Transcript Transforming Server Virtualization with Cisco VN-Link

Transforming Server Virtualization
with Cisco VN-Link
Belmont Chia
Consulting System Engineer
Data Center Network Architecture
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© 2006 Cisco Systems, Inc. All rights reserved.
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Agenda
 Trends with Server Virtualization
 Cisco VN-Link Introduction
 Cisco Nexus 1000V
Overview & Architecture
Deployment Scenarios
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© 2006 Cisco Systems, Inc. All rights reserved.
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Expanding Role of Server Virtualization
Server Consolidation And Virtualization Are #1 & #2 Spending
Priorities
Source: Goldman Sachs CIO Survey
10% of server workloads virtualized in 2008; forecast to be 50%-60%
in next 5 years
Source: Industry analyst reports
Increasing Use of VMotion and DRS resulting in Multiplicative
Increase in Complexity
Source: Cisco
Desktop Virtualization Gaining Traction as Tool to Address Desktop
Manageability, Security and Cost
Source: Goldman Sachs IT Spending Survey
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Networking Challenges to
Scaling VM Deployments
Security and Policy
Enforcement
Applied at physical
server—poor
granularity
Security and policy
doesn’t follow VM
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Operation and
Management
Lack of VM
connection
visibility
Inability to
troubleshoot and
audit
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Organizational
Structure
Blurs boundaries
between roles
Creates loss of
productivity &
compliance
challenges
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Introducing Cisco Virtual Network Link
Virtualizing the Network Domain
Policy Based VM
Connectivity
Mobility of Network &
Security Properties
Non-Disruptive
Operational Model
Cisco Nexus 1000V
Nexus 5000 with VN-Link
(Software Based)
(Hardware Based)
Server
• Cisco switch for
VMW ESX
VM
VM
VM
VM
• Compatible
with
#2 any#3switching
#4
#1
platform
• Leverages Virtual
Center for server
Nexus 1000V
admin; Cisco CLI
for network
VMW ESX
admin
NIC
NIC
Serverbased, high
•Scalable, hardware
VM
VMsolution VM
VM
performance
#1
#2
#3
#4
•Standards driven approach to
VMW ESX
delivering hardware based VM
networking
Initiator
•Combines VM & physical network
operations into 1 managed node
Nexus
1000V
Nexus 5000
LAN
Two Complimentary Models to Address Evolving Customer Requirements
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Cisco Nexus 1000V
Industry First 3rd Party Distributed Virtual Switch
Server 2
Server 1
VM
#1
VM
#2
VM
#3
VM
#4
VM
#5
VM
#6
VM
#7
VMware
VMware
Nexus vSwitch
1000V Nexus 1000V DVS
Nexus vSwitch
1000V
VMW ESX
VMW ESX
VM
#8
 Nexus 1000V provides
enhanced VM switching
for VMware ESX
 Features Cisco VN-Link:
 Policy Based VM Connectivity
 Mobility of Network & Security
Properties
 Non-Disruptive Operational
Model
 Ensures proper visibility
& connectivity during
VMotion
Enabling Acceleration of Server Virtualization Benefits
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Cisco Nexus 1000V
Faster VM Deployment
VN-Link: Virtualizing the Network Domain
Policy Based VM
Connectivity
Mobility of Network &
Security Properties
Server
VM
#1
VM
#2
VM
#3
Non-Disruptive
Operational Model
Server
VM
#4
VM
#5
VM
#6
VM
#7
VM
#8
Cisco Nexus 1000V
Defined Policies
VMW ESX
WEB Apps
VMW ESX
VM Connection Policy
HR
 Defined in the network
DB
 Applied in Virtual Center
Compliance
 Linked to VM UUID
Virtual Center
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Cisco Nexus 1000V
Richer Network Services
VN-Link: Virtualizing the Network Domain
Policy Based VM
Connectivity
Mobility of Network &
Security Properties
Server
VM
#1
VM
#2
VM
#3
Non-Disruptive
Operational Model
Server
VM
#4
VM
VM#1
#5
VM
VM#2
#6
VM
VM#3
#7
VM
VM#4
#8
Cisco Nexus 1000V
VMW ESX
VMW ESX
VMs Need To Move
• VMotion
• DRS
• SW Upgrade/Patch
• Hardware Failure
VN-Link Property Mobility
• VMotion for the network
• Ensures VM security
• Maintains connection state
Virtual Center
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Cisco Nexus 1000V
Increase Operational Efficiency
VN-Link: Virtualizing the Network Domain
Policy Based VM
Connectivity
Mobility of Network &
Security Properties
Server
VM
#1
VM
#2
VM
#3
Non-Disruptive
Operational Model
Server
VM
#4
VM
#1
VM
#2
VM
#3
VM
#4
Cisco Nexus 1000V
Server Benefits
VMW ESX
VMW ESX
Network Benefits
 Maintains existing VM mgmt
 Unifies network mgmt & ops
 Reduces deployment time
 Improves operational security
 Improves scalability
 Enhances VM network features
 Reduces operational workload
 Ensures policy persistence
Virtual Center
 Enables VM-level visibility
 Enables VM-level visibility
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Increase Operational Efficiency
What stays the same? What gets better?
Task
Virtualization or
Server Admin
Network Admin
vSwitch Config
Automated
Same as physical network
Port Group Config
Automated
Policy Based
Unchanged
(Virtual Center based)
-
Automated
(assign NIC & go)
Unchanged
NIC Teaming Config
Automated
EtherChannel Optimized
VM Creation
Unchanged
Policy Based
Security
Policy Based
ACL, PVLAN, IP Redirect,
Port Security, TrustSec
Visibility
VM Specific
VM Specific
Unchanged
(Virtual Center)
Cisco CLI, XMP API,
SNMP, DCNM
Port Group
Assignment
Add new ESX host
Management Tools
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Cisco Nexus 1000V Architecture
Server 1
VM
#1
VM
#2
VM
#3
Server 2
VM
#4
VM
#5
VM
#6
VM
#7
Server 3
VM
#8
VEM
VMware
vSwitch
Nexus VEM
1000V
DVS
VMware
vSwitch
VMW ESX
VMW ESX
VM
#9
VM
#10
VM
#11
VM
#12
VEM
VMware
vSwitch
VMW ESX
Virtual Supervisor Module (VSM)
 Virtual
Virtual Ethernet
or PhysicalModule
appliance
(VEM)
running Cisco OS (supports HA)
 Cisco
Enables
advanced
networking
Nexus
1000V
Enables:
 Performs
management,
monitoring,
capability
on the
hypervisor
&
configuration
 Policy Based VM Connectivity
 Provides
each VMwith
withVMware
dedicated
integration
 Tight
Mobility
of Network
& Security
“switch
port”
Virtual
Center
Properties
 Collection of VEMs = 1 DVS
 Non-Disruptive Operational Model
Virtual Center
Nexus 1000V
VSM
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Nexus 1000V Deployment Scenarios
Pick your flavor
Rack Optimized
Servers
1. Works with all types of
servers (rack optimized,
blade servers, etc)
Blade Servers
2. Works with any type of
upstream switch (Blade, Top
or Rack, Modular)
3. Works at any speed (1G or
10G)
4. Nexus 1000V VSM can be
deployed as a VM or a
physical appliance
Nexus 1000V
VSM
Virtual Center
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Accelerate Server Virtualization
Enable, Simplify, Scale
Security and Policy
Enforcement
Operation and
Management
Enable VM-level
security and policy
Simplify
management and
troubleshooting with
VM-level visibility
Scale the use of
VMotion and DRS
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Scale with
automated server &
network
provisioning
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Organizational
Structure
Enable flexible
collaboration with
individual team
autonomy
Simplify and
maintain existing
VM mgmt model
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