HR Portals & Performance Appraisals and Performance History

DISCUSSION 1
HR Portals 
In at least 200 words, describe the primary advantages of HR portals and shared services centers. Give examples of how HR professionals might use each to better achieve cost controls and service enhancement.
DISCUSSION 2 
Performance Appraisals and Performance History 
Companies seek to promote employees that display the proper knowledge and abilities to function at a higher level. In many cases, the performance appraisal is a major factor in determining candidate’s performance history and eligibility for promotion. In at least 200 words, explain how past performance is a predictor of future performance and how an electronic database of performance appraisals improves opportunities for successful promotion.