Pub Date : 2013-04-16DOI: 10.1109/ICTON.2013.6602981
H. Harai
An optical packet and circuit integrated (OPCI) network provides both high-speed, inexpensive services and deterministic-delay, low-data-loss services according to the users' usage scenarios, from the viewpoint of end users. From the viewpoint of network service providers, this network provides large switching capacity with low energy consumption, high flexibility, and efficient resource utilization with a simple control mechanism. This paper presents the recent progress made in the development of an OPCI network. We have developed OPCI nodes which are capable of layer 3 switching from/to Ethernet frame to/from optical packet in the optical packet edge part and burst-tolerant optical amplifier and optical buffer with optical fiber delays in 100Gbps optical packet switching part. The OPCI node achieves a packet error rate less than 10-4 and is used as node in a lab-network that has an access to the Internet. A distributed automatic control works in a control plane for the circuit switching part. An address search engine for further power reduction and network management system for shifting from R&D to operation are also described.
OPCI (optical packet and circuit integrated)网络从终端用户的角度出发，根据用户的使用场景，提供高速、廉价的业务和确定性延迟、低数据丢失的业务。从网络服务提供商的角度来看，这种网络提供了大的交换容量，能耗低，灵活性高，资源利用效率高，控制机制简单。本文介绍了OPCI网络发展的最新进展。在光分组边缘部分，我们开发了能够在以太网帧和光分组之间进行三层交换的OPCI节点，在100Gbps光分组交换部分，我们开发了具有光纤延迟的耐突发光放大器和光缓冲器。OPCI节点的包错误率小于10-4，在可接入Internet的实验室网络中作为节点使用。分布式自动控制在电路开关部分的控制平面内工作。还介绍了进一步降低能耗的地址搜索引擎和从研发转向运营的网络管理系统。
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