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Optical network system, scheduling method thereof and data center interconnection network

An optical network and network technology, applied in the field of optical communication, can solve the problems of high cost and many optical links, and achieve the effect of low cost, guaranteeing normal operation, and improving communication performance

Pending Publication Date: 2020-11-17
ALIBABA GRP HLDG LTD
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  • Claims
  • Application Information

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Problems solved by technology

With the expansion of cloud computing, the number of data centers is increasing. In this case, an optical network with N data centers requires N(N-1) / 2 optical links, and optical links The number of data centers has a quadratic relationship with the number of data centers, the number of required optical links is large, and the cost of the entire network is high

Method used

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  • Optical network system, scheduling method thereof and data center interconnection network
  • Optical network system, scheduling method thereof and data center interconnection network
  • Optical network system, scheduling method thereof and data center interconnection network

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Embodiment Construction

[0020] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0021] Aiming at the technical problems of the large number of optical links and the high cost of the network system in the existing optical network system, some embodiments of the present application provide an optical network system, which includes a plurality of sub-networks, wherein at least one sub-network Including the ROADM, at least one of the...

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Abstract

The embodiment of the invention provides an optical network system, a scheduling method thereof and a data center interconnection system. In the embodiment of the invention, the optical network systemcomprises a plurality of sub-networks, at least one sub-network comprises an ROADM, at least one sub-network in other sub-networks except the sub-network comprising the ROADM comprises an optical path selector, and sub-networks are in optical interconnection with the optical path selector through the ROADM. Optical connection between the sub-networks can be realized without adopting straight-through optical link connection between the sub-networks which realize optical connection through the ROADM, the number of optical links can be reduced, the interconnection structure of an optical networksystem can be simplified, and the network cost can be reduced.

Description

technical field [0001] The present application relates to the technical field of optical communication, and in particular to an optical network system, a scheduling method thereof, and a data center interconnection network. Background technique [0002] The optical interconnection between data centers, especially in the metropolitan area network, mostly adopts point-to-point direct connection, that is, there is a dedicated direct optical fiber line connection between every two data centers. With the expansion of cloud computing, the number of data centers is increasing. In this case, an optical network with N data centers requires N(N-1) / 2 optical links, and optical links The number of optical links and the number of data centers are in a quadratic relationship, the number of required optical links is large, and the cost of the entire network is high. Contents of the invention [0003] Various aspects of the present application provide an optical network system, a schedul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J14/02H04B10/038
CPCH04J14/0202H04J14/0215H04J14/0272H04J14/0287H04B10/038H04J14/02122H04J14/02
Inventor 谢崇进窦亮张欢陈赛
Owner ALIBABA GRP HLDG LTD
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