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1. 发明授权

US07245641B2 Variable length packet switching system 失效
标题翻译：可变长度分组交换系统
公开(公告)号：US07245641B2
公开(公告)日：2007-07-17
申请号：US10247174
申请日：2002-09-19
申请人： Chan Kim , Kyeong Soo Han , Je Soo Ko , Tae Whan Yoo , Jong Hyun Lee
发明人： Chan Kim , Kyeong Soo Han , Je Soo Ko , Tae Whan Yoo , Jong Hyun Lee
IPC分类号： H04J3/04 , H04J3/02 , H04L12/50 , H04Q11/00
CPC分类号： H04L49/606 , H04L49/25 , H04L49/30 , H04L49/40 , H04L49/608 , H04L2012/562 , H04L2012/5651
摘要： Disclosed herein is a variable length packet switching system. The variable length packet switching system includes at least two switching means, a plurality of multiplexing units and a plurality of demultiplexing units. The switching means switch ATM cells or variable length packet data in parallel. The multiplexing means are arranged upstream of the switching means for multiplexing data inputted from a line card to the switching means in packet units and dividing a packet into packets of a number corresponding to the number of the switching means. The demultiplexing means are arranged downstream of the switching means for combining packets inputted after being switched in parallel by the at least two switching means and outputting the combined packet converted into a format adequate to the line card.
摘要翻译：这里公开了一种可变长度分组交换系统。可变长度分组交换系统包括至少两个切换装置，多个复用单元和多个解复用单元。切换装置并行切换ATM信元或可变长度分组数据。复用装置设置在切换装置的上游，用于将从线卡输入的数据以分组单元复用到切换装置，并将分组划分成与切换装置的数量相对应的数目的分组。解复用装置设置在切换装置的下游，用于组合由至少两个切换装置并行切换之后输入的分组，并输出转换成适合于线卡的格式的组合分组。

2. 发明授权

US07224694B2 Apparatus for and method of generating pointers for transfer of structured data in AAL1 失效
标题翻译：用于生成用于在AAL1中传输结构化数据的指针的装置和方法
公开(公告)号：US07224694B2
公开(公告)日：2007-05-29
申请号：US10251129
申请日：2002-09-20
申请人： Ho Yong Kang , Je Soo Ko , Tae Whan Yoo
发明人： Ho Yong Kang , Je Soo Ko , Tae Whan Yoo
IPC分类号： H04L12/28
CPC分类号： H04L12/5601 , H04L2012/5616 , H04L2012/5654
摘要： An apparatus for and a method of generating pointers for identifying structure boundaries of data for leased lines such as T1/E1 in an asynchronous transfer mode (ATM) adaptation layer Type 1 (AAL1) through an ATM layer. The apparatus includes a control signal generating unit for receiving a sequence number signal and a start signal, thereby generating enable signals and control signals, a next-cycle boundary generating unit for generating a next-cycle boundary value, using a pointer value and a “Pointer_P” value adapted to store a sequence of ATM cells, a modulo calculating unit for calculating a modulo obtained by dividing the next-cycle boundary value received from the next-cycle boundary generating unit by an externally-received block size value, a current-cycle boundary generating unit for generating a current-cycle boundary value, using the next-cycle boundary value received from the next-cycle boundary generating unit, the modulo received from the modulo calculating unit, and the block size value; and the pointer calculating unit for generating a pointer value for determination of structure boundaries and a “Pointer_P” value, to be supplied to the next-cycle boundary generating unit, based on the current-cycle boundary value received from the current-cycle boundary generating unit.
摘要翻译：一种生成用于通过ATM层在异步传输模式（ATM）适配层类型1（AAL1）中识别诸如T1 / E1的租用线路的数据结构边界的装置和方法。该装置包括：控制信号产生单元，用于接收序列号信号和起始信号，从而产生使能信号和控制信号;下一个周期边界产生单元，用于产生下一周期边界值;使用指针值和“ Pointer_P“值，用于计算通过将从下一周期边界产生单元接收的下一个周期边界值除以外部接收的块大小值获得的模的模计算单元，模数计算单元，循环边界产生单元，用于使用从下一周期边界产生单元接收的下一周期边界值，从模数计算单元接收的模数和块大小值来生成当前周期边界值; 以及指针计算单元，用于基于从当前周期边界生成接收到的当前周期边界值，生成用于确定结构边界的指针值和“Pointer_P”值，以提供给下一周期边界生成单元单元。

3. 发明申请

US20060136715A1 MAC security entity for link security entity and transmitting and receiving method therefor 失效
标题翻译：链路安全实体的MAC安全实体及其发送和接收方法
公开(公告)号：US20060136715A1
公开(公告)日：2006-06-22
申请号：US11266627
申请日：2005-11-03
申请人： Kyeong Soo Han , Kwang Ok Kim , Tae Whan Yoo
发明人： Kyeong Soo Han , Kwang Ok Kim , Tae Whan Yoo
IPC分类号： H04L9/00
CPC分类号： H04L63/126 , H04L9/0631 , H04L9/0637 , H04L9/3242 , H04L63/1458
摘要： An apparatus and method for providing a security function of frames transmitted between optical network terminals (OLTs) and optical network units (ONUs) in an Ethernet passive optical network (EPON) providing media access control (MAC) services are provided. The apparatus includes: a frame classifier distinguishing the type of a frame, and based on the logical link identifier (LLID) of the distinguished frame, determining whether or not the frame is a security link to which a security function is to be applied; a bypass unit delaying a no-security-function frame so that a processing time for converting the security-function-applied frame classified in the frame classifier into an encrypted frame is the same as a time for processing the no-security-function frame; and a parameter generation unit transmitting in relation to each of the LLIDs, a parameter set value including a security-function-application setting signal used in the encryption, decryption and authentication of the frame, a frame decryption signal, an encryption mode selection signal, and an authentication intensity adjustment signal.
摘要翻译：提供了一种在提供媒体访问控制（MAC）服务的以太网无源光网络（EPON）中提供在光网络终端（OLT）和光网络单元（ONU）之间传输的帧的安全功能的装置和方法。该装置包括：区分帧的类型的帧分类器，并且基于识别帧的逻辑链路标识符（LLID），确定帧是否是要应用安全功能的安全链路; 旁路单元延迟无安全功能帧，使得将分类在帧分类器中的安全功能应用帧转换为加密帧的处理时间与用于处理无安全功能帧的时间相同; 以及相关于每个所述LLID发送的参数生成单元，包括在所述帧的加密，解密和认证中使用的安全功能应用设置信号的参数设置值，帧解密信号，加密模式选择信号，和认证强度调整信号。

4. 发明授权

US07840003B2 High-speed GCM-AES block cipher apparatus and method 失效
标题翻译：高速GCM-AES块密码设备及方法
公开(公告)号：US07840003B2
公开(公告)日：2010-11-23
申请号：US11116675
申请日：2005-04-27
申请人： Kwang Ok Kim , Kyeong Soo Han , Tae Whan Yoo , Yool Kwon
发明人： Kwang Ok Kim , Kyeong Soo Han , Tae Whan Yoo , Yool Kwon
IPC分类号： H04L9/00
CPC分类号： H04L9/0637 , H04L9/3242 , H04L2209/125
摘要： A high-speed Galois Counter Mode-Advanced Encryption Standard (GCM-AES) block cipher apparatus and method is provided. The apparatus can operate at a low clock frequency of 125 MHz and provide a 2 Gbps link encryption function in an Optical Line Termination (OLT) and an Optical Network Unit (ONU) of an Ethernet Passive Optical Network (EPON). 11-round block cipher of 128- bit input data is implemented using an 8-round Counter-AES (CTR-AES) block cipher module and a 3-round CTR-AES block cipher module, so that it is possible to provide a 1 Gbps link security function for an input frequency of 62.5 MHz and a 2 Gbps link security function for an input frequency of 125 MHz.
摘要翻译：提供了高速Galois计数器模式 - 高级加密标准（GCM-AES）块密码设备和方法。该装置可以在125MHz的低时钟频率下工作，并在以太网无源光网络（EPON）的光线路终端（OLT）和光网络单元（ONU）中提供2 Gbps链路加密功能。 128位输入数据的11位块密码使用8轮计数器AES（CTR-AES）块加密模块和3轮CTR-AES块加密模块实现，因此可以提供1 输入频率为62.5 MHz的Gbps链路安全功能以及125 MHz输入频率的2 Gbps链路安全功能。

5. 发明授权

US07730305B2 Authentication method for link protection in Ethernet passive optical network 有权
标题翻译：以太网无源光网络链路保护认证方法
公开(公告)号：US07730305B2
公开(公告)日：2010-06-01
申请号：US11119246
申请日：2005-04-29
申请人： Jee Sook Eun , Tae Whan Yoo , Yool Kwon , Kyeong Soo Han
发明人： Jee Sook Eun , Tae Whan Yoo , Yool Kwon , Kyeong Soo Han
IPC分类号： H04L9/00
CPC分类号： H04L63/08 , H04L9/3236 , H04Q11/0067 , H04Q2011/0088
摘要： An authentication method for link protection between an OLT and an ONU newly connected thereto in an EPON, which is implemented in a data link layer to which cryptography is applied. First, an authentication key is distributed to both the OLT and an ONU. The OLT (or ONU) generates first and second random values, generates an authentication request frame containing the random values, and transmits it to the ONU (or OLT). The ONU generates a first hash value according to a hash function using the random values contained in the request frame, and transmits an authentication response frame containing the first hash value to the OLT. The OLT compares the first hash value with a second hash value calculated by it according to the has function using the two random values and an authentication key distributed to it, and transmits an authentication result frame to the ONU.
摘要翻译：在EPON中与OLT新连接的ONU之间的链路保护的认证方法，其实现在应用了密码术的数据链路层中。首先，向OLT和ONU分配认证密钥。 OLT（或ONU）生成第一和第二随机值，生成包含随机值的认证请求帧，并发送给ONU（或OLT）。 ONU使用包含在请求帧中的随机值根据散列函数生成第一散列值，并向OLT发送包含第一散列值的认证响应帧。 OLT根据具有两个随机值的功能和分配给它的认证密钥，将第一哈希值与其计算出的第二哈希值进行比较，并将认证结果帧发送给ONU。

6. 发明授权

US07797745B2 MAC security entity for link security entity and transmitting and receiving method therefor 失效
标题翻译：链路安全实体的MAC安全实体及其发送和接收方法
公开(公告)号：US07797745B2
公开(公告)日：2010-09-14
申请号：US11266627
申请日：2005-11-03
申请人： Kyeong Soo Han , Kwang Ok Kim , Tae Whan Yoo
发明人： Kyeong Soo Han , Kwang Ok Kim , Tae Whan Yoo
IPC分类号： G06F12/14
CPC分类号： H04L63/126 , H04L9/0631 , H04L9/0637 , H04L9/3242 , H04L63/1458
摘要： An apparatus and method for providing a security function of frames transmitted between optical network terminals (OLTs) and optical network units (ONUs) in an Ethernet passive optical network (EPON) providing media access control (MAC) services are provided. The apparatus includes: a frame classifier distinguishing the type of a frame, and based on the logical link identifier (LLID) of the distinguished frame, determining whether or not the frame is a security link to which a security function is to be applied; a bypass unit delaying a no-security-function frame so that a processing time for converting the security-function-applied frame classified in the frame classifier into an encrypted frame is the same as a time for processing the no-security-function frame; and a parameter generation unit transmitting in relation to each of the LLIDs, a parameter set value including a security-function-application setting signal used in the encryption, decryption and authentication of the frame, a frame decryption signal, an encryption mode selection signal, and an authentication intensity adjustment signal.
摘要翻译：提供了一种在提供媒体访问控制（MAC）服务的以太网无源光网络（EPON）中提供在光网络终端（OLT）和光网络单元（ONU）之间传输的帧的安全功能的装置和方法。该装置包括：区分帧的类型的帧分类器，并且基于识别帧的逻辑链路标识符（LLID），确定帧是否是要应用安全功能的安全链路; 旁路单元延迟无安全功能帧，使得将分类在帧分类器中的安全功能应用帧转换为加密帧的处理时间与用于处理无安全功能帧的时间相同; 以及相关于每个所述LLID发送的参数生成单元，包括在所述帧的加密，解密和认证中使用的安全功能应用设置信号的参数设置值，帧解密信号，加密模式选择信号，和认证强度调整信号。

7. 发明授权

US07936765B2 Method and apparatus for dynamically allocating bandwidth by hierarchical weight round robin 失效
标题翻译：通过分层权重循环动态分配带宽的方法和装置
公开(公告)号：US07936765B2
公开(公告)日：2011-05-03
申请号：US11948950
申请日：2007-11-30
申请人： Chan Kim , Tae Whan Yoo , Bong Tae Kim
发明人： Chan Kim , Tae Whan Yoo , Bong Tae Kim
IPC分类号： H04L12/28 , H04L12/56 , H04J3/16
CPC分类号： H04Q11/0067 , H04Q2011/0064 , H04Q2011/0084
摘要： Provided are method and apparatus for dynamically allocating unlink bandwidth in Ethernet PON. In the method and apparatus, report value, which are received for each logical link identifications (LLID), is controlled to be less than a maximum gate value set for each LLID in sequence for all of LLIDs without a predetermined interval. A gate having a length corresponding to the restricted report value is generated. LLIDs are grouped into classes and processing is done class by class. For each class processing, if maximum processing time is reached or maximum total allocation is reached, the processing is switched to a lower class. Also each class processing, if any higher class has its maximum yield processing time or maximum yield allocated gate reached, the processing is switched to that higher class.
摘要翻译：提供了在以太网PON中动态分配非链路带宽的方法和装置。在所述方法和装置中，针对每个逻辑链路标识（LLID）接收到的报告值被控制为小于针对所有LLID的每个LLID设置的最大门限值，而不存在预定间隔。生成与限制报告值对应的长度的门。 LLID被分组成类，处理按类完成。对于每个类处理，如果达到最大处理时间或达到最大总分配，则将处理切换到较低类。每个类处理，如果任何一个更高级别具有其最大产出处理时间或达到最大分配量的门限，则将该处理切换到该较高类。

8. 发明授权

US07599353B2 Ethernet switch, and apparatus and method for expanding port 有权
标题翻译：以太网交换机，扩展端口的设备和方法
公开(公告)号：US07599353B2
公开(公告)日：2009-10-06
申请号：US10739737
申请日：2003-12-17
申请人： Chan Kim , Tae Whan Yoo , Hyeong Ho Lee
发明人： Chan Kim , Tae Whan Yoo , Hyeong Ho Lee
IPC分类号： H04L12/66
CPC分类号： H04L49/45 , H04L49/351
摘要： An Ethernet switch having a function of expanding a port, apparatus and method for expanding a port are provided. A receiver receives a frame including predetermined port identification information. An information detector detects the predetermined port identification information and a terminal address of a terminal connected to a sub port corresponding to the predetermined port identification information. A storage unit stores an address table including the terminal address and the predetermined port identification information. A reader reads port identification information corresponding to a destination address included in the frame from the address table. A frame transformer adds the read port identification information to the frame. An output unit outputs the frame transformed by the frame transformer to a main port connected to a sub port corresponding to the read port identification information among main ports that can be connected to at least one sub port.
摘要翻译：提供具有扩展用于扩展端口的端口，装置和方法的功能的以太网交换机。接收机接收包括预定端口识别信息的帧。信息检测器检测预定端口识别信息和连接到与预定端口识别信息对应的子端口的终端的终端地址。存储单元存储包括终端地址和预定端口识别信息的地址表。读取器从地址表读取与帧中包括的目的地地址对应的端口识别信息。帧转换器将读端口识别信息添加到帧。输出单元将帧变换器变换后的帧输出到与能够与至少一个子端口连接的主端口中对应于读端口识别信息的子端口连接的主端口。

9. 发明授权

US07194672B2 CRC verification apparatus with constant delay and method thereof 失效
标题翻译：具有恒定延迟的CRC校验装置及其方法
公开(公告)号：US07194672B2
公开(公告)日：2007-03-20
申请号：US10723551
申请日：2003-11-25
申请人： Chan Kim , Seung Hwan Kim , Tae Whan Yoo , Hyeong Ho Lee
发明人： Chan Kim , Seung Hwan Kim , Tae Whan Yoo , Hyeong Ho Lee
IPC分类号： H03M13/00
CPC分类号： H03M13/091
摘要： An apparatus and method for detecting errors in received data and transferring only error-free data in data communications are provided. In the cyclic redundancy check (CRC) verification apparatus and method having a constant delay, irrespective of the length of a received data frame, input and output processing delay of received data is made to be constant. The CRC verification apparatus having constant delay comprises an input control unit which stores the start address of an input data frame in a memory storing the input data frame, and stores a CRC verification result in the start address location; and an output control unit which after a predetermined constant time passes from the start address, reads an input data frame and if the CRC verification result is normal, output the read data frame. The apparatus and method make the time taken for receiving a data frame, constant irrespective of the received data frame, while CRC verification is performed.
摘要翻译：提供了用于检测接收到的数据中的错误并且仅传送数据通信中的无错误数据的装置和方法。在具有恒定延迟的循环冗余校验（CRC）验证装置和方法中，与接收到的数据帧的长度无关，使得接收数据的输入和输出处理延迟是恒定的。具有恒定延迟的CRC校验装置包括输入控制单元，其将输入数据帧的起始地址存储在存储输入数据帧的存储器中，并将CRC验证结果存储在起始地址位置; 以及输出控制单元，其在从起始地址经过预定的恒定时间之后，读取输入数据帧，并且如果CRC验证结果正常，则输出读取的数据帧。该装置和方法使得接收数据帧所花费的时间，不管接收的数据帧是多少，而执行CRC校验。

10. 发明申请

US20080198857A1 EPON bridge apparatus and method for forwarding thereof 有权
标题翻译： EPON桥接装置及其转发方法
公开(公告)号：US20080198857A1
公开(公告)日：2008-08-21
申请号：US11514561
申请日：2006-09-01
申请人： Chan Kim , Tae Whan Yoo , Yool Kwon , Bong-Tae Kim
发明人： Chan Kim , Tae Whan Yoo , Yool Kwon , Bong-Tae Kim
IPC分类号： H04L12/66 , H04B10/00
CPC分类号： H04Q11/0067 , H04Q11/0071 , H04Q2011/0064
摘要： The invention relates to an EPON bridge apparatus and a forwarding method thereof. In case of receiving frame from the network port or the PON port, the apparatus associates the port having the received frame inputted with source MAC address of the received frame to learn the information in an FDB table which manages port information for the learned MAC address. Then the apparatus refers to the FDB table to remove LLID from upstream frame, and then forwards the upstream frame to the network port, while attaching LLID corresponding to destination MAC address to downstream frame to transmit to the PON port. Bridging between ONUs are possible with flooding capability using anti-LLID. It provides VLAN-LLID translation mode with support for VLAN tag addition/removal at the ONU side. It also provides multicast pruning function for the downstream.
摘要翻译：本发明涉及一种EPON桥接装置及其转发方法。在从网络端口或PON端口接收帧的情况下，该装置将输入的接收帧的端口与接收到的帧的源MAC地址相关联，以学习管理学习MAC地址的端口信息的FDB表中的信息。然后设备参考FDB表从上行帧删除LLID，然后将上行帧转发到网络端口，同时将对应于目的MAC地址的LLID连接到下游帧，以发送给PON端口。 ONU之间的桥接可以通过使用反向LLID的洪泛功能进行。它提供VLAN-LLID转换模式，支持ONU侧的VLAN Tag添加/删除。它还为下游提供组播剪枝功能。

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