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Enterprise WAN Strategies Today
Andy GottliebCEO
Talari Networks
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Next-generation Enterprise WANsa NEW Architecture
• WAN Virtualization does for WANs what RAID did for storage lots more bandwidth hugely lower WAN service cost
• WAN Virtualization plus other existing technologies enable a revolution in building Enterprise WANs lower networking OpEx
• This NEW architecture provides pragmatic, evolutionary path to leveraging Cloud Computing lower overall IT, applications CapEx, OpEx
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Mainframe/Minicomputerstorage - 1980s
First we hadAlong comes key
enabling technologyAdd layer of hardwareand intelligent software…
Resulting solution Higher capacity Lower cost Greater reliability
RAID
Private WANse.g. Frame Relay, MPLS
Internet
The Internet!
The PC Hard disk
WAN Virtualization
Storage:
Ent. WANs:
WAN Virtualization:Doing for WANs what RAID did for Storage
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30x to 100x Bandwidth per $
40% to 90% WAN Cost Savings
More Reliable than Single Vendor FR/MPLS
WAN Virtualization Benefits
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Private WANs too Expensive;The Problem: Public WANs not Reliable Enough
$750 - $1500
$450 - $1000$350 - $600
$175 - $350$150 - $250
$10 - $15 (ADSL)$ 3 - $15 (Cable)
Frame Relay
MPLS T1With QoS
T1 ISPTier 1
T1 ISPTier 2
SDSL
$ / Mbps / Month
99.95% 99.99%?99.5% - 99.9%
99.x% 99%+
~99%Reliability
SMALL absolute quality differences drive HUGE $/Mbps differences
Broadband
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WAN Virtualization
Data Center
ISP A
ISP B
ISP C
ISP D
INTERNET
Cable
xDSL
Frame Relay / MPLS
RemoteOffice
T3/OC-3/ GE
T3/OC-3/ GE
T1
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Benefits of Virtualization
WAN
PhysicalNetwork
MPLS/Internet
VPN WAN Virtualization
ComputingSingle CPUSingle OS
Single CPUVirtual Machines
Cloud Computing[Private, Public, Hybrid]
Much Lower OpExMuch More Bandwidth
Greater ReliabilityLower Computing CapEx, OpEx
Lower OpExSomewhat Lower CapEx
Still Lower CapExLower OpEx
Greater Reliability
Lower CapEx
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ServerVirtualization
Colocation
WAN Virtualization
WAN Optimization
Confluence of Key Technologies will Transform WANs
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Colocation – now a much bigger Intranet Role
Abundant CheapBandwidth
WAN Virtualization makes Internet reliable enough for Ent. use
Great Connectivity
Internet
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Colocation plays a bigger role
Downsize or EliminateEnterprise owned Data Centers
Internet
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Internet APN
Massively more bandwidth at remote and core locations
Huge WAN service cost savingsBoth lowered monthly WAN access bills, as well as massively lower cost/bit
Far greater reliability, WAN application performance, and application performance predictability
Network complexity further centralized
Greater network diversity Added reliability, and… leverage with Telecom Service Providers
In This New Paradigm
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What are the implications of this new architecture?
Networking Team
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Remote Office
Cable
xDSL
WAN VirtualizationISP A
ISP B
(Optional)MPLS
WAN Optimization
Local LAN
Abundant Downstream Bandwidth
Distributed File Services
Interactive Applications
Real Time Voice and Video
Aggregate Upstream Bandwidth
nxT1/E1
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Data Center
WANVirtualization
T3/OC3
ISP C
ISP D
WANOptimization
(Optional)
MPLS
T3/OC3/FE/GE
Lower WAN Access Costs
Company Servers
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Colo Facility
ISP C
ISP D
WANOptimization
Company Servers
(Optional)
MPLS
best performance for server consolidation
T3/OC3/FE/GE
FE/GE
WANVirtualization
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Compromise Free Internet Backhaul
ISP C
ISP D
WANOptimization
Company Servers
(Optional)
MPLS
Do IPS & Firewallingcentrally versus the remote office
Aggregate bandwidth to/from the remote office increased, and scalable
Reliable access to Internet core
Colo
T3/OC3/FE/GE
FE/GE
WANVirtualization
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Result
ISP C
ISP D
WANOptimization
Company Servers
(Optional)
MPLS
Do IPS & Firewallingcentrally versus the remote office
Aggregate bandwidth to/from the remote office increased, and scalable
Reliable access to Internet core
Centralize complexity, policy, in a few locations, without sacrificing performance or security, and do it all at low cost and in a way that will scale
Colo
T3/OC3/FE/GE
FE/GE
WANVirtualization
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What are the implications of this new architecture?
IT/Computing Team
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Rethinking Backup, Remote File Access
ISP C
ISP D
WANOptimization
Company Servers
(Optional)
MPLS
Run DFS Replication- Remote Office files continuously synched to central servers- no need to ever run Backup at remote locations over WAN!
Colo
T3/OC3/FE/GE
FE/GE
WANVirtualization
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The Path to Cloud Computing
ISP C
ISP D
WANOptimization
Company Servers
In Building Cross Connect
(Optional)
MPLS
Hardwareas a
Service
Storageas a
Service
EMailSecurityService
EmailService
OtherSaaS
T3/OC3/FE/GE
FE/GE
WANVirtualization