Switch processor matched with core node of hybrid optical switching network

Abstract

The invention relates to a switch processor matched with a core node of a hybrid optical switching network in an optical network communication technology. The switch processor comprises a wave separator set, a wave combiner set, a low-speed optical switch unit module, a high-speed optical switch unit module and tunable wavelength converters, wherein the wave separator set and the wave combiner set are provided with an input port and an output port; the low-speed optical switch unit module and the high-speed optical switch unit module are sequentially arranged between the wave separator set and the wave combiner set in series and respectively provided with an interface connected with a switching control unit in a node; and the tunable wavelength converters are arranged between a high-speed optical switch unit module output port and wave combiners and a low-speed optical switch unit module output port and the wave combiners. The low-speed optical switch unit module in the switch processor is used for supporting optical circuit switching, and the high-speed optical switch unit module simultaneously supports optical burst switching and the optical circuit switching; therefore the switch processor has the characteristics of flexibly, conveniently, reliably and automatically deploying hybrid optical switching modes, improving the flexibility of the optical burst switching / the optical circuit switching, the utilization rate of wavelength resources, the bearing capacity of the optical circuit switching in a network, and the like.

Description

technical field [0001] The invention belongs to the technical field of optical network communication, in particular to a switching processor for supporting core nodes of a hybrid optical switching network. Background technique [0002] With the continuous development of communication technology and the continuous emergence of various new services, people have higher and higher requirements for network bandwidth and service quality, and higher and higher requirements for the processing capacity and processing speed of network switching equipment. . The emergence of Wavelength Division Multiplexing (WDM) technology enables multiple wavelength channels to be multiplexed in a single fiber, greatly improving the transmission capacity of the fiber, and meeting the growing demand for bandwidth to a large extent. , and on this basis, three basic optical switching technologies have been produced - Optical Circuit Switching (Optical Circuit Switching, OCS, also known as wavelength ro...

AI Technical Summary

Problems solved by technology

However, due to the fixed connection configuration of the low-speed optical switching unit module and the high-speed optical switching unit module in this switching technology, once the port used for optical burst switching in the input port is selected, it can no longer be controlled by the node during the communication process. command to reconfigure it, that is, only selected ports can be used for optical burst switching

Therefore, there are defects such as poor switching flexibility, low resource utilization, and limited optical circuit switching (OCS) load capacity in the network.

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