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The Agile Network You can’t predict the future, but you can be ready for it
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100 years ago, we crossed the Atlantic by ocean liner
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Warnings of icefields had been issued
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A sequence of avoidable errors sink the unsinkable ship
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Now we can cross the Atlantic 100,000x faster
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59 ms London – New York
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Technology adoption is accelerating
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TV: Mainstream adoption in 28 years
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Internet: Mainstreamadoption in 10 years
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Facebook: 3.5 years
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The impact of change should not be underestimated
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Corporate survivability is down from 90% to 63%
– Harvard Business Review
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Traditional Thought for Responding
Lead industry through
innovation
Follow technology
trends to stay relevant
Risk stagnation
OR OR
Trends
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The only sustainable advantage you can have over others is agility, that’s it.
— Jeff Bezos“
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Cloud services are the new homes for applications
14.6%
SaaS to grow
CAGR 2018-23
* Forecast: Public Cloud Services, Worldwide, 2017-2023, 2Q19 Update. Gartner. 29 August 2019 - ID G00377253
22.2%
IaaS to grow
CAGR 2018-23
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IT Strategy 101: The network is an afterthought
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My company has agreed on a cloud first strategy, but our WAN is designed for connecting our offices and data centers, not cloud applications. “
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Traditional networks are broken
Office
Office
WAN Internet
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Traditional networks are broken
Office
Office
WAN Internet
IBM Cloud
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3.11
1.95
1.631.50 1.44 1.41 1.39 1.38 1.37 1.36
1Mbps 2Mbps 3Mbps 4Mbps 5Mbps 6Mbps 7Mbps 8Mbps 9Mbps 10Mbps
4.03.7
3.43.2
2.92.6
2.32.0
1.71.5
1.21.0 0.8
240ms 220ms 200ms 180ms 160ms 140ms 120ms 100ms 80ms 60ms 40ms 20ms 0ms
Above a certain value, increasing
bandwidth has little impact on
improving application performance
Reducing latency has a significant
impact on improving application
performance
HTTP page load times (seconds) on a 60 ms latency link
HTTP page load times (seconds) on a 5 Mbps link
The impact of latency on applications
Source data: Mike Belshe. Google white paper. “More bandwidth doesn’t matter (much)”
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The network is working just fine
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Meanwhile, at the border…
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And in the comms cabinet
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SD-WAN – the best thing since…
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Understands applications
IBM Cloud
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Understands real-time traffic conditions
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Makes intelligent decisions
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Selects the optimal route
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Application performance is now visible
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But its not all plain sailing, there are icebergs ahead…
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Access is key
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a) Enforced private network last mile from legacy players
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b) Or the choice of thousands from a top 5 Internet provider?
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0
50
100
150
200
250
300
350
400
0 2000 4000 6000 8000 10000 12000 14000 16000
RT
D (
ms)
Straight Line Distance (km)
Average RTD variation with distance
Caida Speed of Light Power (Caida)
a) Commodity Internet Performance
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b) Or Internet gateways connecting to an SD-WAN backbone?
Office
Data Centre
Office
SD-WAN
Backbone
Gateway
Gateway
Gateway
Gateway
Gateway
GatewayGateway
Office
Office
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0
50
100
150
200
250
300
350
400
0 2000 4000 6000 8000 10000 12000 14000 16000
RT
D (
ms)
Straight Line Distance (km)
Average RTD variation with distance
Caida GTT Speed of Light Power (Caida) Power (GTT)
Commodity Internet Performance vs GTT SD-WAN Backbone
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A high speed route to nowhere?
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Or native integration with the cloud in the core?
Office
Data Centre
IBM Cloud
Office
SD-WAN
Backbone
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40(Photo by Sergione Infuso/Corbis via Getty Images)
What about edge agility?
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The traditional hardware telco edge..
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…becomes a software defined edge
Management &
Control Plane
Logical VNF
Infrastructure &
Data Plane
Physical
Infrastructure
Layer
LAN 1
LAN 2
MPLS
DIA
LTE
uCPE Platform
Management VM
uCPE Device
Hardware Virtualization Layer
vS
witch
Fabric
vS
witc
hF
abric
Vendor VNF
Vendor VNF
Vendor VNF
Vendor VNF
SERVICE CHAINING
SD-WAN NGFW
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What if a change in security policy demands a firewall deployment at each site?
WAN Internet
IBM Cloud
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a) Complex, lengthy project
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b) Or a software change?
Office
Office
WAN
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So…. what do the analysts say?
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The combination of cloud and edge poses significant organizational, culture and skills challenges:
- Cloud and Edge architects needed
- Networking and Connectivity are critical
- Security must extend to all cloud and distributed systems
- Data ownership?
- How will AI/ML impact the cloud/edge environment?
“
* Gartner, 2018
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The Agile Network –
Software-defined Infrastructure vs. Traditional Telco
Application aware
Adapts in real-time
Accessible via any access
Internet centric but not restrained
Cloud integrated
Secured everywhere
Flexible & on-demand
Controlled by policy
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Questions?
Find us on the Cloud Expo floor, opposite the VIP lounge
www.gtt.net