Network Appliance Inc, Santa Clara, California-based provider of file servers and caching technology, has reported third-quarter net income up 69% at $9.4m on revenue up 72% at $75.6m. Nine- month net income rose 70% to $24.9m on revenue up 72% at $198.6m. Earnings per share rose 55% to $0.12 for the quarter and 58% to $0.32 for the nine months.