【摘要】 目前,城域网的构建成为运营商和设备制造商关注的焦点。各大设备商纷纷推出实用化的城域网方案和组网设备,这些方案在性能和价格方面有很大不同。比较了几家主要设备厂商的城域网方案,简要介绍了其产品性能,并分析了技术优势、价格和应用领域等设备选择指标,为各运营商量身定做自己的城域网方案提供参考。更多还原

【Abstract】 At present construction of MAN turns into a focus among carriers and manufacturers. Some manufacturers have demonstrated utility MAN schemes and networking equipments one after another. These schemes are different in performance and price. This article compares MAN schemes from several main manufacturers briefly introduces the performance of their products and analyzes equipment selection guideline including technical advantages price and application fields. The aim of this article is to provide some references for carriers to tailor their own MAN schemes.更多还原