WO2011157118A2 - 高级电信计算架构数据交换系统及交换板、数据交换方法 - Google Patents
高级电信计算架构数据交换系统及交换板、数据交换方法 Download PDFInfo
- Publication number
- WO2011157118A2 WO2011157118A2 PCT/CN2011/074934 CN2011074934W WO2011157118A2 WO 2011157118 A2 WO2011157118 A2 WO 2011157118A2 CN 2011074934 W CN2011074934 W CN 2011074934W WO 2011157118 A2 WO2011157118 A2 WO 2011157118A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data exchange
- service
- board
- channel
- atca
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/60—Software-defined switches
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/40—Constructional details, e.g. power supply, mechanical construction or backplane
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/56—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the control signals are multiplexed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13003—Constructional details of switching devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13196—Connection circuit/link/trunk/junction, bridge, router, gateway
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13292—Time division multiplexing, TDM
Definitions
- ATCA Advanced Telecommunications Computing Architecture
- PICMG Parallel Peripheral Interface Industrial Computer Manufacturing Organization
- Various modules can be used to construct communication devices and computing server devices that meet various needs.
- the PICMG 3.0 standard defines specifications for ATCA architecture and backplane interconnect topology.
- the ATCA is defined as the front and rear board structure of the middle backplane.
- the Hub Board and the Node Board also called the Node Board
- the architecture is interconnected or interconnected through a switchboard.
- ATCA supports up to 16 slots in each chassis, which supports 16 boards (including switch boards or service boards).
- Zonel Zone 1
- Zone 2 Zone 2
- Zone 3 Zone 3
- Zonel and Zone2 are defined according to the specifications, ensuring that all manufacturers' ATCA boards are compatible.
- the Zone 3 zone is customizable, and the Zone 3 zone definitions vary from manufacturer to manufacturer.
- the Zone 2 area is defined as a fabric interface, which is the main service data interaction area of the entire ATCA, also called the service data plane.
- FC Fiber Channel, Fibre Channel
- TDM Time-division multiplexing
- SAS Serial Attached
- SCSI Serial Attached SCSI
- SCSK Small Computer System Interface SATA (Serial ATA), SSD (solid-state drive), and other narrowband services (relative to the Fabric channel)
- SATA Serial ATA
- SSD solid-state drive
- other narrowband services relative to the Fabric channel
- ASIC ASIC or logic chip (such as FPGA) to convert narrowband service data such as FC, SCSK TDM, SAS into IP packets, and then through ATCA's fabric.
- the switching channel one of the differential transceiver ports pairs the signal channel formed
- the prior art has at least the following disadvantages:
- narrowband service data such as TDM
- data exchange is performed through a fabric exchange channel
- the IP protocol is complicated
- a dedicated ASIC or a logic chip such as an FPGA
- the implementation on the interface side is complicated, and the processing process brings a certain delay, thereby affecting the service performance.
- SUMMARY OF THE INVENTION The embodiments of the present invention provide a data exchange system for an advanced telecommunication computing architecture and a switching board and a data exchange method thereof, which are used to solve the problem of realizing complex and high manufacturing cost when implementing narrowband data exchange in the prior art.
- the switch board includes at least one fabric port group, and each of the fabric port groups is connected to one of the service boards through the backplane to form a first switching channel, which is used for broadband service data exchange, where the fabric port group is
- the method includes four differential transceiver port pairs, each of the differential transceiver port pairs including a pair of differential receiving ports and a pair of differential transmitting ports;
- the switching board area Zone 2 connector 20 includes at least one of the differential transceiver port pairs, and each of the differential transceiver port pairs is connected to a service board through the backplane to form a second independent of the first switching channel. And a second switching channel, configured to separately perform independent narrowband service data exchange with the broadband data exchange by using the second switching channel.
- the embodiment of the present invention further provides a switch board for the first advanced telecommunication computing architecture ATCA data exchange system, where the ATCA data exchange includes a backplane, at least one switchboard, and at least one service board;
- the switch board includes at least one fabric port group, and each of the fabric port groups is connected to one of the service boards through the backplane to form a first switching channel, which is used for broadband service data exchange, where the fabric port group is
- the method includes four differential transceiver port pairs, each of the differential transceiver port pairs including a pair of differential receiving ports and a pair of differential transmitting ports;
- the switching board area Zone 2 connector 20 includes at least one of the differential transceiver port pairs, and each of the differential transceiver port pairs is connected to a service board through the backplane to form a second independent of the first switching channel. And a second switching channel, configured to separately perform independent narrowband service data exchange with the broadband data exchange by using the second switching channel.
- FIG. 3 is a schematic structural diagram of an ATCA system according to Embodiment 1 of the present invention.
- FIG. 6 is a schematic diagram of an application scenario according to an embodiment of the present invention provided in Embodiment 3 of the present invention
- FIG. 7 is a schematic diagram of another application scenario of the embodiment of the present invention provided in Embodiment 3 of the present invention
- FIG. 9 is a schematic diagram of another application scenario according to the embodiment of the present invention
- FIG. 11 is a schematic diagram of an ATCA data exchange method according to Embodiment 6 of the present invention.
- An embodiment of the present invention provides an ATCA data exchange system, as shown in FIG. 3, including: at least one switch board, at least one service board, and a backplane;
- the fabric switching channel uses four differential receiving port pairs and the second switching channel uses one differential receiving port pair, the fabric switching channel supports the bandwidth compared to the second switching.
- the channel is a bit larger.
- the Fabirc channel can support 40G bandwidth IP services, while the second switching channel can support 2G bandwidth TDM (Time-division multiplexing) services.
- the connection (physical and electrical connection) between each board (service board and switch board) and the back board is connected through a connector.
- the connector 20 represents a connector of the standard definition number 20.
- FIG. 4 it is a schematic diagram of connecting through the connector 20 according to an embodiment of the present invention. As shown in Figure 4, each board (such as the service board and switch board) is connected to the backplane by inserting it into the relevant slot of the chassis (slots 1, 2 as shown in the figure).
- the specific connection is implemented by providing a connector (first connector) in a corresponding area of the backplane to be connected, and a connector (second connector) in a corresponding area of the single board, through two connections.
- the switch board is electrically connected to the service board through the trace of the backplane.
- the two connectors can also be regarded as one (set) connector, which is called one.
- the male connector of the connector (such as a pin) and the other female connector (such as a socket) of the connector, the embodiment and the following embodiments do not strictly distinguish the concept of the connector, and unless otherwise specified,
- the connector is considered to be a pair of connectors including a male and female head.
- Embodiments of the present invention are described in more detail based on the above embodiments.
- the embodiment of the present invention is described by including two switch boards and 12 service boards, and the topology structure adopts a double star structure as shown in FIG.
- each signal in the connector P20 is a definition of each signal in the connector P20 according to the embodiment of the present invention, it can be understood that another connector J20 also has a signal definition corresponding thereto.
- the definition of each signal in P20 is taken as an example for description.
- FB7_R0+ and FB7_R0- represent a pair of differential received signals (corresponding to a small rectangle in Fig. 5), and FB7_T0+ and FB7_T0- represent a pair of differential transmitted signals. It can be seen that channel 7 uses a total of 8 pairs of differential signals, including:
- the present invention is implemented using two pairs of differential signals, wherein one pair of differential signals is a differential transmit signal and the other pair of differential signals is a differential receive signal.
- the second switching channel 1 (FC1) includes signals as shown in Table 3, Table 3 In the middle, FC1_R+ and FC1_R1- represent a pair of differential received signals (corresponding to a small rectangle in FIG. 5), and FC1_T+ and FC1_T- represent a pair of differential transmitted signals.
- FC1_R+ and FC1_R1- represent a pair of differential received signals (corresponding to a small rectangle in FIG. 5)
- FC1_T+ and FC1_T- represent a pair of differential transmitted signals.
- the signal definitions used in the remaining second switching channels can be defined in Table 1.
- Each channel also includes a pair of differential receive signals and a pair of differential transmit signals.
- the service board needs to be connected to the two switch boards. Therefore, similar to the design of the switch board, the corresponding connector needs to be set on the service board, and then through the connector and the backboard on the backplane.
- the physical connection and the electrical connection are connected to the switch board through the traces on the backplane, so that the electrical signal connection between the service board and the switch board is realized, and the fabric exchange channel and the second exchange channel are formed.
- the connector in the service board fabric interface includes a differential transceiver port pair electrically connected through the backplane and the differential transceiver port pair forming the second switching channel in the switch fabric interface connector 20.
- connection between the two switchboards is not connected through the backplane, but is connected by cables on the front panel of the chassis, and the technology of connecting the switchboards through the panel is known to those skilled in the art. Technology, no longer detailed here.
- the fabric switching channel (the first switching channel) carries the IP data
- the second switching channel can be used to carry the FC (Fiber Channel, Fibre Channel), TDM (Time-division multiplexing), SAS (Serial) Service data such as Attached SCSI, Serial Attached SCSI, SCSK Small Computer System Interface, Serial ATA (Serial ATA), SSD (solid-state drive).
- the IP data stream is represented by a curve 62.
- the IP data stream 62 passes through an Ethernet interface of the service board, an Ethernet interface chip, and a bridge (eg, north and south).
- Bridge eg, north and south.
- Bridge CPU, Fabric 40GE MAC (service 40G Ethernet physical layer chip), backplane, switching board 1 IP switching channel, backplane to service board 2, and then through service board 2's Fabric 40GE MAC, bridge Handed over to the CPU for processing.
- the processing of the IP data stream by each of the above units is a technique well known to those skilled in the art, and will not be described in detail herein.
- the FC/TDM data stream is represented by a curve 61.
- the FC/TDM data stream passes through the FC/TDM interface, the FC/TDM processing chip, the backplane, and the TDM/FC service channel of the switchboard 1, and the back.
- the FC/TDM data is exchanged.
- the processing of the FC/TDM data by the above units is also a technique well known to those skilled in the art and will not be described in detail herein.
- FIG. 7 is another application scenario of the embodiment of the present invention.
- the processing of the IP data stream 72 is the same as the scenario shown in FIG. 6, and is not described herein.
- the FC/TDM data stream 71 is processed by the FC/TDM interface, the FC/TDM processing chip, the backplane, and the TDM/FC service switching channel of the service board 1 to the ASIC or logic chip in the service board 2, and then processed.
- the result is sent to the CPU in the service board 2 for processing.
- the processing of the FC/TDM data by the ASIC or the logic chip and the CPU is not limited, and those skilled in the art may perform the processing corresponding to the specific service on the FC/TDM data according to the specific service application.
- FIG. 8 is another application scenario of the embodiment of the present invention.
- the processing of the IP data stream 82 in the scenario is the same as the scenario shown in FIG. 6, and is not described here.
- the FC/TDM data stream is exchanged between the FC/TDM interface, the FC/TDM processing chip, the backplane, and the TDM/FC service switching channel of the service board.
- the broadband service data is IP data
- the narrowband service data is extended IP data, that is, the extended IP data bandwidth is smaller than the IP data bandwidth in the broadband service data.
- the narrowband service data carried by the second switching channel is the FC/TDM service data
- the FC/TDM service data and the IP data are separated by two independent channels in the switch board, and It is not necessary to convert the FC/TDM service data into IP data and process it through the IP switching channel, which simplifies the design, reduces the service delay, and improves the service performance.
- the narrowband service data carried by the second switching channel is extended IP data, the extension of the existing IP data service can be realized.
- the prior art converts narrowband data into IP packets through a fabric channel, and at this time, it occupies a signal channel formed by a pair of differential transceiver ports of the fabric channel to transmit narrowband service data.
- the new switching channel is added to the connector 20 in the fabric interface area, the new switching board and the service board and the backplane need to be modified accordingly (that is, the switching board and the service board). It is necessary to increase the corresponding signal definition and make electrical connections through the newly added traces on the backplane, so that the new switchboard and the old service board, or the new service board and the old switchboard will exist due to different designs. A compatibility issue.
- an electronic crossbar switch is added to the newly designed switch board and the service board.
- FIG. 10 it is a schematic diagram of two embodiments of the present invention. As shown in the figure, the switch can be set in the board or connected to the board as a gusset. When the new board is connected to the old board, the structure of the new board can be seen in Figure 10. The old board is still designed according to the existing ones. (The fabric channel has three differential transceiver ports for broadband services and one differential transceiver port for narrowband. Business).
- the channel When a new board (switch board or service board) is connected to the old board, the channel is selected through the switch, so that the new board uses a differential transceiver port of a fabric channel (if formed).
- the differential transceiver port of channel 4 in Figure 10 is used to perform narrowband data exchange to be compatible with existing equipment.
- the channel When a new board is connected to a new board, the channel is selected by switching the switch, so that the new board uses the newly added second switching channel (the channel defined by the switch board fabric interface connector 20).
- the switch board fabric interface connector 20 For narrowband switching, all four signal channels in the Fabric channel are used for broadband switching, rather than one of the channels (such as Channel 4) for narrowband switching.
- the embodiment of the present invention provides a switch board, which is applied to an ATCA data exchange system, where the ATCA data exchange system includes a backplane, at least one switchboard, and at least one service board.
- the switching board area fabric interface 20 includes at least one of the differential transceiver port pairs, and each of the differential transceiver port pairs is connected to a service board through the backplane to form a second independent of the first switching channel. And a second switching channel, configured to separately perform independent narrowband service data exchange with the broadband data exchange by using the second switching channel.
- the narrowband data is not required to be packetized and then transmitted through the first switching channel, thereby simplifying the processing of the narrowband service, reducing the service delay, and improving the service performance.
- the embodiment of the present invention provides an ATCA data exchange method based on the foregoing embodiment, including: S61, setting at least one switch board in the ATCA system, where the switch board includes at least one A fabric port group, each of which is connected to a service board through a backplane to form a first switching channel, which is used for data exchange of broadband services, where the fabric port group includes four differential transceiver port pairs, each of which The differential transceiver port pair includes a pair of differential receiving ports and a pair of differential transmitting ports; wherein the switch board includes at least one of the differential transceiver port pairs in the fabric interface connector 20 defined in the ATCA specification, each of the differences The transceiver port is connected to a service board through the backplane to form a second switching channel independent of the first switching channel, and is configured to separately perform independent narrowband service data exchange with the broadband data by using the second switching channel. exchange;
- the switch board receives broadband data from the service board, and performs broadband service data exchange by using the first switching channel.
- the switch board receives narrowband data from the service board, and performs narrowband service data exchange by using the second switching channel. .
- the execution of the two method steps S62 and S63 is not limited in sequence, and may be performed simultaneously in parallel, or only step S62 or S63 is performed in a certain period of time.
- the specific broadband service and the processing mode of the narrowband service and the specific processing unit are not limited in the embodiment of the present invention.
- the technical personnel in the field can select the processing unit related to the specific service to pass the first switching channel according to the actual application scenario. And a second switching channel to implement corresponding broadband and narrowband services.
- the narrowband data is not required to be packetized and then transmitted through the first switching channel, thereby simplifying the processing of the narrowband service, reducing the service delay, and improving the service performance.
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180001925.2A CN102918815B (zh) | 2011-05-30 | 2011-05-30 | 高级电信计算架构数据交换系统及交换板、数据交换方法 |
PCT/CN2011/074934 WO2011157118A2 (zh) | 2011-05-30 | 2011-05-30 | 高级电信计算架构数据交换系统及交换板、数据交换方法 |
EP11795084A EP2555477A4 (en) | 2011-05-30 | 2011-05-30 | DATA EXCHANGE SYSTEM, DATA EXCHANGE PLATFORM, AND DATA EXCHANGE METHOD FOR AN ADVANCED TELECOMMUNICATION ARCHITECTURE |
US13/450,020 US8811577B2 (en) | 2011-05-30 | 2012-04-18 | Advanced telecommunications computing architecture data exchange system, exchange board and data exchange method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2011/074934 WO2011157118A2 (zh) | 2011-05-30 | 2011-05-30 | 高级电信计算架构数据交换系统及交换板、数据交换方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/450,020 Continuation US8811577B2 (en) | 2011-05-30 | 2012-04-18 | Advanced telecommunications computing architecture data exchange system, exchange board and data exchange method |
Publications (2)
Publication Number | Publication Date |
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WO2011157118A2 true WO2011157118A2 (zh) | 2011-12-22 |
WO2011157118A3 WO2011157118A3 (zh) | 2012-05-03 |
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PCT/CN2011/074934 WO2011157118A2 (zh) | 2011-05-30 | 2011-05-30 | 高级电信计算架构数据交换系统及交换板、数据交换方法 |
Country Status (4)
Country | Link |
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US (1) | US8811577B2 (zh) |
EP (1) | EP2555477A4 (zh) |
CN (1) | CN102918815B (zh) |
WO (1) | WO2011157118A2 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103236991A (zh) * | 2013-03-29 | 2013-08-07 | 华为技术有限公司 | 通信系统 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108733610B (zh) * | 2013-09-03 | 2022-03-25 | 华为技术有限公司 | 一种交换板及刀片服务器 |
CN106953816A (zh) * | 2016-01-06 | 2017-07-14 | 中兴通讯股份有限公司 | 通讯交换设备 |
CN107659442A (zh) * | 2017-09-21 | 2018-02-02 | 锐捷网络股份有限公司 | 交换机背板中接口通路的设置方法、交换机背板及交换机 |
CN111221761B (zh) * | 2018-11-23 | 2024-01-30 | 比亚迪股份有限公司 | Sata接口装置和包括其的终端设备 |
CN113128148B (zh) * | 2021-04-15 | 2022-11-15 | 杭州加速科技有限公司 | 基于延时链的触发信号同步系统、方法及半导体测试设备 |
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CN1148214A (zh) * | 1995-06-05 | 1997-04-23 | 北京航空航天大学 | 多端口总线桥互连器 |
JP3686809B2 (ja) * | 2000-01-28 | 2005-08-24 | 株式会社日立コミュニケーションテクノロジー | 通信システム |
CN100530996C (zh) * | 2004-08-06 | 2009-08-19 | 华为技术有限公司 | 通信设备中实现单板主备倒换的系统及方法 |
WO2006026891A1 (fr) * | 2004-09-08 | 2006-03-16 | Utstarcom Telecom Co., Ltd. | Systeme de station de base centralisee a base de plate-forme d'architecture atca |
CN2845326Y (zh) * | 2005-11-14 | 2006-12-06 | 华为技术有限公司 | 一种atca背板和与该背板连接的交换单板及系统 |
JP4972948B2 (ja) * | 2006-02-14 | 2012-07-11 | 富士通株式会社 | バックボード伝送方法、バックボード伝送装置及び基板ユニット |
GB2453263A (en) * | 2006-05-16 | 2009-04-01 | Douglas S Greer | System and method for modeling the neocortex and uses therefor |
CN101296063B (zh) * | 2007-04-23 | 2011-01-19 | 中兴通讯股份有限公司 | 主备倒换装置及方法、单板 |
US8155520B1 (en) * | 2008-04-16 | 2012-04-10 | Cyan, Inc. | Multi-fabric shelf for a transport network |
CN201450511U (zh) * | 2009-09-10 | 2010-05-05 | 中兴通讯股份有限公司 | 增强型先进电信计算平台后插单板、系统及交换单元 |
-
2011
- 2011-05-30 EP EP11795084A patent/EP2555477A4/en not_active Ceased
- 2011-05-30 CN CN201180001925.2A patent/CN102918815B/zh active Active
- 2011-05-30 WO PCT/CN2011/074934 patent/WO2011157118A2/zh active Application Filing
-
2012
- 2012-04-18 US US13/450,020 patent/US8811577B2/en active Active
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103236991A (zh) * | 2013-03-29 | 2013-08-07 | 华为技术有限公司 | 通信系统 |
CN103236991B (zh) * | 2013-03-29 | 2016-08-24 | 华为技术有限公司 | 通信系统 |
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Publication number | Publication date |
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CN102918815B (zh) | 2016-03-30 |
EP2555477A4 (en) | 2013-03-13 |
US20120307986A1 (en) | 2012-12-06 |
WO2011157118A3 (zh) | 2012-05-03 |
CN102918815A (zh) | 2013-02-06 |
US8811577B2 (en) | 2014-08-19 |
EP2555477A2 (en) | 2013-02-06 |
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