WO2016095574A1 - Système et procédé de commande de réseau mpls basé sur sdn - Google Patents

Système et procédé de commande de réseau mpls basé sur sdn Download PDF

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WO2016095574A1
WO2016095574A1 PCT/CN2015/089496 CN2015089496W WO2016095574A1 WO 2016095574 A1 WO2016095574 A1 WO 2016095574A1 CN 2015089496 W CN2015089496 W CN 2015089496W WO 2016095574 A1 WO2016095574 A1 WO 2016095574A1
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label
forwarding
forwarding table
packet
index number
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翟跃
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上海斐讯数据通信技术有限公司
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  • the invention relates to a computer network technology, in particular to an SDN based MPLS network control system and method.
  • the north-south traffic is mainly divided into two types, north-south traffic and east-west traffic.
  • the north-south direction is based on user access to data center content.
  • the east-west traffic includes: data center cloud resource pool (within the same data center or across data centers) synchronization, backup, and CDN (Content Delivery Network) traffic push.
  • CDN Content Delivery Network
  • the traffic engineering mechanism is currently used less, resulting in the problem that the link utilization efficiency between the data center or the data center is not high, mainly in two aspects: for synchronization and backup traffic, in most cases
  • the link bandwidth utilization of these traffic is very low, resulting in wasted network bandwidth resources.
  • the peaks are usually concentrated because their traffic is mainly concentrated when access is busy.
  • the link bandwidth can only be designed according to the peak value, which causes the link bandwidth rate to be low under normal traffic conditions, which increases the waste of network bandwidth resources.
  • MPLS Multi-Protocol Label Switching
  • MPLS is a system for fast data packet switching and routing. It provides the target, routing address, forwarding, and switching capabilities for network data traffic.
  • Due to the distributed control adopted by MPLS it is difficult to sense the link bandwidth utilization, and collect and analyze the traffic distribution of the entire network. Therefore, although the existing MPLS network can improve the utilization of network bandwidth resources, it still has a large space for improvement of network bandwidth resource utilization.
  • an object of the present invention is to provide an SDN-based MPLS network control system and method for solving the problem that the utilization of network bandwidth resources in the prior art needs to be further improved.
  • the present invention provides an SDN-based MPLS network control system, where the SDN-based MPLS network control system includes: an SDN controller, configured to deliver an IP forwarding table and a label forwarding table to the switch. And the flow table, the flow table includes: matching the IP packet according to the destination IP and matching the tagged message according to the label; when the matching according to the destination IP is successful, performing the IP packet processing operation includes: querying the IP forwarding table Obtaining the gateway and the outgoing label information, and forwarding the IP packet; when the label matching is successful, the executed labeled packet processing operation includes: Querying the label forwarding table to obtain the outbound interface and the outgoing label information, and forwarding the labeled packet; the switch includes a border switching router and a label switching router; and the border switching router is configured to receive the IP forwarding table and the label Transmitting a table and a flow table, and processing the received message according to the flow table, where the processing of the border switching router includes converting an IP packet entering the MP
  • the SDN controller establishes a label forwarding channel according to the traffic distribution of the entire network, and converts the label forwarding channel into the IP forwarding table and the label forwarding table and sends the label forwarding table to the switch.
  • the label forwarding channel includes a plurality of labels, and each of the label forwarding channels allocates different weights according to different link bandwidth conditions; and the IP forwarding table and the label forwarding table converted by the label forwarding channel are provided. The function of forwarding based on weights.
  • the IP forwarding table is a secondary index table, where the primary IP forwarding table includes a destination IP, a mask, and a secondary table index number; the secondary IP forwarding table includes a gateway, an outgoing label, and a next
  • the specific implementation of the IP packet processing operation includes: after the IP packet matches the primary IP forwarding table, obtaining the secondary table index number, and then according to the secondary table index number in the second level The gateway and the outgoing label and the next index number are obtained in the IP forwarding table; the next index number is written back to the secondary table index number of the primary IP forwarding table.
  • the label forwarding table is a secondary index table, where the primary label forwarding table includes an ingress port, an inbound label, and a secondary table index number; and the secondary label forwarding table includes an out port, an out label, and an An index implementation; the specific implementation of the tagged message processing operation includes: obtaining a secondary table index number after the tagged message matches the primary label forwarding table, and then according to the secondary table index number The port label and the outgoing label and the next index number are obtained in the level label forwarding table; the next index number is written back to the second table index number of the level label forwarding table.
  • the SDN-based MPLS network control method includes: the SDN controller sends an IP forwarding table, a label forwarding table, and a flow table to the switch, where the flow table includes The destination IP matches the IP packet and matches the labeled packet according to the label.
  • the IP packet processing operation includes: querying the IP forwarding table to obtain the gateway and the outgoing label information, and forwarding the IP address.
  • the packet processing operation includes: querying the label forwarding table to obtain an outbound port and outbound label information, and forwarding the labeled packet; the switch includes a border switching router.
  • the border switching router receives the IP forwarding table, a label forwarding table, and a flow table, the label switching router receives the label forwarding table and a flow table; and the switch performs a location according to the flow table Receiving a message for processing, wherein the processing of the border switching router includes converting an IP packet entering the MPLS network Tagged packets and will leave the The tagged packet of the MPLS network is converted into an IP packet; the processing of the label switching router includes forwarding the tagged packet.
  • the SDN controller establishes a label forwarding channel according to the traffic distribution of the entire network, and converts the label forwarding channel into the IP forwarding table and the label forwarding table and sends the label forwarding table to the switch.
  • the label forwarding channel includes a plurality of labels, and each of the label forwarding channels allocates different weights according to different link bandwidth conditions; and the IP forwarding table and the label forwarding table converted by the label forwarding channel are provided. The function of forwarding based on weights.
  • the IP forwarding table is a secondary index table, where the primary IP forwarding table includes a destination IP, a mask, and a secondary table index number; the secondary IP forwarding table includes a gateway, an outgoing label, and a next
  • the specific implementation of the IP packet processing operation includes: after the IP packet matches the primary IP forwarding table, obtaining the secondary table index number, and then according to the secondary table index number in the second level The gateway and the outgoing label and the next index number are obtained in the IP forwarding table; the next index number is written back to the secondary table index number of the primary IP forwarding table.
  • the label forwarding table is a secondary index table, where the primary label forwarding table includes an ingress port, an inbound label, and a secondary table index number; and the secondary label forwarding table includes an out port, an out label, and an An index implementation; the specific implementation of the tagged message processing operation includes: obtaining a secondary table index number after the tagged message matches the primary label forwarding table, and then according to the secondary table index number The port label and the outgoing label and the next index number are obtained in the level label forwarding table; the next index number is written back to the second table index number of the level label forwarding table.
  • an SDN-based MPLS network control system and method of the present invention has the following beneficial effects: the flow table is expanded based on SDN, and the centralized control management of the SDN controller facilitates collection and analysis of traffic distribution of the entire network, according to SDN control.
  • the device can more accurately establish multiple label forwarding channels (LSPs), and perform proper scheduling of link traffic according to weights, and implement flow table forwarding of weight-based link traffic in a multi-link situation, which can fully utilize the entire network.
  • LSPs label forwarding channels
  • Link resources enable better network traffic optimization.
  • FIG. 1 is a block diagram showing an embodiment of an SDN-based MPLS network control system according to the present invention.
  • FIG. 2 is a schematic structural diagram of an embodiment of an SDN-based MPLS network control system according to the present invention.
  • FIG. 3 is a schematic structural diagram of an embodiment of an SDN-based MPLS network control system according to the present invention.
  • FIG. 4 is a schematic structural diagram of an embodiment of an SDN-based MPLS network control system according to the present invention.
  • FIG. 5 is a schematic structural diagram of an embodiment of an SDN-based MPLS network control system according to the present invention.
  • FIG. 6 is a schematic diagram showing the function of an embodiment of an SDN-based MPLS network control system according to the present invention.
  • FIG. 7 is a schematic diagram showing the function of an embodiment of an SDN-based MPLS network control system according to the present invention.
  • FIG. 8 is a schematic flowchart diagram of an embodiment of an SDN-based MPLS network control method according to the present invention.
  • FIG. 9 is a schematic flowchart diagram of an embodiment of an SDN-based MPLS network control method according to the present invention.
  • FIG. 10 is a schematic flowchart diagram of an embodiment of an SDN-based MPLS network control method according to the present invention.
  • FIG. 11 is a schematic flowchart diagram of an embodiment of an SDN-based MPLS network control method according to the present invention.
  • FIG. 12 is a schematic flowchart diagram of an embodiment of an SDN-based MPLS network control method according to the present invention.
  • the invention provides an SDN based MPLS network control system.
  • SDN Software Defined Network
  • OpenFlow OpenFlow
  • a border switching router can be called an LER
  • a label switching router can be called an LSR.
  • the SDN-based MPLS network control system 1 includes an SDN controller 11, a border switching router 12, and a label switching router 13. among them:
  • the SDN controller 11 is configured to send an IP forwarding table, a label forwarding table, and a flow table to the switch, where the flow table includes an identifier for matching the IP packet according to the destination IP and matching the label according to the label;
  • the IP packet processing operation is performed by: querying the IP forwarding table to obtain a gateway and outgoing label information, and forwarding the IP packet;
  • the tagged message processing operation includes: querying the tag forwarding table to obtain the outbound port and the outbound tag information, and forwarding the tagged message;
  • the switch includes the border switching router 12 and the tag Switch router 13.
  • two types, OFPAT_LOOKUP_FIB and OFPAT_LOOKUP_LFIB need to be added to the original flow table instruction set.
  • the SDN controller 11 establishes a label forwarding channel according to the traffic distribution of the entire network, and converts the label forwarding channel into the IP forwarding table and the label forwarding table and sends the label forwarding table to the switch.
  • the label forwarding channel includes a plurality of labels, and each of the label forwarding channels allocates different weights according to different link bandwidth conditions; and the label forwarding channel converts the IP forwarding table and label forwarding Publish features that are forwarded based on weights. In one embodiment, as shown in FIG.
  • the figure shows that the SDN-based MPLS network control system 1 structure establishes a label forwarding channel according to the traffic conditions of the entire network.
  • a plurality of label forwarding channels (LSPs, also referred to as label switching paths) are established for the packets by using the MPLS labels that are allocated in advance, and the link traffic is properly scheduled through the extended flow table, thereby effectively utilizing the link bandwidth. Resources.
  • LSPs label forwarding channels
  • FIG. 3 the forwarding of packet messages in the label forwarding channel of the SDN-based MPLS network control system 1 architecture is shown.
  • Source A to terminal B have two static LSPs.
  • the weight of LSP A is 3, and the weight of LSP B is 2.
  • Packets 1 through 5 will bear the same traffic flow (with the same source IP address and destination IP address, carrying the same traffic type). Packets 1, 3, and 5 will take LSP A, and packets 2 and 4 will take LSP B.
  • the SDN controller 1 establishes a process for the static LSP (the same source and destination packets can use multiple LSPs with different weights), the MPLS label distribution will adopt the local binding mode, and the SDN controller 1 according to the user requirements. , allocate reasonable LSPs and corresponding weights. If the LER processes the IP packet, the controller needs to write the matching field of the flow table according to the destination IP address in the packet, and the action is set to OFPAT_LOOKUP_FIB.
  • the secondary IP forwarding index table is statically configured and delivered based on the destination IP address, mask, LSP weight, gateway, and outgoing label. If the weight of the LSP is n, then there must be n entries of the same gateway and outgoing label in the secondary IP forwarding table.
  • the secondary label forwarding index table is statically configured and delivered based on the inbound port, inbound label, LSP weight, outgoing port, and outgoing label. If the weight of the LSP is n, then there must be n entries of the same outgoing port and outgoing label in the secondary label forwarding table.
  • the border switching router 12 is configured to receive the IP forwarding table, the label forwarding table, and the flow table, and process the received packet according to the flow table, where the processing of the border switching router includes entering the MPLS.
  • the IP packet of the network is converted into a tagged message and the tagged message leaving the MPLS network is converted into an IP packet.
  • the IP forwarding table is a secondary index table, that is, a secondary IP forwarding index table, and includes a primary IP forwarding table and a secondary IP forwarding table.
  • the primary IP forwarding table includes a destination IP address and a mask.
  • the second-level IP address forwarding table includes a gateway, an outgoing label, and a next index number.
  • the specific implementation of the IP packet processing operation includes: after the IP packet matches the primary IP forwarding table. Obtaining a secondary table index number, and then obtaining a gateway and an outgoing label and a next index number in the secondary IP forwarding table according to the secondary table index number; the next index number is written back to the primary IP forwarding table.
  • the secondary table index number In an embodiment, as shown in FIG. 4, the primary IP forwarding table includes an index of a destination IP, a mask, and a secondary IP forwarding table, where the secondary IP forwarding table includes a gateway, an outgoing label, and an The index of an entry.
  • the secondary IP forwarding table index is obtained, and then the gateway and the outgoing label and the index of the next entry are obtained in the secondary IP forwarding table according to the index.
  • the index of the last next entry will be written back to the index field of the secondary table of the primary IP forwarding table.
  • the index of the next entry of the secondary IP forwarding table is obtained, thereby implementing the weighted MPLS traffic engineering.
  • the label switching router 13 is configured to receive the label forwarding table and the flow table, and process the received message according to the flow table.
  • the processing of the label switching router includes forwarding the labeled message.
  • the label forwarding table is a secondary index table, that is, a secondary label forwarding index table, and includes a primary label forwarding table and a secondary label forwarding table.
  • the first label forwarding table includes an ingress port.
  • the second label forwarding table includes an egress port, an egress label, and a next index number.
  • the specific implementation of the labeled packet processing operation includes: when the labeled packet matches the first level After the label forwarding table is obtained, the secondary table index number is obtained, and then the port and the outgoing label and the next index number are obtained in the secondary label forwarding table according to the secondary table index number; the next index number is written back to The secondary table index number of the primary label forwarding table.
  • the first-level label forwarding table includes an index of an ingress port, an ingress label, and a level label forwarding table.
  • the secondary label forwarding table includes an outbound port, an outgoing label (including a label action), and an index of the next entry.
  • the secondary table index is obtained, and then the port and the outgoing label and the index of the next entry are obtained in the secondary label forwarding table according to the index.
  • the index of the last next entry will be written back to the index field of the secondary table of the primary label forwarding table.
  • the index of the next entry of the secondary table is obtained, thereby implementing the weighted MPLS traffic engineering.
  • the border switching router 12 of the SDN-based MPLS network control system 1 and the label switching router 13 process the message as shown in the figure.
  • the LSR Tag Switch Router 13
  • LFIB Secondary Label Forwarding Table
  • the LER Boundary Switch Router 12
  • the processing of the packet by the SDN-based MPLS network control system 1 includes: processing the IP packet through the flow table and the IP secondary index table in the LER (Boundary Switch Router 12) Got Go to the corresponding label grouping message.
  • the label packet message is forwarded by the label table in the MPLS network through the processing of the flow table and the label secondary index table in the LSR (label switching router 13).
  • the label packet packet is forwarded by the LER (Boundary Switch Router 12) flow table and the label secondary index table at the edge of the MPLS network to obtain a corresponding IP packet packet and forwarded.
  • the present invention provides an SDN-based MPLS network control method. As shown in FIG. 8, the SDN-based MPLS network control method includes:
  • step S1 the SDN controller sends an IP forwarding table, a label forwarding table, and a flow table to the switch, where the flow table includes an IP packet matching the destination IP address and a label matching packet according to the label;
  • the performing the IP packet processing operation includes: querying the IP forwarding table to obtain the gateway and the outgoing label information, and forwarding the IP packet; and when the label matching is successful, the executed labeled packet processing operation includes: querying The tag forwarding table acquires the port and the outbound tag information, and forwards the tagged message; the switch includes a border switching router and a label switching router.
  • the SDN controller 11 establishes a label forwarding channel according to the traffic distribution of the entire network, and converts the label forwarding channel into the IP forwarding table and the label forwarding table and sends the label forwarding table to the switch.
  • the label forwarding channel includes a plurality of labels, and each of the label forwarding channels allocates different weights according to different link bandwidth conditions; and the label forwarding channel converts the IP forwarding table and label forwarding Publish features that are forwarded based on weights.
  • the SDN controller 1 establishes a process for the static LSP (the same source and destination packets can use multiple LSPs with different weights), the MPLS label distribution will adopt the local binding mode, and the SDN controller 1 according to the user requirements. , allocate reasonable LSPs and corresponding weights. If the LER processes the IP packet, the controller needs to write the matching field of the flow table according to the destination IP address in the packet, and the action is set to OFPAT_LOOKUP_FIB.
  • the secondary IP forwarding index table is statically configured and delivered based on the destination IP address, mask, LSP weight, gateway, and outgoing label. If the weight of the LSP is n, then there must be n entries of the same gateway and outgoing label in the secondary IP forwarding table. If the LER or LSR processes the label packet, the controller needs to write the matching field of the flow table according to the outer label in the packet, and the action is set to OFPAT_LOOKUP_LFIB.
  • the secondary label forwarding index table is statically configured and delivered based on the inbound port, inbound label, LSP weight, outgoing port, and outgoing label. If the weight of the LSP is n, then there must be n entries of the same outgoing port and outgoing label in the secondary label forwarding table.
  • Step S2 The border switching router is configured to receive the IP forwarding table, a label forwarding table, and a flow table, where the label switching router is configured to receive the label forwarding table and a flow table.
  • step S3 the switch processes the received packet according to the flow table, where the processing of the border switching router includes converting the IP packet entering the MPLS network into a tagged message and leaving the station.
  • the tagged packet of the MPLS network is converted into an IP packet; the processing of the label switching router includes forwarding the tagged packet.
  • the IP packet is processed by the flow table and the IP secondary index table in the LER (Boundary Switch Router 12) to obtain a corresponding label packet message.
  • the label packet message is forwarded by the label table in the MPLS network through the processing of the flow table and the label secondary index table in the LSR (label switching router 13).
  • the label packet packet is forwarded by the LER (Boundary Switch Router 12) flow table and the label secondary index table at the edge of the MPLS network to obtain a corresponding IP packet packet and forwarded.
  • the IP forwarding table is a secondary index table, that is, a secondary IP forwarding index table, and includes a primary IP forwarding table and a secondary IP forwarding table.
  • the primary IP forwarding table includes a destination IP address.
  • the secondary IP forwarding table includes a gateway, an outgoing label, and a next index number
  • the specific implementation of the executed IP packet processing operation includes: when the IP packet matches a primary IP address After forwarding the table, obtaining the secondary table index number, and then obtaining the gateway and the outgoing label and the next index number in the secondary IP forwarding table according to the secondary table index number; the next index number is written back to the first level The secondary table index number of the IP forwarding table.
  • the primary IP forwarding table includes an index of a destination IP, a mask, and a secondary IP forwarding table, where the secondary IP forwarding table includes an index of a gateway, an outgoing label, and a next entry.
  • the secondary IP forwarding table index is obtained, and then the gateway and the outgoing label and the index of the next entry are obtained in the secondary IP forwarding table according to the index.
  • the index of the last next entry will be written back to the index field of the secondary table of the primary IP forwarding table.
  • the index of the next entry of the secondary IP forwarding table is obtained, thereby implementing the weighted MPLS traffic engineering.
  • the label forwarding table is a secondary index table, that is, a secondary label forwarding index table, and includes a primary label forwarding table and a secondary label forwarding table.
  • the first label forwarding table includes an ingress port. The inbound label and the second table index number; the second label forwarding table includes an egress port, an egress label, and a next index number.
  • the specific implementation of the labeled packet processing operation includes: when the labeled packet matches the first level After the label forwarding table is obtained, the secondary table index number is obtained, and then the port and the outgoing label and the next index number are obtained in the secondary label forwarding table according to the secondary table index number; the next index number is written back to The secondary table index number of the primary label forwarding table.
  • the first-level label forwarding table includes an index of an ingress port, an ingress label, and a level label forwarding table.
  • the secondary label forwarding table includes an outbound port, an outgoing label (including a label action), and an index of the next entry. After the tagged packet matches the primary label forwarding table, the secondary table index is obtained, and then the port and the outgoing label and the index of the next entry are obtained in the secondary label forwarding table according to the index. The index of the last next entry will be written back to the index field of the secondary table of the primary label forwarding table. After the next same packet packet matches the first-level label forwarding table, the index of the next entry of the secondary table is obtained, thereby implementing the weighted MPLS traffic engineering.
  • the SDN-based MPLS network control method includes: controller analysis The traffic of the entire network separately generates a multi-link LSP (with weight); according to the LSP, the controller sends a flow table (giving the new action types OFPAT_LOOKUP_FIB and OFPAT_LOOKUP_LFIB) and the secondary index table when receiving the first packet message; On the switch, the IP packet matches the flow table and performs the function of finding the FIB. On the switch, the label message matches the flow table and performs the LFIB action.
  • the SDN-based MPLS network control method includes: the LER receives the packet packet, and determines whether the packet packet is an IP packet, if the packet packet is not For the IP packet, the flow table is queried based on the outer label. When the flow table matches, the action "OFPAT_LOOKUP_LFIB" is executed to query the secondary label forwarding index table, and the outbound and outgoing label information is obtained for forwarding. If the match cannot be made in the flow table, the packet message is sent to the SDN controller for processing. If the packet packet is an IP packet, the flow table is queried based on the destination IP address.
  • the action "OFPAT_LOOKUP_FIB" is performed to query the secondary IP forwarding index table, and the gateway and the outgoing label information are obtained. Forward. If the match cannot be made in the flow table, the packet message is sent to the SDN controller for processing.
  • the SDN-based MPLS network control method includes: the LSR receives the packet packet, and determines whether the packet packet is a label packet message, if the packet packet is If the packets are grouped, the flow table is queried based on the outer label. When the flow table matches, the action "OFPAT_LOOKUP_LFIB" is executed to query the secondary label forwarding index table, and the outbound and outgoing label information is obtained for forwarding. If the match cannot be made in the flow table, the packet message is sent to the SDN controller for processing. If the packet message is not a packet packet, the packet packet is discarded.
  • the SDN-based MPLS network control method includes: when a packet message does not match a switch flow table, sending the packet message to an SDN controller, and the controller determines the packet. If the packet type is an IP packet, if the packet is not an IP packet, the outer label of the packet is written into the flow table according to the weight of the ingress port, the ingress label, and the LSP. The outgoing port and outgoing label are written to the secondary label forwarding index table. If the packet message is an IP packet, the SDN controller determines the switch type of the packet to be forwarded. If the switch type is LER, the flow table is written according to the destination IP of the packet. According to the destination IP, the mask, the weight of the LSP, the gateway and the outgoing label are written into the secondary IP forwarding index table. If the switch type is not LER, the packet message is discarded.
  • the SDN-based MPLS network control system and method of the present invention has the following beneficial effects: the flow table is extended based on SDN, and the centralized control management of the SDN controller facilitates collection and analysis of traffic distribution of the entire network, according to
  • the SDN controller can more accurately establish multiple label forwarding channels (LSPs), and perform proper scheduling of link traffic according to weights, and implement flow table forwarding of weight-based link traffic in a multi-link situation, which can fully utilize the full
  • LSPs label forwarding channels
  • the network's link resources enable better network traffic optimization. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

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Abstract

L'invention concerne un système et un procédé de commande de réseau MPLS basé sur SDN . Le système de commande de réseau MPLS basé sur SDN comprend un contrôleur SDN. Le contrôleur SDN est utilisé pour délivrer une table de transmission d'IP, une table de transmission d'étiquette et une table de flux pour un commutateur. La table de flux est utilisée pour mettre en correspondance un paquet IP en fonction d'une destination IP et un paquet étiquetté en fonction d'une étiquette. Le commutateur comprend un routeur de commutation de bordures et un routeur de commutation d'étiquettes. Le routeur de commutation de bordures est utilisé pour recevoir la table de transmission d'IP, la table de transmission d'étiquettes et la table de flux, et pour traiter un paquet reçu en fonction de la table de flux. Le routeur de commutation d'étiquettes est utilisé pour recevoir la table de transmission d'étiquettes et la table de flux, et pour traiter un paquet reçu en fonction de la table de flux. La solution technique de l'invention permet ainsi d'utiliser pleinement les ressources de liaison de la totalité du réseau afin d'obtenir une meilleure optimisation du trafic de réseau.
PCT/CN2015/089496 2014-12-16 2015-09-14 Système et procédé de commande de réseau mpls basé sur sdn WO2016095574A1 (fr)

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CN104486218B (zh) * 2014-12-16 2017-12-22 上海斐讯数据通信技术有限公司 一种基于sdn的mpls网络控制系统及方法
CN104901890B (zh) * 2015-06-24 2018-01-02 上海斐讯数据通信技术有限公司 一种sdn的路由生成、匹配方法和系统
CN105187307B (zh) * 2015-08-19 2018-07-31 上海斐讯数据通信技术有限公司 基于SDN的MAC-in-MAC报文传输方法及系统
CN105450447B (zh) * 2015-11-17 2018-05-18 上海斐讯数据通信技术有限公司 一种网络系统及网络运行方法
CN106789658B (zh) * 2016-12-29 2019-09-27 南京邮电大学 基于sdn控制器的卫星mpls网络流量均衡方法
CN106936705B (zh) * 2017-03-06 2020-06-02 重庆邮电大学 一种软件定义网络路由选择方法
CN109981753B (zh) * 2019-03-07 2021-04-27 中南大学 一种面向物联网的软件定义的边缘计算的系统及资源分配方法
CN110891020B (zh) * 2019-12-24 2021-07-13 中国电子科技集团公司第五十四研究所 一种sdn带内控制网络的流表数量优化方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1635754A (zh) * 2003-12-26 2005-07-06 上海贝尔阿尔卡特股份有限公司 一种具有快速保护和公平特性的以太网传送设备及方法
CN1764148A (zh) * 2004-10-20 2006-04-26 华为技术有限公司 Mpls环网中实现流量公平传送的方法
CN101155131A (zh) * 2006-09-29 2008-04-02 中国电信股份有限公司 最小化路径抢占代价的标签交换路径建立方法
CN104486218A (zh) * 2014-12-16 2015-04-01 上海斐讯数据通信技术有限公司 一种基于sdn的mpls网络控制系统及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102271079B (zh) * 2010-06-04 2014-11-05 华为技术有限公司 报文转发的方法、节点和系统
CN103095583B (zh) * 2012-11-09 2016-03-16 盛科网络（苏州）有限公司 通过芯片环回实现Openflow两级流表的方法及系统
FI20126275L (fi) * 2012-12-07 2014-06-08 Tellabs Oy Menetelmä ja laitteisto ohjelmallisesti määriteltävän verkon konfiguroimiseksi
CN103973568B (zh) * 2013-02-05 2017-03-08 上海贝尔股份有限公司 用于在mpls核心网上转发sdn流的方法和设备
EP2838231B1 (fr) * 2013-05-15 2017-02-01 NTT DoCoMo, Inc. Système de réseau et contrôleur d'accès et procédé pour faire fonctionner le système de réseau

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1635754A (zh) * 2003-12-26 2005-07-06 上海贝尔阿尔卡特股份有限公司 一种具有快速保护和公平特性的以太网传送设备及方法
CN1764148A (zh) * 2004-10-20 2006-04-26 华为技术有限公司 Mpls环网中实现流量公平传送的方法
CN101155131A (zh) * 2006-09-29 2008-04-02 中国电信股份有限公司 最小化路径抢占代价的标签交换路径建立方法
CN104486218A (zh) * 2014-12-16 2015-04-01 上海斐讯数据通信技术有限公司 一种基于sdn的mpls网络控制系统及方法

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