WO2006059040A1 - Procede et systeme d'adaptation dynamique de metrique de qualite de service dans un reseau ad hoc - Google Patents
Procede et systeme d'adaptation dynamique de metrique de qualite de service dans un reseau ad hoc Download PDFInfo
- Publication number
- WO2006059040A1 WO2006059040A1 PCT/FR2005/051010 FR2005051010W WO2006059040A1 WO 2006059040 A1 WO2006059040 A1 WO 2006059040A1 FR 2005051010 W FR2005051010 W FR 2005051010W WO 2006059040 A1 WO2006059040 A1 WO 2006059040A1
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- WIPO (PCT)
- Prior art keywords
- quality
- network
- service
- metric
- routing
- Prior art date
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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
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- 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
- H04L45/302—Route determination based on requested QoS
-
- 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
- H04L45/56—Routing software
- H04L45/566—Routing instructions carried by the data packet, e.g. active networks
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/021—Traffic management, e.g. flow control or congestion control in wireless networks with changing topologies, e.g. ad-hoc networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/248—Connectivity information update
Definitions
- Ad hoc networks are communication networks, using the radio medium. They consist of mobile and / or fixed nodes having the property of constituting automatically and dynamically a network capable of conveying packets from one point of the network to another when a radio communication is established between a node and his neighbors.
- the path selection component 20 also comprises a quality of service metrics management module 22 associated with the path calculation algorithm.
- metrics are the metrics of delay, bandwidth, jitter, etc.
- Information about QoS metrics is injected into the topology graph. A new graph enriched by this quality of service information is therefore reconstructed and the computation of the paths is done taking these metrics into account.
- the invention also relates to a computer program or software module for storage in or transmitted by a data carrier comprising software instructions for executing the method by a computing device.
- the data carrier may be a hardware storage medium, for example a CD-ROM, a magnetic diskette or a hard disk, or a transmissible medium such as an electrical signal, optical or radio.
- the invention also relates to a system for dynamic management of the quality of service metric in an ad hoc network, the system comprising a plurality of nodes for forming a routing infrastructure for the routing of data packets, characterized in that it further comprises a network manager for determining the quality of service metrics to be applied at a given time based on the quality of service available on the network and the quality of service requested by one or more applications, and means to broadcast the quality of service metric to be applied to the nodes of the network and that each node includes a metrics manager for updating the routing table of the nodes according to the quality of service quality metric to be applied received.
- FIG. 3 illustrates an example of an ad hoc network topology used to test the method of the invention
- the present invention is intended to allow the extemalization of the management of quality of service metrics to the routing protocol in an ad hoc network and, moreover, the determination, the diffusion and the taking into account of any type of quality of service metrics.
- the invention proposes a technical solution that implements two main components, one at the network level (network manager) and the other at the node level (metric manager), as well as an extension of the Routing protocol control packets.
- the invention uses and adapts (ie addition of extension) a proactive routing protocol and in particular one of the most well-known proactive routing protocols; the OLSR protocol.
- This protocol is notably referenced and described under the name OLSR RFC3626 (Request for Comments) (see in particular the "Optimized Link State Routing Protocol (OLSR)", Network Working Group, T. Clausen et al., October 2003) of the Manet Working Group (for Mobile Ad hoc Networks) of the Internet Engineering Task Force (FIET).
- OLSR Optimized Link State Routing Protocol
- FIET Internet Engineering Task Force
- generic control messages are used to carry any quality of service metrics as well as a processing function which constructs at each node a graph on the network topology; each element of the graph is represented by an n-tuplet of the form ⁇ source-address, destination-addresses, metric, metric2, ..., metric N>.
- This topology will be used later by the route calculation. Broadcasting any quality of service metrics to network nodes is done through such messages.
- a metric manager specific to the invention is connected to the routing protocol. More specifically, as illustrated in FIG. 2, a node 100 comprises a first layer 110 which, in a known manner, corresponds to the layer of the routing protocol 110 which notably uses a routing table 1121 and a path calculation module or algorithm 1122.
- the routing table 1121 is maintained (ie updated) locally in each node using the path calculation module 1122. It is the routing table that gives the address of the neighboring node to which it must be transmitted. the packets or the frame so that they reach their destination according to the defined quality of service metrics.
- a metric manager 111 is added to the layer 110 which transmits the metric (or the combination of metrics) to be applied to the network to the routing protocol 112.
- the path calculation is then carried out from this metric using a path search algorithm in a graph, such as, for example, the Dijkstra algorithm where the values (or weights) associated with the edges are then given by the values of the metrics selected.
- the metric manager is a component distributed to all nodes of the network. It implements, at the node level, the quality of service metric chosen by the network manager. For this purpose, the metric manager installs into a layer 120 the components 121 necessary for the insertion of the quality of service metric in the path calculation process.
- the metric manager 111 also makes it possible to indicate the existence of the external computation modules of path 131 to the routing protocol 112. The routing protocol can thus transfer to the external modules of path calculation a topological view of the network containing the metrics on which will carry the specific path calculation to the plugin.
- the routing protocol periodically sends a topology view to the modules concerned.
- quality of service metrics components which can be dynamically deployed or deployed on each node as it enters the network, are used by the metrics manager to adapt the value of the instantaneous metric for the direct neighborhood.
- the system of the invention comprises means for determining the quality of service metric (s) that must be taken into account by the nodes for the routing.
- the network manager 200 is an entity that can be integrated with one or more nodes of the network, or be implemented in a specific mobile or wired terminal having a connection to the network.
- a network manager 200 includes a quality of service metrics determination module 210 in connection with a supervision module 220 whose function is to supervise the state of the resources of the network vis-à-vis events that occur (disappearance / occurrence node, decrease / increase bandwidth capacity, power, etc.) and resources required by current applications.
- a supervision module 220 whose function is to supervise the state of the resources of the network vis-à-vis events that occur (disappearance / occurrence node, decrease / increase bandwidth capacity, power, etc.) and resources required by current applications.
- any new application must register with the network manager with its QoS requirement (eg an IP voice application registers with a maximum delay of 250 msec).
- the manager thus has a vision on all the application requirements.
- the information concerning the state of the network resources is reported to the module 220 through probes installed at each node (i.e. each user terminal).
- An information exchange rule base can be defined at the supervision module level to enable it to process the events being reported.
- the QoS metrics decision once taken, will be communicated by the network manager to the metrics managers of all nodes in the network for implementation.
- an exchange protocol ensuring the transmission of configuration orders from the network manager to the metric manager is defined. This exchange is done through mechanisms of reliable and atomic transmission. This protocol includes the following functions:
- - DeployerMetriqueQoS (metric): it makes it possible to deploy a quality of service (QoS) metrics given on the network, namely the modules of calculation and insertion at the level of the control packets.
- QoS quality of service
- tolerance thresholds can be fixed at the level of the nodes of the network (minimum energy level, level maximum charge, etc.).
- the existing routing protocol 112 uses the module path calculation 131 instead of its internal module 1122.
- the routing protocol 112 transmits to the module 131 the topology graph enriched by the quality of service information provided by the metrics calculation module 132 at each node.
- Applications must be modified to take into account this new module, which can be either specific to each application or shared by several applications.
- the module is transparent to the application since the result of the calculation of metrics is reinjected into the routing protocol with which the application communicates. In both cases, this new route calculation does not impose or very little modification on the initial routing protocol.
- this plug-in is re-programmable at any time, which allows it to integrate new metrics dynamically on initiative of the metrics manager. External management of service quality and calculation metrics is achieved. path. This makes it possible to manage the routing topology with QoS metrics at the application level so that they can apply the most optimal path calculation to their service quality requirements.
- FIG. 2 the interactions between the components of FIG. 2 are first described by a fictitious example.
- a second example is then described which illustrates a possible implementation of the present invention.
- FIG. 3 presents an example of an ad hoc network topology with a configuration that makes it possible to show the limitations of the current solutions based on fixed metrics and the advantages of the invention in terms of dynamic adaptation to changes in quality of service conditions in the network environment (network state and applications).
- the network illustrated in FIG. 3 presents an example of an ad hoc network topology with a configuration that makes it possible to show the limitations of the current solutions based on fixed metrics and the advantages of the invention in terms of dynamic adaptation to changes in quality of service conditions in the network environment (network state and applications).
- 3 comprises seven nodes formed by seven terminals of two types: three high-capacity terminals (PC computers) Tm, T H2 and T H3 , on the one hand, forming a first route R1 and on the other hand , four terminals with low capacity (PDA assistant) Ts, TFi, TF 2 , T D , terminals TFi and TF 2 forming a second route R2 between a source node and a destination node respectively formed by the terminals T s and T 0 .
- PC computers three high-capacity terminals (PC computers) Tm, T H2 and T H3 , on the one hand, forming a first route R1 and on the other hand , four terminals with low capacity (PDA assistant) Ts, TFi, TF 2 , T D , terminals TFi and TF 2 forming a second route R2 between a source node and a destination node respectively formed by the terminals T s and T 0 .
- PDA assistant terminals with low capacity
- This data makes it possible to choose the metric to be applied in the network according to the rules defined in the network manager. Depending on the decision, the data will be routed either via route Rl (metric delay) or route R2 (metric bandwidth).
- the following table shows the behavior of the approach according to the invention. Specifically, it describes the metrics to be applied in the network based on events that arise in the network.
- the application of the bandwidth metric makes it possible to obtain good performance at the bandwidth level, to the detriment of the delay which increases very significantly. This is advantageous for applications that require significant bandwidth, however time-sensitive applications are heavily penalized.
- the delay metric the delay is lower but the bandwidth is lower than that obtained with the metric of the bandwidth.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005800414434A CN101069392B (zh) | 2004-12-01 | 2005-11-30 | 在ad hoc网络中用于动态适配服务质量标准的方法和系统 |
US11/792,016 US20090122748A1 (en) | 2004-12-01 | 2005-11-30 | Method and System for the Dynamic Adaptation of Service Quality Metrics in an Adhoc Network |
EP05818916A EP1817880A1 (fr) | 2004-12-01 | 2005-11-30 | Procede et systeme d'adaptation dynamique de metrique de qualite de service dans un reseau ad hoc |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0412733A FR2878674A1 (fr) | 2004-12-01 | 2004-12-01 | Procede et systeme d'adaptation dynamique de metrique de qualite de service dans un reseau ad hoc |
FR0412733 | 2004-12-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006059040A1 true WO2006059040A1 (fr) | 2006-06-08 |
Family
ID=34952869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2005/051010 WO2006059040A1 (fr) | 2004-12-01 | 2005-11-30 | Procede et systeme d'adaptation dynamique de metrique de qualite de service dans un reseau ad hoc |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090122748A1 (fr) |
EP (1) | EP1817880A1 (fr) |
CN (1) | CN101069392B (fr) |
FR (1) | FR2878674A1 (fr) |
WO (1) | WO2006059040A1 (fr) |
Families Citing this family (19)
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FR2883440B1 (fr) * | 2005-03-16 | 2007-05-25 | Eastman Kodak Co | Procede et equipement pour la transmission de donnees par reseau ad hoc |
US8218512B2 (en) * | 2006-06-14 | 2012-07-10 | Toshiba America Research, Inc. | Distribution of session keys to the selected multiple access points based on geo-location of APs |
US8015280B2 (en) * | 2007-10-01 | 2011-09-06 | Ebay Inc. | Method and system for intelligent feature degradation in response to a network deficiency detection |
JP4941397B2 (ja) * | 2008-04-22 | 2012-05-30 | 富士通株式会社 | 経路情報中継方法および無線端末 |
EP2178038A1 (fr) * | 2008-08-12 | 2010-04-21 | Thomson Licensing | Procédé et dispositif pour la gestion d'informations de type social et pour le transfert opportuniste |
EP2464060B1 (fr) * | 2009-07-27 | 2016-05-04 | Fujitsu Limited | Dispositif de n ud, support de stockage et procédé de transmission de trame |
FR2954028B1 (fr) * | 2009-12-11 | 2012-01-20 | Univ Paris Sud 11 | Procede de routage qualitatif dans un reseau de communication multi sauts, equipement de gestion de noeud de reseau |
ES2424859T3 (es) * | 2010-04-09 | 2013-10-09 | Nec Europe Ltd. | Encaminamiento teniendo en cuenta la eficiencia energética |
US9084111B2 (en) * | 2012-02-07 | 2015-07-14 | Aruba Networks, Inc. | System and method for determining leveled security key holder |
US9350635B2 (en) * | 2013-07-18 | 2016-05-24 | Cisco Technology, Inc. | Efficient network probing for deterministic wireless networks |
US9461923B2 (en) * | 2013-12-06 | 2016-10-04 | Algoblu Holdings Limited | Performance-based routing in software-defined network (SDN) |
US9365951B2 (en) | 2014-01-30 | 2016-06-14 | Kimberly-Clark Worldwide, Inc. | Negative polarity on the nanofiber line |
US11539611B2 (en) * | 2014-05-08 | 2022-12-27 | Microsoft Technology Licensing, Llc | Fine-grained network monitoring |
FR3026910B1 (fr) | 2014-10-07 | 2016-12-09 | Sagem Defense Securite | Procede d'autorisation de demandes de transmission. |
CN107544789B (zh) * | 2016-06-23 | 2021-06-15 | 中兴通讯股份有限公司 | 一种拓扑适配方法和装置 |
EP3528196A1 (fr) * | 2018-02-16 | 2019-08-21 | Accenture Global Solutions Limited | Génération de contenu dynamique |
CN108184246B (zh) * | 2018-03-06 | 2021-05-28 | 中国船舶重工集团公司第七二四研究所 | 基于位置和服务质量的移动自组织网络路由优化方法 |
CA3107919A1 (fr) | 2018-07-27 | 2020-01-30 | GoTenna, Inc. | Routage de paquets a commande nulle vine a l'aide d'une inspection de p aquets de donnees pour des reseaux mailles sans fil |
CN113891399B (zh) * | 2021-10-13 | 2023-08-01 | 北京慧清科技有限公司 | 一种面向负载均衡的多径加权调度olsr路由方法 |
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- 2004-12-01 FR FR0412733A patent/FR2878674A1/fr active Pending
-
2005
- 2005-11-30 WO PCT/FR2005/051010 patent/WO2006059040A1/fr active Application Filing
- 2005-11-30 EP EP05818916A patent/EP1817880A1/fr not_active Withdrawn
- 2005-11-30 US US11/792,016 patent/US20090122748A1/en not_active Abandoned
- 2005-11-30 CN CN2005800414434A patent/CN101069392B/zh not_active Expired - Fee Related
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See also references of EP1817880A1 |
Also Published As
Publication number | Publication date |
---|---|
FR2878674A1 (fr) | 2006-06-02 |
EP1817880A1 (fr) | 2007-08-15 |
CN101069392B (zh) | 2012-08-15 |
CN101069392A (zh) | 2007-11-07 |
US20090122748A1 (en) | 2009-05-14 |
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