公开(公告)号：US08018839B2

公开(公告)日：2011-09-13

申请号：US12371300

申请日：2009-02-13

申请人： Andre Poulin

发明人： Andre Poulin

IPC分类号： H04L1/00 ,  H04L12/26 ,  H04B7/212

CPC分类号： H04L45/22 ,  H04L45/00 ,  H04L45/28 ,  H04L45/586 ,  H04L45/68 ,  H04L47/34 ,  H04L49/552 ,  H04L69/40

摘要： Exemplary embodiments relate to a network node implementing redundant cards and configured to synchronize sequence numbers, and a related method. The network node may include a fabric configured to route packets towards a destination. Furthermore, the network node may include an active card configured to establish at least one link to a destination node, generate a sequence number for each packet to be sent, and send a messaging packet including at least one sequence number from the active card to inactive cards over a communication channel on a data path in the fabric. Finally, the network node may include an inactive card configured to receive the messaging packet including the at least one sequence number from the active card over the communication channel, extract the at least one sequence number, and synchronize operation of the inactive card to the active card using the at least one sequence number.

摘要翻译： 示例性实施例涉及实现冗余卡并被配置为同步序列号的网络节点以及相关方法。 网络节点可以包括被配置为向目的地路由分组的结构。 此外，网络节点可以包括被配置为建立到目的地节点的至少一个链路的活动卡，为要发送的每个分组生成序列号，并将包括至少一个序列号的消息包从活动卡发送到不活动 通过通信信道上的数据路径上的卡。 最后，网络节点可以包括非活动卡，其被配置为通过通信信道从活动卡接收包括至少一个序列号的消息收发包，提取至少一个序列号，并将非活动卡的操作同步到活动 卡使用至少一个序列号。

公开(公告)号：US07822056B2

公开(公告)日：2010-10-26

申请号：US12397955

申请日：2009-03-04

申请人： Michel Rochon ,  Adrian Alfred Ellsworth ,  Vernon Joshua Stanley Dennis ,  Andre Poulin

发明人： Michel Rochon ,  Adrian Alfred Ellsworth ,  Vernon Joshua Stanley Dennis ,  Andre Poulin

IPC分类号： H04L12/56

CPC分类号： H04L45/00 ,  H04L45/38 ,  H04L69/04 ,  H04L69/22

摘要： Various exemplary embodiments relate to a method and related network node including one or more of the following: maintaining a line card activity number at each line card in the node; receiving a first packet belonging to a flow; storing, at each line card, a flow record in a line card context identifier storage, wherein the flow record contains a flow activity number being initially set equal to a current value of the line card activity number; detecting, by the second line card, a change in designation to active and changing the value of the line card activity number maintained by the second line card; receiving a second packet belonging to the flow; and transmitting, to the decompressor node, an update packet including the flow context identifier and the flow identifying information, upon determining that the flow activity number is not equal to the updated line card activity number.

摘要翻译： 各种示例性实施例涉及包括以下中的一个或多个的方法和相关网络节点：在节点中的每个线路卡处维护线路卡活动号码; 接收属于流的第一分组; 在每个线卡处存储线卡上下文标识符存储器中的流记录，其中流记录包含初始设置为等于线卡活动号码的当前值的流活动号; 通过所述第二线卡检测对所述活动的指定的改变，并且改变由所述第二线卡维持的所述线路卡活动次数的值; 接收属于该流的第二分组; 以及在确定所述流动活动数不等于所述更新的线路卡活动号码时，向所述解压缩器节点发送包括所述流上下文标识符和所述流标识信息的更新分组。

公开(公告)号：US20100208582A1

公开(公告)日：2010-08-19

申请号：US12371300

申请日：2009-02-13

申请人： Andre Poulin

发明人： Andre Poulin

IPC分类号： H04J3/06 ,  G06F11/00

CPC分类号： H04L45/22 ,  H04L45/00 ,  H04L45/28 ,  H04L45/586 ,  H04L45/68 ,  H04L47/34 ,  H04L49/552 ,  H04L69/40

摘要： Exemplary embodiments relate to a network node implementing redundant cards and configured to synchronize sequence numbers, and a related method. The network node may include a fabric configured to route packets towards a destination. Furthermore, the network node may include an active card configured to establish at least one link to a destination node, generate a sequence number for each packet to be sent, and send a messaging packet including at least one sequence number from the active card to inactive cards over a communication channel on a data path in the fabric. Finally, the network node may include an inactive card configured to receive the messaging packet including the at least one sequence number from the active card over the communication channel, extract the at least one sequence number, and synchronize operation of the inactive card to the active card using the at least one sequence number.

摘要翻译： 示例性实施例涉及实现冗余卡并被配置为同步序列号的网络节点以及相关方法。 网络节点可以包括被配置为向目的地路由分组的结构。 此外，网络节点可以包括被配置为建立到目的地节点的至少一个链路的活动卡，为要发送的每个分组生成序列号，并将包括至少一个序列号的消息包从活动卡发送到不活动 通过通信信道上的数据路径上的卡。 最后，网络节点可以包括非活动卡，其被配置为通过通信信道从活动卡接收包括至少一个序列号的消息收发包，提取至少一个序列号，并将非活动卡的操作同步到活动 卡使用至少一个序列号。

公开(公告)号：US07420926B2

公开(公告)日：2008-09-02

申请号：US10865870

申请日：2004-06-14

申请人： Allan Randall Law ,  Steven Douglas Margerm ,  Andre Poulin ,  Robert Morton ,  Steve Driediger ,  Jason Sterne ,  Paul Nadj

发明人： Allan Randall Law ,  Steven Douglas Margerm ,  Andre Poulin ,  Robert Morton ,  Steve Driediger ,  Jason Sterne ,  Paul Nadj

IPC分类号： G01R31/08 ,  G06F11/00

CPC分类号： H04L49/3081 ,  H04L49/30 ,  H04L49/3009 ,  H04L49/555 ,  H04L2012/5625 ,  H04L2012/5628 ,  H04L2012/5652 ,  H04Q11/0478

摘要： A method for identifying faulty modules within telecommunication devices, such as ATM switches, involves generating and attaching verification codes, such as a CRC or checksum codes, to data packets at an upstream location determining the integrity of the verification codes at each of multiple downstream location within a telecommunication device; and signaling an error condition where a corrupted data packet has been detected. A verification code may be written to a field of a data packet which is not used while the packet is in transit through the telecommunication device.

摘要翻译： 一种用于识别诸如ATM交换机之类的电信设备内的有缺陷的模块的方法涉及生成和附加诸如CRC或校验和码的验证码到上游位置处的数据分组，从而确定多个下游位置的每一个处的验证码的完整性 在电信设备内; 并发出已经检测到损坏的数据分组的错误状况。 可以在通过电信设备传输分组时将验证码写入到未使用的数据分组的字段。

公开(公告)号：US10601610B2

公开(公告)日：2020-03-24

申请号：US15480297

申请日：2017-04-05

申请人： Andre Poulin ,  Michel Rochon ,  Alp Dibirdi

发明人： Andre Poulin ,  Michel Rochon ,  Alp Dibirdi

IPC分类号： H04L12/46 ,  H04L12/721 ,  H04L29/06 ,  H04L29/08 ,  H04L12/749 ,  H04L12/911

摘要： This disclosure generally discloses a tunnel-level fragmentation and reassembly capability configured to support tunnel-level fragmentation and reassembly of a packet being transported via a tunnel between a tunnel source node and a tunnel destination node. The tunnel-level fragmentation and reassembly capability may be configured to support tunnel-level fragmentation and reassembly of packets in a manner tending to prevent reassembly errors, that could cause malformed packets or packet drops at the tunnel destination nodes, due to multiple parallel tunnel contexts of the tunnel which may correspond to multiple parallel entry points into the tunnel at the tunnel source node. The tunnel-level fragmentation and reassembly capability may be configured to support tunnel-level fragmentation and reassembly of packets within various types of communication networks, for various types of tunnels, or the like.

公开(公告)号：US20180294993A1

公开(公告)日：2018-10-11

申请号：US15480297

申请日：2017-04-05

申请人： Andre Poulin ,  Michel Rochon ,  Alp Dibirdi

发明人： Andre Poulin ,  Michel Rochon ,  Alp Dibirdi

IPC分类号： H04L12/46 ,  H04L12/721 ,  H04L29/06 ,  H04L29/08 ,  H04L12/749

CPC分类号： H04L12/4633 ,  H04L45/66 ,  H04L45/741 ,  H04L47/825 ,  H04L69/166 ,  H04L69/22 ,  H04L69/324

摘要： This disclosure generally discloses a tunnel-level fragmentation and reassembly capability configured to support tunnel-level fragmentation and reassembly of a packet being transported via a tunnel between a tunnel source node and a tunnel destination node. The tunnel-level fragmentation and reassembly capability may be configured to support tunnel-level fragmentation and reassembly of packets in a manner tending to prevent reassembly errors, that could cause malformed packets or packet drops at the tunnel destination nodes, due to multiple parallel tunnel contexts of the tunnel which may correspond to multiple parallel entry points into the tunnel at the tunnel source node. The tunnel-level fragmentation and reassembly capability may be configured to support tunnel-level fragmentation and reassembly of packets within various types of communication networks, for various types of tunnels, or the like.

公开(公告)号：US08938579B2

公开(公告)日：2015-01-20

申请号：US13630157

申请日：2012-09-28

申请人： Toby J. Koktan ,  Andre Poulin ,  Michel Rochon

发明人： Toby J. Koktan ,  Andre Poulin ,  Michel Rochon

IPC分类号： G11C15/00 ,  G06F12/00 ,  H04L12/773

CPC分类号： G11C15/00 ,  H04L45/60 ,  H04L45/7457

摘要： Various exemplary embodiments relate to a method and related network node including one or more of the following: determining that a first search value is associated with a first range field; determining a first bitmap associated with the first search value, wherein the first bitmap indicates at least one range encompassing the first search value; generating a search key based on the first bitmap; and accessing the ternary content addressable memory based on the search key.

摘要翻译： 各种示例性实施例涉及包括以下中的一个或多个的方法和相关网络节点：确定第一搜索值与第一范围字段相关联; 确定与所述第一搜索值相关联的第一位图，其中所述第一位图指示包含所述第一搜索值的至少一个范围; 基于第一位图生成搜索关键字; 以及基于搜索关键字访问三元内容可寻址存储器。

公开(公告)号：US08345680B2

公开(公告)日：2013-01-01

申请号：US12437274

申请日：2009-05-07

申请人： Andre Poulin ,  Andrian Ellsworth ,  Michel Rochon ,  Wayne Groff

发明人： Andre Poulin ,  Andrian Ellsworth ,  Michel Rochon ,  Wayne Groff

IPC分类号： H04L12/28 ,  H04L12/56

CPC分类号： H04L12/66

摘要： Various exemplary embodiments relate to a method and related network node having a playout buffer including one or more of the following: receiving a first packet, a second packet, a first set of at least one subsequent packet, wherein each packet includes a sequence number (SN); determining that the second packet is not in sequence with the first packet by determining that the SN of the second packet is not equal to the SN of the first packet plus an expected increment value; determining whether the second packet represents a jump in SNs by determining whether the SN of a first subsequent packet is equal to the SN of the second packet plus the expected increment value; and when the second packet represents a jump in SNs, gradually normalizing the playout buffer upon receipt of each subsequent packet.

摘要翻译： 各种示例性实施例涉及具有包括以下中的一个或多个的播出缓冲器的方法和相关网络节点：接收第一分组，第二分组，至少一个后续分组的第一集合，其中每个分组包括序列号（ SN）; 通过确定第二分组的SN不等于第一分组的SN加上期望的增量值，确定第二分组不与第一分组顺序; 通过确定第一后续分组的SN是否等于第二分组的SN加上预期增量值来确定第二分组是否表示SN中的跳转; 并且当第二分组表示SN中的跳转时，在接收到每个后续分组时逐渐对播放缓冲进行标准化。

公开(公告)号：US08086910B1

公开(公告)日：2011-12-27

申请号：US12826102

申请日：2010-06-29

申请人： Toby Koktan ,  Andre Poulin

发明人： Toby Koktan ,  Andre Poulin

IPC分类号： G06F11/00

CPC分类号： G06F11/3466 ,  G06F11/0715 ,  G06F11/0757 ,  G06F11/0793 ,  G06F11/3409 ,  G06F11/3423 ,  G06F2201/865

摘要： The invention is directed to monitoring execution of software threads, particularly by detecting a lockup or stall in execution of a software thread and initiating a remedial action in response. Advantageously, some embodiments of the invention automatically detect a lockup or stall in execution of a software thread by periodically sampling information corresponding to the thread, and, in accordance with a determination made using the information, initiate an attempt to recover from such a condition in execution without the need for manual intervention.

摘要翻译： 本发明涉及监视软件线程的执行，特别是通过在执行软件线程中检测锁定或停止并且作出响应来启动补救动作。 有利地，本发明的一些实施例通过周期性地对与线程相对应的信息来自动检测执行软件线程的锁定或停顿，并且根据使用该信息进行的确定，开始尝试从这样的条件恢复 执行而不需要手动干预。

公开(公告)号：US20100172357A1

公开(公告)日：2010-07-08

申请号：US12349324

申请日：2009-01-06

申请人： Andre Poulin ,  Wayne Groff

发明人： Andre Poulin ,  Wayne Groff

IPC分类号： H04L12/56

CPC分类号： H04L12/4633 ,  H04L49/90 ,  H04L65/604 ,  H04L65/80 ,  H04L2007/045

摘要： Various exemplary embodiments relate to a method and related node for outputting packets from a playout buffer in a node in a packet-switched network including one or more of the following: configuring a Time-Division Multiplexing (TDM) pseudowire terminating at the node; receiving a plurality of fixed-length packets transmitted over the TDM pseudowire; adding the plurality of fixed-length packets to the playout buffer such that the playout buffer reaches a current fill level; inserting at least one dummy packet into the playout buffer, wherein a total length of the at least one dummy packet is equal to a target fill level of the playout buffer minus the current fill level and the target fill level represents a minimum fill level required before output of packets from the playout buffer; and outputting the plurality of fixed-length packets and the at least one dummy packet from the playout buffer.

摘要翻译： 各种示例性实施例涉及用于从分组交换网络中的节点中的播出缓冲器输出包括以下一个或多个的分组的方法和相关节点：配置在该节点处终止的时分复用（TDM）伪线; 接收通过TDM伪线发送的多个固定长度分组; 将多个固定长度分组添加到播放缓冲器，使得播放缓冲器达到当前填充级别; 将至少一个虚拟包插入到播放缓冲器中，其中至少一个虚拟包的总长度等于播放缓冲区的目标填充级别减去当前填充级别，并且目标填充级别表示在此之前所需的最小填充级别 从播放缓冲区输出数据包; 以及从所述播放缓冲器输出所述多个固定长度分组和所述至少一个虚拟分组。