“Our strong 50 percent year-over-year revenue growth demonstrates the progress we have made in growing our market footprint and diversifying our customer base,” said Lee Chen, president and chief executive officer of A10 Networks. “U.S. revenue more than doubled year-over-year and grew 44 percent over the first quarter, however, total revenue was slightly below our guidance as a result of lower service provider spending in Japan where several deals pushed into future quarters.