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    • 4. 发明申请
    • VIRTUAL CONNECTION ROUTE SELECTION APPARATUS AND TECHNIQUES
    • 虚拟连接线路选择装置及技术
    • WO2008104963A2
    • 2008-09-04
    • PCT/IB2008/051803
    • 2008-02-22
    • ALCATEL LUCENT
    • AISSAOUI, MustaphaDOLGANOW, Andrew
    • H04L45/121H04L12/66H04L45/02H04L45/04H04L45/12H04L45/124H04L45/44H04L45/50H04L47/10
    • Virtual connection route selection apparatus and techniques are disclosed. At a communication traffic routing apparatus, metric information associated with multiple different routes for a virtual connection, such as a PseudoWire, toward a destination is collected. The metric information may be collected from one or more remote route computation elements capable of computing routes for virtual connections between the routing apparatus and other routing apparatus over an underlying communication system, or during actual establishment of the virtual connections, for example. An initial or re-optimized route for a virtual connection can then be selected at the routing apparatus based on the collected metric information. In some embodiments, although the virtual connection routes are paths computed by Path Computation Elements (PCEs), actual path selection decisions are distributed to routers.
    • 公开了虚拟连接路由选择装置和技术。 在通信业务路由装置处,收集与用于虚拟连接的多个不同路由(例如PseudoWire)相关联的度量信息。 例如,可以从一个或多个远程路由计算单元收集度量信息,该计算单元能够计算在下层通信系统上或者在实际建立虚拟连接期间路由装置与其他路由装置之间的虚拟连接的路由。 然后可以基于收集的度量信息在路由装置处选择用于虚拟连接的初始或重新优化的路由。 在一些实施例中,虽然虚拟连接路由是由路径计算元件(PCE)计算的路径,但是实际路径选择决定被分配给路由器。
    • 8. 发明申请
    • CONDITIONAL ACTION FOLLOWING TCAM FILTERS
    • 关于TCAM过滤器的条件行为
    • WO2015177635A1
    • 2015-11-26
    • PCT/IB2015/001051
    • 2015-04-21
    • ALCATEL LUCENT
    • DOLGANOW, AndrewFRENCH, Mark
    • H04L12/741H04L29/06
    • H04L47/125H04L45/00H04L45/7457H04L69/22
    • A method for providing a conditional action following TCAM lookup is disclosed. The method for providing a conditional action following TCAM lookup includes obtaining (204) data; generating (206) a lookup key from the data; performing (208) a TCAM lookup using the key; and in the event the TCAM lookup generates a match, then performing (211) a test to determine if there is exists a condition associated with the action associated with that match, and in the event the there is a condition, evaluating (213) said condition associated with the action of that match entry; and in the event that said condition is satisfied, then performing (217) a conditional action. The data may be obtained from a communications packet header, as for example in cases of Deep Packet Inspection processing wherein portions of payload contents may be used. The condition evaluation may be one of packet length or Time to Live (TTL) value, and the action taken may be one of dropping or forwarding a communications packet. The method for providing a conditional action following TCAM lookup is particularly useful for reducing the quantity of entries in a TCAM of TCAM filters known in the art.
    • 公开了一种用于提供TCAM查找之后的条件动作的方法。 用于提供TCAM查找之后的条件动作的方法包括获得(204)数据; 从数据生成(206)查找密钥; 使用该密钥执行(208)TCAM查找; 并且在TCAM查找生成匹配的情况下,然后执行(211)测试以确定是否存在与与该匹配相关联的动作相关联的条件,并且在存在条件的情况下,评估(213)所述 与该匹配条目的动作相关联的条件; 并且在满足所述条件的情况下,则执行(217)条件动作。 数据可以从通信分组报头获得,例如在深度分组检测处理的情况下,其中可以使用有效载荷内容的部分。 条件评估可以是分组长度或生存时间(TTL)值之一,并且采取的动作可以是丢弃或转发通信分组之一。 用于提供TCAM查找之后的条件动作的方法对于减少本领域已知的TCAM滤波器的TCAM中的条目数量是特别有用的。
    • 9. 发明申请
    • IN-BAND DPI MEDIA RESERVATION MODIFICATIONS TO RFC 3313
    • IN-BAND DPI媒体预约对RFC 3313的修改
    • WO2010023645A1
    • 2010-03-04
    • PCT/IB2009/054057
    • 2009-08-19
    • ALCATEL LUCENTDOLGANOW, AndrewMORIN, Steven, Edward
    • DOLGANOW, AndrewMORIN, Steven, Edward
    • H04L29/06
    • H04L65/1016H04L65/1006H04L65/1083H04L65/80H04L67/306
    • In various exemplary embodiments, a Deep Packet Inspection device is integrated into a provider edge router associated with a user agent client or provided externally. The DPI device monitors the exchange of packets between an originating proxy and a user agent client and inspects the packets to identify SIP control messages. By monitoring the messages exchanged between the two devices, the DPI device may determine the type of application, desired QoS, source, destination, and other information related to the connection. Using this information, the router may then access a policy database to determine whether there is a QoS policy for the application and/or user. Based on this determination, the router may initiate network reservation for an anticipated data flow or store the information so the flow of packets can be remarked as the packets arrive. Accordingly, in various exemplary embodiments, the edge router is aware that QoS should be granted.
    • 在各种示例性实施例中,深度包检测设备被集成到与用户代理客户端相关联或提供在外部的提供商边缘路由器中。 DPI设备监视始发代理和用户代理客户端之间的数据包交换,并检查数据包以识别SIP控制消息。 通过监视在两个设备之间交换的消息,DPI设备可以确定与该连接相关的应用的类型,期望的QoS,源,目的地和其他信息。 使用该信息,路由器然后可以访问策略数据库以确定是否存在针对应用和/或用户的QoS策略。 基于该确定,路由器可以针对预期数据流发起网络预留或存储信息,使得分组流可以随着分组到达而被注释。 因此,在各种示例性实施例中,边缘路由器知道应该授予QoS。
    • 10. 发明申请
    • IN-BOUND MECHANISM THAT VERIFIES END-TO-END SERVICE CONFIGURATION WITH APPLICATION AWARENESS
    • 通过应用程序意识验证端到端服务配置的内置机制
    • WO2009107116A2
    • 2009-09-03
    • PCT/IB2009/051316
    • 2009-02-17
    • ALCATEL LUCENTDOLGANOW, AndrewMORIN, Steven EdwardPERES, Anthony
    • DOLGANOW, AndrewMORIN, Steven EdwardPERES, Anthony
    • H04L12/24H04L12/26
    • H04L47/10H04L47/20H04L47/2475H04L47/2483H04L69/32
    • A method of verifying end-to-end service configuration with application awareness, including one or more of the following: building an application specific service ping packet having an application identification field that identifies an application to which the application specific service ping packet corresponds; forwarding the application specific service ping packet towards a destination in a network; determining static configuration information regarding the application to which the application specific service ping packet corresponds at a network interface of a network element; inserting the static configuration information into the application specific service ping packet; determining at least one policy that applies to a flow including the application specific service ping packet; inserting the at least one policy into the application specific service ping packet; and extracting the service ping packet from the network.
    • 一种利用应用感知来验证端到端服务配置的方法,包括以下中的一个或多个:构建具有应用标识字段的应用专用服务ping分组,该应用标识字段标识与 应用专用服务ping分组对应; 将应用专用服务ping分组转发到网络中的目的地; 确定关于所述应用特定服务ping分组在所述网络元件的网络接口处对应的应用的静态配置信息; 将所述静态配置信息插入到所述应用专用服务ping分组中; 确定应用于包括所述应用专用服务ping分组的流的至少一个策略; 将所述至少一个策略插入到所述应用专用服务ping分组中; 并从网络中提取服务ping数据包。