-
1.发明申请公开(公告)号：US20200322951A1
公开(公告)日：2020-10-08
申请号：US16909811
申请日：2020-06-23
Applicant: Cisco Technology, Inc.
Abstract: In one embodiment, a method comprises determining a movable network device is moving along a repeatable sequence of access point devices in a deterministic network; and establishing a deterministic track along the repeatable sequence of access point devices, the deterministic track comprising insertion slots allocated for insertion of a data packet, by the movable network device, into the deterministic track via any one of the respective access point devices.
-
公开(公告)号：US20200014618A1
公开(公告)日：2020-01-09
申请号：US16026203
申请日：2018-07-03
Applicant: Cisco Technology, Inc.
Inventor： PASCAL THUBERT , JIANZHOU CHEN , HUIMIN SHE , PATRICK WETTERWALD
IPC: H04L12/703 , H04L12/751 , H04L12/26 , H04W28/02
Abstract: In one embodiment, a parent network device, operating according to a first Trickle operation using a first selected minimum contention interval, responds to detecting a loss of attached child network devices by starting a second Trickle operation using a second selected minimum contention interval. The second Trickle operation includes maintaining the second selected minimum contention interval for subsequent iterations of the second Trickle operation. The parent network device initiates an accelerated transmission rate of the advertisement message that is faster than the first and second Trickle operations (using a third selected minimum contention interval less than the first minimum contention interval) in response to receiving a message from one of the lost child network devices, and resumes the first Trickle operation upon recovery of all the lost child network devices.
-
3.发明申请公开(公告)号：US20190097884A1
公开(公告)日：2019-03-28
申请号：US15713827
申请日：2017-09-25
Applicant: Cisco Technology, Inc.
Inventor： PASCAL THUBERT , PATRICK WETTERWALD , REKHA RAMACHANDRAN , ERIC MICHEL LEVY-ABEGNOLI
CPC classification number: H04L41/0813 , H04L41/0896 , H04L41/145 , H04L43/0864 , H04L43/087 , H04L43/16 , H04W24/08
Abstract: In one embodiment, a method comprises: receiving, by a switching device, one or more identified flows of data packets from first deterministic flows of a first deterministic segment in a first deterministic domain, the first deterministic segment established based on first deterministic attributes in the first deterministic domain; receiving, by the switching device, second deterministic attributes about second deterministic flows for a second deterministic segment in a second different deterministic domain, the second deterministic attributes different than the first deterministic attributes; and allocating, by the switching device based on the first deterministic attributes and the second deterministic attributes, at least a portion of the second deterministic flows for deterministic stitching of the one or more identified flows of data packets from the first deterministic segment in the first deterministic domain into the second deterministic segment in the second deterministic domain according to a guaranteed deterministic constraint.
-
公开(公告)号：US20180152377A1
公开(公告)日：2018-05-31
申请号：US15361563
申请日：2016-11-28
Applicant: Cisco Technology, Inc.
Inventor： PATRICK WETTERWALD , PASCAL THUBERT , ERIC MICHEL LEVY-ABEGNOLI
IPC: H04L12/741 , H04L12/733 , H04L12/841
Abstract: In one embodiment, a method comprises receiving, by a network device in a deterministic data network, one or more deterministic schedules for reaching a destination network device along one or more deterministic paths in the deterministic data network; generating, by the network device, a deterministic source-route path for reaching the destination network device based on the deterministic schedules allocated for the deterministic paths, the deterministic source-route path comprising, for each specified hop, a corresponding deterministic start time; and outputting, by the network device, a source routed deterministic packet comprising the deterministic source-route path for deterministic forwarding of the source routed deterministic packet to the destination network device.
-
公开(公告)号：US20180146413A1
公开(公告)日：2018-05-24
申请号：US15359739
申请日：2016-11-23
Applicant: Cisco Technology, Inc.
CPC classification number: H04L45/14 , H04L45/20 , H04L45/34 , H04L69/22 , H04W84/18 , Y02D70/00 , Y02D70/144
Abstract: In one embodiment, a method comprises promiscuously detecting, by a network device in a wireless data network, a wireless data packet comprising a source route header specifying a hop-by-hop path for reaching a destination device in the wireless data network; determining, by the network device, that the network device is identified in the hop-by-hop path as following a first next-hop device targeted for reception of the wireless data packet; and executing intercepted forwarding of the wireless data packet, by the network device, to a second next-hop device successively following the network device in the hop-by-hop path.
-
Patent Agency Ranking
公开(公告)号：US20170222920A1
公开(公告)日：2017-08-03
申请号：US15271811
申请日：2016-09-21
Applicant: Cisco Technology, Inc.
Inventor： PASCAL THUBERT , JEAN-PHILIPPE VASSEUR , PATRICK WETTERWALD , IJSBRAND WIJNANDS
IPC: H04L12/721 , H04L29/06
Abstract: In one embodiment, a method comprises receiving, by a network device in a deterministic data network comprising deterministic segments, a data packet comprising a packet header having a bit index, each bit in the bit index associated with a corresponding one of the deterministic segments; the network device identifying, from the bit index, a first bit for a corresponding first deterministic segment and a second bit for a corresponding second deterministic segment, wherein the network device is an endpoint for transmitting deterministic traffic into each of the first and second deterministic segments; the network device selectively executing a replication operation of the data packet for transmission of a replicated data packet into each of the first and second deterministic segments, based on the network device detecting the corresponding first and second bits set for replication.
-
公开(公告)号：US20160112367A1
公开(公告)日：2016-04-21
申请号：US14516707
申请日：2014-10-17
Applicant: Cisco Technology, Inc.
Inventor： PASCAL THUBERT , PATRICK WETTERWALD , ERIC MICHEL LEVY-ABEGNOLI
IPC: H04L29/12 , H04L12/18 , H04L12/741
CPC classification number: H04L61/10 , H04L12/185 , H04L12/1886 , H04L45/745 , H04L61/2046 , H04L61/2092 , H04L61/6059
Abstract: In one embodiment, a method comprises: generating, by a first network device in a network, a Bloom filter bit vector representing device addresses of devices having attached to at least one of the first network device or a second network device in the network; and determining whether a new device address is not a duplicate of any of the device addresses in the network based on the Bloom filter bit vector.
Abstract translation: 在一个实施例中，一种方法包括：通过网络中的第一网络设备生成表示已连接到网络中的第一网络设备或第二网络设备中的至少一个的设备的设备地址的布隆过滤器位向量; 以及基于所述布隆过滤器比特向量来确定新的设备地址是否与所述网络中的所述设备地址中的任何设备地址不重复。
-
公开(公告)号：US20210021520A1
公开(公告)日：2021-01-21
申请号：US16516836
申请日：2019-07-19
Applicant: Cisco Technology, Inc.
Inventor： PATRICK WETTERWALD , ERIC MICHEL LEVY-ABEGNOLI , PASCAL THUBERT
IPC: H04L12/801 , H04L12/863 , H04L12/947 , H04L12/823 , H04L12/26
Abstract: In one embodiment, a method comprises: receiving, by a switching device in a deterministic network, a first data packet associated with an identified flow of data packets, and queuing the first data packet for deterministic transmission at a deterministic transmit instance to a next-hop device in the deterministic network; detecting, by the switching device, reception of a newest data packet associated with the identified flow and before the deterministic transmission of the first data packet; and prioritizing for the identified flow, by the switching device, the newest data packet based on deterministically transmitting, at the deterministic transmit instance, the newest data packet instead of the first data packet.
-
9.发明申请公开(公告)号：US20200336406A1
公开(公告)日：2020-10-22
申请号：US16919793
申请日：2020-07-02
Applicant: Cisco Technology, Inc.
IPC: H04L12/751 , H04L12/717
Abstract: In one embodiment, a method comprises identifying, by a path computation element, essential parent devices from a nonstoring destination oriented directed acyclic graph (DODAG) topology as dominating set members belonging to a dominating set; receiving, by the path computation element, an advertisement message specifying a first dominating set member having reachability to a second dominating set member, the reachability distinct from the nonstoring DODAG topology; and generating, by the path computation element based on the advertisement message, an optimized path for reaching a destination network device in the nonstoring DODAG topology via a selected sequence of dominating set members, the optimized path providing cut-through optimization across the nonstoring DODAG topology.
-
10.发明申请公开(公告)号：US20200186349A1
公开(公告)日：2020-06-11
申请号：US16214318
申请日：2018-12-10
Applicant: Cisco Technology, Inc.
Inventor： PASCAL THUBERT , HUIMIN SHE , PATRICK WETTERWALD , AKRAM ISMAIL SHERIFF , ERIC MICHEL LEVY-ABEGNOLI
IPC: H04L9/32 , H04L29/12 , G06F16/901 , H04L9/30
Abstract: In one embodiment, a method comprises: receiving, by a parent network device providing at least at portion of a directed acyclic graph (DAG) according to a prescribed routing protocol in a low power and lossy network, a destination advertisement object (DAO) message, the DAO message specifying a target Internet Protocol (IP) address claimed by an advertising network device in the DAG and the DAO message further specifying a secure token associated with the target IP address; and selectively issuing a cryptographic challenge to the DAO message to validate whether the advertising network device generated the secure token.
-
-
-
-
-
-
-
-
-
Search Results
57
records
(took 0.018 seconds)
