Top issues include WAN complexity, SD-WAN adoption and migration to managed services; future plans include AI/ML, 5G and IoT adoption
Application performance, impacted by network complexity at the edge and in the cloud, is the key enterprise concern this year for organizations implementing SD-WAN, according to Aryaka’s fourth annual global 2020 State of the WAN report.
“Modern applications are being distributed across on premises data centers, multiple public clouds (IaaS & SaaS) and edge locations. This is creating more complexity and greater dependency on the network to ensure optimal application performance as confirmed by the Aryaka report,” said Bob Laliberte, Sr. Analyst and Practice Director at ESG. “Organizations need WAN solutions that deliver performance, flexibility and simplicity to overcome that complexity. This is driving interest in managed SD-WAN offerings that combine application optimization and secure connectivity, to any location, from any location, including access and support for remote workers.”
The study surveyed over one thousand global IT and network practitioners at enterprise organizations across all verticals, headquartered in NA, APAC and EMEA. The survey asked respondents about their networking and performance challenges, priorities and their plans for 2020 and beyond.
Complexity and Application Performance Play a Large Role in SD-WAN Selection Criteria
Enterprise complexity at the edge and within the cloud are creating a challenging environment for IT organizations. IT managers identify complexity and slow performance of both on-prem and cloud-based applications as their biggest concerns. Complexity (37%) replaces cost as the number one concern, followed by slow on-prem performance (32%) and slow access to cloud and software as a service (SaaS) apps (32%). Security (31%) and long deployment times (30%) are also in the top four.
With so many applications in use, many of which are cloud-based, IT is consumed by managing application performance and access to the cloud. And it’s only getting more complex, highlighting the need for a managed service for many organizations. The biggest IT time consuming issues identified by respondents were remote and mobile (47%), application performance at the branch (43%) and accessing the cloud, which doubled from 20% in 2019 to 42% in 2020.
Challenges Surrounding Unified Communications as a Service (UCaaS)
This year’s survey showed that while network managers have high expectations as performance, UCaaS is still challenging to deploy globally, and, once again, complexity is the culprit. Respondents identified set-up and management as the number one challenge for voice and video (48% in 2020; 27% in 2019), highlighting the need for managed solutions that hide the complexity. Lag/delay was a close second (43% in 2020; 30% in 2019), which illustrates network performance issues. This was followed by dropped calls (39%).
It’s All About the Apps and Where They’re Connecting From
Most of the enterprises surveyed this year are leveraging over 10 SaaS applications (51% in 2020 versus 23% in 2019), which speaks to the criticality of cloud performance. In terms of where these SaaS apps are hosted, it’s a multi-cloud world, with AWS, Azure, Google, IBM, Oracle, and Alibaba Cloud all well represented. What’s more, enterprises are continuing to increase the number of applications deployed. A growing number of companies are deploying 100+ applications: 59% in 2020 compared to 43% in 2019.
What’s Being Done to Reduce Complexity
To address increased complexity and the time spent managing the WAN, enterprises regardless of size are undergoing major initiatives that include automation, the cloud and newer areas of interest such as internet of things (IoT), AI/ML and blockchain. For broad IT initiatives, automation grew substantially to 41% of respondents in 2020 from only 31% in 2019, as did IoT (29% in 2020 from 18% in 2019), AI/ML (27% in 2020 from 12% in 2019), and blockchain (21% in 2020 from only 5% in 2019).
On the cloud front, regardless of company size, upgrades and management are important as well as a keen interest in 5G. This last initiative reflects the interest in 5G as a future primary connectivity option for SD-WAN. Respondents identified cloud upgrades (37%) and management (38%) as top networking initiatives. A whopping 42% of respondents also named 5G as a top initiative for this year.
Barriers and Expectations for Today’s SD-WANs
Buyers are at various stages of their SD-WAN evaluation, but most are still gathering information or evaluating vendors. 44% of respondents are gathering information, 23% are evaluating SD-WAN vendors, 11% are building a business case, 13% are in the middle of deploying, 6% have deployed and assumed to be happy while only 2% are deployed, but not happy.
When evaluating SD-WAN, the top three potential barriers include application performance, knowledge gaps and complexity. Overall, cost seems less a consideration this year versus performance and complexity, with SD-WAN ROI better understood and valued than in previous years.
Beyond the barriers mentioned above, SD-WAN planners have certain expectations they’d like met. Respondents said, the cloud and WAN optimization are still key requirements to a successful SD-WAN solution, but NFV, support for remote workers and the desire for a managed service have grown substantially. Add in security, and all of these features illustrate the many moving parts critical to a successful SD-WAN deployment. Their top SD-WAN features wish lists included expected responses such as security, cloud and WAN optimization, but also network functions virtualization (NFV), which more than doubled from 2019 (35% in 2020 from 13% in 2019) and support for remote employees, which also grew by over 50% (33% in 2020 from 21% in 2019). Organizations are increasingly expecting the mobile workforce to be included as part of the total SD-WAN solution.
The desire for a fully managed SD-WAN also increased to 37% in 2020 from 28% in 2019. This aligns with a growing acceptance for managed offerings, likely in response to the increasing complexities and challenges detailed earlier, with 87% of respondents saying they would consider a managed SD-WAN as compared to 59% in 2019.
“We are living in a complex multi-cloud and multi-SaaS application world. As global enterprises continue to innovate by embracing new technologies and migrating to the cloud, they also face new challenges, and the network is increasingly a strategic asset” said Shashi Kiran, CMO of Aryaka. “Whether it’s an increasing number of global sites through expansion, poor performing cloud-based applications, increasing costs or the time it takes to manage multiple vendors, many organizations are at an inflection point: transform the WAN now or risk falling behind and losing out to competitors.”
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