The global market for operations support systems (OSS) will exceed $67 billion in 2016, according to a new report by Insight Research. Telecommunications industry spending for OSS is expected to mirror the forecast growth in service revenue over the next five years.According to "Operations Support Systems, 2011-2016," telecommunications network operators worldwide are forecast to increase their investment in OSS at a compounded rate of 5.9% over the next five years. North American investment in the computing and software systems used to acquire, serve, and bill customers will lag worldwide investment, growing at a compounded rate of 4.6% over the same period, while OSS expenditures in Asia, Europe, and Latin America will grow at 6.3%.