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    • 3. 发明授权
    • Ethernet packet transmission apparatus and method
    • 以太网分组传输装置及方法
    • US07502319B2
    • 2009-03-10
    • US11197030
    • 2005-08-04
    • Ji Wook YounHyun Yong HwangJong Hyun Lee
    • Ji Wook YounHyun Yong HwangJong Hyun Lee
    • G01R31/08H04L12/28
    • H04L47/10H04L47/12H04L47/2433H04L47/2441H04L47/32H04L49/351H04L49/505
    • The Ethernet packet transmission apparatus includes: a packet transceiving unit for transceiving an Ethernet packet through a plurality of Ethernet ports; a MAC header processing unit for receiving the Ethernet packet and reading header information; a packet processing unit for receiving the Ethernet packet, classifying the received Ethernet packet on a service or destination basis, assigning a priority label to the classified Ethernet packet on a packet-by-packet basis, and outputting memory state information on the corresponding port; a congestion controlling unit for controlling a position in an output sequence of the Ethernet packet; and a signal processing unit for receiving and comparing the port state information and the memory state information and outputting either a memory control signal or a congestion control signal to control the packet processing unit and the congestion controlling unit.
    • 以太网分组发送装置包括:分组收发单元,用于通过多个以太网端口收发以太网分组; MAC报头处理单元,用于接收以太网分组并读取报头信息; 分组处理单元,用于接收以太网分组,在服务或目的地的基础上对接收到的以太网分组进行分类,在逐个分组的基础上向分类的以太网分组分配优先级标签,并在相应端口上输出存储器状态信息; 拥塞控制单元,用于控制以太网分组的输出序列中的位置; 以及信号处理单元,用于接收和比较端口状态信息和存储器状态信息,并输出存储器控制信号或拥塞控制信号以控制分组处理单元和拥塞控制单元。
    • 4. 发明授权
    • Apparatus and method for guaranteeing performance of packet in Ethernet system
    • 以太网系统中保证数据包性能的装置和方法
    • US07394835B2
    • 2008-07-01
    • US10858943
    • 2004-06-01
    • Ji Wook YounHyun Ha HongJong Hyun Lee
    • Ji Wook YounHyun Ha HongJong Hyun Lee
    • H04J3/04
    • H04J3/1617H04L49/351H04L49/602
    • Provided is an apparatus for guaranteeing the performance of Ethernet packets in an Ethernet system. A packet sorting unit receives the Ethernet packets, processes header information of the Ethernet packets, and sorts the Ethernet packets. A packet processing unit stores the Ethernet packets, calculates the number of the Ethernet packets, and outputs the Ethernet packets. A packet to synchronous digital hierarchy frame converting unit receives the Ethernet packets output from the packet processing unit, converts the received Ethernet packets into synchronous digital hierarchy frames, calculates the number of the converted frames, maps the frames to a virtual container group, and outputs the virtual container group. And a signal processing unit measures the performance of the Ethernet packets on the basis of the number of the Ethernet packets stored in the packet processing unit and the number of the frames, and outputs the first and second control signals.
    • 提供了一种用于保证以太网系统中以太网数据包的性能的设备。 数据包分类单元接收以太网数据包,处理以太网数据包的头信息,对以太网数据包进行排序。 分组处理单元存储以太网分组,计算以太网分组的数量,并输出以太网分组。 分组到同步数字层级帧转换单元接收从分组处理单元输出的以太网分组,将接收到的以太网分组转换成同步数字分层帧,计算转换帧数,将帧映射到虚拟容器组,并输出 虚拟容器组。 并且信号处理单元基于存储在分组处理单元中的以太网分组的数量和帧的数量来测量以太网分组的性能​​,并且输出第一和第二控制信号。
    • 6. 发明授权
    • Packet-optical integrated switch without optical transponder
    • 分组光集成开关,无光发送应答器
    • US08351784B2
    • 2013-01-08
    • US12628983
    • 2009-12-01
    • Hong Ju KimHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • Hong Ju KimHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • H04J14/00
    • H04Q11/0005H04J14/0212H04J14/0227H04J14/0256H04L49/352H04L49/357
    • A packet-optical integrated switch without an optical transponder, includes: a packet line card configured to output an Ethernet packet signal to a pre-set output port; a packet switch fabric configured to transfer the packet signal from the packet line card to the output port previously set in a destination address included in the packet signal; a 10 gigabit Ethernet (10 GbE)/optical transport unit level 2 (OTU2) integrated line card configured to convert the packet signal from the packet switch fabric into an OTU2 optical signal having a pre-set wavelength; and a wavelength selection switch fabric configured to allocate the optical signal from the 10 GbE/OTU2 integrated line card to a pre-set wavelength division multiplexing (WDM) port by pre-set wavelength to exchange the optical signal to each port by wavelength, wherein the packet line card, the packet switch fabric, the 10 GbE/OTU2 integrated line card, and the wavelength selection switch fabric perform the reverse operations of the process, respectively.
    • 一种没有光转发器的分组光集成交换机,包括:配置成将以太网分组信号输出到预设输出端口的分组线卡; 分组交换结构,被配置为将分组信号从分组线卡传送到预先设置在分组信号中包括的目的地地址中的输出端口; 配置为将分组交换结构的分组信号转换为具有预设波长的OTU2光信号的10吉比特以太网(10GbE)/光传输单元级2(OTU2)集成线路卡; 以及波长选择交换结构,被配置为通过预定波长将来自10GbE / OTU2集成线路卡的光信号分配给预定波分复用(WDM)端口,以通过波长将光信号交换到每个端口,其中 分组线卡,分组交换结构,10GbE / OTU2集成线路卡和波长选择交换机结构分别执行该过程的反向操作。
    • 7. 发明申请
    • PACKET-OPTICAL INTEGRATED SWITCH WITHOUT OPTICAL TRANSPONDER
    • PACKET-OPTICAL INTEGRATED SWITCH无光学传输器
    • US20100135659A1
    • 2010-06-03
    • US12628983
    • 2009-12-01
    • Hong Ju KIMHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • Hong Ju KIMHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • H04J14/00H04J14/02H04L12/56
    • H04Q11/0005H04J14/0212H04J14/0227H04J14/0256H04L49/352H04L49/357
    • A packet-optical integrated switch without an optical transponder, includes: a packet line card configured to output an Ethernet packet signal to a pre-set output port; a packet switch fabric configured to transfer the packet signal from the packet line card to the output port previously set in a destination address included in the packet signal; a 10 gigabit Ethernet (10 GbE)/optical transport unit level 2 (OTU2) integrated line card configured to convert the packet signal from the packet switch fabric into an OTU2 optical signal having a pre-set wavelength; and a wavelength selection switch fabric configured to allocate the optical signal from the 10 GbE/OTU2 integrated line card to a pre-set wavelength division multiplexing (WDM) port by pre-set wavelength to exchange the optical signal to each port by wavelength, wherein the packet line card, the packet switch fabric, the 10 GbE/OTU2 integrated line card, and the wavelength selection switch fabric perform the reverse operations of the process, respectively.
    • 一种没有光转发器的分组光集成交换机,包括:配置成将以太网分组信号输出到预设输出端口的分组线卡; 分组交换结构,被配置为将分组信号从分组线卡传送到预先设置在分组信号中包括的目的地地址中的输出端口; 配置为将分组交换结构的分组信号转换为具有预设波长的OTU2光信号的10吉比特以太网(10GbE)/光传输单元级2(OTU2)集成线路卡; 以及波长选择交换结构,被配置为通过预定波长将来自10GbE / OTU2集成线路卡的光信号分配给预定波分复用(WDM)端口,以通过波长将光信号交换到每个端口,其中 分组线卡,分组交换结构,10GbE / OTU2集成线路卡和波长选择交换机结构分别执行该过程的反向操作。
    • 8. 发明授权
    • Ethernet line card and method of providing various services using the same
    • 以太网线卡和使用其提供各种服务的方法
    • US07724667B2
    • 2010-05-25
    • US11633749
    • 2006-12-05
    • Ji Wook YounHyung Joo KimJong Hyun Lee
    • Ji Wook YounHyung Joo KimJong Hyun Lee
    • H04L12/28H04L12/56H04L12/50H04L12/26H04L12/66
    • H04L47/10H04L12/4641H04L47/2408H04L47/2433H04L47/2441H04L47/32
    • Provided are an Ethernet line card and a method of providing various services using the same. The Ethernet line card includes: a priority allocation unit setting a priority of a received Ethernet packet according to a pre-set control standard based on header information of the Ethernet packet; a quality of service (QoS) guarantee unit defining a capacity per class based on a pre-set QoS standard, inserting the Ethernet packet into a relevant class, and dropping and managing the Ethernet packet based on the priority if the Ethernet packet exceeds a capacity of the relevant class; and a signal processing unit managing and updating the pre-set control standard and the pre-set QoS standard, receiving results of processing the Ethernet packet from the priority allocation unit and the QoS guarantee unit, and storing the received results.
    • 提供以太网线路卡和使用其提供各种服务的方法。 以太网线路卡包括:优先级分配单元,基于以太网分组的报头信息,根据预设的控制标准来设置接收到的以太网分组的优先级; 服务质量(QoS)保证单元,根据预先设定的QoS标准定义每类容量,将以太网数据包插入相关类别;如果以太网数据包超过容量,则基于优先级丢弃并管理以太网数据包 的相关类; 以及管理和更新预置控制标准和预设QoS标准的信号处理单元,接收从优先级分配单元和QoS保证单元处理以太网分组的结果,并存储所接收的结果。
    • 9. 发明授权
    • Optical channel power equalizer
    • 光通道功率均衡器
    • US07274875B2
    • 2007-09-25
    • US10723508
    • 2003-11-25
    • Ji Wook YounHyun Jae LeeYool Kwon
    • Ji Wook YounHyun Jae LeeYool Kwon
    • H04B10/08H04B17/00H04J14/02
    • H04B10/07955H04B10/296
    • An optical channel power equalizer for equalizing the per-channel power levels of a multi-channel optical signal is provided. The channel power equalizer includes an optical spectrum measurement unit that extracts a portion of the amplified optical signal and measures the per-channel power levels of the extracted optical signal; a controller that compares the measured power levels with a predetermined reference value, and determines to output the degrees of attenuation per channel based on differences between the measured per-channel power levels and the reference value; and a per-channel optical attenuation unit that attenuates the per-channel power levels of a plurality of input optical signals based on the degrees of attenuation and outputs the attenuated optical signals as the plurality of channels.
    • 提供了用于均衡多通道光信号的每通道功率电平的光信道功率均衡器。 信道功率均衡器包括光谱测量单元,其提取放大的光信号的一部分并测量所提取的光信号的每通道功率电平; 控制器,其将测量的功率电平与预定参考值进行比较,并且基于测量的每通道功率电平与参考值之间的差异确定输出每个通道的衰减程度; 以及每通道光衰减单元,其基于衰减程度衰减多个输入光信号的每通道功率电平,并将衰减的光信号作为多个通道输出。
    • 10. 发明授权
    • Optical packet header processing apparatus for optical packet switch
    • 用于光分组交换的光分组报头处理装置
    • US06559989B1
    • 2003-05-06
    • US09499934
    • 2000-02-08
    • Kwang Joon KimJi Wook YounHee Sang ChungSung Un LeeJong Hyun Lee
    • Kwang Joon KimJi Wook YounHee Sang ChungSung Un LeeJong Hyun Lee
    • H04J1408
    • H04Q11/0005H04J14/08H04Q2011/0041
    • An optical packet header processing apparatus for processing a header of an optical packet expressing an address of a destination node to control a switching operation of an optical packet switch. The optical packet header processing apparatus comprises a beam splitter for splitting the optical packet header into a predetermined number of optical packet header elements, and a plurality of time interval detectors. Each of the time interval detectors receives a corresponding one of the optical packet header elements from the beam splitter and outputs a detect optical pulse if a pair of optical pulses having a predetermined time interval therebetween are present in the received optical packet header element. A plurality of optical pulse detectors are adapted to convert the detect optical pulses from the time interval detectors into electrical signals and transfer the converted electrical signals to the optical packet switch, respectively. Therefore, the optical packet switch determines the destination node in response to the electrical signals from the optical pulse detectors and outputs the optical packet to an output port corresponding to the determined destination node.
    • 一种光分组报头处理装置,用于处理表示目的地节点的地址的光分组的报头以控制光分组交换机的切换操作。 光分组报头处理装置包括分光器,用于将光分组报头分割成预定数量的光分组报头元素,以及多个时间间隔检测器。 每个时间间隔检测器从分束器接收相应的一个光分组报头元件,并且如果在接收的光分组报头元件中存在其间具有预定时间间隔的一对光脉冲,则输出检测光脉冲。 多个光脉冲检测器适于将来自时间间隔检测器的检测光脉冲转换为电信号,并将转换后的电信号分别传送到光分组交换机。 因此,光分组交换机响应于来自光脉冲检测器的电信号来确定目的地节点,并将光分组输出到与确定的目的地节点对应的输出端口。