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ATM与SONET孰优孰劣与IP相比,ATM也许不是高效、廉价的传输服务。Packet over SONET和通过光传输数据包将是下一代网络中与ATM竞争的两大技术。商务到商务和消费者到商务之间的传输技术并不是企业网络管理者关心的重点。但下一代广域网技术的变更将会为端到端的数据传输带来巨大的优势,因而潜在用户应该了解新技术的优势和缺陷,为将来的转型打好基础。
ATM and SONET are better than IP, and ATM may not be an efficient and inexpensive transmission service. Packet over SONET and transmission of packets over the optical network will be the two major technologies competing with ATM in next-generation networks. The business-to-business and consumer-to-business transfer technologies are not the focus of corporate network managers. However, changes in next-generation WAN technologies will bring enormous advantages to end-to-end data transmission. Therefore, potential users should understand the advantages and disadvantages of new technologies and lay a good foundation for future transformation.