Exhibit 10.8 December 22, 1997 Bedford, Massachusetts Promissory Note --------------- On December 22, 1997 for value received, the undersigned promises to pay to the order of Shiva Corporation the total amount of $50,000.00. This note is payable on December 31, 2000. By:/s/ Frank A. Ingari ------------------- Name: Frank A. Ingari Growth Ally, LLC 10 Mt. Vernon St. #230 Winchester, MA 01890