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0 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Why SD-WAN as it Moves
to Mainstream Adoption?
Jonathan...
1 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
The New Digital World
1bn+
users per
application
(Sourc...
2 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Digital business
innovates at
the speed of
software,
bu...
3 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Agenda
 State of the Enterprise WAN and Drivers for Ch...
4 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Current State of the Enterprise WAN
 Migration to the ...
5 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
2016 2018 2020 2...
6 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Network as a Service — Opex Is the New Capex
Variable P...
7 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
State of Software-
Defined WAN (SD-
WAN)
8 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Gartner’s Definition of SDWAN
Lightweight replacement f...
9 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Why should I care…
 Availability and Performance
– Bra...
10 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
SD-WAN by the Numbers
 Currently, 5,000 – 10,000 payi...
11 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Where SD-WAN
makes sense
• Aggressively moving apps to...
12 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
The Dirty Little
Secrets of SD-
WAN
1. It may not save...
13 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Vendor
Landscape
Pure Plays / New Guys
 Ocedo (Riverb...
14 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
SD-WAN: Vendor/Product Differentiators Today
 Cost an...
15 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Future of SD-WAN
16 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Future of the WAN…
Routing
Voice/UC
Firewall/UTM
WAN O...
17 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Finally, 2020 Vision for Your WAN
 Bandwidth on-deman...
18 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Recommendations
19 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
Look to SD-WAN if …
 Undergoing WAN device refresh
 ...
20 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.
 Magic Quadrant for WAN Edge Infrastructure
 Joe Sko...
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Why SD-WAN as it Moves to Mainstream Adoption?

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Published on

RISQ - Colloque 2018
8h45
Jonathan Forest

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Why SD-WAN as it Moves to Mainstream Adoption?

  1. 1. 0 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Why SD-WAN as it Moves to Mainstream Adoption? Jonathan Forest Senior Director Analyst 11/29/18
  2. 2. 1 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. The New Digital World 1bn+ users per application (Source: Google) $1tn Apple first trillion dollar business (August 2, 2018) 46% customer value from digital by 2020 (Source: Gartner) 24,000 servers per administrator (Source: Facebook) 13 of the top 32 firms are platform companies (Source: Marshall Van Alstyne) 7.4bn mobile devices by 2020 (Source: Gartner) 26bn connected things by 2020 (Source: Gartner) 69,000 YouTubes per second (Source: internetlivestats.com)
  3. 3. 2 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Digital business innovates at the speed of software, but networking has innovated at the speed of hardware.
  4. 4. 3 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Agenda  State of the Enterprise WAN and Drivers for Change  SD-WAN (Current/Future)  Recommendations
  5. 5. 4 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Current State of the Enterprise WAN  Migration to the cloud (XaaS)  Business wants more, faster and inexpensive  More responsibilities with less control (e.g., shadow IT)  Classic responsibilities remain  New ways of working and new skills required (e.g., automation)  New technologies, More devices (e.g., IoT)  Legacy, expensive technologies (e.g., MPLS)  Flat budgets
  6. 6. 5 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 2016 2018 2020 2022 2024 Enterprise Computing Workloads On-Premises Off-Premises Cloud Providers Shrinking Enterprise Data Centers Source: Gartner (August 2016)
  7. 7. 6 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Network as a Service — Opex Is the New Capex Variable Payments Subscribe and Manage Services in the Cloud Network on Demand
  8. 8. 7 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. State of Software- Defined WAN (SD- WAN)
  9. 9. 8 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Gartner’s Definition of SDWAN Lightweight replacement for traditional WAN routers. Dynamically distributes traffic across multiple WAN connections, and based on application policies. Transport/Carrier-agnostic. Dramatically simplifies the complexity associated with traditional and hybrid WANs. Secure connectivity with the ability to integrate additional network services.
  10. 10. 9 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Why should I care…  Availability and Performance – Branch Availability: Supports diverse transport and faster/ granular failover than traditional routers – App Performance: It helps facilitate heterogenous/hybrid WANs, which can lower latency for public cloud-based apps  SDWAN can save you money – Can shift current/future spend away from MPLS towards lower cost services. – Lowered OPEX versus traditional routers – Lowered CAPEX versus traditional routers  Better visibility – Improved reporting, application troubleshooting versus traditional routers
  11. 11. 10 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. SD-WAN by the Numbers  Currently, 5,000 – 10,000 paying customers, 250K+ branches  Vendor revenue to grow at 30.2% CAGR thru 2022 to $1.8B  VMware/Velo, Cisco (multiple), and Silver Peak all with more than 500 paying customers  By 2020, more than 75% of WAN edge infrastructure refresh initiatives will be based on SD-WAN  Globally, more than 64% plan to use managed SD-WAN services (but not in NA)
  12. 12. 11 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Where SD-WAN makes sense • Aggressively moving apps to the public cloud • Moving towards a hybrid-WAN topology • Want diverse transport and/or higher availability • Have 12+ branch offices • Have limited IT expertise at branch sites • Want to reduce WAN complexity • Supporting enterprise-wide digitization initiatives • Most branch sites are in areas with reliable terrestrial based Internet connectivity
  13. 13. 12 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. The Dirty Little Secrets of SD- WAN 1. It may not save you any money 2. There’s still a lot of hardware involved • Many vendors lead with hardware appliances • Prices are going up 3. Many implementations actually add technical debt, leading to additional complexity • Many people are not using SDWAN to replace an existing router (at least not yet) for a variety of reasons 4. Lower-cost transport often leads to challenges managing heterogeneous connectivity 5. Gaps exist with well-known players (T1/E1, WAN Optimization, IPv6, ability to support global installed-base)
  14. 14. 13 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Vendor Landscape Pure Plays / New Guys  Ocedo (Riverbed)  Viptela (Cisco)  VeloCloud (VMware)  CloudGenix  Nuage  Cato  Versa  128T The VNF Club  Juniper  Brocade  Adtran Pivoting Vendors  Silver Peak  Talari Networks  Citrix  Barracuda  Cybera  FatPipe  Riverbed  Cradlepoint  InfoVista  Ecessa  Aryaka  Fortinet  Cisco Meraki  Viprinet  Aerohive Big Incumbents  Cisco/Juniper  Huawei  HPE  Teldat  MSPs  Carriers/SPs Carrier/MSP-Ish  Apcela  Bigleaf Networks  ZeroOutages  TELoIP  SIs Coming Soon?  Arista  Extreme
  15. 15. 14 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. SD-WAN: Vendor/Product Differentiators Today  Cost and licensing model (capex/opex)  Solution scale  Adoption/Production Customers  Availability of managed/DIY consumption models  Cloud gateways/POPs  Security services like firewall/SWG/ UTM  WAN optimization, FEC, Duplication  Form-factor(s) and physical interfaces (e.g., T1/E1/LTE, WiFi and VNF)  QoS  Multi-tenancy  Experience in verticals/GEOs (installed- base)  Management platform beyond CPE (Wifi, Switches)  Extend policy beyond CPE (DC, Switches)  Path selection techniques (granularity and performance)  GUI and Mgmt Simplicity/ZTP
  16. 16. 15 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Future of SD-WAN
  17. 17. 16 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Future of the WAN… Routing Voice/UC Firewall/UTM WAN Opt. WLAN LAN Switch SWGaaS WOaaS Cloud Mgmt FWaaS UCaaS SD-WAN WAN Opt. SD-WAN Firewall vCPE (x86) 2010 2020Now WLAN LAN Sw.
  18. 18. 17 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Finally, 2020 Vision for Your WAN  Bandwidth on-demand  Hybrid is the new WAN  Network functions via software, not hardware  Zero-touch configuration will be the norm  Powered by NFV, vCPE and SDWAN
  19. 19. 18 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Recommendations
  20. 20. 19 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved. Look to SD-WAN if …  Undergoing WAN device refresh  Carrier renegotiation for the WAN  Telephony refresh or UC rollout  Moving to SaaS/O365  Rolling video to the WAN  Heavy WAN pain (cost/performance/availability) SD-WAN alone may not be a fit where there is …  Small number of very large branches  Single-homed locations  Very high latency  High cloud or risk aversion  Very recent router/WOC refresh  A need for lots of resources local to the branch (x86, voice, etc.) on a single platform Our Guidance to End-user Clients
  21. 21. 20 © 2016 Gartner, Inc. and/or its affiliates. All rights reserved.  Magic Quadrant for WAN Edge Infrastructure  Joe Skorupa, Andrew Lerner, Christian Canales, Mike Toussaint (G00351467)  Technology Insight for SD-WAN  Andrew Lerner, Jonathan Forest, Neil Rickard, Ted Corbett (G00369080 )  Highlighting Gartner’s Must-Have SD-WAN Research  Jonathan Forest, Andrew Lerner, Lisa Pierce (G00373781)  Market Guide for Managed SD-WAN Services  Ted Corbett, Neil Rickard, Katja Ruud, Bjarne Munch, Danellie Young, Gaspar Valdivia, Mike Toussaint (G00352817)  6 Questions to Ask on SD-WAN  Mike Toussaint, Andrew Lerner, Ted Corbett Recommended Gartner Research

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