CW+ Premium Content/Computer Weekly

Features in this issue

• CIO interview: Simon Moorhead of the Rail Delivery Group discusses integration

  by  Cliff Saran

  Train services across the UK are fragmented, with data and systems in silos, which makes it hard to provide a seamless experience for rail users

• Flash storage tiers: Performance, cost and use cases

  by  Stephen Pritchard

  We look at performance, cost and potential use cases for the key flash storage types available, such as Nand flash, 3D Xpoint and Intel Optane, plus SAS, SATA and NVMe connectivity

• iPhone issues see UK government dump centralised model for Covid-19 contact-tracing app

  by  Joe O’Halloran

  Department for Health makes U-turn on contact-tracing app after trial finds distances are not measured well enough, with particular detection problems for app users with Apple iPhones