IBM SOA Governance
IBM's take on SOA Governance is part of the IBM SOA approach.
Check out the main IBM SOA Governance
site. SOA governance was one of the focus points in the SOA Announcements October 2006. One aspect of SOA Governance is IBM SOA Quality Management.
A methodology for performing SOA governance is SOA Governance and Management Method. One significant product in IBM's SOA governance approach is WebSphere Service Registry and Repository.
Some blog postings on governance: