Which is the best approach to engage operations and support teams throughout the value chain?

[answerhappygod]

Recently released IT services have been impacted by downtime and availability issues. The IT operations and support teams admit that products and services are being selected, designed and delivered without their involvement. Which is the best approach to engage operations and support teams throughout the value chain?

Review how documentation is generated during the development phase
Take a holistic view of release management activities across the organization
Review the end-to-end approach of how services are planned, designed, and delivered
Take a holistic view of change enablement activities across the organization