The once-friendly companies will trade accusations of deception, unfair competition and Itanium's future
HP wanted assurances against a hostile bid in the settlement of its suit against Hurd
Opening arguments in HP's breach-of-contract suit focused on an agreement reached after Oracle hired ex-HP CEO Mark Hurd
The companies once considered buying Sun together, with HP taking the hardware and Oracle the software
The former HP enterprise chief read on the Web that Oracle would stop developing for Itanium
The Oracle co-president denies her company committed itself to keep porting its software to Itanium
Opening arguments are scheduled for Monday in the companies' bitter dispute over the future of the Itanium platform
Oracle gave HP one last chance to buy Sun's hardware business, Oracle co-President Safra Catz says.
Much is at stake for the companies in addition to the tens of thousands of customers they serve together and the billions of dollars in annual revenue those customers represent.