[go: up one dir, main page]

WO2009031848A2 - Procédé de gestion de la qos pour réseau ethernet de la prochaine génération (ngn) - Google Patents

Procédé de gestion de la qos pour réseau ethernet de la prochaine génération (ngn) Download PDF

Info

Publication number
WO2009031848A2
WO2009031848A2 PCT/KR2008/005250 KR2008005250W WO2009031848A2 WO 2009031848 A2 WO2009031848 A2 WO 2009031848A2 KR 2008005250 W KR2008005250 W KR 2008005250W WO 2009031848 A2 WO2009031848 A2 WO 2009031848A2
Authority
WO
WIPO (PCT)
Prior art keywords
ethernet
frames
management method
service
qos
Prior art date
Application number
PCT/KR2008/005250
Other languages
English (en)
Other versions
WO2009031848A3 (fr
Inventor
Ji-Wook Youn
Byungjun Ahn
Kyeong-Ho Lee
Hae-Won Jung
Original Assignee
Electronics And Telecommunications Research Institute
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
Priority claimed from KR1020080084749A external-priority patent/KR100964190B1/ko
Application filed by Electronics And Telecommunications Research Institute filed Critical Electronics And Telecommunications Research Institute
Priority to US12/676,695 priority Critical patent/US20100254406A1/en
Priority to CN200880115015.5A priority patent/CN101849388B/zh
Publication of WO2009031848A2 publication Critical patent/WO2009031848A2/fr
Publication of WO2009031848A3 publication Critical patent/WO2009031848A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • 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
    • H04L47/13—Flow control; Congestion control in a LAN segment, e.g. ring or bus
    • 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
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
    • H04L47/2433—Allocation of priorities to traffic types
    • 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
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2441—Traffic characterised by specific attributes, e.g. priority or QoS relying on flow classification, e.g. using integrated services [IntServ]

Definitions

  • the present invention relates to an Ethernet transport network for transmitting Ethernet frames, and more particularly, to a quality of service (QoS) management method in an Ethernet-based next generation network (NGN).
  • QoS quality of service
  • the present invention is derived from a research project supported by the Information Technology (IT) Research & Development (R&D) program of the Ministry of Knowledge Economy (MKE) and the Institute for Information Technology Advancement (MTA) [2006-S-061-02, Development of Technology on an IPv ⁇ -based QoS service and a terminal mobility supporting router].
  • IT Information Technology
  • R&D Research & Development
  • MKE Ministry of Knowledge Economy
  • MTA Institute for Information Technology Advancement
  • bandwidths are allocated and managed based on end customers of a virtual private network (VPN), or are differently allocated and managed according to virtual tunnels or priorities of virtual local area network (VLAN) tags.
  • VPN virtual private network
  • VLAN virtual local area network
  • bandwidth allocation and quality of service (QoS) management may not be separately performed and, ultimately, the bandwidths are allocated based on priorities of Ethernet frames. Since a conventional bandwidth allocation method allocates the bandwidths based on the priorities of the Ethernet frames, sufficient QoS may not be provided.
  • FIG. 1 is a diagram for describing a conventional bandwidth allocation method in an Ethernet transport network.
  • the conventional bandwidth allocation method of FIG. 1 is a method defined in "Ethernet Services Attributes Phase 2", Metro Ethernet Forum (MEF) 10.1.
  • a user-network interface is an interface between end-customers and a network and includes a plurality of Ethernet virtual connections (EVCs).
  • EECs Ethernet virtual connections
  • bandwidths are allocated based on a network interface, the EVCs of the network, or classes of service (CoSs) of Ethernet frames included in each EVC.
  • CoSs classes of service
  • FIG. 1 is a diagram for describing a conventional bandwidth allocation method in an Ethernet transport network
  • FIG. 2 is a block diagram of a connection-oriented Ethernet transport network according to an embodiment of the present invention
  • FIG. 3 is a flowchart illustrating a method of transmitting Ethernet frames through the connection-oriented Ethernet transport network illustrated in FIG. 2, according to an embodiment of the present invention
  • FIG. 4 is a diagram for describing a quality of service (QoS) management method in an Ethernet-based next generation network (NGN), according to an embodiment of the present invention
  • FIG. 5 is a diagram for describing a QoS management method in an Ethernet-based NGN, according to another embodiment of the present invention.
  • FIG. 6 is a flowchart illustrating a bandwidth allocation method, according to an embodiment of the present invention.
  • the present invention provides a method of efficiently utilizing an Ethernet-based next generation network (NGN), and providing different bandwidths and different qualities of service (QoSs) to Ethernet frames.
  • NTN next generation network
  • QoSs qualities of service
  • NTN next generation network
  • EVCs Ethernet virtual connections
  • NTN Ethernet-based next generation network
  • EVCs Ethernet virtual connections
  • a quality of service (QoS) management method in an Ethernet-based next generation network including a plurality of Ethernet virtual connections (EVCs) between network interfaces having a plurality of classes of service (CoSs), the QoS management method including providing the same priority to frames that belong to a single CoS; and allocating a bandwidth to each of the frames based on the EVCs.
  • NTN Ethernet-based next generation network
  • EVCs Ethernet virtual connections
  • CoSs classes of service
  • bandwidths and different QoSs may be simultaneously provided to the Ethernet frames by sorting the Ethernet frames based on Ethernet flows and allocating bandwidths to the Ethernet frames.
  • bandwidths may be efficiently allocated to Ethernet frames when the Ethernet frames are transmitted through EVCs in an Ethernet transport network.
  • the Ethernet frames to which the bandwidths are allocated may be differently controlled according to a policy of an operator and thus different QoSs may be provided to the Ethernet frames.
  • FIG. 2 is a block diagram of a connection-oriented Ethernet transport network 230 according to an embodiment of the present invention.
  • end-customers compose different virtual private networks (VPNs).
  • the first and third end-customers 200 and 204 compose the VPN A
  • the second and fourth end-customers 202 and 206 compose the VPN B.
  • the VPNs A and B formed by the first through fourth end-customers 200, 202, 204, and 206 are connected to the connection-oriented Ethernet transport network 230 through first and second transport network interfaces 210 and 212. That is, the first transport network interface 210 sorts Ethernet frames input from an access network including the VPNs A and B, according to Ethernet flows, allocates bandwidths and qualities of service (QoSs) to the Ethernet frames, and transmits the Ethernet frames through the connection-oriented Ethernet transport network 230.
  • QoSs quality of service
  • FIG. 3 is a flowchart illustrating a method of transmitting Ethernet frames through the connection-oriented Ethernet transport network 230 illustrated in FIG. 2, according to an embodiment of the present invention.
  • the first through fourth end-customers 200, 202, 204, and 206 included in an access network of the VPNs A and B access the connection-oriented Ethernet transport network 230 through the first and second transport network interfaces 210 and 212, and the first and second transport network interfaces 210 and 212 receive Ethernet frames from the first through fourth end-customers 200, 202, 204, and 206 of the access network, in operation S300.
  • the first and second transport network interfaces 210 and 212 analyze the Ethernet frames, in operation S310.
  • information used to analyze the Ethernet frames includes end-customer interface (physical optical interface) information, service types, header information of the Ethernet frames (Layer 2 information), virtual local area network (VLAN) tag information, and Layer 3 (L3) information. If necessary, information on a Layer 4 (L4) or an upper layer of the L4 may be used.
  • the first and second transport network interfaces 210 and 212 sort the Ethernet frames according to a service level agreement (SLA) previously agreed by service providers and end-customers, in operation S320.
  • SLA service level agreement
  • the first and second transport network interfaces 210 and 212 generate Ethernet flows based on the SLA and analysis information of the Ethernet frames, in operation S330.
  • the Ethernet flows are generated according to the SLA.
  • the Ethernet flows may be generated according to the L2 information including destination and source addresses of the Ethernet frames, the end-customer physical optical interface information, the VLAN tag information, the service types, or the priority included in the L3 information.
  • the first and second transport network interfaces 210 and 212 allocate bandwidths based on the Ethernet flows, in operation S340. Also, the first and second transport network interfaces 210 and 212 set a QoS of each Ethernet frame based on the VLAN tag information, the service types, or the priority information included in the L3 information, in operation S350. The first and second transport network interfaces 210 and 212 set the QoS of an untagged Ethernet frame not having a VLAN tag, by using the L2 header information or an additional SLA. The first and second transport network interfaces 210 and 212 control and transmit the Ethernet frames through the connection-oriented Ethernet transport network 230, according to the QoS of each Ethernet frame, in operation S360.
  • FIGS. 2 and 3 are described with regard to a connection-oriented Ethernet transport network, FIGS. 2 and 3 may also be applied to other Ethernet-based next generation networks (NGNs).
  • NTNs next generation networks
  • FIG. 4 is a diagram for describing a QoS management method in an Ethernet-based NGN, according to an embodiment of the present invention.
  • Bandwidth allocation and QoS management may be separately performed using the QoS management method described with reference to FIG. 4 according to the current embodiment of the present invention, while bandwidth allocation and QoS management may not be separately performed using the conventional bandwidth allocation method.
  • bandwidths may be allocated based on a transport network interface, Ethernet virtual connections (EVCs), or Ethernet flows.
  • EMCs Ethernet virtual connections
  • Ethernet flows may be defined based on a class of service (CoS) of each Ethernet frame, or regardless of the CoS.
  • CoS class of service
  • Ethernet flows are defined regardless of CoSs, all Ethernet frames included in an EVC have the same CoS and may have different bandwidths according to the Ethernet flows.
  • the Ethernet flows are generated based on an SLA between service providers and end-customers, physical ports of the end-customers, L2 information (media access control (MAC) address information and VLAN tag information), service types, or L3 information (Internet protocol (IP) address information).
  • MAC media access control
  • IP Internet protocol
  • the Ethernet flows are defined based on the CoSs, the Ethernet flows have different QoSs from each other.
  • a single Ethernet flow may include Ethernet frames having different CoSs from each other.
  • the Ethernet frames transmitted through an EVC may be one of the following four types. 1. All Ethernet frames included in an EVC have the same bandwidth and the same priority.
  • Ethernet frames included in an EVC have the same bandwidth. However, the Ethernet frames have different priorities based on QoSs. 3. Ethernet frames included in an EVC have different bandwidths. However, all Ethernet frames included in the same EVC have the same priority.
  • FIG. 5 is a diagram for describing a QoS management method in an EVC
  • Ethernet-based NGN Ethernet-based NGN, according to another embodiment of the present invention.
  • a transport network interface may be an Ethernet user-network interface (E-UNI) or an Ethernet network-network interface (E-NNI).
  • the E-UNI is the interface using an Ethernet frame structure between an Ethernet network and end-customers
  • the E-NNI is the interface using the Ethernet frame structure between network providers.
  • a plurality of EVCs exists between the transport network interfaces. Bandwidths may be allocated based on the E-UNI / E-NNI, the EVCs, QoSs, or Ethernet flows generated according to the physical ports, service types and L2 / L3 header information.
  • CoSs each of the EVCs, the E-UNI, and the E-NNI may have four types as described below.
  • the EVCs may be one of the following four types.
  • a single CoS EVC all frames that belong to an EVC are treated in the same way and are transported with equal bandwidth profile.
  • a single CoS EVC with multiple bandwidth profiles frames that belong to an EVC are treated in the same way with same priority, but are transported with different bandwidth profile.
  • a multiple CoS EVC with single bandwidth profile frames may be treated differently according to their CoSs, but all frames are transported with equal bandwidth profile.
  • a multiple CoS EVC with multiple bandwidth profile frames are treated differently according to their CoSs, and frames are transported with CoS-designated bandwidth profile.
  • input frames from the E-UNI are untagged frames that have the same priority, whereas bandwidth profile can be assigned based on physical ports, service types, or L2 / L3 information.
  • the E-UNI may be one of the following four types.
  • a single CoS E-UNI all frames belonging to the E-UNI are treated in the same way and are subjected to the same bandwidth profile.
  • a single CoS E-UNI with multiple bandwidth profile frames that belong to an E-UNI are treated in the same way with same priority, but are transported with different bandwidth profile per EVC.
  • a multiple CoS E-UNI with a single bandwidth profile frames may be treated differently according to their CoSs, but all frames are subjected to the same bandwidth profile.
  • a multiple CoS E-UNI with multiple bandwidth profile frames are treated differently according to their CoSs, and frames belonging to a particular EVC are subjected to a single bandwidth.
  • the E-NNI may be one of the following four types.
  • a single CoS E-NNI all frames belonging to the E-NNI are treated in the same way and are subjected to the same bandwidth profile.
  • a single CoS E-NNI with multiple bandwidth profiles frames that belong to an E-NNI are treated in the same way with same priority, but are transported with different bandwidth profile per EVC.
  • a multiple CoS E-NNI with single bandwidth profile frames may be treated differently according to their CoSs, but all frames are subjected to the same bandwidth profile.
  • a multiple CoS E-NNI with multiple bandwidth profiles frames are treated differently according to their CoSs, and frames belonging to a particular EVC are subjected to a single bandwidth.
  • FIG. 6 is a flowchart illustrating a bandwidth allocation method, according to an embodiment of the present invention.
  • a transport network interface receives Ethernet frames from a plurality of end-customers, in operation S600, and analyzes L2 header information of the Ethernet frames, in operation S605.
  • the transport network interface analyzes CoS information so as to obtain priority information of the Ethernet frames in S615.
  • the transport network interface determines whether the Ethernet frames input from the end-customers correspond to an SLA, in operation S620, Ethernet frames not corresponding to the SLA are discarded, in operation S645. Ethernet frames corresponding to the SLA are sorted by using the SLA.
  • the transport network interface analyzes service types and L3 header information of the sorted Ethernet frames, in operation S625.
  • the transport network interface generates Ethernet flows of the sorted Ethernet frames by using end-customer physical optical interface information, the L2 header information, VLAN tag information, service types, and the L3 information, so as to input the Ethernet frames into corresponding Ethernet flows, in operation S630.
  • the transport network interface allocates bandwidths based on the Ethernet flows, in operation S635, and allocates new QoSs to be used in an Ethernet transport network, to the Ethernet frames that are sorted based on the Ethernet flows, in operation S640.
  • the QoSs are allocated based on the Ethernet frames and Ethernet frames in the same Ethernet flow may have different QoSs from each other.
  • the present invention can also be embodied as computer readable codes on a computer readable recording medium.
  • the computer readable recording medium is any data storage device that can store data which can be thereafter read by a computer system. Examples of the computer readable recording medium include read-only memory (ROM), random-access memory (RAM), CD-ROMs, magnetic tapes, floppy disks, and optical data storage devices.
  • ROM read-only memory
  • RAM random-access memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de gestion de la qualité de service (QoS) dans un réseau Ethernet de la prochaine génération(NGN) comprenant plusieurs connexions Ethernet virtuelles (EVC). Une largeur de bande est attribuée à chacune des trames sur la base des catégories de service (CoS), des ports physiques, des types de service et des données couche 2 (L2) / couche 3 (L3).
PCT/KR2008/005250 2007-09-06 2008-09-05 Procédé de gestion de la qos pour réseau ethernet de la prochaine génération (ngn) WO2009031848A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/676,695 US20100254406A1 (en) 2007-09-06 2008-09-05 Qos management method for an ethernet based ngn
CN200880115015.5A CN101849388B (zh) 2007-09-06 2008-09-05 用于基于以太网的下一代网络的服务质量管理方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20070090550 2007-09-06
KR10-2007-0090550 2007-09-06
KR1020080084749A KR100964190B1 (ko) 2007-09-06 2008-08-28 이더넷 기반 차세대 망에서의 서비스 품질 관리 방법
KR10-2008-0084749 2008-08-28

Publications (2)

Publication Number Publication Date
WO2009031848A2 true WO2009031848A2 (fr) 2009-03-12
WO2009031848A3 WO2009031848A3 (fr) 2009-05-07

Family

ID=40429553

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/005250 WO2009031848A2 (fr) 2007-09-06 2008-09-05 Procédé de gestion de la qos pour réseau ethernet de la prochaine génération (ngn)

Country Status (1)

Country Link
WO (1) WO2009031848A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110135302A1 (en) * 2009-12-07 2011-06-09 Electronics And Telecommunications Research Institute Apparatus and method for packet-optical integrated transport
KR101394577B1 (ko) * 2009-12-07 2014-05-13 한국전자통신연구원 패킷-광 통합 전송 장치 및 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100531191C (zh) * 2004-09-06 2009-08-19 华为技术有限公司 Ngn网络传送层业务实现方法和系统
KR20070005891A (ko) * 2006-11-30 2007-01-10 신승훈 불을 붙이는 도구 없이도 필수 있는 담배

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110135302A1 (en) * 2009-12-07 2011-06-09 Electronics And Telecommunications Research Institute Apparatus and method for packet-optical integrated transport
KR101394577B1 (ko) * 2009-12-07 2014-05-13 한국전자통신연구원 패킷-광 통합 전송 장치 및 방법
US8837942B2 (en) * 2009-12-07 2014-09-16 Electronics And Telecommunications Research Institute Apparatus and method for packet-optical integrated transport

Also Published As

Publication number Publication date
WO2009031848A3 (fr) 2009-05-07

Similar Documents

Publication Publication Date Title
US20100254406A1 (en) Qos management method for an ethernet based ngn
US7764688B2 (en) Ethernet differentiated services
US8130661B2 (en) Systems and methods for intelligent probe testing
US7185073B1 (en) Method and apparatus for defining and implementing high-level quality of service policies in computer networks
US9215093B2 (en) Encoding packets for transport over SDN networks
US9344348B2 (en) Managing the quality of service levels (QoS) of network traffic
CA2441271C (fr) Tunnellisation reseau
CN101960799B (zh) 应用认知mpls隧道选择
US20140219096A1 (en) Ethernet lan service enhancements
EP1811728B1 (fr) Procédé, système et dispositif de gestion de trafic dans un réseau de commutation d'étiquette à protocoles multiples
EP1804439A1 (fr) Fourniture de services sur des réseaux hybrides
KR101458779B1 (ko) 콘텐트 기반 브리징을 지원하기 위한 이더넷 네트워크에 대한 콘텐트 기반 ｖｌａｎ 분류 및 프레임워크
CN101237376A (zh) 一种虚拟专用网的标签获取方法和自主系统边界路由设备
US20050120089A1 (en) Apparatus and method of designating virtual sites using policy informations in multiprotocol label switching networks
WO2009031848A2 (fr) Procédé de gestion de la qos pour réseau ethernet de la prochaine génération (ngn)
EP1705839A1 (fr) Services de bande passante garantie de bout en bout dans des réseaux pontés
Brittain et al. MPLS virtual private networks
EP1683301B1 (fr) Systèmes et procédés de test par sonde intelligente
Farrel et al. MPLS VIRTUAL PRIVATE NETWORKS
Li Design, implementation and performance evaluation of MPLS layer 2 Martini VPN
Riabov Gigabit Ethernet, QoS, and Multimedia Applications.
Hernandez-Valencia Ethernet-Based Services for Next Generation Networks
KR20030031032A (ko) 멀티 프로토콜 레이블 교환망에서 가상 사설망 서비스제공자를 위한 레이블 값 생성 방법
MXPA05011579A (en) Source identifier for mac address learning

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880115015.5

Country of ref document: CN

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

Ref document number: 08793713

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 12676695

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08793713

Country of ref document: EP

Kind code of ref document: A2