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3 CC 9-2
Executive Summary
The Infrastructure as a Service (IaaS) market remains highly active worldwide, having reached an astounding U$45.6 Billion
in revenues in 2018. While adoption pace and patterns vary, all regions—North America, Europe, Latin America, and Asia-
Pacific—are firmly on the path toward the cloud.
This study analyzes the current global IaaS market, and forecasts revenue growth from
2019–2023. The analysis is segmented by multi-tenant and single-tenant cloud services.
Companies have Become
Increasingly Hybrid and/or
Multi-cloud
Regions More Mature in Cloud
Adoption are Experiencing a
Repatriation Trend
The Competitive Landscape has
Two Top Providers
Single-tenant services Will
Gain Share
Asia Pacific and Latin America are
Lagging in Terms of Adoption Those regions hold tremendous opportunity for cloud vendors, and potentially
the greatest compound annual growth rates
Frost & Sullivan expects that single-tenant services will gain share over the
forecast period, precisely As a result of the hybrid and multi-cloud trends.
AWS and Microsoft now control 74% of the global market share. Microsoft
holds second place behind AWS in all regions except for Asia Pacific, where
Alibaba is the second largest.
Network latency, migration challenges, and challenges with backup/recovery of
cloud workloads are reasons enterprises in North America and certain parts of
Europe are taking cloud-based workloads back to their premises
Hybrid environment allows businesses to choose a mix of deployment models
and manage them as a single pool of resources. A multi-cloud environment
comprises more than one cloud provider. Cloud brokerage and cloud
management platforms are boosting this trend, making managed cloud
services providers key in supporting enterprises, while also challenging IaaS
providers to constantly innovate to meet their customers’ needs.
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Executive Summary—CEO’s Perspective
2
Single-tenant cloud services adoption continues to
grow, as such services tend to better meet
enterprise need for app performance, security and
compliance requirements than public cloud.
3
With the availability of cloud platforms that facilitate
multi-cloud deployments and interoperability, hybrid
deployment models continue to gain traction, as
enterprises realize that one cloud or one
deployment model alone does not fit all their
application requirements.
4
As hybrid models evolve, Managed Service
Providers (MSPs) will be key in providing advice,
guidance, and management of enterprise
workloads.
1
Demand for IaaS continues to grow at a significant
pace, as enterprises look for more advanced
services (e.g., containers and serverless
architecture) and tools to manage, analyze, and act
upon their data.
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Hosted, scalable data center infrastructure resources, available on-demand, usually without
term or usage commitments, and charged via a pay-per-use model. IaaS comprises “raw”
infrastructure, onto which users can build and deploy applications or workloads. The two most
common types of IaaS are Computing as a Service and Storage as a Service.
A type of IaaS in which subscribers pay for computer resources used (usually a pre-set
combination of CPU cycles and memory), plus data moving in and out (per Gigabyte).
A type of IaaS in which subscribers pay for storage capacity and data moving in and out, both
on a per Gigabyte basis.
A multi-tenant computing environment in which organizations access shared compute or
storage resources, on-demand, from third-party service providers, paying on a pay-per-use
basis. The cloud service provider is responsible for housing, running and maintaining
equipment, and allocating resources among clients. The client supplies and manages
applications.
A single-tenant, virtualized, hosted Infrastructure as a Service, in which server infrastructure is
dedicated to each enterprise client, rather than shared among clients as in multi-tenant cloud
Infrastructure as a Service.
is defined as a type of scalable, single-tenant hosted cloud IaaS, in which server infrastructure
is dedicated to each enterprise client. Unlike a multi or single-tenant cloud, the provider
configures servers without a hypervisor or virtualization platform.
Market Overview—Definitions
NOTE: Enterprises are also building “private clouds” in their on-premises data centers, using virtualization and orchestration software on their own
infrastructure. We have not included those in this study. Instead, we are focusing on single-tenant clouds offered “as a Service” by third-party providers.
Infrastructure as a
Service (IaaS)
Storage as a Service
Single-tenant IaaS (also
referred to as Hosted Private Cloud,
Virtual Cloud or Virtual Data Center)
Computing as a Service
Multi-tenant IaaS (also
referred to as Public Cloud),
Bare Metal Cloud (also
called bare metal server)
7 CC 9-2
Market Overview—Definitions (continued)
Any combination of cloud, hosting and private data center resources that are managed and
controlled as a single pool of resources. In a hybrid cloud, workloads generally can operate
seamlessly across environments; for example, applications may burst across environments, or
workload components may be hosted in different environments.
Combines services and resources from more than one cloud service provider. Multi-cloud
deployments may involve workload or platform integration via Application Programming
Interfaces.
Container technology uses operating system (OS) or kernel-based virtualization to share the
OS among application instances. Containers package applications into lightweight units, with
each container instance consisting of dedicated CPU, RAM, file system, and storage
resources, while sharing the host OS. Containers are self-contained application packages that
can be easily built and shipped across multiple environments (e.g., development, test, and
production); and across infrastructure (e.g., enterprise servers, multi and single-tenant cloud).
IT containers are very similar to shipping containers that can be moved across global locations
in a seamless manner.
A serverless architecture is one in which software functions or microservices are deployed
automatically in the cloud, as needed.
Hybrid Cloud
Multi-cloud
Container
Serverless Architecture
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Market Overview – Scope of Study
Cloud Services Market
IaaS
Multi-Tenant
Single-Tenant
PaaS SaaS
Included
in sizing
Excluded
from sizing
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Market Overview—Scope of Study (continued)
In our market sizing, Frost & Sullivan has included IaaS services, as defined—comprising both multi-tenant
and single-tenant cloud.
Whenever possible, we have excluded revenue from value-added services that providers may offer to their
cloud customers, including fee-based managed and professional services. However, many providers in the
market do not split their IaaS revenues based on self-service and managed services. Inconsistencies in
reporting may have led to inclusion of some revenues from managed portions in our total market estimate. We
will revise this estimate as providers clarify their definitions and start to record revenues separately.
Bare metal cloud, which is a type of IaaS, is gaining some traction in the market, with companies like IBM and
CenturyLink offering the service. AWS and Azure have also begun rolling out bare metal options in the past
year. Revenue from bare metal is counted in the single-tenant cloud category in this report.
We have excluded hosted services that are not available on-demand, such as co-location and managed
hosting services. We have also excluded “pull through” IaaS, in which a provider offers elastic storage or
computing resources as part of a different service offering, such as PaaS or SaaS. Our reasoning is that this
type of service constrains users to a specific platform, rather than providing raw infrastructure. Furthermore, in
most cases, the provider defines the computing or storage resources as an element of the primary service
(SaaS or PaaS), rather than standalone IaaS.
Some value-added services, such as Database as a Service (DBaaS) can be considered a “pull through” IaaS;
but due to lack of sufficient data on the revenue breakdowns from the providers, we are counting such services
within the IaaS revenue market size.
10 CC 9-2
Market Overview—Scope of Study (continued)
Throughout the report, statistics from the Frost & Sullivan Cloud User Survey are mentioned. The Frost &
Sullivan Cloud User Survey, conducted annually since 2010, tracks perceptions and behaviors related to
business cloud decisions. It covers not only cloud services, but adjacent infrastructure areas, including
managed services, premises data center infrastructure, security, and communications services.
In this report, we review key findings from the 2018 Cloud User Survey related specifically to cloud
Infrastructure as a Service (IaaS). The survey was conducted via web in June 2018, garnering responses from
401 US-based IT decision makers responsible for purchases of IT infrastructure, software, or services for their
firms.
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MEASUREMENT NAME MEASUREMENT TREND
Market Stage (Nascent, Growth, Mature) Growth ▲
Market Revenue (2018) $45.6 B ▲
Market Size at End of Forecast Period (2023) $150.7 B ▲
Compound Annual Growth Rate (CAGR), 2018-2023 27.0% —
Customer Price Sensitivity (scale of 1 to 10, Low to High) 7 ▼
Number of Competitors 15+ ▼
Market Concentration (% of base year market controlled by top 4 competitors) 79.5% ▲
Market Engineering Measurements
TREND Decreasing Stable Increasing
▼ ● ▲
Market Overview
Infrastructure as a Service Market: Global, 2018
Note: All figures are rounded. The base year is 2018. Source: Frost & Sullivan.
12 CC 9-2
Restraints 1–2 Years 3–4 Years 5–7 Years
Security risks H H M
Unreliability of networks connecting to cloud
data centers H H M
Concerns over loss of control M M M
Inability to meet compliance requirements M M M
Poor or inconsistent application performance H H M
Integration with on-premises solutions M M L
Impact Ratings: H = High, M = Medium, L = Low
Market Restraints—Impact and Duration
Source: Frost & Sullivan
13 CC 9-2
Restraints Explained
Security risks – Sixty-one percent of survey respondents cited concerns about unauthorized access to
data as the top restraint to cloud IaaS adoption in 2018. Security concerns mainly surround unauthorized
access to apps and leakage of data, particularly in a shared cloud environment; as well as the need to
have globally consistent cybersecurity protections. Regions that are later adopters of cloud, such as
Latin America, as well as countries with a higher level of conservatism, such as Germany and some
parts of Asia, are more impacted by this restraint. However, interviews with leading cloud service
providers indicate that, while data security remains a concern for cloud users, it is driving enterprises to
adopt a hybrid cloud strategy that places each workload in the optimal deployment model—multi-tenant
cloud, single-tenant cloud, on-premises—based on security and other needs.
Unreliability of networks connecting to cloud data centers – A majority of cloud users connect to the
cloud over public internet, which offers best-effort connectivity. Any disruption to the access network
leaves the users without access to applications hosted in the cloud. Fifty-five percent of survey
respondents cited unreliable networks as a deterrent to cloud adoption.
14 CC 9-2
Concerns over loss of control – This is the third biggest concern about IaaS adoption, with 54% of
survey respondents citing it as a top concern. IT leaders are still not one-hundred percent confident that a
multi-tenant environment is well-suited to keep their apps running consistently in the face of contention for
shared resources. Furthermore, with the cloud model, the enterprise IT no longer owns the hardware; and
hence, has no control over addressing application-affecting system failures. Over time, as the cloud
market continues to evolve, and providers earn the trust of customers, this restraint is being mitigated.
Inability to meet compliance requirements – Enterprises’ requirement to ensure regulatory compliance
of data storage continues to be a market restraint for multi-tenant IaaS. Fifty-three percent of the
respondents cited this as a reason for not choosing cloud IaaS. This concern has been further enhanced
by the European Union General Data Protection Regulation (GDPR), which has strict requirements for
handling and storage of personally identifiable information; the General Law of Data Protection (LGPD) in
Brazil, Latin America; and strict data sovereignty laws in Germany, France and Russia, which require
citizens’ data to be stored in physical servers inside each countries’ borders. Compliance concerns are
leading cloud providers to expand their data centers to more countries and regions; but it is also driving
enterprises to keep their sensitive data on-premises or in co-location facilities.
Restraints Explained (continued)
15 CC 9-2
Restraints Explained (continued)
Application performance and downtime – While evaluating cloud IaaS services, enterprises are very
concerned about reliable performance and uptime. Fifty-three percent of the respondents cite inconsistent
application performance as a deterrent to cloud adoption. Concerns are fueled by the cloud outages that
leading IaaS vendors have experienced, including: a power outage at AWS-East Region (Ashburn), which
is one of the company’s largest regions and comprises six availability zones, in March 2018; and Microsoft
Azure’s outage in September 2018, due to a power voltage increase caused by a storm, which impacted
the cooling systems in its datacenter near San Antonio, Texas. In addition, the shared environment can
create contention for resources, which can negatively impact application performance. Any downtime to
critical applications can cost sales, impact the direct bottom line, and also have a longer-term impact on
the enterprises’ brand reputation.
Integration with on-premises solutions – Businesses may want to keep some workloads on-premises
due to network latency or for disaster recovery reasons. However, because leading cloud services are
largely built on proprietary platforms, it can be really difficult to integrate and orchestrate under a common
management platform. That is why hybrid cloud platforms have gained increasing acceptance across
enterprises, as well as offerings such as AWS Outposts and Google’s GKE On-prem, which offer
premises-based extensions of the cloud environment.
16 CC 9-2
Hybrid and Multi-Cloud Models have Become the Norm, but Challenges Remain
Although enterprises continue to increase their use of hybrid and multi-cloud environments, there are also critical challenges ahead. Each cloud provider has a unique, often proprietary platform, which makes it difficult to integrate with enterprises’ existing infrastructure, as well as challenging for developers that need to be trained on resources from different cloud vendors.
Additionally, having different infrastructure options increases the management and integration complexity for enterprises. If it is hard to migrate workloads to one provider, it is even harder with more than one deployment model and more than one provider.
As a result, companies have been increasingly adopting versatile hybrid cloud platforms that enable common management and orchestration across different deployment models and cloud infrastructure. Frost & Sullivan research (see charts to the right), shows how enterprises’ strategy has changed over the years.
Hybrid Cloud Use
Source: Frost &Sullivan 2018 Cloud Survey
2012 2018
No Plans to
Implement
Using or
Planning to Use
71%
32% 29%
68%
Adoption of Multi-Cloud Environment
28% Use Multi-Cloud
Don't Use 59%
2018 2020
% of respondents
(n=401)
% of respondents
(n=401)
% of respondents
(n=401)
% of respondents
(n=401)
Key Market Trends
17 CC 9-2
Source: Frost &Sullivan 2018 Cloud Survey
Shifts in App Placement, as Businesses Change the Way they Choose and Manage Infrastructure
Initially, many companies were lured to the cloud by the model’s low barrier to entry (no term or volume commitments). Enterprises’ poor understanding of benefits and risk factors—as well as their cloud-first policies—resulted in many workloads being migrated to the new model without appropriate due-diligence.
As a result, there has been an important shift in enterprises’ business app placement in recent years. Frost & Sullivan’s latest survey showed patterns including: “repatriation” of cloud workloads back to the premises (implemented by 43% of US companies in 2018); a decline in the number of businesses that use IaaS as their primary deployment model for critical applications; and an increase in hybrid applications being deployed across multiple infrastructures, versus the traditional bimodal IT. The way businesses choose and manage their infrastructure is changing, and that will drive managed services adoption even further.
Current use of Deployment Models
15%
27%
23%
29%
35%
32%
45%
44%
40%
17%
30%
33%
34%
35%
42%
43%
44%
55%
0% 20% 40% 60%
Bare Metal Cloud
On-Prem Software DefinedData Center
Hybrid Cloud
Managed CloudInfrastructure Services
On-Prem Private Cloud
Managed Cloud ApplicationServices
On-Prem Physical Servers
Hosted Private Cloud
Public Cloud IaaS
2018
2017% of respondents
(n=401)
Key Market Trends (continued)
18 CC 9-2
Managed Services Providers – Key for Adoption and Growth
Managed service providers, together with independent software vendors (ISV) and system integrators (SI), have become key in helping companies with cloud tasks including workload assessment and placement, workload migration and hybrid cloud integration.
Cloud providers are increasingly partnering with these companies and providing programs and features to support them. The largest managed cloud services providers globally are CenturyLink and Rackspace, although there are many smaller and niche participants like Avanade, Cloudicity, and CloudNexa (United States); Arcus Global (United Kingdom); Beeva (Spain); Bespin Global (Korea); Bulletproof (Australia), to cite a few. There has been interesting recent M&A activity among them, like CenturyLink’s acquisition of Level3, and Rackspace’s Datapipe acquisition—one of its key competitors in the managed cloud services space—both in late 2017.
Source: Frost &Sullivan 2018 Cloud Survey
Organization’s Familiarity and/or Usage of
Managed Cloud Infrastructure Services,
2017–2020
34% 66%
Use Don't Use
29% 71%
By 2020, 68% of
enterprises expect
to be using
managed cloud
services.
68%
32%
% of respondents (n=401)
2018 2020 2017
Key Market Trends (continued)
19 CC 9-2
IBM continues to be very strong in enterprise-grade environments and in its AI and machine learning
portfolio. It is also the leading provider of bare metal (non-virtualized) cloud. In Fiscal Year (FY) 2018, IBM
reached 12% growth in total cloud revenues, and approximately 18% in cloud as-a-service revenues,
according to Frost & Sullivan estimates and IBM’s quarterly reports.
In 2018, IBM made several moves to accelerate its pace and strengthen its position in hybrid and multi-cloud
environments. In October 2018, IBM announced its intention to acquire Red Hat, an enterprise open source
technology provider; giving the company a strong edge in open source architectures, management
platforms, and hybrid cloud solutions. Also in October 2018, IBM launched IBM Multicloud Manager, an
open technology solution for managing Kubernetes clusters across a variety of infrastructures, both public
and private; enabling visibility, governance and security, and consistent application management via a single
platform. The platform is optimized on IBM Cloud, but also manages workloads from AWS, Red Hat, and
Microsoft.
IBM is investing globally with increased footprint/multi-zone regions in Tokyo, Frankfurt, London and now
Sydney, which support its global footprint. IBM also has a strong competitive presence in Latin America. The
company reports that Brazil is its second biggest market for Watson, globally—second only to the United
States; and it claims that its Cloud Kubernetes Service (IKS) is the only Kubernetes service available in a
data center in Brazil.
In February 2019, IBM announced that Watson is now available on other cloud platforms such as Microsoft,
AWS, and Google Cloud Platform.
Competitor Profiles – IBM
21 CC 9-2
The Last Word
The global cloud IaaS market has evolved. Enterprises are frequently choosing cloud for strategic benefits—
like supporting digital transformation initiatives and enabling them to take advantage of new technologies;
rather than tactical ones—like reducing IT infrastructure costs and hardware/software maintenance burden.
That shift is also changing the way they choose and manage their infrastructure, leading them to deploy
applications across multiple infrastructures—from on-premises to cloud, and between different cloud
vendors.
As the mix of deployment models and best-of-breed cloud IaaS vendors becomes increasingly diverse, two
key outcomes are expected: single-tenant IaaS will continue to gain revenue share over multi-tenant; and
MSPs will continue to be key in supporting companies with workload assessment and placement, workload
migration, and hybrid cloud integration. Cloud brokerage and cloud management platforms will be strategic
tools during this process.
While AWS continues to be the market leader with great leverage, Microsoft is growing at a rapid pace, and
so is Alibaba. All three vendors are expected to continue to invest in expanding their territories and market
reach. 2019 should be key for IBM, after the Red Hat acquisition; and also for Google Cloud, under new
leadership. Frost & Sullivan believes that, looking forward, it will be essential for cloud IaaS vendors to
continue to invest in integrated services, on-prem and cloud; and in the support of MSPs to help enterprises
shift to the hybrid and multi-cloud models.
22 CC 9-2
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