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On September 29, 2015, NTT Communications, with the support of Ovum, held an informal executive boardroom focus group in London on the subject of cloud computing. The event gathered 13 representatives of large UK companies with more than £250m in global revenue operating in a variety of vertical markets. This document summarizes the main views exchanged in the discussion, which was structured around five topics.


  • Public cloud use is often tactical, and may be temporary, but must always fit a specific business priority. For example, one company mentioned the use of public cloud infrastructure to tackle the Chinese market more flexibly to start with before creating its own infrastructure once its presence in this market has been secured.

Features and Benefits

  • TUnderstand the way large UK companies tacklescloud adoption.
  • Understand the view of large UK companies on five key topics: building the business case for cloud, legacy and new app migration to cloud, dealing with hybrid and multiple clouds, increasingly managed cloud services, and cloud vendor relationship management.

Key questions answered

  • In which spirit do large UK companies tackle the challenges of cloud adoption?
  • How are large UK companies tackling key cloud challenges such as building a business case of cloud services, managing relationships with cloud vendors, and migrating apps to the cloud?

Table of contents

Ovum view

  • Summary
  • Large UK enterprises need to find the right balance between control and empowerment
  • Topic 1: Building the business case for cloud: challenging but possible
  • Topic 2: From legacy to cloud-native apps: taking migration one step at a time
  • Topic 3: From hybrid to multiple clouds: automated monitoring and management is the order of the day
  • Topic 4: Increasingly managed clouds private and public clouds: for enterprise to focus on innovation
  • Topic 5: Relationship with cloud service providers: invest in the right resources


  • Further reading
  • Author

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