KR100989920B1 - Ethernet switch - Google Patents
Ethernet switch Download PDFInfo
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- KR100989920B1 KR100989920B1 KR1020100007541A KR20100007541A KR100989920B1 KR 100989920 B1 KR100989920 B1 KR 100989920B1 KR 1020100007541 A KR1020100007541 A KR 1020100007541A KR 20100007541 A KR20100007541 A KR 20100007541A KR 100989920 B1 KR100989920 B1 KR 100989920B1
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- South Korea
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- signal
- service
- internet
- signals
- optical
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/35—Switches specially adapted for specific applications
- H04L49/351—Switches specially adapted for specific applications for local area network [LAN], e.g. Ethernet switches
Abstract
Description
The present invention relates to an Ethernet switch, and more particularly, one or more Internet signals and one or more service signals received from an external network are respectively multiplexed for each subscriber station to be transmitted, and the multiplexed signals are gigabit Ethernet frames. The present invention relates to an Ethernet switch that is converted to and transmitted to the subscriber station.
The current communication technology environment is transformed into an environment in which anytime, anywhere, anytime device can be contacted and can perform creative collaboration through wired / wireless convergence, telecommunication broadcasting convergence, IP technology (telephony) expansion, and the emergence of integrated communication. have. The user communication environment of the company is unable to work at the desired time due to the delayed collaboration that can be caused by the increasing number of communication channels that individuals encounter, the increased mobility of workers, and the reduced probability of communication with the desired person in one attempt. The number of finishes is increasing. The paradigm of communication technology to improve the above-mentioned environment is evolving into ubiquity, which is a human-centered computer environment, due to convergence of networks, services, and devices based on All-IP.
The conventional Ethernet switch used at the edge of the network is composed of a system for multiplexing multiple 10 / 100Mbps ports into one gigabit port and transmitting them to one gigabit port. Ethernet switch can exist one or more per each floor of the building, the number of installation can be variously configured according to the size of the building, the internal shape and the number of Internet users. The network configuration in most buildings has the form described above and provides only Internet services.
According to the prior art, in order to provide services such as mobile communication signals, GPS signals, broadcast signals, and various sensing signals, a separate coaxial cable or UTP cable must be installed, which causes a waste of resources. In accordance with the problems of the prior art, the above-mentioned various service signals are simultaneously provided through the pre-installed UTP cable for connecting the conventional Ethernet switch equipment and the user terminal, and the bandwidth of the service signals to be transmitted through compression / restore There is a need for developing an Ethernet switch that uses efficiency.
The present invention has been made to improve the prior art as described above, and multiplexing one or more service signals compressed at a predetermined compression ratio by one or more Internet signals and corresponding ports, respectively, and multiplexing the multiplexed signals by a Gigabit Ethernet frame. It is an object of the present invention to provide an Ethernet switch to convert to the outside through the corresponding port.
In order to achieve the above object and to solve the problems of the prior art, an Ethernet switch according to an embodiment of the present invention is to multiplex one or more service signals compressed at a predetermined compression ratio by one or more Internet signals and corresponding ports, respectively. And converting the multiplexed signal into a gigabit Ethernet frame and transmitting it externally through each corresponding port.
In addition, the Ethernet switch according to an embodiment of the present invention, the optical cable interface matching unit for receiving one or more service signals or one or more Internet signals in the form of optical signals from the outside through the optical cable; A twisted pair interface matching unit configured to receive at least one service signal or at least one internet signal through a twisted pair; A switch processor configured to perform packet processing and forwarding of signals to provide Gigabit Ethernet standard interfacing; A data processor which compresses the at least one service signal and the at least one internet signal, matches a gigabit Ethernet frame, and digitally processes the compressed data; And a control processor for controlling operations of the data processor and the switch processor.
The optical cable interface matching unit of the Ethernet switch according to an embodiment of the present invention converts the optical signal into an electrical signal when the optical signal received from the outside through the optical cable includes an Internet signal of a Gigabit Ethernet standard transmission standard. The Internet signal is extracted, and the Internet signal is converted into a Gigabit Ethernet frame of the IEEE802.3 GMII standard through a Gigabit PHY module and transmitted to the data processor.
In addition, the optical cable interface matching unit of the Ethernet switch according to an embodiment of the present invention, if the optical signal received from the outside through the optical cable includes a service signal that is not a gigabit Ethernet standard transmission standard, the optical signal to the data processing unit It is characterized by bypass (bypass).
In addition, the twisted pair interface interface of the Ethernet switch according to an embodiment of the present invention includes a WAN port, when receiving the Internet signal through the WAN port, the Internet signal through the gigabit PHY module IEEE802.3 GMII standard It converts to a gigabit Ethernet frame of the data transmission unit through a corresponding port.
In addition, the twisted pair interface interface of the Ethernet switch according to an embodiment of the present invention includes a LAN port, when receiving the Internet signal of the Gigabit Ethernet standard transmission standard through the LAN port, the Internet of the Gigabit Ethernet standard transmission standard The signal is processed to conform to the IEEE802.3 GMII standard and is transmitted to the data processor through the corresponding port.
In addition, when the data processing unit of the Ethernet switch according to an embodiment of the present invention receives an optical signal including a service signal that is not a gigabit Ethernet standard transmission standard from the optical cable interface matching unit, the serial data of the optical signal in parallel An Internet signal and a corresponding port for converting the data into data, separating the service signal from the optical frame of the optical signal, and compressing each of the separated service signals with a predetermined compression ratio to receive the compressed service signal from the switch processor. After multiplexing for each of the multiplexed service signal and the Internet signal data to the Gigabit Ethernet frame is characterized in that the transmission to the subscriber terminal through each corresponding port.
In addition, the switch processing unit of the Ethernet switch according to an embodiment of the present invention by receiving a gigabit Ethernet frame in parallel through a GMII interface, extracts the frame for the 8-bit stream of the received gigabit Ethernet frame and CRC (Cyclic Redendancy Check), if there is no error, performs packet recognition classification, address lookup and forwarding, and traffic management functions for Layer2 switching of the extracted packets, and performs a fast Ethernet interface through the MII interface with reference to the selected forwarding table. It is characterized by transmitting a frame to another frame or another adjacent Gigabit Ethernet interface.
In addition, the Ethernet switch according to an embodiment of the present invention separates the Gigabit Ethernet frame received from the subscriber terminal into one or more Internet signals and one or more compressed service signals, the one or more Internet signals are converted to the MII interface to the external Each of the one or more compressed service signals is decompressed and restored to the original service signal, and the one or more service signals of the same type are combined with each other and then multiplexed. It transmits to the external communication network through the service signal port.
In addition, the service signal of the Ethernet switch according to an embodiment of the present invention is any one of a mobile communication signal, broadcast signal, GPS signal, sensing data signal, and the Internet signal, the Ethernet switch is the restored one or more services Among the signals, the mobile communication signals are combined with the mobile communication signals, the broadcast signals are combined with the broadcast signals, the GPS signals are combined with the GPS signals, and the sensing data signals are combined with the sensing data signals.
In addition, the Ethernet switch of the Ethernet switch according to an embodiment of the present invention compensates the system characteristics of the combined service signal through a channel-specific digital filter or AGC function, and the multiplexed service signal is mapped for each service It is characterized by transmitting to the external communication network for each service through the framer.
According to the Ethernet switch of the present invention, it is possible to obtain the effect of improving the transmission speed of the physical layer while maintaining the basic frame and frame specifications of the fast Ethernet switching device.
In addition, according to the Ethernet switch of the present invention, by compressing or restoring various wired / wireless service signals such as internet signals, mobile communication signals, broadcast signals, GPS signals, and sensing data signals at a predetermined compression ratio, The effect of transmitting various signals can be obtained.
1 is a block diagram showing the configuration of an Ethernet switch according to an embodiment of the present invention.
Figure 2 is a block diagram showing the configuration of an optical cable
Figure 3 is a block diagram showing the configuration of the twisted pair interface interface according to an embodiment of the present invention.
4 is a block diagram illustrating a signal forwarding processing function of a data processing unit according to an embodiment of the present invention.
5 is a block diagram illustrating a signal reverse processing function of a data processing unit according to an embodiment of the present invention.
6 is a block diagram showing the configuration of a
7 is a block diagram showing a configuration of a control processing unit according to an embodiment of the present invention.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
1 is a block diagram showing the configuration of an Ethernet switch according to an embodiment of the present invention.
An Ethernet switch according to an embodiment of the present invention includes an optical cable
The optical cable interface matching
The twisted pair interface matching
The configuration and operation of each of the optical cable
2 is a block diagram illustrating a configuration of an optical cable
The optical cable
When the optical signal received from the outside through the optical cable includes an Internet signal of the Gigabit Ethernet standard transmission standard, the optical cable
Functions of the optical cable
In addition, the mode of the optical cable
In the service transmission mode, the Gigabit Ethernet PHY module 115 may bypass the input signal and transmit it to the
The
3 is a block diagram illustrating a configuration of a twisted pair interface matching unit according to an exemplary embodiment of the present invention.
Twisted-wire
According to an embodiment of the present invention, the RJ-45
The twisted pair
The twisted pair
In the WAN connection mode, it receives the Internet signal from the WAN connection port and transmits the data to the
In addition, when a signal is output to the LAN connection port, the
In addition, the twisted pair
4 is a block diagram illustrating a signal forwarding processing function of a data processing unit according to an embodiment of the present invention.
According to an embodiment of the present invention, when the
The
When the
5 is a block diagram illustrating a signal reverse processing function of a data processing unit according to an embodiment of the present invention.
The
The
The
At this time, since the information is compressed as a header of the packet, the
The
6 is a block diagram showing the configuration of the
The
The
In other words, the
Conversely, the
7 is a block diagram showing a configuration of a control processing unit according to an embodiment of the present invention.
The
The system control processor of the
The
In addition, the
As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above-described embodiments, which can be variously modified and modified by those skilled in the art to which the present invention pertains. Modifications are possible. Accordingly, the spirit of the present invention should be understood only by the claims set forth below, and all equivalent or equivalent modifications thereof will belong to the scope of the present invention.
110: optical cable interface matching unit
120: twisted-pair interface interface
130: data processing unit
140: switch processing unit
150: control processing unit
Claims (12)
A twisted pair interface matching unit configured to receive an internet signal or at least one service signal from the outside through the twisted pair;
Multiplexing the Internet signal or at least one service signal received by the optical cable interface matching unit or the twisted-pair interface matching unit with signals having the same routing information, respectively, and the multiplexed Internet signal or at least one service signal into a Gigabit Ethernet frame. A data processor for digital processing to match;
A switch processor for packetizing the digitally processed Internet signal or at least one service signal to enable Gigabit Ethernet standard interfacing, and forwarding the packetized signal through a corresponding port;
And a control processing unit for controlling operations of the data processing unit and the switch processing unit.
The service signal is an Ethernet switch, characterized in that any one of a mobile communication signal, broadcast signal, GPS signal, sensing data signal, and the Internet signal.
When a signal included in an optical signal received from the outside through an optical cable is read, and the reading result includes the Internet signal satisfying the Gigabit Ethernet standard transmission standard, the optical signal is converted into an electrical signal to convert the optical signal. And extracting the internet signal from the Internet signal, converting the extracted internet signal into a gigabit ethernet frame of the IEEE802.3 GMII standard through a gigabit PHY module, and transmitting the converted internet signal to the data processor.
When a signal included in an optical signal received from an external device is read through an optical cable, and the read result indicates that the optical signal includes a service signal that does not satisfy a Gigabit Ethernet standard transmission standard, the optical signal is bypassed to the data processor. Ethernet switch characterized in that the bypass).
Includes a WAN port and a LAN port,
When receiving the Internet signal through the WAN port, converts the Internet signal into a gigabit Ethernet frame of the IEEE 802.3 GMII standard through a gigabit PHY module, and transmits to the data processing unit through the corresponding port,
When receiving the Internet signal of the Gigabit Ethernet standard transmission standard through the LAN port, the signal processing the Internet signal of the Gigabit Ethernet standard transmission standard to comply with the IEEE 802.3 GMII standard, characterized in that for transmitting to the data processing unit through the corresponding port. Ethernet switch.
It is determined whether a service signal included in the optical signal received by the optical cable interface matching unit satisfies the Gigabit Ethernet standard transmission standard, and when the service signal does not satisfy the Gigabit Ethernet standard transmission standard, parallel data of the optical signal is paralleled. Converts the service signal from an optical frame of the optical signal by multiplexing the data, and multiplexes the separated service signal with an internet signal having the same routing information, and then the data of the service signal and the multiplexed multiplexing to a gigabit Ethernet frame The Ethernet switch, characterized in that for assigning data of the Internet signal and transmitting to the subscriber terminal through the corresponding port according to the routing information.
Compressing the service signal separated from the optical signal by setting a compression ratio according to a sampling rate and a digital bit of the service signal through a predetermined compression algorithm, and multiplexing the compressed service signal with an internet signal having the same routing information. After that, convert the multiplexed signal into a gigabit Ethernet frame and transmits to the subscriber terminal through the corresponding port.
Gigabit Ethernet frames are received in parallel through a GMII interface, and frames for the 8-bit streams of the received Gigabit Ethernet frames are extracted and a cyclic redendancy check (CRC) check is performed to determine if there is no error. Perform packet-aware classification, address lookup and forwarding, and traffic management for switching, and refer to the selected forwarding table to send frames through the MII interface to the Fast Ethernet interface or to transmit frames to other adjacent Gigabit Ethernet interfaces. Ethernet switch characterized by.
The Ethernet switch separates a gigabit Ethernet frame received from a subscriber station into one or more Internet signals and one or more compressed service signals, converts the one or more Internet signals into an MII interface, and transmits each to an external Internet network. The compressed service signal is decompressed to restore the original service signal, and the restored one or more service signals are combined with each other and then multiplexed to transmit to the external communication network through the corresponding service signal port. Ethernet switch, characterized in that.
The service signal may be any one of a mobile communication signal, a broadcast signal, a GPS signal, a sensing data signal, and an internet signal. The Ethernet switch may combine mobile communication signals among mobile communication signals among the restored one or more service signals. The signals are combined with the broadcast signals, the GPS signals are combined with the GPS signals, the sensing data signals are combined with the sensing data signals Ethernet switch.
The Ethernet switch compensates the system characteristics of the combined service signal through a digital filter or AGC function for each channel, and transmits the multiplexed service signal to an external communication network for each service through a framer mapped for each service. Ethernet switch.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100007541A KR100989920B1 (en) | 2010-01-27 | 2010-01-27 | Ethernet switch |
PCT/KR2010/009193 WO2011093593A2 (en) | 2010-01-27 | 2010-12-22 | Ethernet switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100007541A KR100989920B1 (en) | 2010-01-27 | 2010-01-27 | Ethernet switch |
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KR100989920B1 true KR100989920B1 (en) | 2010-10-26 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020100007541A KR100989920B1 (en) | 2010-01-27 | 2010-01-27 | Ethernet switch |
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KR (1) | KR100989920B1 (en) |
WO (1) | WO2011093593A2 (en) |
Families Citing this family (1)
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US10334334B2 (en) * | 2016-07-22 | 2019-06-25 | Intel Corporation | Storage sled and techniques for a data center |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990075562A (en) * | 1998-03-21 | 1999-10-15 | 김영환 | Service Access Multiplexer in Asynchronous Transfer Mode |
KR19990075563A (en) * | 1998-03-21 | 1999-10-15 | 김영환 | Service Access Multiplexer in Asynchronous Transfer Mode |
KR100503815B1 (en) | 2004-02-02 | 2005-07-27 | (주) 지피시스 | Backplane of ip swiching system |
KR20070001901A (en) * | 2003-12-16 | 2007-01-04 | 텔레폰악티에볼라겟엘엠에릭슨(펍) | Ethernet dsl access multiplexer and method providing dynamic service selection and end-user configuration |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100678246B1 (en) * | 2004-12-28 | 2007-02-02 | 삼성전자주식회사 | Ethenet Passive Optical Network System |
KR100809435B1 (en) * | 2006-12-08 | 2008-03-05 | 한국전자통신연구원 | Method for controlling bandwidth in subscriber network and system thereof |
-
2010
- 2010-01-27 KR KR1020100007541A patent/KR100989920B1/en not_active IP Right Cessation
- 2010-12-22 WO PCT/KR2010/009193 patent/WO2011093593A2/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990075562A (en) * | 1998-03-21 | 1999-10-15 | 김영환 | Service Access Multiplexer in Asynchronous Transfer Mode |
KR19990075563A (en) * | 1998-03-21 | 1999-10-15 | 김영환 | Service Access Multiplexer in Asynchronous Transfer Mode |
KR20070001901A (en) * | 2003-12-16 | 2007-01-04 | 텔레폰악티에볼라겟엘엠에릭슨(펍) | Ethernet dsl access multiplexer and method providing dynamic service selection and end-user configuration |
KR100503815B1 (en) | 2004-02-02 | 2005-07-27 | (주) 지피시스 | Backplane of ip swiching system |
Also Published As
Publication number | Publication date |
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WO2011093593A3 (en) | 2011-11-03 |
WO2011093593A2 (en) | 2011-08-04 |
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