Walmart is telling some technology companies that if they want its business, they can't run applications for the retailer on Amazon's leading cloud-computing service, Amazon Web Services, several tech companies say. [...] Walmart, loath to give any business to Amazon, said it keeps most of its data on its own servers and uses services from emerging AWS competitors, such as Microsoft's Azure.
Wal-Mart to Vendors: Get Off Amazon’s Cloud
Wal-Mart to Vendors: Get Off Amazon’s Cloud



