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Heterogeneous FC-AE-1553 network system and exchange method

A network system and network switching technology, applied in heterogeneous FC-AE-1553 network systems and switching fields, can solve the problems of complex application scenarios and no support for hybrid FC-AE-1553 bus systems.

Active Publication Date: 2015-05-13
TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI
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  • Abstract
  • Description
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Problems solved by technology

But in fact, the current shipboard, spaceborne and other application scenarios are more complicated, and often require both structures
Currently there is no hybrid FC-AE-1553 bus system that supports both topologies

Method used

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  • Heterogeneous FC-AE-1553 network system and exchange method
  • Heterogeneous FC-AE-1553 network system and exchange method
  • Heterogeneous FC-AE-1553 network system and exchange method

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Embodiment Construction

[0070] Abbreviations and key terms are defined as follows in the present invention:

[0071] FC: Fiber Channel, Fiber Channel protocol;

[0072] FC-AE: Fiber Channel-Avionics Environment, a fiber channel protocol for aviation environment applications;

[0073] NT: network terminal (network terminal);

[0074] NC: network controller (network controller);

[0075] RT: remote terminal (remote terminal);

[0076] PON: passive optical network (passive optical network);

[0077] ODN: Passive Optical Distribution Network;

[0078] Serdes: serial-to-parallel conversion;

[0079] ELS: Extended Link Service, extended link protocol, used to realize functions such as parameter negotiation between node cards and node cards, node cards and switches;

[0080] Node card: terminal equipment in the FC network;

[0081] SW: switch (switch);

[0082] 1553 bridge: a protocol conversion device connecting FC-AE-1553 and MIL-STD-1553B, referred to as 1553 bridge;

[0083] PON bridge: a conve...

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Abstract

The invention relates to a heterogeneous FC-AE-1553 network system and an exchange method. The heterogeneous FC-AE-1553 network system is compatible with an exchange type general FC port and a bus type PON port and also provides access support for an MIL-STD-1553B remote terminal. According to the heterogeneous FC-AE-1553 network system and the exchange method, the concept of logical groups is proposed, the coexistence of a plurality of NC is supported, the application of a complex system can be divided into a plurality of logical groups, and therefore, efficient communication in the logical groups can be achieved, the complexity of the system is reduced, and the system reliability can be ensured; the automatic configuration of the address and service parameters of the heterogeneous system ports is supported, which facilitates device maintenance and management.

Description

technical field [0001] The invention relates to the field of data bus technology, in particular to a heterogeneous FC-AE-1553 network system and switching method. Background technique [0002] With the development of aerospace electronic data bus, MIL-STD-1553B is more and more unable to meet high-speed applications because of its rate of only 1Mbps. Fiber Channel protocol (FiberChannel, FC) is currently widely used in the fourth generation of U.S. A serial communication protocol for fighter jets, which combines the advantages of both channel and network. FC is a high-speed serial communication protocol developed by the X3T11 group of the American National Standards Institute (ANSI) in 1988, and has now formed a huge network protocol cluster. FC is a completely open commercial standard, and there are FC-AE protocol subsets for avionics application environments, such as FC-AE-1553, FC-AE-ASM, FC-AE-RDMA, etc. The application protocol involved in the FC-AE standard has the c...

Claims

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Application Information

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IPC IPC(8): H04L12/40H04L12/931
Inventor 曹素芝房亮吴少俊张善从史岩华曹丽剑
Owner TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI
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