How subscription procurement, renewal and allocation of open source has become complex?

Open Source has changed the IT landscape. In the last 10 years, the attitude towards open source in enterprise IT environments has changed dramatically, as users have shifted from skepticism about its ability to cope with mission-critical workloads to deploying it widely across their enterprise grade infrastructures. Most enterprises agree that 30% of their IT budget goes into subscriptions renewals that runs critical applications including financial transactions and 24x7x365 customer support.