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    • 1. 发明授权
    • Optimal fragmentation of multicast packets
    • 组播数据包的最优分割
    • US07792031B2
    • 2010-09-07
    • US12167900
    • 2008-07-03
    • Suresh KrishnanFrederic Rossi
    • Suresh KrishnanFrederic Rossi
    • H04L12/28H04L12/56
    • H04L69/16H04L12/1836H04L69/166
    • Methods, a data source and a router are provided to fragment packets that are to be sent in multicast mode towards a plurality of destinations comprised in a multicast group. Each router along a path leading from the data source towards some of the destinations sends its maximum transmission unit value in an uplink direction. Each router directly connected to the data source calculates a lowest maximum transmission unit based on various maximum transmission unit values received from downstream routers. The data source receives from each of the directly connected routers a maximum transmission unit value, which is certain to be acceptable to all routers and destinations of the multicast group downstream of that directly connected router. The data source selects a lowest one of the received maximum transmission unit values and fragments data contents accordingly.
    • 提供了一种数据源和路由器,用于将要以组播模式发送的分组分段到组播组中包含的多个目的地。 沿着从数据源朝向某些目的地的路径的每个路由器在上行链路方向上发送其最大传输单元值。 直接连接到数据源的每个路由器基于从下游路由器接收的各种最大传输单元值计算最低最大传输单元。 数据源从每个直接连接的路由器接收最大传输单元值,该最大传输单元值对于直接连接的路由器下游的多播组的所有路由器和目的地是可接受的。 数据源选择接收到的最大传输单元值中的最低一个并相应地分段数据内容。
    • 2. 发明申请
    • OPTIMAL FRAGMENTATION OF MULTICAST PACKETS
    • 多媒体分组的最优分割
    • US20100002697A1
    • 2010-01-07
    • US12167900
    • 2008-07-03
    • Suresh KrishnanFrederic Rossi
    • Suresh KrishnanFrederic Rossi
    • H04L12/56
    • H04L69/16H04L12/1836H04L69/166
    • Methods, a data source and a router are provided to fragment packets that are to be sent in multicast mode towards a plurality of destinations comprised in a multicast group. Each router along a path leading from the data source towards some of the destinations sends its maximum transmission unit value in an uplink direction. Each router directly connected to the data source calculates a lowest maximum transmission unit based on various maximum transmission unit values received from downstream routers. The data source receives from each of the directly connected routers a maximum transmission unit value, which is certain to be acceptable to all routers and destinations of the multicast group downstream of that directly connected router. The data source selects a lowest one of the received maximum transmission unit values and fragments data contents accordingly.
    • 提供了一种数据源和路由器,用于将要以组播模式发送的分组分段到组播组中包含的多个目的地。 沿着从数据源朝向某些目的地的路径的每个路由器在上行链路方向上发送其最大传输单元值。 直接连接到数据源的每个路由器基于从下游路由器接收的各种最大传输单元值计算最低最大传输单元。 数据源从每个直接连接的路由器接收最大传输单元值,该最大传输单元值对于直接连接的路由器下游的多播组的所有路由器和目的地是可接受的。 数据源选择接收到的最大传输单元值中的最低一个并相应地分段数据内容。
    • 7. 发明授权
    • Identification of a private device in a public network
    • 在公共网络中识别私有设备
    • US09015346B2
    • 2015-04-21
    • US14222032
    • 2014-03-21
    • Suresh KrishnanAlan Kavanagh
    • Suresh KrishnanAlan Kavanagh
    • G06F15/16H04L12/56H04L29/12
    • H04L45/741H04L61/2514H04L61/2517H04L61/6095
    • Methods, network address translation (NAT) devices, network nodes and system for allowing identification of a private device in a public network or treating traffic of a private device in a public network. The NAT may allocate a private IPv4 address to the private device, reserve a block of ports on the public IPv4 address for the private device and send an identification of the block of ports to a network node in the public network. The network node of the public network may receive an identification of a block of ports on the public IPv4 address indicating that the block of ports is reserved for the private device and activate a rule for treating traffic of the private device.
    • 方法,网络地址转换(NAT)设备,网络节点和系统,用于允许在公共网络中识别专用设备或处理公共网络中的专用设备的流量。 NAT可以将私有IPv4地址分配给私有设备,在私有设备的公共IPv4地址上保留端口块,并将该端口块的标识发送到公共网络中的网络节点。 公共网络的网络节点可以接收公共IPv4地址上的端口块的标识,指示端口块被保留用于专用设备,并激活用于处理专用设备的流量的规则。
    • 8. 发明申请
    • PRECISE GEOLOCATION FOR CONTENT CACHING IN EVOLVED PACKET CORE NETWORKS
    • 用于实时分组核心网络中的内容缓存的精确地理
    • US20130132544A1
    • 2013-05-23
    • US13304012
    • 2011-11-23
    • Suresh KrishnanAlan Kavanagh
    • Suresh KrishnanAlan Kavanagh
    • G06F15/173
    • H04L67/2814H04L67/1021H04L67/2804H04L67/2842H04W4/18
    • A network element in a network is provided. The network element includes a receiver that receives a content request message. The received content request message indicates content to be transmitted to a device. The network element includes a processor in communication with the receiver. The processor generates a modified content request message by inserting identification data into the content request message. The identification data identifies at least one of a plurality of network nodes in the network. The network element includes a transmitter that transmits the modified content request message to a content distribution network server. The receiver further receives a redirect message that is based on the transmitted modified content request message. The redirect message identifies that a one of the plurality of network nodes is a cache location storing the indicated content.
    • 提供网络中的网元。 网元包括接收内容请求消息的接收器。 接收到的内容请求消息指示要发送到设备的内容。 网络元件包括与接收器通信的处理器。 处理器通过将标识数据插入到内容请求消息中来生成修改的内容请求消息。 识别数据标识网络中的多个网络节点中的至少一个。 网元包括将修改的内容请求消息发送到内容分发网络服务器的发送器。 接收机还接收基于发送的修改内容请求消息的重定向消息。 重定向消息识别出多个网络节点之一是存储指示内容的高速缓存位置。
    • 9. 发明申请
    • FAILURE INDICATION
    • 故障指示
    • US20100107231A1
    • 2010-04-29
    • US12582544
    • 2009-10-20
    • Alan KavanaghSuresh Krishnan
    • Alan KavanaghSuresh Krishnan
    • H04L9/32G06F21/00G06F11/07G06F15/16
    • H04L63/08H04L9/3213H04L61/2015H04L63/0892
    • Methods and network node in a network for receiving a network access request related to a subscriber via at least one external network interface and treating the network access request by using at least a first function and second function. A failure indication related to the subscriber is obtained from at least one of the first function or the second function. The network access request is thereafter denied by sending an access result via the external network interface. The access result comprises a cause of failure indicating the at least one of the first function or the second function as a source for the failure. The first and second functions may be, for instance, an AAA function and a DHCP function.
    • 网络中的方法和网络节点,用于经由至少一个外部网络接口接收与订户相关的网络接入请求,并且通过使用至少第一功能和第二功能来处理所述网络接入请求。 从第一功能或第二功能中的至少一个获得与订户相关的故障指示。 此后,网络访问请求通过外部网络接口发送访问结果而被拒绝。 访问结果包括故障原因,指示第一功能或第二功能中的至少一个作为故障的源。 第一和第二功能可以是例如AAA功能和DHCP功能。
    • 10. 发明授权
    • Micro mobility management
    • 微动态管理
    • US07508793B2
    • 2009-03-24
    • US11229680
    • 2005-09-20
    • Wassim HaddadSuresh Krishnan
    • Wassim HaddadSuresh Krishnan
    • H04Q7/00
    • H04L29/1232H04L61/2092H04W8/085H04W8/087H04W36/0011H04W80/04
    • A MN, a method and a VMAP for increasing efficiency of handover of the MN from a AR1 to a AR2. The VMAP is hierarchically below a MAP and above the AR1. The MN has a RCoA valid under the MAP and a LCoA valid under the AR1. The VMAP comprises an OMM Function capable of receiving a PathUM thereby informing the VMAP that the MN 412 is handing over to the AR2, computing a LCoA2 valid under the AR2 and forwarding traffic received on the LCoA to the LCoA2. A VMAP Binding Cache Entry for the MN comprises at least the MN's RCoA, the MN's LCoA and a unique value associated with the MN. The VMAP, therewith, computes the LCoA2 using a same function as in the MN. Prior to receiving the PathUM, the VMAP could receive an E-LBA issued from the MAP and addressed to the LCoA comprising the MN's RCoA and the unique value associated with the MN and thereafter, creating or updating the VBCE for the MN using information included therein.
    • MN,用于提高MN从AR1到AR2的切换的效率的方法和VMAP。 VMAP分层地在MAP之下并且在AR1之上。 MN在MAP下具有RCoA有效,在AR1下有一个LCoA有效。 VMAP包括能够接收Path​​UM的OMM功能,从而向VMAP通知MN 412正在切换到AR2,计算在AR2下有效的LCoA2,并将在LCoA上接收的业务转发到LCoA2。 MN的VMAP绑定缓存条目至少包括MN的RCoA,MN的LCoA和与MN相关联的唯一值。 因此,VMAP使用与MN中相同的功能来计算LCoA2。 在接收到PathUM之前,VMAP可以接收从MAP发出的E-LBA,并发送到包括MN的RCoA的LCoA和与MN相关联的唯一值,此后,使用包括在其中的信息创建或更新MN的VBCE 。