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公开(公告)号：US07646785B2
公开(公告)日：2010-01-12
申请号：US11644664
申请日：2006-12-21
摘要： A communication system includes devices configured to communicate with each other through a temporal sequence of frames. Each of these frames includes multiple sub-channels. Note that a given device in the devices is configured to select sub-channels to reserve based on a nearest-neighbor spacing between the sub-channels to be reserved and/or a switching latency between data in-flow to the given device and data out-flow from the given device. Furthermore, the given device is configured to dynamically reserve the selected sub-channels on a frame-by-frame basis for up to N frames.
摘要翻译： 通信系统包括被配置成通过帧的时间序列彼此通信的设备。 这些帧中的每一个包括多个子信道。 注意，设备中的给定设备被配置为基于要保留的子信道之间的最近邻间隔和/或给定设备的数据流入之间的切换等待时间来选择要保留的子信道，并且数据输出 -flow从给定的设备。 此外，给定设备被配置为在逐帧的基础上动态地保留所选择的子信道多达N个帧。
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公开(公告)号：US07577754B2
公开(公告)日：2009-08-18
申请号：US09845088
申请日：2001-04-26
IPC分类号： G06F15/173
CPC分类号： G06F12/1483 , G06F17/30902 , H04L12/18 , H04L29/06 , H04L29/12141 , H04L61/1558 , H04L67/1002 , H04L67/1008 , H04L67/101 , H04L2029/06054
摘要： A set of access control labels is assigned to each of a number of users of a caching infrastructure in a network. The labels are used in specifying access control lists for content of the users. Requests for the content are referred to selected information object repositories of the caching infrastructure without regard as to whether the content is actually stored at the information object repositories; and access to the content is controlled according to access lists developed according to the access control labels. Access to the content may be controlled by comparing information included in uniform resource locators (URLs) to the access control lists. Such information may be one or more digital signatures, for example, which identify one or more of: the source of the requests, and an owner of an information object being requested. The access control lists are preferably maintained corresponding to the access control labels, which may be hierarchical in nature. Each of the information object repositories of the caching infrastructure may store a copy of each of the access control lists. Access to content is denied if a request therefor is not authorized, otherwise, the content is returned to a requester thereof.
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公开(公告)号：US07027449B2
公开(公告)日：2006-04-11
申请号：US09975735
申请日：2001-10-10
CPC分类号： H04L47/805 , H04L47/215 , H04L47/22 , H04L47/24 , H04L47/29 , H04L47/70 , H04L47/724 , H04L47/801
摘要： Methods are described for maintaining a small bounded aggregate state within network routers pertaining to selected architectural families. Small bounded reservations states are utilized wherein the method is fully scalable for use on large networks. The size of the aggregate state and the complexity of the associated refresh mechanism is determined by the parameters of the network, such as size, and classes, which is in contrast to states based on the number of end-user flows. The method can render deterministic bandwidth use within the network wherein real-time multimedia applications may be accorded strict delay and bandwidth guarantees. The invention provides a middle-ground between the stateful Intserv and the stateless SCORE architectures.
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公开(公告)号：US07552233B2
公开(公告)日：2009-06-23
申请号：US10241767
申请日：2002-09-10
IPC分类号： G06F15/173
CPC分类号： G06F12/1483 , G06F17/30902 , H04L12/18 , H04L29/12009 , H04L61/1582 , H04L67/1002 , H04L67/1006 , H04L67/1008 , H04L67/101 , H04L67/1014 , H04L67/1023
摘要： An address of a server that should supply an information object or service to a requester is returned in response to a request therefor. The address of the server that is returned is an optimal server selected according to specified performance metrics. The specified performance metrics may include one or more of an average delay from the server to another, average processing delays at the server, reliability of a path from the server to another, available bandwidth in said path, and loads on the server.
摘要翻译： 响应于该请求而返回应该向请求者提供信息对象或服务的服务器的地址。 返回的服务器的地址是根据指定的性能指标选择的最佳服务器。 指定的性能度量可以包括从服务器到另一服务器的平均延迟中的一个或多个，服务器处的平均处理延迟，从服务器到另一服务器的路径的可靠性，所述路径中的可用带宽以及服务器上的负载。
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公开(公告)号：US07031308B2
公开(公告)日：2006-04-18
申请号：US10035348
申请日：2001-10-30
CPC分类号： H04L12/1881 , H04L12/18 , H04L12/56
摘要： A method for performing end-to-end “tree-based ordered multicasting” (TOM) which ensures collective integrity and consistency of distributed operations, and which is applicable to distributed multiparty collaboration and other multipoint applications. The TOM protocol performs cascaded total ordering of messages among on-tree hosts en route from senders to receivers, and does not require the building of a separate propagation graph to compute ordering information. TOM elects sequencer nodes dynamically based on address extensions of the multicast tree. Message ordering is performed by multicasting a message from each source node to receivers, unicasting a control message from a source node across a primary node to an ordering node for the designated multicast group or transmission in the tree, determining a binding sequence number for the message and a multicast to the receiver group, and delivering messages at end hosts according to the agreed-upon sequence numbers.
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6.发明授权公开(公告)号：US08750254B2
公开(公告)日：2014-06-10
申请号：US11644665
申请日：2006-12-21
IPC分类号： H04B7/216
摘要： A communication system includes devices configured to communicate with each other through a temporal sequence of frames. Each of these frames includes multiple sub-channels and network information. Note that a given device is configured to select a first set of sub-channels to be reserved by the given device based on a first election technique in which a first ranking of a first permutation of a first ordered set of sub-channel identifiers is calculated. Furthermore, the given device is configured to dynamically reserve the selected first set of sub-channels.
摘要翻译： 通信系统包括被配置成通过帧的时间序列彼此通信的设备。 这些帧中的每一个包括多个子信道和网络信息。 注意，给定设备被配置为基于第一选择技术来选择要由给定设备保留的第一组子信道，其中计算第一有序子集的子信道标识符的第一排列的第一排序 。 此外，给定设备被配置为动态地保留所选择的第一组子信道。
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公开(公告)号：US07756102B2
公开(公告)日：2010-07-13
申请号：US11650197
申请日：2007-01-04
CPC分类号： H04W74/04 , H04L47/10 , H04L47/14 , H04L47/365 , H04W84/18
摘要： A communication system includes devices configured to communicate with each other through a temporal sequence of frames. Each of these frames includes multiple sub-channels and the total number of sub-channels in a given frame is dynamically determined based on a transmission schedule. Furthermore, the transmission schedule is calculated by the devices based on transmission lists that are exchanged between the devices. For example, a first transmission list for a first device includes a first group of sub-channels reserved by the first device, and a second group of sub-channels reserved by a set of devices communicating with the first device.
摘要翻译： 通信系统包括被配置成通过帧的时间序列彼此通信的设备。 这些帧中的每一个包括多个子信道，并且基于传输调度动态地确定给定帧中的子信道的总数。 此外，通过基于在设备之间交换的传输列表的设备来计算传输调度。 例如，第一设备的第一传输列表包括由第一设备保留的第一组子信道和由与第一设备通信的一组设备保留的第二子信道组。
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公开(公告)号：US07046639B2
公开(公告)日：2006-05-16
申请号：US09967901
申请日：2001-09-28
IPC分类号： H04Q7/00
CPC分类号： H04W72/1257 , H04W8/26 , H04W40/246 , H04W84/18
摘要： A system and method of providing distributed election of a shared transmission schedule within an ad hoc network. The invention includes a collision-free access protocol which resolves channel access contentions for time division multiple access (TDMA) of a single channel. Time-slots are organized into part numbers, which are included within sections, a sequence of which define a block. Each node is given a ring number according to its location within the network topology and maintains local neighbor information along with its own part number and message digest. Collision-free channel access is automatically scheduled and repetitious contention phases are resolved by a random permutation algorithm operating in message digests. An empty time-slot utilization method is also described and data packets may also be transmitted subject to a non-zero collision probability within a blind section of the block.
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公开(公告)号：US07937060B2
公开(公告)日：2011-05-03
申请号：US11544059
申请日：2006-10-06
IPC分类号： H04Q7/00
摘要： A communication system includes devices configured to communicate with each other through a temporal sequence of frames. Each of these frames includes multiple sub-channels and network information. Note that the network information in a given frame transmitted from a first device includes identification information for a second device that is communicating with the first device and corresponding sub-channels used by the first device and the second device to transmit data. Furthermore, the first device and the second device are configured to dynamically reserve one or more sub-channels based on the network information when communicating with each other, and dynamic-reservation conflicts may occur in which the first device and the second device both reserve a common sub-channel.
摘要翻译： 通信系统包括被配置成通过帧的时间序列彼此通信的设备。 这些帧中的每一个包括多个子信道和网络信息。 注意，从第一设备发送的给定帧中的网络信息包括与第一设备通信的第二设备的标识信息和由第一设备和第二设备使用的相应子信道来发送数据。 此外，第一设备和第二设备被配置为在彼此通信时基于网络信息来动态地保留一个或多个子信道，并且可能发生动态预留冲突，其中第一设备和第二设备都预留 公共子频道
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10.发明授权System and method for using uniform resource locators to map application layer content names to network layer anycast addresses 有权使用统一资源定位器将应用层内容名称映射到网络层任播地址的系统和方法公开(公告)号：US07343422B2
公开(公告)日：2008-03-11
申请号：US09844857
申请日：2001-04-26
IPC分类号： G06F15/173
CPC分类号： G06F12/1483 , G06F17/30902 , H04L12/18 , H04L29/06 , H04L29/12141 , H04L61/1558 , H04L67/1002 , H04L67/1008 , H04L67/101 , H04L2029/06054
摘要： A request for an information object at an address identified by a uniform resource locator (URL) is received; and the URL is mapped to a corresponding unicast address for the information object. Thereafter, the unicast address for the information object may be used as an anycast address.
摘要翻译： 接收在由统一资源定位符（URL）标识的地址处的信息对象的请求; 并将URL映射到信息对象的相应单播地址。 此后，信息对象的单播地址可以用作任播地址。
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