日前，由上海电信与上海贝尔联手合作的广域虚拟网（WAC）解决方案在上海试验成功并完成了各项功能的详细测试。此次试验和测试共历时２个月，测试结果表明各项指标符合规定、产品运行稳定、业务功能完善。测试期间，还特别针对WAC的可靠性问题进行了大话务量的试验，结果令人 Recently, the wide area virtual network (WAC) solution jointly operated by Shanghai Telecom and Shanghai Bell successfully tested in Shanghai and completed detailed tests of various functions. The test and test lasted two months, the test results show that the indicators meet the requirements of stable product operation, business functions perfect. During the test, especially for the reliability of WAC carried out a large amount of traffic test, the result is that