the three parties involved in any credit derivatives transaction and describe how they differ in their roles and responsibilities with regard to the transaction

the three parties involved in any credit derivatives transaction and describe how they differ in their roles and responsibilities with regard to the transaction

Identify the three parties involved in any credit derivatives transaction and describe how they differ in their roles and responsibilities with regard to the transaction ? If a portfolio of derivatives is delta hedged by adding a position in Eurodollar futures, what other forms of market risk might remain? How can these risks be eliminated?