CN106063195B - 具有单独控制设备和转发设备的网络中的控制设备发现 - Google Patents
具有单独控制设备和转发设备的网络中的控制设备发现 Download PDFInfo
- Publication number
- CN106063195B CN106063195B CN201580010033.7A CN201580010033A CN106063195B CN 106063195 B CN106063195 B CN 106063195B CN 201580010033 A CN201580010033 A CN 201580010033A CN 106063195 B CN106063195 B CN 106063195B
- Authority
- CN
- China
- Prior art keywords
- forwarding device
- forwarding
- grouping
- control
- route test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
- H04L45/121—Shortest path evaluation by minimising delays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
- H04L45/123—Evaluation of link metrics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
- H04L45/124—Shortest path evaluation using a combination of metrics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/26—Route discovery packet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/42—Centralised routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
- H04L45/507—Label distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/72—Routing based on the source address
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/188,027 | 2014-02-24 | ||
| US14/188,027 US8989199B1 (en) | 2014-02-24 | 2014-02-24 | Control device discovery in networks having separate control and forwarding devices |
| PCT/US2015/016658 WO2015127107A1 (en) | 2014-02-24 | 2015-02-19 | Control device discovery in networks having separate control and forwarding devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106063195A CN106063195A (zh) | 2016-10-26 |
| CN106063195B true CN106063195B (zh) | 2019-05-28 |
Family
ID=52669405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580010033.7A Expired - Fee Related CN106063195B (zh) | 2014-02-24 | 2015-02-19 | 具有单独控制设备和转发设备的网络中的控制设备发现 |
Country Status (6)
| Country | Link |
|---|---|
| US (4) | US8989199B1 (enExample) |
| EP (1) | EP2911348B1 (enExample) |
| JP (1) | JP6576006B2 (enExample) |
| CN (1) | CN106063195B (enExample) |
| CA (1) | CA2882535C (enExample) |
| WO (1) | WO2015127107A1 (enExample) |
Families Citing this family (72)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938722B (zh) * | 2012-10-30 | 2017-11-10 | 中兴通讯股份有限公司 | 一种网络设备周期性协议发包的方法及装置 |
| US10749711B2 (en) | 2013-07-10 | 2020-08-18 | Nicira, Inc. | Network-link method useful for a last-mile connectivity in an edge-gateway multipath system |
| US10454714B2 (en) | 2013-07-10 | 2019-10-22 | Nicira, Inc. | Method and system of overlay flow control |
| US8989199B1 (en) | 2014-02-24 | 2015-03-24 | Level 3 Communications, Llc | Control device discovery in networks having separate control and forwarding devices |
| US10700958B2 (en) | 2015-04-01 | 2020-06-30 | Neutrona Networks International Llc | Network management system with traffic engineering for a software defined network |
| US10135789B2 (en) | 2015-04-13 | 2018-11-20 | Nicira, Inc. | Method and system of establishing a virtual private network in a cloud service for branch networking |
| US10498652B2 (en) | 2015-04-13 | 2019-12-03 | Nicira, Inc. | Method and system of application-aware routing with crowdsourcing |
| US10425382B2 (en) | 2015-04-13 | 2019-09-24 | Nicira, Inc. | Method and system of a cloud-based multipath routing protocol |
| US9882806B2 (en) * | 2015-06-03 | 2018-01-30 | Cisco Technology, Inc. | Network description mechanisms for anonymity between systems |
| CN106411549A (zh) * | 2015-07-30 | 2017-02-15 | 中兴通讯股份有限公司 | 层邻接自动发现的处理方法及装置 |
| CN107204924B (zh) * | 2016-03-18 | 2020-09-25 | 华为技术有限公司 | 链路发现方法及装置 |
| CN106685730B (zh) * | 2017-01-23 | 2020-02-11 | 苏州浪潮智能科技有限公司 | 一种配置管理与控制分离的sdn网络系统 |
| US20200036624A1 (en) | 2017-01-31 | 2020-01-30 | The Mode Group | High performance software-defined core network |
| US10992558B1 (en) * | 2017-11-06 | 2021-04-27 | Vmware, Inc. | Method and apparatus for distributed data network traffic optimization |
| US11252079B2 (en) | 2017-01-31 | 2022-02-15 | Vmware, Inc. | High performance software-defined core network |
| US11706127B2 (en) | 2017-01-31 | 2023-07-18 | Vmware, Inc. | High performance software-defined core network |
| US11121962B2 (en) | 2017-01-31 | 2021-09-14 | Vmware, Inc. | High performance software-defined core network |
| US20180219765A1 (en) | 2017-01-31 | 2018-08-02 | Waltz Networks | Method and Apparatus for Network Traffic Control Optimization |
| US10992568B2 (en) | 2017-01-31 | 2021-04-27 | Vmware, Inc. | High performance software-defined core network |
| US10778528B2 (en) | 2017-02-11 | 2020-09-15 | Nicira, Inc. | Method and system of connecting to a multipath hub in a cluster |
| CN108429652A (zh) * | 2017-02-14 | 2018-08-21 | 中兴通讯股份有限公司 | 基于sdn的远端流镜像控制方法、实现方法及相关设备 |
| CN106713146B (zh) * | 2017-02-27 | 2020-12-18 | 台州市吉吉知识产权运营有限公司 | 基于软件定义网络的实施路由器发现协议的方法、装置和系统 |
| US10433201B2 (en) | 2017-03-17 | 2019-10-01 | Electronics And Telecommunications Research Institute | Method for transmitting and receiving packet in transport network |
| US10523539B2 (en) | 2017-06-22 | 2019-12-31 | Nicira, Inc. | Method and system of resiliency in cloud-delivered SD-WAN |
| CN109286564B (zh) * | 2017-07-20 | 2022-06-07 | 迈普通信技术股份有限公司 | 一种报文转发方法及装置 |
| US11089111B2 (en) | 2017-10-02 | 2021-08-10 | Vmware, Inc. | Layer four optimization for a virtual network defined over public cloud |
| US10778466B2 (en) | 2017-10-02 | 2020-09-15 | Vmware, Inc. | Processing data messages of a virtual network that are sent to and received from external service machines |
| US10999100B2 (en) | 2017-10-02 | 2021-05-04 | Vmware, Inc. | Identifying multiple nodes in a virtual network defined over a set of public clouds to connect to an external SAAS provider |
| US10999165B2 (en) | 2017-10-02 | 2021-05-04 | Vmware, Inc. | Three tiers of SaaS providers for deploying compute and network infrastructure in the public cloud |
| US11115480B2 (en) | 2017-10-02 | 2021-09-07 | Vmware, Inc. | Layer four optimization for a virtual network defined over public cloud |
| US11223514B2 (en) | 2017-11-09 | 2022-01-11 | Nicira, Inc. | Method and system of a dynamic high-availability mode based on current wide area network connectivity |
| US10841670B2 (en) * | 2018-02-13 | 2020-11-17 | Juniper Networks, Inc. | Methods and apparatus for consistency check in disaggregated dense wavelength-division multiplexing (DWDM) systems |
| US11108640B2 (en) * | 2018-12-20 | 2021-08-31 | Advantest Corporation | Controlling devices in a decentralized storage environment |
| US11233730B2 (en) * | 2019-07-09 | 2022-01-25 | Nvidia Corporation | Network routing using aggregated links |
| US11252106B2 (en) | 2019-08-27 | 2022-02-15 | Vmware, Inc. | Alleviating congestion in a virtual network deployed over public clouds for an entity |
| US11611507B2 (en) | 2019-10-28 | 2023-03-21 | Vmware, Inc. | Managing forwarding elements at edge nodes connected to a virtual network |
| US11489783B2 (en) | 2019-12-12 | 2022-11-01 | Vmware, Inc. | Performing deep packet inspection in a software defined wide area network |
| US11394640B2 (en) | 2019-12-12 | 2022-07-19 | Vmware, Inc. | Collecting and analyzing data regarding flows associated with DPI parameters |
| US11689959B2 (en) | 2020-01-24 | 2023-06-27 | Vmware, Inc. | Generating path usability state for different sub-paths offered by a network link |
| US11477127B2 (en) | 2020-07-02 | 2022-10-18 | Vmware, Inc. | Methods and apparatus for application aware hub clustering techniques for a hyper scale SD-WAN |
| US11363124B2 (en) | 2020-07-30 | 2022-06-14 | Vmware, Inc. | Zero copy socket splicing |
| US11575591B2 (en) | 2020-11-17 | 2023-02-07 | Vmware, Inc. | Autonomous distributed forwarding plane traceability based anomaly detection in application traffic for hyper-scale SD-WAN |
| US11575600B2 (en) | 2020-11-24 | 2023-02-07 | Vmware, Inc. | Tunnel-less SD-WAN |
| US11929903B2 (en) | 2020-12-29 | 2024-03-12 | VMware LLC | Emulating packet flows to assess network links for SD-WAN |
| US12218845B2 (en) | 2021-01-18 | 2025-02-04 | VMware LLC | Network-aware load balancing |
| US11792127B2 (en) | 2021-01-18 | 2023-10-17 | Vmware, Inc. | Network-aware load balancing |
| US11979325B2 (en) | 2021-01-28 | 2024-05-07 | VMware LLC | Dynamic SD-WAN hub cluster scaling with machine learning |
| US12368676B2 (en) | 2021-04-29 | 2025-07-22 | VMware LLC | Methods for micro-segmentation in SD-WAN for virtual networks |
| US12009987B2 (en) | 2021-05-03 | 2024-06-11 | VMware LLC | Methods to support dynamic transit paths through hub clustering across branches in SD-WAN |
| US11582144B2 (en) | 2021-05-03 | 2023-02-14 | Vmware, Inc. | Routing mesh to provide alternate routes through SD-WAN edge forwarding nodes based on degraded operational states of SD-WAN hubs |
| US11729065B2 (en) | 2021-05-06 | 2023-08-15 | Vmware, Inc. | Methods for application defined virtual network service among multiple transport in SD-WAN |
| US11489720B1 (en) | 2021-06-18 | 2022-11-01 | Vmware, Inc. | Method and apparatus to evaluate resource elements and public clouds for deploying tenant deployable elements based on harvested performance metrics |
| US12015536B2 (en) | 2021-06-18 | 2024-06-18 | VMware LLC | Method and apparatus for deploying tenant deployable elements across public clouds based on harvested performance metrics of types of resource elements in the public clouds |
| US12250114B2 (en) | 2021-06-18 | 2025-03-11 | VMware LLC | Method and apparatus for deploying tenant deployable elements across public clouds based on harvested performance metrics of sub-types of resource elements in the public clouds |
| US12047282B2 (en) | 2021-07-22 | 2024-07-23 | VMware LLC | Methods for smart bandwidth aggregation based dynamic overlay selection among preferred exits in SD-WAN |
| US12267364B2 (en) | 2021-07-24 | 2025-04-01 | VMware LLC | Network management services in a virtual network |
| US11375005B1 (en) | 2021-07-24 | 2022-06-28 | Vmware, Inc. | High availability solutions for a secure access service edge application |
| US12160355B2 (en) * | 2021-07-30 | 2024-12-03 | Cisco Technology, Inc. | Network monitoring agent hubs |
| US11943146B2 (en) | 2021-10-01 | 2024-03-26 | VMware LLC | Traffic prioritization in SD-WAN |
| US12184557B2 (en) | 2022-01-04 | 2024-12-31 | VMware LLC | Explicit congestion notification in a virtual environment |
| US12425395B2 (en) | 2022-01-15 | 2025-09-23 | VMware LLC | Method and system of securely adding an edge device operating in a public network to an SD-WAN |
| US12375357B2 (en) * | 2022-05-13 | 2025-07-29 | Microsoft Technology Licensing, Llc | Re-simulation of updated SDN connection flows |
| US11909815B2 (en) | 2022-06-06 | 2024-02-20 | VMware LLC | Routing based on geolocation costs |
| US20240022626A1 (en) | 2022-07-18 | 2024-01-18 | Vmware, Inc. | Dns-based gslb-aware sd-wan for low latency saas applications |
| US20240028378A1 (en) | 2022-07-20 | 2024-01-25 | Vmware, Inc. | Method for modifying an sd-wan using metric-based heat maps |
| US12489672B2 (en) | 2022-08-28 | 2025-12-02 | VMware LLC | Dynamic use of multiple wireless network links to connect a vehicle to an SD-WAN |
| US12057993B1 (en) | 2023-03-27 | 2024-08-06 | VMware LLC | Identifying and remediating anomalies in a self-healing network |
| US12425332B2 (en) | 2023-03-27 | 2025-09-23 | VMware LLC | Remediating anomalies in a self-healing network |
| US12034587B1 (en) | 2023-03-27 | 2024-07-09 | VMware LLC | Identifying and remediating anomalies in a self-healing network |
| US12483968B2 (en) | 2023-08-16 | 2025-11-25 | Velocloud Networks, Llc | Distributed gateways for multi-regional large scale deployments |
| US12355655B2 (en) | 2023-08-16 | 2025-07-08 | VMware LLC | Forwarding packets in multi-regional large scale deployments with distributed gateways |
| US12261777B2 (en) | 2023-08-16 | 2025-03-25 | VMware LLC | Forwarding packets in multi-regional large scale deployments with distributed gateways |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012081202A1 (en) * | 2010-12-14 | 2012-06-21 | Nec Corporation | Communication control system, control device, communication control method, and communication control program |
| CN103026669A (zh) * | 2010-08-20 | 2013-04-03 | 日本电气株式会社 | 通信系统、控制设备、通信方法以及程序 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0831876B2 (ja) * | 1985-09-20 | 1996-03-27 | 株式会社日立製作所 | パケツト交換網におけるル−チング制御方式 |
| US6275470B1 (en) * | 1999-06-18 | 2001-08-14 | Digital Island, Inc. | On-demand overlay routing for computer-based communication networks |
| US20020136223A1 (en) * | 2000-12-19 | 2002-09-26 | Ho Ka K. | Method and apparatus for interworking PNNI with the signalling and routing protocols used in MPLS networks |
| US6553030B2 (en) * | 2000-12-28 | 2003-04-22 | Maple Optical Systems Inc. | Technique for forwarding multi-cast data packets |
| US7072323B2 (en) * | 2001-08-15 | 2006-07-04 | Meshnetworks, Inc. | System and method for performing soft handoff in a wireless data network |
| DE60312355T2 (de) * | 2002-10-11 | 2007-11-08 | Nokia Corp. | Dynamisches peer tunneling mit leistungsoptimierung |
| US7466655B1 (en) * | 2003-09-16 | 2008-12-16 | Cisco Technology, Inc. | Ant-based method for discovering a network path that satisfies a quality of service equipment |
| US7414977B2 (en) * | 2003-11-25 | 2008-08-19 | Mitsubishi Electric Research Laboratories, Inc. | Power and delay sensitive ad-hoc communication networks |
| CN1898917B (zh) * | 2003-12-22 | 2011-06-08 | 艾利森电话股份有限公司 | 移动分组流的控制 |
| US20080189769A1 (en) * | 2007-02-01 | 2008-08-07 | Martin Casado | Secure network switching infrastructure |
| US20080212585A1 (en) * | 2007-03-01 | 2008-09-04 | Russell White | Preventing Loops during Recovery in Network Rings Using Cost Metric Routing Protocol |
| JP5621781B2 (ja) * | 2009-10-06 | 2014-11-12 | 日本電気株式会社 | ネットワークシステムとコントローラと方法とプログラム |
| EP2523402A4 (en) * | 2010-01-05 | 2017-10-18 | Nec Corporation | Communication system, control apparatus, processing rule setting method, packet transmitting method and program |
| KR101476014B1 (ko) * | 2010-01-05 | 2014-12-23 | 닛본 덴끼 가부시끼가이샤 | 네트워크 시스템 및 네트워크 용장화 방법 |
| JP5742834B2 (ja) * | 2010-03-05 | 2015-07-01 | 日本電気株式会社 | 通信システム、経路制御装置、パケット転送装置および経路制御方法 |
| CN106059811B (zh) * | 2010-11-01 | 2019-07-05 | 日本电气株式会社 | 通信系统、控制装置、分组转发路径控制方法 |
| US9397956B2 (en) * | 2011-06-02 | 2016-07-19 | Nec Corporation | Communication system, control device, forwarding node, and control method and program for communication system |
| US8971334B2 (en) * | 2011-08-02 | 2015-03-03 | Telefonaktiebolaget L M Ericsson (Publ) | Packet broadcast mechanism in a split architecture network |
| US8787388B1 (en) * | 2011-08-29 | 2014-07-22 | Big Switch Networks, Inc. | System and methods for forwarding packets through a network |
| US20140241367A1 (en) * | 2011-12-27 | 2014-08-28 | Nec Corporation | Communication system, controller, communication method, and program |
| US8995272B2 (en) * | 2012-01-26 | 2015-03-31 | Brocade Communication Systems, Inc. | Link aggregation in software-defined networks |
| US20150117194A1 (en) * | 2012-04-16 | 2015-04-30 | Nec Corporation | Network Control Method and Device |
| US20150249587A1 (en) * | 2012-09-20 | 2015-09-03 | Ntt Docomo, Inc. | Method and apparatus for topology and path verification in networks |
| US8989199B1 (en) | 2014-02-24 | 2015-03-24 | Level 3 Communications, Llc | Control device discovery in networks having separate control and forwarding devices |
-
2014
- 2014-02-24 US US14/188,027 patent/US8989199B1/en active Active
-
2015
- 2015-02-19 JP JP2016552529A patent/JP6576006B2/ja active Active
- 2015-02-19 WO PCT/US2015/016658 patent/WO2015127107A1/en not_active Ceased
- 2015-02-19 CN CN201580010033.7A patent/CN106063195B/zh not_active Expired - Fee Related
- 2015-02-20 CA CA2882535A patent/CA2882535C/en not_active Expired - Fee Related
- 2015-02-20 EP EP15155929.1A patent/EP2911348B1/en not_active Not-in-force
- 2015-03-24 US US14/667,407 patent/US9374296B2/en active Active
-
2016
- 2016-06-08 US US15/177,170 patent/US10057158B2/en active Active
-
2018
- 2018-08-20 US US16/105,880 patent/US10673741B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103026669A (zh) * | 2010-08-20 | 2013-04-03 | 日本电气株式会社 | 通信系统、控制设备、通信方法以及程序 |
| WO2012081202A1 (en) * | 2010-12-14 | 2012-06-21 | Nec Corporation | Communication control system, control device, communication control method, and communication control program |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6576006B2 (ja) | 2019-09-18 |
| EP2911348A1 (en) | 2015-08-26 |
| US20180359174A1 (en) | 2018-12-13 |
| US10673741B2 (en) | 2020-06-02 |
| CN106063195A (zh) | 2016-10-26 |
| CA2882535A1 (en) | 2015-07-20 |
| EP2911348B1 (en) | 2017-12-20 |
| US10057158B2 (en) | 2018-08-21 |
| US20150244610A1 (en) | 2015-08-27 |
| HK1213383A1 (en) | 2016-06-30 |
| US20160285742A1 (en) | 2016-09-29 |
| CA2882535C (en) | 2017-01-10 |
| JP2017506462A (ja) | 2017-03-02 |
| US9374296B2 (en) | 2016-06-21 |
| WO2015127107A1 (en) | 2015-08-27 |
| US8989199B1 (en) | 2015-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106063195B (zh) | 具有单独控制设备和转发设备的网络中的控制设备发现 | |
| JP7417825B2 (ja) | スライスベースルーティング | |
| US10091107B2 (en) | Network path selection using bandwidth prediction | |
| CA2922541C (en) | Buffer-less virtual routing | |
| US20150156106A1 (en) | Metric biasing for bandwidth aware tie breaking | |
| US9647928B2 (en) | OSPF point-to-multipoint over broadcast or NBMA mode | |
| US20140086065A1 (en) | Disjoint multi-paths with service guarantee extension | |
| US6950424B2 (en) | OSPF autonomous system with a backbone divided into two sub-areas | |
| EP1185041B1 (en) | OSPF autonomous system with a backbone divided into two sub-areas | |
| JP5945254B2 (ja) | ネットワーク制御システムおよびネットワーク制御方法 | |
| CN105791110B (zh) | 一种建立流路径的方法及装置 | |
| CN120263709A (zh) | 通信方法及装置 | |
| van Adrichem | Resilience and Application Deployment in Software-Defined Networks | |
| HK1213383B (en) | Control device discovery in networks having separate control and forwarding devices | |
| 北辻佳憲 | Studies on network traffic engineering exploiting dynamic IP-flow characteristics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190528 Termination date: 20200219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |