Hewlett-Packard will invest over $1 billion in open-source cloud computing products and services over the next two years. The tech giant announced on Wednesday that its OpenStack-based public cloud service, set under a portfolio dubbed HP Helion, will become available in 20 data centers over the next two years. HP Helion includes HP’s existing cloud products, new OpenStack-based services, and both professional and support services to assist businesses in building and managing hybrid IT environments.