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    • 1. 发明授权
    • System and method for reserving a virtual connection in an IP network
    • 在IP网络中预留虚拟连接的系统和方法
    • US07320034B2
    • 2008-01-15
    • US09811038
    • 2001-03-16
    • Aline FichouJacques FieschiClaude GalandJean-Francois Le Pennec
    • Aline FichouJacques FieschiClaude GalandJean-Francois Le Pennec
    • G06F15/16
    • H04L47/822H04L45/10H04L47/18H04L47/24H04L47/70H04L47/724H04L47/781H04L47/805H04L47/808
    • A method and system for reserving a virtual connection from a source workstation to a destination workstation. Packets of data are transmitted over a network between an ingress node of the source workstation and an egress node of the destination workstation. In accordance with the method of the present invention, a reservation request is delivered from the source workstation to a reservation server. The reservation server includes a user database for storing the identification of each user allowed to access to the reservation server and also stores the rights of each user. The reservation server further includes a network database for storing the information describing a network capacity required to set up the virtual connection. A verification is then performed to determine whether or not the reservation request may be validated in view of user information within said source workstation. A second verification is performed to determine whether or not the capacity of said network is sufficient to meet the requirements of the reservation request. In response to the capacity of the network being sufficient to meet the requirements of the reservation request, a virtual connection is established from the ingress node to the egress node.
    • 一种用于将虚拟连接从源工作站预留到目标工作站的方法和系统。 数据包通过源工作站的入口节点和目标工作站的出口节点之间的网络传输。 根据本发明的方法,将预留请求从源工作站传送到预约服务器。 预约服务器包括用于存储允许访问预约服务器的每个用户的标识的用户数据库,并且还存储每个用户的权限。 预约服务器还包括网络数据库,用于存储描述建立虚拟连接所需的网络容量的信息。 然后执行验证以确定预留请求是否可以根据所述源工作站内的用户信息而被验证。 执行第二验证以确定所述网络的容量是否足以满足预留请求的要求。 响应于网络的容量足以满足预留请求的要求,建立从入口节点到出口节点的虚拟连接。
    • 3. 发明授权
    • Priority queue management system for the transmission of data frames from a node in a network node
    • 用于从网络节点中的节点传输数据帧的优先级队列管理系统
    • US06771653B1
    • 2004-08-03
    • US09664696
    • 2000-09-19
    • Jean-Francois Le PennecJacques FieschiAline FichouClaude Galand
    • Jean-Francois Le PennecJacques FieschiAline FichouClaude Galand
    • H04L1254
    • H04L49/9036H04L41/32H04L47/50H04L47/6215
    • A system for providing prioritized queue management within a data transmission network node that supports different types of data frame traffic is disclosed herein. The system includes a frame buffer for storing an incoming frame that has an identifiable frame type. A queue is pre-associated with the frame type of the incoming frame such that upon arrival of the frame at the network node, the queue stores a location address at which the frame is stored within the frame buffer such that the frame is maintained within the queue. The queue that contains the frame is stored within a frame table. Processing means are provided for determining a time at which the queue forwards the frame from the frame buffer in accordance with a pre-determined sub-queue priority list. The system further includes time metering means associated with the frame for temporally assigning the frame to a virtual sub-queue among multiple virtual sub-queues that are associated with the queue. The sub-queues are sequentially ordered according to the predetermined sub-queue priority list such that the processing means selects a highest priority frame for forwarding from the frame buffer.
    • 本文公开了一种用于在支持不同类型的数据帧业务的数据传输网络节点内提供优先级队列管理的系统。 该系统包括用于存储具有可识别帧类型的传入帧的帧缓冲器。 队列与进入帧的帧类型预先关联,使得在帧到达网络节点时,队列存储帧在帧缓冲器内被存储的位置地址,使得帧保持在 队列。 包含帧的队列存储在一个帧表中。 提供处理装置,用于根据预定的子队列优先级列表确定队列从帧缓冲器转发帧的时间。 该系统还包括与帧相关联的时间计量装置,用于在与队列相关联的多个虚拟子队列之间临时地将帧分配给虚拟子队列。 子队列根据预定的子队列优先级顺序顺序排列,使得处理装置从帧缓冲器中选择用于转发的最高优先级帧。
    • 4. 发明授权
    • Virtual private network crossovers based on certificates
    • 基于证书的虚拟专用网络交换机
    • US07574738B2
    • 2009-08-11
    • US10288574
    • 2002-11-06
    • Olivier DaudeJacques FieschiClaude GalandOlivier HericourtJean-Francois Le Pennec
    • Olivier DaudeJacques FieschiClaude GalandOlivier HericourtJean-Francois Le Pennec
    • G06F15/16
    • H04L12/4641H04L63/0236H04L63/0254H04L63/0263H04L63/0272H04L63/0281H04L63/08H04L63/0823H04L63/083H04L63/0869H04L63/101H04L63/20
    • A method and system for enabling interconnection of VPNs is disclosed. An interconnection device manages an interconnection process at one or more facilities including, for example, a gateway device. The gateway device has information relating to a plurality of VPNs, and may facilitate interconnection between devices on at least two of the VPNs by determining that one device is in fact a member of a first one of the VPNs, and by forwarding connection parameters of the first VPN to the second VPN on an as-needed basis. In this way, the gateway allows interconnection without the need for a completely centralized decision-making process, and does so independently of the type of device and/or VPN(s) being used. Moreover, the gateway may implement only those VPN parameters needed by both VPNs to communicate with one another with a desired level of security, thereby simplifying the routing and forwarding processes associated with the actual communication occurring via the interconnection. The information related to the plurality of VPNs and their respective member devices may be stored in a mapping table at the gateway, and identification parameters of a device seeking interconnection and/or associated VPN parameters may be verified by the use of digital certificates.
    • 公开了一种实现VPN互连的方法和系统。 互连设备管理包括例如网关设备在内的一个或多个设施的互连处理。 网关设备具有与多个VPN相关的信息,并且可以通过确定一个设备实际上是VPN中的第一个的成员,并且通过转发所述VPN中的第一个VPN的连接参数来促进至少两个VPN中的设备之间的互连 第一个VPN到第二个VPN根据需要。 以这种方式,网关允许互连,而不需要完全集中的决策过程,并且独立于正在使用的设备和/或VPN的类型。 此外,网关可以仅实现两个VPN所需的VPN参数,以便以期望的安全级别彼此通信,从而简化与通过互连发生的实际通信相关联的路由和转发过程。 与多个VPN及其各自的成员设备相关的信息可以存储在网关的映射表中,并且可以通过使用数字证书来验证寻求互连和/或相关VPN参数的设备的识别参数。
    • 5. 发明申请
    • Method and system for assembling segmented frames of data transmitted over a backbone network
    • 用于组合通过骨干网传输的数据分段帧的方法和系统
    • US20050117577A1
    • 2005-06-02
    • US11030298
    • 2005-01-07
    • Aline FichouClaude GalandJacques FieschiJean-Francoise Pennec
    • Aline FichouClaude GalandJacques FieschiJean-Francoise Pennec
    • H04L12/46H04L29/06H04L12/56
    • H04L29/06H04L12/4604H04L69/08H04L69/16H04L69/22H04L2212/00
    • A method and system of transmitting data frames from a sending unit (10) to a receiving unit (12) in a data transmission network comprising at least a backbone (14) wherein the data are transmitted over high speed links enabling long Maximum Transmission Units (MTU) between an ingress node (18) connected to the sending unit by a first access link (16) and an egress node (22) connected to the receiving node by a second access link (20), with at least one of the first and second access links being a low speed access link requiring the data frames to be segmented into short MTUs between the sending unit and the ingress node and between the egress node and the receiving unit. A plurality of consecutive segmented data frames (28) belonging to the same flow of data transmitted from the sending unit to the ingress node are assembled by the ingress node into an assembled data frame (30) corresponding to the long MTU, the assembled data frame is transmitted over the backbone from the ingress node to the egress node at a high speed authorized by the backbone links, and the assembled data frame is de-assembled into consecutive segmented data frames (32) corresponding to the short MTUs by the egress node before being transmitted to the receiving unit.
    • 一种将数据帧从发送单元(10)发送到至少包括主干(14)的数据传输网络中的接收单元(12)的方法和系统,其中所述数据通过高速链路传输,从而能够实现长的最大传输单元 在由第一接入链路(16)连接到发送单元的入口节点(18)和通过第二接入链路(20)连接到接收节点的出口节点(22)之间的MTU中,至少一个第一接入链路 并且第二接入链路是低速接入链路,需要将数据帧分段成发送单元和入节点之间以及出口节点与接收单元之间的短MTU。 属于从发送单元向入口节点发送的相同数据流的多个连续分段数据帧(28)由入口节点组装成对应于长MTU的组合数据帧(30),组合数据帧 以骨干链路授权的高速通过骨干网从入口节点传送到出口节点,组装好的数据帧在出口节点之前被去组装成与出口节点对应的短MTU的连续分段数据帧(32) 被发送到接收单元。
    • 6. 发明授权
    • Method and system for assembling segmented frames of data transmitted over a backbone network
    • 用于组合通过骨干网传输的数据分段帧的方法和系统
    • US06870850B1
    • 2005-03-22
    • US09512562
    • 2000-02-24
    • Aline FichouClaude GalandJacques FieschiJean-Francoise Le Pennec
    • Aline FichouClaude GalandJacques FieschiJean-Francoise Le Pennec
    • H04L12/46H04L29/06H04L12/28H04L12/56
    • H04L29/06H04L12/4604H04L69/08H04L69/16H04L69/22H04L2212/00
    • A method and system of transmitting data frames from a sending unit (10) to a receiving unit (12) in a data transmission network comprising at least a backbone (14) wherein the data are transmitted over high speed links enabling long Maximum Transmission Units (MTU) between an ingress node (18) connected to the sending unit by a first access link (16) and an egress node (22) connected to the receiving node by a second access link (20), with at least one of the first and second access links being a low speed access link requiring the data frames to be segmented into short MTUs between the sending unit and the ingress node and between the egress node and the receiving unit. A plurality of consecutive segmented data frames (28) belonging to the same flow of data transmitted from the sending unit to the ingress node are assembled by the ingress node into an assembled data frame (30) corresponding to the long MTU, the assembled data frame is transmitted over the backbone from the ingress node to the egress node at a high speed authorized by the backbone links, and the assembled data frame is de-assembled into consecutive segmented data frames (32) corresponding to the short MTUs by the egress node before being transmitted to the receiving unit.
    • 一种将数据帧从发送单元(10)发送到至少包括主干(14)的数据传输网络中的接收单元(12)的方法和系统,其中所述数据通过高速链路传输,从而能够实现长的最大传输单元 在由第一接入链路(16)连接到发送单元的入口节点(18)和通过第二接入链路(20)连接到接收节点的出口节点(22)之间的MTU中,至少一个第一接入链路 并且第二接入链路是低速接入链路,需要将数据帧分段成发送单元和入节点之间以及出口节点与接收单元之间的短MTU。 属于从发送单元向入口节点发送的相同数据流的多个连续分段数据帧(28)由入口节点组装成对应于长MTU的组合数据帧(30),组合数据帧 以骨干链路授权的高速通过骨干网从入口节点传送到出口节点,组装好的数据帧在出口节点之前被去组装成与出口节点对应的短MTU的连续分段数据帧(32) 被发送到接收单元。
    • 7. 发明授权
    • Method and system for assembling segmented frames of data transmitted over a backbone network
    • 用于组合通过骨干网传输的数据分段帧的方法和系统
    • US07400635B2
    • 2008-07-15
    • US11030298
    • 2005-01-07
    • Aline FichouClaude GalandJacques FieschiJean-Francoise Le Pennec
    • Aline FichouClaude GalandJacques FieschiJean-Francoise Le Pennec
    • H04L12/28H04L12/56
    • H04L29/06H04L12/4604H04L69/08H04L69/16H04L69/22H04L2212/00
    • A method and system of transmitting data frames from a sending unit (10) to a receiving unit (12) in a data transmission network comprising at least a backbone (14) wherein the data are transmitted over high speed links enabling long Maximum Transmission Units (MTU) between an ingress node (18) connected to the sending unit by a first access link (16) and an egress node (22) connected to the receiving node by a second access link (20), with at least one of the first and second access links being a low speed access link requiring the data frames to be segmented into short MTUs between the sending unit and the ingress node and between the egress node and the receiving unit. A plurality of consecutive segmented data frames (28) belonging to the same flow of data transmitted from the sending unit to the ingress node are assembled by the ingress node into an assembled data frame (30) corresponding to the long MTU, the assembled data frame is transmitted over the backbone from the ingress node to the egress node at a high speed authorized by the backbone links, and the assembled data frame is de-assembled into consecutive segmented data frames (32) corresponding to the short MTUs by the egress node before being transmitted to the receiving unit.
    • 一种将数据帧从发送单元(10)发送到至少包括主干(14)的数据传输网络中的接收单元(12)的方法和系统,其中所述数据通过高速链路传输,从而能够实现长的最大传输单元 在由第一接入链路(16)连接到发送单元的入口节点(18)和通过第二接入链路(20)连接到接收节点的出口节点(22)之间的MTU中,至少一个第一接入链路 并且第二接入链路是低速接入链路,需要将数据帧分段成发送单元和入节点之间以及出口节点与接收单元之间的短MTU。 属于从发送单元向入口节点发送的相同数据流的多个连续分段数据帧(28)由入口节点组装成对应于长MTU的组合数据帧(30),组合数据帧 以骨干链路授权的高速通过骨干网从入口节点传送到出口节点,组装好的数据帧在出口节点之前被去组装成与出口节点对应的短MTU的连续分段数据帧(32) 被发送到接收单元。
    • 8. 发明授权
    • Method of reinitializing dictionaries in a data transmission system
using data compression
    • 使用数据压缩在数据传输系统中重新初始化字典的方法
    • US6067381A
    • 2000-05-23
    • US67457
    • 1998-04-28
    • Alain BenayounPatrick MichelJacques FieschiJean-Francois Le Pennec
    • Alain BenayounPatrick MichelJacques FieschiJean-Francois Le Pennec
    • H03M7/30G06K9/36H03M7/34
    • H03M7/3088
    • Method of reinitializing dictionaries in a data transmission system using data compression having a transmit device and a receive device, and in which strings of characters have to be transmitted in a compressed form, the transmit device having a transmit dictionary storing codewords associated with the strings of characters which are transmitted instead of the strings of characters, the receive device having a receive dictionary storing codewords associated with the strings of characters, and both dictionaries being updated each time a new string of characters has to be transmitted so that the contents of the dictionaries remain identical. This method saves at least the addresses of the parts of the transmit or receive dictionary which have to be modified by a dictionary updating operation, builds a check message based upon the contents of the transmit dictionary updated by the dictionary updating operation, transmits the check message from the transmit device to the receive device, and then deletes in both dictionaries the parts which are determined by the saved addresses in the event that the check message does not correspond to the contents of the updated receive dictionary. This enables both dictionaries to be reinitialized in an intermediate state without being reset.
    • 在使用具有发送设备和接收设备的数据压缩的数据传输系统中重新初始化字典的方法,并且其中字符串必须以压缩形式发送,所述发送设备具有存储与字符串相关联的码字的发送字典 发送而不是字符串的字符,接收装置具有存储与字符串相关联的码字的接收字典,并且每当必须发送新的字符串字符时,两个字典都被更新,使得字典的内容 保持相同 该方法至少存储必须通过字典更新操作修改的发送或接收字典的部分的地址,基于由字典更新操作更新的发送字典的内容构建检查消息,发送检查消息 从发送设备到接收设备,然后在两个字典中删除在检查消息不对应于更新的接收字典的内容的情况下由保存的地址确定的部分。 这使得两个字典都不会被重新初始化在中间状态。
    • 9. 发明授权
    • Time division multiplex frame slot assignment system and method for
interconnecting telephone stations on a token ring network
    • 时分复用帧时隙分配系统和方法,用于在令牌环网上互连电话台
    • US5751714A
    • 1998-05-12
    • US727333
    • 1996-10-08
    • Andre AlbanoRene ChuniaudJacques FieschiPatrick MichelJean-Francois Le Pennec
    • Andre AlbanoRene ChuniaudJacques FieschiPatrick MichelJean-Francois Le Pennec
    • H04L12/43H04L12/433H04J3/12
    • H04L12/433H04L12/43
    • In a token ring network a periodic recirculating frame having a plurality of information carrying slots and a header section is used for enabling a plurality of telephone stations to exchange information carrying signals. The header is provided with a token which can assume one of three states. In the first state FF, a telephone station wanting to make a call, changes the token to the second state 00 and inserts call establishment information in the header. A server station also connected in the ring detects the second state as a request to establish a connection from and to a station specified in the header. The server changes the token to the third state AA and inserts a slot assignment in the header. All stations receiving a frame with a token in the third state examine the header. The calling station implies confirmation of the requested connection and the called station is made aware of the call and the identity of the caller. When this frame returns to the server the token state is set to FF and another station on the ring can request a slot for communication with another station.
    • 在令牌环网络中,使用具有多个信息携带时隙的周期性再循环帧和报头部分,以使多个电话台能够交换信息携带信号。 标题提供有一个可以承担三种状态之一的令牌。 在第一状态FF中,要进行呼叫的电话台将令牌改变为第二状态00,并将呼叫建立信息插入到头部中。 还连接在环中的服务器站检测到第二状态,作为与头中指定的站建立连接的请求。 服务器将令牌更改为第三个状态AA,并在标题中插入一个插槽分配。 接收具有第三状态的令牌的帧的所有站检查标题。 呼叫站意味着确认所请求的连接,并且使被叫站知道呼叫和呼叫者的身份。 当该帧返回到服务器时,令牌状态被设置为FF,并且环上的另一个站可以请求与另一站通信的时隙。