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1. 发明申请

US20070071023A1 PACKET FORWARDING APPARATUS AND METHOD THEREOF 有权
标题翻译：分组装置及其方法
公开(公告)号：US20070071023A1
公开(公告)日：2007-03-29
申请号：US11535487
申请日：2006-09-27
申请人： Chun-Feng Liu , Jin-Ru Chen , Yi-Lun Chen
发明人： Chun-Feng Liu , Jin-Ru Chen , Yi-Lun Chen
IPC分类号： H04L12/56 , H04L12/66
CPC分类号： H04L12/46
摘要： A packet forwarding device is disclosed. The packet forwarding device includes: a transmission interface, coupled to a second network device; a processing unit, coupled to a first network device; a forwarding unit, coupled between the transmission interface and the processing unit; and an interface loop-back, coupled between the forwarding unit and the processing unit.
摘要翻译：公开了一种分组转发设备。分组转发设备包括：传输接口，耦合到第二网络设备; 耦合到第一网络设备的处理单元; 转发单元，耦合在所述传输接口和所述处理单元之间; 以及耦合在转发单元和处理单元之间的接口环回。

2. 发明申请

US20060203818A1 METHOD FOR MULTICAST PACKET FORWARDING IN A SWITCH 审中-公开
标题翻译：用于在开关中进行多路复用分组的方法
公开(公告)号：US20060203818A1
公开(公告)日：2006-09-14
申请号：US11306301
申请日：2005-12-22
申请人： Jin-Ru Chen , Yi-Lun Chen
发明人： Jin-Ru Chen , Yi-Lun Chen
IPC分类号： H04L12/56
CPC分类号： H04L45/16 , H04L49/201 , H04L49/25 , H04L49/3009
摘要： A method for multicast packet forwarding in a switch. The switch includes a look-up table and a plurality of ports. The switch transfers a multicast packet according to the look-up table. The method includes receiving the multicast packet from a port; if the multicast packet conforms to a specific transmission protocol then detecting a destination address information in the multicast packet; and checking whether the destination address information belongs to a network address set, wherein if the destination address information belongs to the network set the port is determined to be coupled to a multicast packet processing device and a corresponding relationship between the port and the multicast packet processing device is stored into the look-up table.
摘要翻译：一种交换机中组播报文转发的方法。交换机包括查找表和多个端口。交换机根据查找表传输组播数据包。该方法包括从端口接收组播报文; 如果多播分组符合特定传输协议，则检测多播分组中的目的地地址信息; 并检查目的地址信息是否属于网络地址集，其中如果目的地址信息属于网络集，则该端口被确定为耦合到多播分组处理设备，并且该端口与多播分组处理之间的对应关系设备存储在查找表中。

3. 发明授权

US07773512B2 Bandwidth control module and bandwidth control method thereof 有权
标题翻译：带宽控制模块及其带宽控制方法
公开(公告)号：US07773512B2
公开(公告)日：2010-08-10
申请号：US12070198
申请日：2008-02-15
申请人： Mao-Lin Huang , Yi-Lun Chen , Jin-Ru Chen
发明人： Mao-Lin Huang , Yi-Lun Chen , Jin-Ru Chen
IPC分类号： H04L12/54 , H04L12/26 , G08C15/00
CPC分类号： H04L47/10 , H04L47/215 , H04L47/29
摘要： A bandwidth control method is adapted for use in a network device having a system clock. The network device has a register for storing a transmittable data amount to control bandwidth. The method includes: calculating a number of elapsed periods of the system clock so as to change a counting value every predetermined time interval, the counting value being cyclic within a specific range; adjusting the transmittable data amount in the register by a first unit amount when the counting value reaches a first count value; and adjusting the transmittable data amount in the register by a second unit amount after adjusting the transmittable data amount by the first unit amount and elapse of the predetermined time interval and when the counting value corresponds to a second count value. The first count value is different from the second count value, and the first unit amount is different from the second unit amount.
摘要翻译：带宽控制方法适用于具有系统时钟的网络设备。网络设备具有用于存储可传输数据量以控制带宽的寄存器。该方法包括：计算系统时钟的经过周期数，以便每隔预定时间间隔改变计数值，计数值在特定范围内循环; 当所述计数值达到第一计数值时，将所述寄存器中的所述可发送数据量调整为第一单位量; 以及在将所述可发送数据量调整了所述第一单位量并且经过所述预定时间间隔之后以及当所述计数值对应于第二计数值时，将所述寄存器中的所述可发送数据量调整第二单位量。第一计数值与第二计数值不同，第一单位量与第二单位量不同。

4. 发明申请

US20070230339A1 Network system capable of dynamically controlling data flow and its method 有权
标题翻译：能够动态控制数据流的网络系统及其方法
公开(公告)号：US20070230339A1
公开(公告)日：2007-10-04
申请号：US11730550
申请日：2007-04-02
申请人： Jin-Ru Chen , Yi Lun Chen
发明人： Jin-Ru Chen , Yi Lun Chen
IPC分类号： H04L12/26
CPC分类号： H04L47/10 , H04L43/0882 , H04L47/21 , H04L47/2416 , H04L47/2441 , H04L47/32
摘要： A network system capable of dynamically controlling a data flow is disclosed. The network system includes: a forwarding unit, for receiving a packet and for providing a QoS (quality of service) function; and a processor, for accessing data from the forwarding unit through an interface and setting at least one parameter of the forwarding unit. The interface is coupled between the forwarding unit and the processor, and the processor executes a software program to set the at least one parameter of the forwarding unit.In this way, the forwarding unit can classify received packets into different QoS levels according to their transmission properties, and can provide different forwarding methods and QoS services to reduce the amount of the output queues physically.
摘要翻译：公开了能够动态地控制数据流的网络系统。网络系统包括：转发单元，用于接收分组并提供QoS（服务质量）功能; 以及处理器，用于通过接口访问来自转发单元的数据，并设置转发单元的至少一个参数。接口耦合在转发单元和处理器之间，并且处理器执行软件程序以设置转发单元的至少一个参数。这样，转发单元可以根据接收到的报文的传输属性将接收到的报文分为不同的QoS级别，并提供不同的转发方式和QoS服务，以减少输出队列的物理量。

5. 发明授权

US07684340B2 Packet forwarding apparatus and method thereof 有权
标题翻译：分组转发装置及其方法
公开(公告)号：US07684340B2
公开(公告)日：2010-03-23
申请号：US11535487
申请日：2006-09-27
申请人： Chun-Feng Liu , Jin-Ru Chen , Yi-Lun Chen
发明人： Chun-Feng Liu , Jin-Ru Chen , Yi-Lun Chen
IPC分类号： H04L12/26 , H04L12/56
CPC分类号： H04L12/46
摘要： A packet forwarding device is disclosed. The packet forwarding device includes: a transmission interface, coupled to a second network device; a processing unit, coupled to a first network device; a forwarding unit, coupled between the transmission interface and the processing unit; and an interface loop-back, coupled between the forwarding unit and the processing unit.
摘要翻译：公开了一种分组转发设备。分组转发设备包括：传输接口，耦合到第二网络设备; 耦合到第一网络设备的处理单元; 转发单元，耦合在所述传输接口和所述处理单元之间; 以及耦合在转发单元和处理单元之间的接口环回。

6. 发明申请

US20080198750A1 Bandwidth control module and bandwidth control method thereof 有权
标题翻译：带宽控制模块及其带宽控制方法
公开(公告)号：US20080198750A1
公开(公告)日：2008-08-21
申请号：US12070198
申请日：2008-02-15
申请人： Mao-Lin Huang , Yi-Lun Chen , Jin-Ru Chen
发明人： Mao-Lin Huang , Yi-Lun Chen , Jin-Ru Chen
IPC分类号： G08C15/00
CPC分类号： H04L47/10 , H04L47/215 , H04L47/29
摘要： A bandwidth control method is adapted for use in a network device having a system clock. The network device has a register for storing a transmittable data amount to control bandwidth. The method includes: calculating a number of elapsed periods of the system clock so as to change a counting value every predetermined time interval, the counting value being cyclic within a specific range; adjusting the transmittable data amount in the register by a first unit amount when the counting value reaches a first count value; and adjusting the transmittable data amount in the register by a second unit amount after adjusting the transmittable data amount by the first unit amount and elapse of the predetermined time interval and when the counting value corresponds to a second count value. The first count value is different from the second count value, and the first unit amount is different from the second unit amount.
摘要翻译：带宽控制方法适用于具有系统时钟的网络设备。网络设备具有用于存储可传输数据量以控制带宽的寄存器。该方法包括：计算系统时钟的经过周期数，以便每隔预定时间间隔改变计数值，计数值在特定范围内循环; 当所述计数值达到第一计数值时，将所述寄存器中的所述可发送数据量调整为第一单位量; 以及在将所述可发送数据量调整了所述第一单位量并且经过所述预定时间间隔之后以及当所述计数值对应于第二计数值时，将所述寄存器中的所述可发送数据量调整第二单位量。第一计数值与第二计数值不同，第一单位量与第二单位量不同。

7. 发明授权

US07848239B2 Network system capable of dynamically controlling data flow and its method 有权
标题翻译：能够动态控制数据流的网络系统及其方法
公开(公告)号：US07848239B2
公开(公告)日：2010-12-07
申请号：US11730550
申请日：2007-04-02
申请人： Jin-Ru Chen , Yi Lun Chen
发明人： Jin-Ru Chen , Yi Lun Chen
IPC分类号： H04J1/16
CPC分类号： H04L47/10 , H04L43/0882 , H04L47/21 , H04L47/2416 , H04L47/2441 , H04L47/32
摘要： A network system capable of dynamically controlling a data flow is disclosed. The network system includes: a forwarding unit, for receiving a packet and for providing a QoS (quality of service) function; and a processor, for accessing data from the forwarding unit through an interface and setting at least one parameter of the forwarding unit. The interface is coupled between the forwarding unit and the processor, and the processor executes a software program to set the at least one parameter of the forwarding unit.In this way, the forwarding unit can classify received packets into different QoS levels according to their transmission properties, and can provide different forwarding methods and QoS services to reduce the amount of the output queues physically.
摘要翻译：公开了能够动态地控制数据流的网络系统。网络系统包括：转发单元，用于接收分组并提供QoS（服务质量）功能; 以及处理器，用于通过接口访问来自转发单元的数据，并设置转发单元的至少一个参数。接口耦合在转发单元和处理器之间，并且处理器执行软件程序以设置转发单元的至少一个参数。这样，转发单元可以根据接收到的报文的传输属性将接收到的报文分为不同的QoS级别，并提供不同的转发方式和QoS服务，以减少输出队列的物理量。

8. 发明授权

US07385983B2 Network address-port translation apparatus and method 有权
标题翻译：网络地址端口转换装置及方法
公开(公告)号：US07385983B2
公开(公告)日：2008-06-10
申请号：US10430346
申请日：2003-05-07
申请人： Jin-Ru Chen , Chun-Feng Liu
发明人： Jin-Ru Chen , Chun-Feng Liu
IPC分类号： H04L12/28 , H04L12/56 , G06F15/16
CPC分类号： H04L29/12377 , H04L29/12462 , H04L61/2517 , H04L61/255 , H04L69/12 , H04L69/22
摘要： A NAPT apparatus and method implemented with hardware circuits inside a network switch controller is provided. The NAPT apparatus comprises: a translation table for storing related information of NAPT connections; an IP table for storing available translated IPs; a packet parser for receiving a packet to be performed NAPT, parsing related fields of the packet, and generating part of required indexes according to transmission direction of the packet; and a packet translation module for performing NAPT. For a forward packet, the NAPT method employs an indexing means of the translation table and IP table and a recording means to generate a translated IP and a translated port number of the forward packet. For a backward packet, a restoring action corresponding to the recording means is performed to restore required values, thereby checking validity of the backward packet and performing subsequent NAPT.
摘要翻译：提供了一种使用网络交换机控制器内的硬件电路实现的NAPT装置和方法。 NAPT装置包括：用于存储NAPT连接的相关信息的转换表; 用于存储可用的翻译IP的IP表; 分组解析器，用于接收要执行的分组NAPT，解析分组的相关字段，并根据分组的传输方向生成所需索引的一部分; 以及用于执行NAPT的分组转换模块。对于转发分组，NAPT方法采用转换表和IP表的索引装置，以及记录装置，用于生成转发的分组的转换的IP和转换的端口号。对于反向分组，执行与记录装置相对应的恢复动作以恢复所需值，从而检查反向分组的有效性并执行后续NAPT。

9. 发明申请

US20050265340A1 Network address-port translation apparatus and method 审中-公开
标题翻译：网络地址端口转换装置及方法
公开(公告)号：US20050265340A1
公开(公告)日：2005-12-01
申请号：US11142642
申请日：2005-06-01
申请人： Hung-Yu Wu , Jin-Ru Chen , Chun-Feng Liu
发明人： Hung-Yu Wu , Jin-Ru Chen , Chun-Feng Liu
IPC分类号： H04L12/56 , H04L12/66 , H04L29/08 , H04L29/12
CPC分类号： H04L29/12009 , H04L29/12377 , H04L61/2517 , H04L67/2814
摘要： A network address-port translation (NAPT) method includes: selecting a set of server IP and port from the server port table according to an external-to-internal packet; performing NAPT of the external-to-internal packet according to the selected set of server IP and server port; selecting a storage element from the translation table according to an internal-to-external packet; and performing NAPT of the internal-to-external packet according to the selected storage element.
摘要翻译：网络地址转换（NAPT）方法包括：根据外部到内部的数据包从服务器端口表中选择一组服务器IP和端口; 根据所选择的一组服务器IP和服务器端口执行外部到内部分组的NAPT; 根据内部到外部分组从转换表中选择一个存储单元; 并且根据所选择的存储元件执行内部到外部分组的NAPT。

10. 发明授权

US07623520B2 Method and apparatus for routing packets 有权
标题翻译：用于路由数据包的方法和装置
公开(公告)号：US07623520B2
公开(公告)日：2009-11-24
申请号：US10907124
申请日：2005-03-21
申请人： Chih-Hua Huang , Chun-Feng Liu , Jin-Ru Chen
发明人： Chih-Hua Huang , Chun-Feng Liu , Jin-Ru Chen
IPC分类号： H04L12/56
CPC分类号： H04L29/12018 , H04L29/12009 , H04L45/00 , H04L45/54 , H04L45/66 , H04L61/10
摘要： A method used for routing a data packet in a router having a first table used for recording a plurality of destination IP address and second table used for recording destination MAC address, wherein the plurality of destination IP address are different. The method includes: receiving a data packet and retrieving a destination IP address from the data packet; looking up an indication value corresponding to the destination IP address from the first table; selecting a destination MAC address from the second table according to the indication value as a nexthop for the data packet; and transmitting the data packet to the nexthop.
摘要翻译：一种用于路由具有用于记录多个目的地IP地址的第一表的路由器中的数据分组的方法和用于记录目的地MAC地址的第二表的方法，其中所述多个目的地IP地址不同。该方法包括：从数据包接收数据包并检索目的地IP地址; 从第一表中查找与目的地IP地址对应的指示值; 根据指示值从第二表中选择目的地MAC地址作为数据分组的下一跳; 并将数据分组发送到下一跳。

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