WO2013146770A1 - 通信装置、制御装置、通信システム、通信方法、通信装置の制御方法及びプログラム - Google Patents

通信装置、制御装置、通信システム、通信方法、通信装置の制御方法及びプログラム Download PDF

Info

Publication number
WO2013146770A1
WO2013146770A1 PCT/JP2013/058756 JP2013058756W WO2013146770A1 WO 2013146770 A1 WO2013146770 A1 WO 2013146770A1 JP 2013058756 W JP2013058756 W JP 2013058756W WO 2013146770 A1 WO2013146770 A1 WO 2013146770A1
Authority
WO
WIPO (PCT)
Prior art keywords
processing rule
packet
processing
control device
communication device
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.)
Ceased
Application number
PCT/JP2013/058756
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
衞 高城
正徳 高島
志穂美 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to RU2014143340/08A priority Critical patent/RU2589867C2/ru
Priority to EP13769749.6A priority patent/EP2833586A4/en
Priority to US14/385,453 priority patent/US9537764B2/en
Priority to JP2014507910A priority patent/JP6052284B2/ja
Priority to IN7936DEN2014 priority patent/IN2014DN07936A/en
Priority to CA2868712A priority patent/CA2868712A1/en
Priority to KR1020147029765A priority patent/KR101641813B1/ko
Priority to CN201380017022.2A priority patent/CN104247345A/zh
Publication of WO2013146770A1 publication Critical patent/WO2013146770A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • H04L45/42—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
    • H04L45/38—Flow based routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0895—Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/34—Signalling channels for network management communication
    • H04L41/342—Signalling channels for network management communication between virtual entities, e.g. orchestrators, SDN or NFV entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/12—Avoiding congestion; Recovering from congestion
    • H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/12—Protocol engines
    • 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
    • H04L45/64—Routing or path finding of packets in data switching networks using an overlay routing layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22—Parsing or analysis of headers

Definitions

  • the present invention is based on the priority claim of Japanese patent application: Japanese Patent Application No. 2012-074655 (filed on March 28, 2012), and the entire content of the application is incorporated herein by reference. Shall.
  • the present invention relates to a communication device, a control device, a communication system, a communication method, a control method for the communication device, and a program, and in particular, a communication device, a control device, a communication system, and a communication that perform packet processing according to control information set from the control device.
  • the present invention relates to an apparatus control method and a program.
  • Non-Patent Documents 1 and 2 One of the elemental technologies is the open flow described in Non-Patent Documents 1 and 2.
  • OpenFlow a switch capable of high-speed transfer is arranged on the user plane, and route information is optimally set from the OpenFlow controller, so that it is possible to meet the needs for high-speed transfer at a reasonable cost.
  • the control device sequentially transfers the packet instructed to transfer via the control plane and the newly set processing rule.
  • the transfer instruction Packet-out; S207
  • Steps S204 and S205 Flow-mod.
  • Unicast (S206) of the subsequent packet by the unicast flow entry is performed first.
  • the present invention provides a communication device, a control device, and a communication device that can reduce the load when a relatively large amount of data flows in the above-described centralized control type network, and can suppress the above-described reversal of arrival order of packets. It is an object to provide a system, a communication method, a communication device control method, and a program.
  • a processing rule storage unit capable of storing a first processing rule for an unknown packet set in advance and a second processing rule set by a control device, and the processing rule storage A state in which a predetermined message is transmitted to the control device when a packet is processed using the first processing rule, and a packet processing unit that processes a received packet based on a processing rule stored in the unit.
  • a communication device is provided that includes a notification unit and continues packet processing using the first processing rule until the second processing rule is set by the control device.
  • a second processing rule to be set in the communication device is created, set in the communication device, and the control A control device for discarding a packet included in a message is provided.
  • a communication system including the communication device and the control device described above is provided.
  • a processing rule storage unit capable of storing a first processing rule for an unknown packet set in advance and a second processing rule set by a control device, and the processing rule storage
  • a communication device including a packet processing unit that processes a received packet based on a processing rule stored in the unit processes a packet using the first processing rule
  • a communication method comprising: transmitting a predetermined control message; and continuing packet processing using the first processing rule until the second processing rule is set from the control device.
  • the This method is linked to a specific machine, which is a communication device that processes a packet from a control device using a processing rule.
  • a processing rule storage unit capable of storing a first processing rule for an unknown packet set in advance and a second processing rule set by a control device, and the processing rule storage
  • a packet processing unit that processes a received packet based on a processing rule stored in the unit, and a predetermined control message is transmitted to the control device when the packet is processed using the first processing rule.
  • the control device connected to the communication device including the state notification unit receives the predetermined control message from the communication device, the control device creates a second processing rule to be set in the communication device, and
  • a method for controlling a communication apparatus comprising: a setting step; and a step of discarding a packet included in the control message. This method is linked to a specific machine called a control device that sets processing rules in response to a request from a communication device.
  • a computer program to be executed by each of the communication device and the control device is provided.
  • This program can be recorded on a computer-readable (non-transient) storage medium. That is, the present invention can be embodied as a computer program product.
  • the present invention in a centralized control type network, it is possible to contribute to the reduction of the load on each device when a large amount of data flows in and the suppression of packet transmission order reversal.
  • FIG. 7 is a continuation diagram of FIG. 6. It is a sequence diagram showing operation
  • the present invention can be realized by a configuration including one or more communication devices 10A and a control device 20A for controlling the communication devices 10A as shown in FIG.
  • the communication device 10A includes a processing rule storage unit 11A capable of storing a first processing rule for unknown packets set in advance and a second processing rule set by the control device;
  • the control device 20A A state notification unit 13A that transmits a predetermined message. Then, the communication device 10A continues the packet processing using the first processing rule until the second processing rule is set from the control device 20A.
  • control device 20A when the control device 20A receives the predetermined control message from the communication device 10A, the control device 20A creates a second processing rule to be set in the communication device 10A and sets it in the communication device 10A. Note that the control device 20A discards the packet included in the control message without performing the packet transmission instruction to the communication device 10A performed in Non-Patent Documents 1 and 2 (that is, the packet that passes through the control plane). No transfer operation is performed.)
  • the processing is performed according to the first processing rule, so that the control device 20A is not overloaded. Further, after the setting of the second processing rule by the control device 20A, as shown in FIG. 2, the process is switched to the processing according to the second processing rule as a known packet, so that the packet transmission order is not reversed.
  • FIG. 3 is a diagram illustrating the configuration of the communication system according to the first embodiment of this invention.
  • a communication system including switches 10-1 to 10-3 connected to each other and a controller 20 that controls these switches 10-1 to 10-3.
  • the server 30 and the client 40 of FIG. 3 can communicate via the switches 10-1 and 10-3, respectively.
  • the solid line in FIG. 3 indicates the network connection relationship, and the broken line indicates a control channel between the controller 20 and the switch.
  • FIG. 4 is a diagram showing a configuration of the switch 10-1 according to the first embodiment of the present invention.
  • the controller 20 that controls the switch 10-1 by setting the flow entry in the switch 10-1 and the match field that matches the received packet from the flow entries set by the controller 20 are included.
  • a switch 10-1 that searches for a flow entry and performs packet processing is shown.
  • the switch 10-1 includes a flow entry storage unit 11 (corresponding to the processing rule storage unit 11A) that stores flow entries, and a packet processing unit 12 that processes received packets according to the flow entries stored in the flow entry storage unit 11 ( Controller communication that transmits a control message to the controller 20 when the received packet hits the Unknown Unicast flow entry and is transferred in the packet processing unit 12.
  • Unit 13 (corresponding to the state notification unit 13A).
  • FIG. 5 is a diagram illustrating an example of a flow entry storage table (flow table) stored in the flow entry storage unit 11.
  • the Priority field in the figure indicates the priority of each flow entry.
  • the search condition field in FIG. 5 stores information on a match field to be compared with the received packet.
  • the flow entry in which “Exact” is designated is collated with the header of the received packet and the like by Exact Matching.
  • dl_dest X. X. X.
  • the data link layer address of the received packet that is, the destination MAC MAC address is X.X. X. X. If it is X, it becomes a hit.
  • Non-Patent Document 2 flooding processing (refer to FLOOD in “4.5 Reserved Ports” in Non-Patent Document 2) and the controller 20 are transferred from port 0 / cc and port 0 / dd.
  • a packet-in message (transferred) for notifying receipt of a new packet is transmitted (that is, transferred to the switches 10-2 and 10-3).
  • the Packet-in message (transferred) is different from the Packet-in message described in Non-Patent Documents 1 and 2, that at least the controller 20 has transferred the received packet, that is, received on the control plane. This is a control message to which an identifier or the like for notifying that a packet output instruction is not required.
  • the flooding process and the packet ⁇ to the controller 20 are performed according to the flow entry for unknown Unicast (flow entry for unknown packet). An in message (transferred) is transmitted.
  • Such a switch 10-1 is an Openflow switch for Non-Patent Documents 1 and 2 for the Unknown Unicast that performs the flooding process and sends the packet-in message (transferred) to the controller 20 at the time of hit, with the above low priority.
  • This can be realized by setting a flow entry (flow entry for an unknown packet).
  • the switches 10-2 and 10-3 have the same configuration as the switch 10-1 (the contents of the flow entry storage unit (target flow, execution action, etc. are appropriately different), and thus description thereof will be omitted.
  • the controller 20 in FIGS. 3 and 4 performs route calculation and flow entry setting operation when the OpenFlow controller of Non-Patent Documents 1 and 2 receives a Packet-in message (transferred).
  • the switches it is possible to realize by adding a function of discarding the packet included in the Packet-in message (already transferred) without giving a packet output instruction to “switch 10”).
  • switch 10 and the controller 20 shown in FIGS. 3 and 4 may be realized by a computer program that causes a computer mounted on these devices to execute the above-described processes using the hardware. it can.
  • FIG. 6 is a sequence diagram showing the operation of the first exemplary embodiment of the present invention. As shown in FIG. 6, first, when the first packet is transmitted from the server 30 to the client 40 (S001 in FIG. 6), it is received at the port 0 / bb of the switch 10-1.
  • search condition search condition
  • the same processing is performed in the switch 10-2, and the packet transmitted from the server 30 is transferred to the client 40 via the switch 10-2.
  • the controller 20 that has received the control message Packet-in (transferred) recognizes that it is not a normal packet-in but a packet-in (transferred), and starts calculating routes and creating a flow entry. However, the packet output instruction (Packet-out) using the packet or packet information included in the Packet-in (transferred) is not performed (S005 in FIG. 6).
  • the packet order reversal and the packet loss are effectively suppressed.
  • the reason for this is that only the packet entry (forwarded) is sent to the controller by flooding and the packet transmission instruction from the controller via the control plane by the previously set flow entry for Unknown Unicast. This is because the packet output processing is configured to be suppressed.
  • FIG. 8 is a sequence diagram showing the operation of the second exemplary embodiment of the present invention.
  • the basic operations of the switch 10 and the controller 20 are the same as those in the first embodiment. However, as shown at the left end of FIG. 8, the switch 10 transmits the first control message Packet-in (transferred) after transmission. The transmission of the control message Packet-in (transferred) for the second and subsequent predetermined periods is suppressed.
  • the predetermined period can be calculated from the scale of the system, the type of flow assumed, and the like.
  • the switch 10 When the predetermined period has elapsed, the switch 10 performs a flooding process (S003 in FIG. 8) and a packet-in (transferred) transmission (S004 in FIG. 8). Thereafter, transmission of Packet-in (transferred) is paused even if data transfer is performed until a predetermined period elapses.
  • an increase in the load on the switch 10 and the controller 20 can be further suppressed as compared with the first embodiment. Further, according to the present embodiment, since the packet-in (transferred) transmission interval can be adjusted, resources (memory, CPU, etc.) can be saved.
  • the transmission of the control message Packet-in (transferred) for the second and subsequent periods after the transmission of the first control message Packet-in (transferred) has been described as being suppressed.
  • the predetermined period the number of receptions of the packet that is the target of the control message Packet-in (transferred), the amount of data, or the like may be used.
  • the switch 10 suppresses the control message Packet-in (transferred) until the number of received packets and the amount of data exceed a predetermined threshold.
  • the switch 10 resets these values and transmits a control message Packet-in (transferred).
  • the number of packet receptions and the amount of data can be implemented by providing a flow statistical information field (Counter) in the same way as the flow entries described in Non-Patent Documents 1 and 2.
  • the present invention is not limited to the above-described embodiments, and further modifications, substitutions, and adjustments may be made without departing from the basic technical idea of the present invention. Can be added.
  • it is suitable not only for data center applications but also for image distribution services and TV phone services that are greatly affected by sequence control and packet loss. Applicable.
  • the controller 20 has been described as controlling the switch 10, but the above-described flow entry is held, and from the received packet and the installed application according to the content thereof.
  • Communication devices such as mobile phone terminals, smartphones, tablet terminals, personal computers, game machines, and mobile routers that process packets can also be controlled. Thereby, for example, it is possible to suppress an increase in load due to a packet from a packet processing unit inside these devices, a packet order reversal, and the like.
  • the first embodiment and the second embodiment described above are not always performed, but are preferably performed in consideration of the traffic volume and time zone that are statistically grasped. For example, during nights and holidays when the network monitoring level falls, control that allows packet transfer on the control plane as in Non-Patent Documents 1 and 2 is performed. You may make it perform operation
  • the communication device is a control message for requesting the control device to set a second processing rule for a packet processed using the first processing rule.
  • the state notification unit sets the second processing rule to the control device, and transfers the packet.
  • the state notification unit A communication device that suppresses transmission of the predetermined control message to the control device even if a packet is processed using the first processing rule until a predetermined condition is satisfied after transmission of the predetermined message.
  • the communication apparatus is one in which the predetermined condition is any of elapse of a predetermined time, reception of a predetermined number of packets or more and reception of a data amount of a predetermined amount or more.
  • the first processing rule is a communication device that is a processing rule for performing broadcast or multicast on a predetermined route.
  • a processing rule storage unit capable of storing a first processing rule for an unknown packet set in advance and a second processing rule set by the control device, and a processing rule stored in the processing rule storage unit
  • a communication unit including: a packet processing unit that processes a received packet based on the packet; and a state notification unit that transmits a predetermined control message to the control device when the packet is processed using the first processing rule.
  • a second processing rule to be set in the communication device is created and set in the communication device; A program for executing a process of discarding a packet included in the control message. Note that the seventh to twelfth embodiments can be developed into the second to sixth embodiments, similar to the first embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
PCT/JP2013/058756 2012-03-28 2013-03-26 通信装置、制御装置、通信システム、通信方法、通信装置の制御方法及びプログラム Ceased WO2013146770A1 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
RU2014143340/08A RU2589867C2 (ru) 2012-03-28 2013-03-26 Устройство связи, устройство управления, система связи, способ связи, способ управления устройством связи и программа
EP13769749.6A EP2833586A4 (en) 2012-03-28 2013-03-26 COMMUNICATION DEVICE, CONTROL DEVICE, COMMUNICATION SYSTEM, COMMUNICATION METHOD, METHOD FOR CONTROLLING THE COMMUNICATION DEVICE AND PROGRAM
US14/385,453 US9537764B2 (en) 2012-03-28 2013-03-26 Communication apparatus, control apparatus, communication system, communication method, method for controlling communication apparatus, and program
JP2014507910A JP6052284B2 (ja) 2012-03-28 2013-03-26 通信装置、制御装置、通信システム、通信方法、通信装置の制御方法及びプログラム
IN7936DEN2014 IN2014DN07936A (enExample) 2012-03-28 2013-03-26
CA2868712A CA2868712A1 (en) 2012-03-28 2013-03-26 Communication apparatus, control apparatus, communication system, communication method, method for controlling communication apparatus, and program
KR1020147029765A KR101641813B1 (ko) 2012-03-28 2013-03-26 통신 장치, 제어 장치, 통신 시스템, 통신 방법, 통신 장치의 제어 방법 및 프로그램
CN201380017022.2A CN104247345A (zh) 2012-03-28 2013-03-26 通信装置、控制装置、通信系统、通信方法、用于控制通信装置的方法和程序

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-074655 2012-03-28
JP2012074655 2012-03-28

Publications (1)

Publication Number Publication Date
WO2013146770A1 true WO2013146770A1 (ja) 2013-10-03

Family

ID=49260021

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/058756 Ceased WO2013146770A1 (ja) 2012-03-28 2013-03-26 通信装置、制御装置、通信システム、通信方法、通信装置の制御方法及びプログラム

Country Status (9)

Country Link
US (1) US9537764B2 (enExample)
EP (1) EP2833586A4 (enExample)
JP (1) JP6052284B2 (enExample)
KR (1) KR101641813B1 (enExample)
CN (1) CN104247345A (enExample)
CA (1) CA2868712A1 (enExample)
IN (1) IN2014DN07936A (enExample)
RU (1) RU2589867C2 (enExample)
WO (1) WO2013146770A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3148126A4 (en) * 2014-05-21 2017-11-29 Nec Corporation Communication apparatus, control apparatus, communication system, and transmission control method
EP4102806A1 (en) 2021-06-08 2022-12-14 Fujitsu Limited Communication control apparatus, communication control system, and communication control method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105991457B (zh) * 2015-02-10 2019-04-30 南宁富桂精密工业有限公司 交换机、控制设备及其管理方法
TWI578737B (zh) 2015-02-10 2017-04-11 鴻海精密工業股份有限公司 交換機、控制設備及其管理方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9444785B2 (en) 2000-06-23 2016-09-13 Cloudshield Technologies, Inc. Transparent provisioning of network access to an application
JP2002171284A (ja) 2000-11-21 2002-06-14 Youxun Sci & Technol Co Ltd ネットワーク装置の処理方法
JP4782951B2 (ja) * 2001-07-31 2011-09-28 富士通株式会社 放送型通信システム
US7209458B2 (en) 2002-09-27 2007-04-24 Nokia Corporation Enhanced QoS control
US20040223486A1 (en) 2003-05-07 2004-11-11 Jan Pachl Communication path analysis
JP2006174350A (ja) * 2004-12-20 2006-06-29 Fujitsu Ltd 通信装置
JP4161998B2 (ja) * 2005-03-28 2008-10-08 日本電気株式会社 負荷分散振り分けシステム、イベント処理分散制御装置並びにイベント処理分散制御プログラム
US20070073888A1 (en) 2005-09-26 2007-03-29 Ajay Madhok System and method to control transactions on communication channels based on universal identifiers
ES2370779T3 (es) 2006-06-15 2011-12-22 Nokia Siemens Networks S.P.A. Método para la clasificación de paquetes basado en el tipo de protocolo y en prioridades.
CN101595679B (zh) * 2007-02-28 2011-07-13 中兴通讯股份有限公司 Mstp设备上基于速率限制实现流控的装置及方法
US7856019B2 (en) * 2008-08-29 2010-12-21 Extreme Networks, Inc. Convergence of multicast traffic
WO2011083668A1 (ja) * 2010-01-05 2011-07-14 日本電気株式会社 ネットワークシステム、コントローラ、ネットワーク制御方法
WO2012023292A1 (en) 2010-08-20 2012-02-23 Nec Corporation Communication system, controller, node controlling method and program

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
"Understanding OpenFlow: Packet-In is a Page Fault", PROJECT FLOODLIGHT, 27 February 2012 (2012-02-27), XP055161968, Retrieved from the Internet <URL:http://www.projectfloodlight. org/blog/2012/02/27/packet-in-is-a-page- fault> [retrieved on 20130619] *
NICK MCKEOWN, OPENFLOW: ENABLING INNOVATION IN CAMPUS NETWORKS, 14 February 2012 (2012-02-14), Retrieved from the Internet <URL:http://www.openflow.org/documents/openflow-wp-latest.pdf>
OPENFLOW 1.2, 27 March 2012 (2012-03-27), Retrieved from the Internet <URL:https://www.opennetworking.org/images/stories/downloads/openflow/openflow-spec-vl.2.pdf>
See also references of EP2833586A4
WALTER ROBERT J. HARRISON ET AL.: "Frenetic: A Network ProgrammingLanguage", MASTER'S THESIS, May 2011 (2011-05-01), PRINCETON UNIVERSITY, pages 15 - 25, XP055161344, Retrieved from the Internet <URL:http://frenetic-lang.org/ publications/harrison-mse-thesis.pdf> [retrieved on 20130619] *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3148126A4 (en) * 2014-05-21 2017-11-29 Nec Corporation Communication apparatus, control apparatus, communication system, and transmission control method
EP4102806A1 (en) 2021-06-08 2022-12-14 Fujitsu Limited Communication control apparatus, communication control system, and communication control method
US11929921B2 (en) 2021-06-08 2024-03-12 Fujitsu Limited Communication control apparatus, communication control system, and communication control method

Also Published As

Publication number Publication date
CA2868712A1 (en) 2013-10-03
JP6052284B2 (ja) 2016-12-27
JPWO2013146770A1 (ja) 2015-12-14
RU2589867C2 (ru) 2016-07-10
RU2014143340A (ru) 2016-05-20
US9537764B2 (en) 2017-01-03
CN104247345A (zh) 2014-12-24
EP2833586A4 (en) 2015-10-28
US20150085666A1 (en) 2015-03-26
KR101641813B1 (ko) 2016-07-21
IN2014DN07936A (enExample) 2015-05-01
KR20140144240A (ko) 2014-12-18
EP2833586A1 (en) 2015-02-04

Similar Documents

Publication Publication Date Title
CN103299588B (zh) 通信系统、转发节点和接收分组处理方法
CN102904975B (zh) 报文处理的方法和相关装置
US20130128746A1 (en) Mechanism for packet forwarding using switch pools in flow- based, split-architecture networks
JP2011160041A (ja) フロントエンドシステム、フロントエンド処理方法
WO2014112612A1 (ja) 通信システム、制御装置及びネットワークトポロジの管理方法
JP5858141B2 (ja) 制御装置、通信装置、通信システム、通信方法及びプログラム
WO2014183518A1 (zh) 一种实现数据包转发的方法及系统
JP6954295B2 (ja) 通信システム、エッジノード、通信方法及びプログラム
JP6052284B2 (ja) 通信装置、制御装置、通信システム、通信方法、通信装置の制御方法及びプログラム
JP6007972B2 (ja) 通信ノード、パケット処理方法及びプログラム
WO2013176262A1 (ja) パケット転送システム、制御装置、パケット転送方法及びプログラム
JP5935897B2 (ja) 通信ノード、通信システム、制御装置、パケット転送方法及びプログラム
EP3297210B1 (en) Method and apparatus for setting packet transmission mode
WO2014133025A1 (ja) 通信システム、上位コントローラ、ネットワークの制御方法及びプログラム
JP5991427B2 (ja) 制御装置、通信システム、制御情報の送信方法及びプログラム
WO2013141193A1 (ja) 通信システム、制御装置、通信装置、情報中継方法及びプログラム
WO2016017737A1 (ja) スイッチ、オーバーレイネットワークシステム、通信方法及びプログラム
WO2014010723A1 (ja) スイッチ、通信システム、スイッチ制御方法及びプログラム
JP6128132B2 (ja) 通信装置、制御装置、通信システム、パケット処理方法、通信装置の制御方法及びプログラム
JP5861424B2 (ja) 通信システム、制御装置、通信方法およびプログラム
JP2014158143A (ja) 負荷分散システム、負荷分散方法
JP2016139908A (ja) 通信システム、通信ノード、制御装置、通信制御方法、及び、プログラム
WO2014020902A1 (en) Communication system, control apparatus, communication method, and program
WO2015087947A1 (ja) 通信システム、通信ノード、制御装置、通信制御方法及びプログラム
JP2016015687A (ja) パケット転送システム，及びパケット転送装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13769749

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 14385453

Country of ref document: US

Ref document number: 2013769749

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2014507910

Country of ref document: JP

Kind code of ref document: A

Ref document number: 2868712

Country of ref document: CA

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112014023689

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 20147029765

Country of ref document: KR

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2014143340

Country of ref document: RU

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 112014023689

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20140924