single or dual-homed edge service devices
L2 Links
L2 Clos based Datacenter Site(3-stage folded Clos)
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 12
SPINE
LEAF
10G 10G 10G 10G
Compute and Infrastructure/Management Racks Edge Racks
10G 10G
BORDER LEAF
INTERNET DC INTERCONNECT
L2 Links
WAN EDGE
DC POD Edge Services POD
VCS
Fabric
VCS
Fabric
Multi-fabric VCS physical architecture for DC Site(5-stage folded Clos)
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 13
BORDER LEAFSPINE
LEAF
VCS
Fabric
10G 10G
10G
VCS
Fabric
10G 10G 10G
DC POD N
Compute and Infrastructure/Management Racks Edge Racks
Edge Services POD
SUPER SPINE
WAN EDGE
INTERNET DC INTERCONNECT
L2 Links
L3 Links
10G
VCS
Fabric
10G 10G 10G
DC POD 1
Compute and Infrastructure/Management Racks
SPINE
LEAF
L2 Extension between DC Pods for vMotion, Virtual SAN, Fault Tolerance
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 14
BORDER LEAFSPINE
LEAF
10G
VCS
Fabric
10G 10G 10G
DC POD N
SPINE
LEAF
VCS
Fabric
10G 10G
10G
VCS
Fabric
10G 10G 10G
DC POD 1
Compute and Infrastructure/Management Racks Compute and Infrastructure/Management Racks Edge Racks
Edge Services POD
SUPER SPINE
WAN EDGE
INTERNET DC INTERCONNECT
40G
L2 Links
L3 Links
VXLAN
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 15
Building scalable physical networks
L3 Clos architectures
L3 Clos based Datacenter Site(3-stage folded Clos)
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 16
SPINE
LEAF
10G 10G 10G 10G
Compute and Infrastructure/Management Racks Edge Racks
10G 10G
BORDER LEAF
INTERNET DC INTERCONNECTL2 Links
L3 Links
WAN EDGE
DC POD Edge Services POD
Multi-fabric VCS and L3 Clos hybrid architecture(5-stage folded Clos)
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 17
10G 10G
10G 10G 10G 10G
DC POD N
SPINE
LEAF
Compute and Infrastructure/Management Racks Edge Racks
Edge Services POD
SUPER SPINE
BORDER LEAF
WAN EDGE
INTERNET DC INTERCONNECT
L2 Links
L3 Links
10G 10G 10G 10G
DC POD 1
Compute and Infrastructure/Management Racks
L3 Clos
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC 18
Physical network architectures for the
SDDC
Logical networking with VMware NSX
Agenda
Provisioning, automation and
visibility/monitoring
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 19
NSX Components in the physical network
Servers/Blades
10G
SPINE
LEAF
Servers/Blades
10G
IP Storage
10G
Compute RacksManagement Rack Infrastructure Rack
Data Center Pod
NSX vSwitch
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 20
NSX Components in the physical networkEdge Services Pod
BORDER LEAF
Servers/Blades
10G
Edge Racks
Load Balancer
10G
Firewall
Routed Traffic flows in the network (Distributed Routing)
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 21
SPINE
LEAF
10G 10G
DC POD N
SPINE
LEAF
DC POD 1
Infrastructure Racks Edge Racks
Edge Services POD
SUPER SPINE
BORDER LEAF
WAN EDGE
DC INTERCONNECT
INTRANET
Compute RacksCompute Racks
East West Routed Traffic
North South Traffic
VM1 VM2
Infrastructure RackCompute Rack
Load Balancer
10G
Firewall
Brocade VDX Gateway
VM3
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 22
NSX Hardware VTEP integration
Brocade VDX Gateway
• High-performance VXLAN gateway (line-rate bridging)
• Full integration with VMware NSX
• Logical chassis: Single entity of management through NSX
• Resilient logical gateway: VTEP resides on all the switches. Stateful redundant g/w.
VXLAN
Compute Rack
Virtualized Workloads
Brocade VDX Gateway for
VMware NSX
Servers/Blades
10G
Physical Workloads
VCS
Fabric
SPINE
LEAF
VLAN 10G
VTEP = VIRTUAL TUNNEL END POINT
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC 23
Physical network architectures for the
SDDC
Logical networking with VMware NSX
Agenda
Provisioning, automation and
visibility/monitoring
Auto Provisioning
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. INTERNAL USE ONLY 24
L2 Links
VCS
Fabric
SPINE
LEAF
Servers/Blades
10G
Servers/Blades
10G
Servers/Blades
10G
Compute Clusters
Increasing cluster capacity in L2 Clos Topology
Servers/Blades
10G
Cluster A
VM3VM1 VM2 VM4
1. Auto-Fabric Deployment
2. ESXi host auto deployment and configuration*
3. Automatic cluster inclusion and NSX Host Preparation
4. DRS balances the cluster
*LACP Configuration may be pushed after new switches are part of VCS Fabric
Auto Provisioning
25
L3 Links
Servers/Blades
10G
Servers/Blades
10G
Servers/Blades
10G
Compute Clusters
Increasing cluster capacity in L3 Clos Topology
Servers/Blades
10G
Cluster A
VM3VM1 VM2 VM4
1. Auto-Provisioning
2. ESXi host auto deployment and configuration
3. Automatic cluster inclusion and NSX Host Preparation
4. DRS balances the cluster
DRS = Dynamic Resource Scheduling
Auto Provisioning for VDX in L3 Clos
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 26
DH
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DH
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Re
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w/
Op
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Imag
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on
fig
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oca
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SF
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TP
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Im
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fig
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SW Image
Configuration
1
2
34
5
6
Reloads w/ New
7
8Ready
Imag
e &
Co
nfig
ura
tio
n d
ow
nlo
ad
TFTP Server
DHCP Server
DHCP Mapping
Automation
Engine
BGP
Profile Templates
Datacenter automation tools
Brocade Vyatta Controller (ODL based controller)
REST API/NETCONF/YANG Model
Python Neutron ML2 PlugIn
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 27
Puppet integration
Analytics Packs for vRealize OperationsGreater visibility and actionable analytics
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC.
Intelligent Network Operations
Unified Virtual & Physical Networking
Simplified Policy Automation
Go to Brocade G13 booth to see vRealize Operations and VDX integration
Content Pack for vRealize Log InsightAccelerate troubleshooting with actionable analytics
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC.
Powerful Filtering Capabilities
Simplifies Root-Cause Analysis
Unified Management
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 30
Summary
• Brocade provides choices for building reliable and scalable underlay networks for the VMware SDDC
• Brocade VDX switches are easy to deploy and manage
• Brocade VDX gateway provides a highly resilient and easy to manage Hardware VTEP gateway for VMware NSX
• Integration with VMware vRealize in Brocade VDX switches provides visibility and monitoring for the network
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 31
VMware and Brocade – “Better Together”
Key takeaways
• Reviewed choices provided by Brocade in the underlay architecture
• Reviewed scalable and fault resilient model for VMware NSX
• Reviewed automation and deployment mechanisms
• Brocade and VMware – “BETTER TOGETHER”
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC. 32
33
• Brocade and VMware alliance page:
http://www.brocade.com/en/partners/alliances/vmware.html
• Configuration guide for Brocade Hardware VTEP:
http://www.brocade.com/content/html/en/configuration-guide/nos-601-l2guide/GUID-773FF857-F62D-4A4A-89AA-B2301BF3ED8E.html
• Deployment guide for NSX with Brocade VCS:
http://www.brocade.com/downloads/documents/html_product_manuals/brocade-vcs-gateway-vmware-dp/index.html
• Brocade VCS Gateway and VMware NSX Video on Demand (VoD):
https://www.youtube.com/watch?v=khjBszMoM9s
© 2015 BROCADE COMMUNICATIONS SYSTEMS, INC.
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