WO2015196961A1 - 一种为业务报文提供服务质量QoS的装置、系统和方法 - Google Patents

一种为业务报文提供服务质量QoS的装置、系统和方法 Download PDF

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Publication number
WO2015196961A1
WO2015196961A1 PCT/CN2015/082067 CN2015082067W WO2015196961A1 WO 2015196961 A1 WO2015196961 A1 WO 2015196961A1 CN 2015082067 W CN2015082067 W CN 2015082067W WO 2015196961 A1 WO2015196961 A1 WO 2015196961A1
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WIPO (PCT)
Prior art keywords
qos
network
network device
address segment
service
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PCT/CN2015/082067
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English (en)
French (fr)
Inventor
张璐
胡寅亮
魏启坤
瑞欧弗
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华为技术有限公司
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Priority to EP15810981.9A priority Critical patent/EP3154229B1/en
Publication of WO2015196961A1 publication Critical patent/WO2015196961A1/zh

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    • 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
    • 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
    • H04L47/2408—Traffic characterised by specific attributes, e.g. priority or QoS for supporting different services, e.g. a differentiated services [DiffServ] type of service
    • 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
    • H04L47/2483—Traffic characterised by specific attributes, e.g. priority or QoS involving identification of individual flows

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an apparatus, system, and method for providing quality of service QoS for service messages.
  • an embodiment of the present invention provides an apparatus, system, and method for providing a quality of service QoS for a service message.
  • a network device is provided at an egress gateway of an enterprise network, including:
  • a receiving module configured to receive a correspondence between an Internet Protocol IP address segment and a quality of service QoS token sent by a network device of the operator network, where the IP address segment is an IP address segment corresponding to a virtual local area network VLAN in the enterprise network,
  • the QoS marking is a QoS marking that is allocated to the IP address segment by the network device of the operator network according to a pre-configured QoS policy, where the QoS policy includes a correspondence between the IP address segment and the QoS marking, And a correspondence between the QoS marking and the QoS requirement;
  • the receiving module is further configured to receive a service packet sent by a host in the VLAN to the carrier network, where a source IP address of the service packet belongs to the IP address segment;
  • the QoS marking comprises one of an 802.1P tag, a differential service code point DSCP tag, and a service type ToS tag.
  • the processing module is further configured to add an enterprise VLAN tag to the service packet.
  • a network device located in a carrier network, including:
  • the obtaining module is configured to obtain an IP address segment corresponding to a virtual local area network VLAN in the enterprise network;
  • An allocating module configured to allocate a QoS flag to the IP address segment according to a pre-configured QoS policy, where the QoS policy includes a correspondence between the IP address segment and the QoS tag, and a correspondence between the QoS tag and a QoS requirement relationship;
  • a sending module configured to send a correspondence between the IP address segment and the QoS marking to a network device located at an egress gateway of the enterprise network;
  • the sending module is further configured to send the correspondence between the QoS marking and the QoS requirement to the access device of the enterprise network to access the enterprise network.
  • the QoS marking comprises one of an 802.1P tag, a differential service code point DSCP tag, and a service type ToS tag.
  • the acquiring module is specifically configured to obtain, in the enterprise network, from a dynamic host configuration protocol DHCP server.
  • An IP address segment corresponding to the virtual local area network (VLAN), the DHCP server is built in the network device located at the egress gateway of the enterprise network, or the network device located in the carrier network, or an independent DHCP server.
  • An IP address segment corresponding to a VLAN in the enterprise network is configured on the DHCP server.
  • a network device is provided, where the network device is an access device of an enterprise network access carrier network, and includes:
  • a receiving module configured to receive a correspondence between a QoS mark sent by a network device of the carrier network and a QoS requirement, where the QoS mark is that the network device located in the carrier network according to a pre-configured QoS policy a QoS flag allocated by an IP address segment corresponding to a virtual local area network VLAN in the enterprise network, where the QoS policy includes a correspondence between the IP address segment and the QoS mark, and a correspondence between the QoS mark and the QoS requirement ;
  • the receiving module is further configured to receive a service packet sent by the host in the VLAN to the network of the operator, where a source IP address of the service packet belongs to the IP address segment, and the service packet includes the QoS marking
  • a processing module configured to provide QoS for the service packet according to the correspondence between the QoS marking and the QoS requirement.
  • the service packet further includes an enterprise VLAN tag, where the processing module is specifically configured to: according to the correspondence between the QoS tag and the QoS requirement, and the The enterprise VLAN tag provides QoS for the service message.
  • the network device further includes a conversion module, configured to convert the enterprise VLAN tag into a port VLAN tag according to the physical port; Differentiating different service packets of different enterprises according to the port VLAN tag and the QoS tag, and providing QoS for the service packet.
  • a conversion module configured to convert the enterprise VLAN tag into a port VLAN tag according to the physical port; Differentiating different service packets of different enterprises according to the port VLAN tag and the QoS tag, and providing QoS for the service packet.
  • a fourth aspect provides a system for providing quality of service QoS for service packets, including the above The network device located at the egress gateway of the enterprise network, the access device of the enterprise network accessing the operator network, and the network device located in the operator network.
  • a fifth aspect provides a method for providing a quality of service QoS for a service packet, where the method is applied to a system for providing a quality of service QoS for a service packet, where the system includes a first network device and a second network device. And a third network device, where the first network device is located at an egress gateway of the enterprise network, the second network device is located at an operator network, and the third network device is that the enterprise network accesses the carrier network Access devices, including:
  • the second network device allocates a QoS token to the IP address segment according to a pre-configured QoS policy, where the QoS policy includes a correspondence between the IP address segment and the QoS token, and the QoS marking and QoS requirements. Correspondence relationship
  • the second network device sends the correspondence between the QoS marking and the QoS requirement to the third network device.
  • the QoS marking comprises one of an 802.1P tag, a differential service code point DSCP tag, and a service type ToS tag.
  • An apparatus, system, and method for providing a quality of service QoS for a service packet according to an embodiment of the present invention where a network device located at an egress gateway of an enterprise network receives an Internet Protocol IP address segment and a service sent by a network device located in an operator network.
  • the IP address segment is an IP address segment corresponding to the virtual local area network VLAN in the enterprise network
  • the QoS mark is that the network device located in the operator network is given according to a pre-configured QoS policy.
  • a QoS token allocated by the IP address segment where the QoS policy includes a correspondence between the IP address segment and the QoS marking, and a correspondence between the QoS marking and a QoS requirement; the located at an egress gateway of the enterprise network
  • the network device also receives a service sent by the host in the VLAN to the carrier network. a packet, the source IP address of the service packet belongs to the IP address segment, and the network device at the egress gateway of the enterprise network is the service report according to the corresponding relationship between the IP address segment and the QoS marking.
  • the QoS tag is added to provide QoS for service packets.
  • FIG. 1 is a schematic structural diagram of a network device located at an egress gateway of an enterprise network according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a network device located in an operator network according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of an access device of an enterprise network access operator network according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a system for providing quality of service QoS for service packets according to an embodiment of the present disclosure
  • FIG. 5 is a flowchart of a method for providing quality of service QoS for service packets according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a system for providing quality of service QoS for service packets according to an embodiment of the present disclosure
  • FIG. 7 is a flowchart of interaction for providing QoS for service packets according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a system for providing QoS for service packets according to an embodiment of the present disclosure
  • FIG. 9 is a schematic diagram of QoS of a network device located at an egress gateway of an enterprise network according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of QoS of an access device of an enterprise network access operator network according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a network device located in an operator network according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a network device located at an egress gateway of an enterprise network according to an embodiment of the present disclosure
  • FIG. 13 is an access device of an enterprise network access operator network according to an embodiment of the present invention. Schematic diagram of the structure.
  • an embodiment of the present invention provides a network device, which is located at an egress gateway of an enterprise network, and includes:
  • the receiving module 101 is configured to receive a correspondence between an Internet Protocol IP address segment and a quality of service QoS token sent by a network device of the operator network, where the IP address segment is an IP address segment corresponding to a virtual local area network VLAN in the enterprise network.
  • the QoS marking is a QoS marking that is allocated to the IP address segment by the network device located in the carrier network according to a pre-configured QoS policy, where the QoS policy includes a correspondence between the IP address segment and the QoS marking. And a correspondence between the QoS marking and the QoS requirement;
  • the receiving module 101 is further configured to receive a service packet sent by a host in the VLAN to the carrier network, where a source IP address of the service packet belongs to the IP address segment;
  • the processing module 102 is configured to add the QoS label to the service packet according to the correspondence between the IP address segment and the QoS marking received by the receiving module 101.
  • An apparatus, system, and method for providing a quality of service QoS for a service packet where a network device located at an egress gateway of an enterprise network receives an Internet Protocol IP address segment and a service sent by a network device located in an operator network.
  • the IP address segment is an IP address segment corresponding to the virtual local area network VLAN in the enterprise network
  • the QoS mark is that the network device located in the operator network is given according to a pre-configured QoS policy.
  • IP address a QoS flag assigned by the segment, the QoS policy including a correspondence between the IP address segment and the QoS marking, and a correspondence between the QoS marking and a QoS requirement; the network device located at an egress gateway of the enterprise network further Receiving a service packet sent by the host in the VLAN to the carrier network, where a source IP address of the service packet belongs to the IP address segment; and the network device at an egress gateway of the enterprise network is configured according to the The corresponding relationship between the IP address segment and the QoS marking is to add the QoS marking to the service packet, which can better provide QoS for the service packet.
  • the QoS marking includes one of an 802.1P marking, a Differentiated Services Code Point (DSCP) marking, and a Type of Service (ToS) marking.
  • DSCP Differentiated Services Code Point
  • ToS Type of Service
  • processing module 102 is further configured to add an enterprise VLAN tag to the service packet.
  • an embodiment of the present invention further provides a network device, which is located in an operator network, and includes:
  • the obtaining module 201 is configured to obtain an IP address segment corresponding to a virtual local area network VLAN in the enterprise network.
  • the allocating module 202 is configured to allocate a QoS token to the IP address segment according to a pre-configured QoS policy, where the QoS policy includes a correspondence between the IP address segment and the QoS marking, and the QoS marking and QoS requirements. Correspondence relationship
  • the sending module 203 is configured to send the correspondence between the IP address segment and the QoS marking to a network device located at an egress gateway of the enterprise network;
  • the sending module 203 is further configured to send the correspondence between the QoS marking and the QoS requirement to the access device of the enterprise network to access the enterprise network.
  • the QoS marking comprises one of an 802.1P marking, a differential service code point DSCP marking, and a service type ToS marking.
  • the sending module 203 is specifically configured to send, by the operator network management system, the correspondence between the QoS marking and the QoS requirement to the third network device.
  • the sending module 203 is configured to send the correspondence between the IP address segment and the QoS marking to a network device located at an egress gateway of the enterprise network, and define a new message type (for example, by using an XMPP protocol).
  • a new message type for example, by using an XMPP protocol.
  • the content of the message includes:
  • Number of structures Define the number of IP address segments included in the message - the number of QoS tag correspondences
  • Correspondence structure structure Describe the specific correspondence, which includes the IP network segment address, mask, and QoS tag type (such as 802.1P, DSCP, ToS, etc.).
  • QoS tag type such as 802.1P, DSCP, ToS, etc.
  • the sending module 203 is further configured to send the correspondence between the QoS marking and the QoS requirement to the access device of the enterprise network to access the carrier network, and define a new message type (for example, Through the XMPP protocol, the XML format is used to define each field contained in the message and their specific values are sent.
  • the content of the message includes:
  • Number of structures Defines the number of QoS flags-QoS requirements corresponding to the message.
  • Correspondence structure Describes the specific correspondence, which in turn includes QoS tag types (such as 802.1P, DSCP, ToS, etc.), QoS tag values, priorities, guaranteed bandwidth (cir), peak bandwidth (pir), etc.
  • QoS tag types such as 802.1P, DSCP, ToS, etc.
  • QoS tag values such as 802.1P, DSCP, ToS, etc.
  • priorities such as 802.1P, DSCP, ToS, etc.
  • pir peak bandwidth
  • the obtaining module 202 is configured to obtain, from a dynamic host configuration protocol DHCP server, an IP address segment corresponding to a virtual local area network VLAN in the enterprise network, where the DHCP server is built in the enterprise network.
  • the format definition message contains various fields and their specific values.
  • the content of the message includes:
  • Number of structures Defines the number of VLAN-assigned IP address segments in the message.
  • Correspondence structure structure Describe the specific correspondence, which in turn includes the VLAN ID, the assigned IP network segment, the subnet mask, etc.
  • the embodiment of the present invention further provides a network device, where the network device is an access device of an enterprise network access operator network, and includes:
  • the receiving module 301 is configured to receive a correspondence between a QoS label sent by a network device of the carrier network and a QoS requirement, where the QoS label is that the network device located in the operator network sends the QoS policy according to a pre-configured QoS policy.
  • VLAN virtual local area network
  • the receiving module 301 is further configured to receive a service packet sent by the host in the VLAN to the carrier network, where a source IP address of the service packet belongs to the IP address segment, and the service packet includes a QoS tag
  • the processing module 302 is configured to provide QoS for the service packet according to the correspondence between the QoS marking and the QoS requirement.
  • the service packet further includes an enterprise VLAN tag, where the processing module 302 is specifically configured to provide, according to the correspondence between the QoS tag and the QoS requirement, the enterprise VLAN tag as the service packet. QoS.
  • the network device further includes a conversion module, configured to convert the enterprise VLAN tag into a port VLAN tag according to the physical port; the processing module 302 is specifically configured to distinguish according to the port VLAN tag and the QoS tag. Different service packets of different enterprises and provide QoS for the service packets.
  • an embodiment of the present invention further provides a system for providing quality of service QoS for service packets, including a network device located at an egress gateway of an enterprise network as described above, and an enterprise network accessing a carrier network. Access devices, and network devices located on the carrier's network.
  • the embodiment of the present invention further provides a method for providing a quality of service QoS for a service message, where the method is applied to a system for providing a quality of service QoS for a service message, where the system includes the first a network device, a second network device, and a third network device, wherein the first network device is located at an egress gateway of the enterprise network, the second network device is located at an operator network, and the third network device is the enterprise network Access devices accessing the carrier network, including:
  • the second network device acquires an IP address segment corresponding to a virtual local area network VLAN in the enterprise network.
  • the second network device allocates a QoS label to the IP address segment according to a pre-configured QoS policy, where the QoS policy includes a correspondence between the IP address segment and the QoS marking, and the QoS marking and QoS. Corresponding relationship
  • the second network device sends a correspondence between the IP address segment and the QoS marking to the first network device.
  • the second network device sends a correspondence between the QoS marking and the QoS requirement to the third network device.
  • the QoS marking comprises one of an 802.1P marking, a differential service code point DSCP marking, and a service type ToS marking.
  • the method further includes: sending an enterprise VLAN tag to the third network device, so that the third network device according to the correspondence between the QoS tag and the QoS requirement, and the enterprise VLAN tag is The service message provides QoS.
  • the sending the corresponding relationship between the QoS marking and the QoS requirement to the third network device includes: sending, by the operator network management system, the correspondence between the QoS marking and the QoS requirement to the third network. device.
  • the second network device sends the correspondence between the IP address segment and the QoS marking to the first network device, and may define a new message type (for example, defining a message in an XML format by using an XMPP protocol)
  • a new message type for example, defining a message in an XML format by using an XMPP protocol
  • the various fields contained in and their specific values are sent.
  • the contents of the message include:
  • Number of structures Define the number of IP address segments included in the message - the number of QoS tag correspondences
  • Correspondence structure structure Describe the specific correspondence, which includes the IP network segment address, mask, and QoS tag type (such as 802.1P, DSCP, ToS, etc.).
  • QoS tag type such as 802.1P, DSCP, ToS, etc.
  • the second network device sends the correspondence between the QoS marking and the QoS requirement to the third network device, and may define a new message type (for example, by using an XMPP protocol, defining an information included in the message by using an XMPP protocol) Each field and its specific value are sent.
  • the content of the message includes:
  • Number of structures Defines the number of QoS flags-QoS requirements corresponding to the message.
  • Correspondence structure Describes the specific correspondence, which in turn includes QoS tag types (such as 802.1P, DSCP, ToS, etc.), QoS tag values, priorities, guaranteed bandwidth (cir), peak bandwidth (pir), etc.
  • QoS tag types such as 802.1P, DSCP, ToS, etc.
  • QoS tag values such as 802.1P, DSCP, ToS, etc.
  • priorities such as 802.1P, DSCP, ToS, etc.
  • pir peak bandwidth
  • a system for providing QoS for service packets in the embodiment of the present invention includes two parts: a network device located at an egress gateway of an enterprise network, and a network device located at an operator network, where the system provides network access, security, and Various basic and value-added services such as WAN acceleration, and its functional modules are shown in Figure 6.
  • the network device located at the egress gateway of the enterprise network may include a basic Dynamic Host Configuration Protocol (DHCP) function, Layer 2 or Layer 3 switching function, traffic classification and marking functions, and other functions according to service requirements.
  • DHCP Dynamic Host Configuration Protocol
  • VPN virtual private network
  • Access Access
  • WLAN wireless local area network
  • the Point, AP) function includes an Access Control List (ACL) function according to internal traffic control requirements.
  • Network devices located in the carrier network may include basic functions such as route forwarding, network address translation (NAT), Wide Area Network (WAN) authentication, and IP address, and value-added service functions such as VPN, firewall, and WAN acceleration.
  • NAT network address translation
  • WAN Wide Area Network
  • IP address IP address
  • value-added service functions such as VPN, firewall, and WAN acceleration.
  • the function of the network device located at the egress gateway of the enterprise network and the network device located in the operator network in the embodiment of the present invention is traditionally completed by the enterprise egress gateway.
  • the embodiment of the present invention uses a part of the function from the network located in the carrier network.
  • the network device located in the carrier network may be a virtual router in the form of software on a carrier network device (such as a Broadband Remote Access Server (BRAS)), and the enterprise only needs to use A simple switching device accesses the network, and can utilize various functions on the virtual router to meet various requirements of communication and security.
  • BRAS Broadband Remote Access Server
  • the QoS policy of the enterprise service packet is pre-configured in the network device located in the operator network, where the QoS policy includes a correspondence between the IP address segment and the QoS marking, and a correspondence between the QoS marking and the QoS requirement.
  • the QoS requirement includes a bandwidth, a priority, and the like allocated to different service traffic;
  • the IP address segment includes an IP address segment corresponding to each virtual local area network VLAN of each enterprise;
  • the QoS mark includes an 802.1P tag, a DSCP tag, and a ToS One of the markers.
  • the QoS marking when the network device located at the egress gateway of the enterprise network and the network device located at the operator network are Layer 2 forwarding, the QoS marking includes an 802.1P tag, when the egress at the enterprise network When the network device at the gateway and the network device located in the carrier network are three-layer forwarding, the QoS marking includes a DSCP tag or a ToS tag.
  • the interaction process for providing QoS for service packets is as follows:
  • Step 1 The network device located in the operator network obtains an IP address segment corresponding to the virtual local area network VLAN in the enterprise network from the dynamic host configuration protocol DHCP server, and the DHCP server is built in the outlet located in the enterprise network.
  • Network device at the gateway or the bit a network device of the carrier network, or a separate DHCP server, where the DHCP server is configured with an IP address segment corresponding to a VLAN in the enterprise network;
  • Step 2 The network device located in the operator network allocates a QoS mark to the IP address segment according to a pre-configured QoS policy, and sends a correspondence between the IP address segment and the QoS mark to an exit located in the enterprise network. a network device at the gateway, so that the network device at the egress gateway of the enterprise network adds the QoS label to the service packet according to the correspondence between the IP address segment and the QoS marking;
  • Step 3 The network device located in the carrier network sends the corresponding relationship between the QoS marking and the QoS requirement to the network management system of the operator.
  • Step 4 The operator network management system sends the corresponding relationship between the QoS marking and the QoS requirement to the enterprise network to access the access device of the carrier network, so that the enterprise network accesses the carrier network.
  • the access device provides QoS for the service packet according to the service packet corresponding to the QoS label and the QoS requirement.
  • the access device of the enterprise network accessing the carrier network may include an optical network unit (ONU) and an optical line terminal (Optical Line). Terminal, OLT) may also include a Digital Subscriber Line Access Multiplexer (DSLAM), and may also include other switches.
  • ONU optical network unit
  • OLT optical line terminal
  • DSLAM Digital Subscriber Line Access Multiplexer
  • the network device located on the carrier network first performs NAT conversion to replace the destination IP address, and then performs different QoS according to different IP address segments.
  • a DHCP server built in the network device at the egress gateway of the enterprise network allocates an IP address segment to the virtual local area network VLAN in the enterprise network. Because there are generally multiple terminals in each VLAN, the DHCP server will Each VLAN is assigned an IP address segment, that is, a plurality of IP addresses having a certain range.
  • Different VLANs correspond to different services, that is, different services, VLANs, and IP address segments have corresponding relationships; then the egress gateway located at the enterprise network
  • the network device sends the IP address segment to a network device located in the operator network, and receives a correspondence between the IP address segment sent by the network device located in the carrier network and the QoS mark; and then the exit located at the enterprise network
  • the network device at the gateway receives the service packet sent by the host in the VLAN to the carrier network, where the source IP address of the service packet belongs to the IP address segment; and according to the source IP address of the service packet
  • the IP address segment to which the address belongs adds the QoS tag to the service packet, that is, the QoS flag can be used to distinguish different service packets in the same enterprise, and the network device located at the egress gateway of the enterprise network also You can add enterprise VLAN tags to the service packets, and you can add the same enterprise VLAN tag to the same enterprise, such as VLAN 1000 in Figure 9.
  • the QoS of the access device of the enterprise network access operator network is illustrated.
  • the access device stores a correspondence between the QoS marking sent by the network device of the carrier network to the network management system of the operator, and the QoS marking sent by the network management system of the operator to the access device, and the QoS requirement is also saved.
  • the enterprise VLAN tag sent by the operator network management system Assuming that the access device is composed of an ONU and an OLT, the enterprise VLAN tag can be converted into a port VLAN tag according to the physical port on the ONU to distinguish different enterprises, for example, an enterprise VLAN tag of an enterprise is marked according to the received VLAN 1000.
  • the physical port is converted to the port VLAN tagged VLAN 10; the OLT is configured to distinguish different types of service packets of different enterprises according to the converted port VLAN tag + QoS tag, and provide QoS for it.
  • the ONU and the OLT cooperate to complete the QoS as an example, and the QoS can also be provided on the ONU or on the OLT separately.
  • the QoS method is similar.
  • Figure 9 and Figure 10 take the QoS tag as an 802.1P tag as an example. Other QoS tags are similar.
  • the embodiment of the present invention further provides a network device located in a carrier network, which includes: a transceiver 1101, a processor 1102, a memory 1103, and a bus 1104.
  • the transceiver 1101, the processor 1102, and the memory 1103 pass through a bus. 1104 connects and completes communication with each other, where:
  • the bus 1104 can be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an extended industry. Extended Industry Standard Architecture (EISA) bus, etc.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus 1104 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one line is shown in the figure, but it does not mean that there is only one bus or one type of bus.
  • the memory 1103 is for storing program code, and the program code includes an operation instruction.
  • the memory 1103 may include a random access memory (RAM), and may also include a non-volatile memory such as a disk storage.
  • the processor 1102 may be a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits configured to implement embodiments of the present invention.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • the processor 1102 is configured to call the program code in the memory 1103 to perform the following operations:
  • the transceiver 1101 is configured to send a correspondence between the IP address segment and the QoS marking to a network device located at an egress gateway of the enterprise network;
  • the transceiver 1101 is further configured to send the correspondence between the QoS marking and the QoS requirement to the access device of the enterprise network to access the enterprise network.
  • an embodiment of the present invention further provides a network device located at an egress gateway of an enterprise network, including:
  • the transceiver 1201, the processor 1202, the memory 1203, and the bus 1204, the transceiver 1201, the processor 1202, and the memory 1203 are connected by the bus 1204 and complete communication with each other, wherein:
  • the bus 1204 can be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an extended industry. Extended Industry Standard Architecture (EISA) bus, etc.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus 1204 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one line is shown in the figure, but it does not mean that there is only one bus or one type of bus.
  • the memory 1203 is for storing program code, and the program code includes an operation instruction.
  • the memory 1203 may include a random access memory (RAM), and may also include a non-volatile memory such as a disk storage.
  • the processor 1202 may be a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits configured to implement embodiments of the present invention.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • the transceiver 1201 is configured to receive a correspondence between an Internet Protocol IP address segment and a quality of service QoS token sent by a network device of the operator network, where the IP address segment is an IP address segment corresponding to a virtual local area network VLAN in the enterprise network.
  • the QoS marking is a QoS marking that is allocated to the IP address segment by the network device located in the carrier network according to a pre-configured QoS policy, where the QoS policy includes a correspondence between the IP address segment and the QoS marking. And a correspondence between the QoS marking and the QoS requirement;
  • the transceiver 1201 is further configured to receive a service packet sent by the host in the VLAN to the carrier network, where a source IP address of the service packet belongs to the IP address segment;
  • the processor 1202 is configured to call the program code in the memory 1203 to perform the following operations:
  • the embodiment of the present invention further provides a network device, where the network device is an access device of an enterprise network access operator network, and includes:
  • the transceiver 1301, the processor 1302, the memory 1303, and the bus 1304, the transceiver 1301, the processor 1302, and the memory 1303 are connected by the bus 1304 and complete communication with each other, wherein:
  • the bus 1304 can be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus 1304 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one line is shown in the figure, but it does not mean that there is only one bus or one type of bus.
  • the memory 1303 is for storing program code, and the program code includes an operation instruction.
  • the memory 1303 may include a random access memory (RAM), and may also include a non-volatile memory such as a disk storage.
  • the processor 1302 may be a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits configured to implement embodiments of the present invention.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • the transceiver 1301 is configured to receive a correspondence between a QoS mark sent by a network device of the carrier network and a QoS requirement, where the QoS mark is that the network device located in the operator network sends the QoS policy according to a pre-configured QoS policy.
  • VLAN virtual local area network
  • the transceiver 1301 is further configured to receive a service packet sent by the host in the VLAN to the carrier network, where a source IP address of the service packet belongs to the IP address segment, and the service packet includes the QoS marking
  • the processor 1302 is configured to call the program code in the memory 1303 to perform the following operations:
  • An apparatus, system, and method for providing a quality of service QoS for a service packet where a network device located at an egress gateway of an enterprise network receives an Internet Protocol IP address segment and a service sent by a network device located in an operator network.
  • the IP address segment is an IP address segment corresponding to the virtual local area network VLAN in the enterprise network
  • the QoS mark is that the network device located in the operator network is given according to a pre-configured QoS policy.
  • the QoS policy includes a correspondence between the IP address segment and the QoS marking, and a correspondence between the QoS marking and a QoS requirement; the located at an egress gateway of the enterprise network
  • the network device also receives the service packet sent by the host in the VLAN to the carrier network, where the source IP address of the service packet belongs to the IP address segment; and the network device located at the egress gateway of the enterprise network Adding the QoS marking to the service packet according to the corresponding relationship between the IP address segment and the QoS marking, so as to better provide a Q for the service packet. oS.
  • modules and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the modules is only a logical function division.
  • there may be another division manner for example, multiple modules or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • Another point, shown or discussed The mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interface, device or module, and may be in an electrical, mechanical or other form.
  • the modules described as separate components may or may not be physically separated.
  • the components displayed as modules may or may not be physical modules, that is, may be located in one place, or may be distributed to multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional module in each embodiment of the present invention may be integrated into one processing module, or each module may exist physically separately, or two or more modules may be integrated into one module.
  • the functions, if implemented in the form of software functional modules and sold or used as separate products, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本申请公开了一种为业务报文提供服务质量QoS的装置，位于企业网络的出口网关处的网络设备接收位于运营商网络的网络设备发送的IP地址段和QoS标记的对应关系，所述IP地址段是所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述QoS标记是所述位于运营商网络的网络设备根据预先配置的QoS策略给所述IP地址段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；还接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段；根据所述IP地址段与所述QoS标记的对应关系为所述业务报文添加所述QoS标记，可以更好的为业务报文提供QoS。

Description

一种为业务报文提供服务质量QoS的装置、系统和方法 技术领域
本发明涉及通信技术领域，特别涉及一种为业务报文提供服务质量QoS的装置、系统和方法。
背景技术
随着企业规模不断扩张，越来越多的分支机构会被建立，各分支都需要接入网络以便与总部及其它分支间开展业务，因此企业需要投入大量的资金采购网络通信设备，如接入路由器等。另一方面，出于安全和效率的考虑，除基本通信设备外，企业还需部署防火墙、入侵检测、广域网加速等网络服务。受限于目前的硬件性能，很难在单一设备上同时集成企业所需要的多种功能，因此企业通常需要购买多个设备进行层叠部署，这就带来了投资大、设备间互操作复杂，维护成本高等一系列问题，同时设备的性能无法随企业的需求动态调整，往往会造成性能的不足或浪费。
从电信运营商角度看，企业接入网络仅需缴纳相应的宽带接入费用，随着流量的快速增长，运营商在成本增加与收益增长间面临着巨大的剪刀差，迫切需要通过新业务提升其收益。企业在通信设备上的投资是一个巨大的市场，如果运营商能够进入这一价值链，通过其网络设备提供企业所需要的通信、安全等多种服务，那么一方面可以降低企业的投资及维护成本，另一方面运营商可以通过提供新业务的功能和维护服务，获取更多的收益，达到双方共赢的效果。
而在运营商进入这一价值链过程中，如何更好的为业务报文提供服务质量(Quality of Service,QoS)，是个亟待解决的问题。
发明内容
为了更好的为业务报文提供QoS，本发明实施例提供一种为业务报文提供服务质量QoS的装置、系统和方法。
第一方面，提供一种网络设备，位于企业网络的出口网关处，包括：
接收模块，用于接收位于运营商网络的网络设备发送的因特网协议IP地址段和服务质量QoS标记的对应关系，所述IP地址段是所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述QoS标记是所述位于运营商网络的网络设备根据预先配置的QoS策略给所述IP地址段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；
所述接收模块，还用于接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段；
处理模块，用于根据所述接收模块接收的所述IP地址段与所述QoS标记的对应关系为所述业务报文添加所述QoS标记。结合第一方面，在第一种可能的实现方式中，所述QoS标记包括802.1P标记、差分服务代码点DSCP标记和服务类型ToS标记中的一种。
结合第一方面，或者第一方面的第一种可能的实现方式，在第二种可能的实现方式中，所述处理模块还用于为所述业务报文添加企业VLAN标记。
第二方面，提供一种网络设备，位于运营商网络，包括：
获取模块，用于获取企业网络内的虚拟局域网VLAN对应的IP地址段；
分配模块，用于根据预先配置的QoS策略给所述IP地址段分配QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；
发送模块，用于将所述IP地址段与所述QoS标记的对应关系发送给位于所述企业网络的出口网关处的网络设备；
所述发送模块，还用于将所述QoS标记与QoS要求的对应关系发送给所述企业网络接入所述运营商网络的接入设备。
结合第二方面，在第一种可能的实现方式中，所述QoS标记包括802.1P标记、差分服务代码点DSCP标记和服务类型ToS标记中的一种。
结合第二方面，或者第二方面的第一种可能的实现方式，在第二种可能的实现方式中，所述获取模块，具体用于从动态主机配置协议DHCP服务器获取所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述DHCP服务器内置于所述位于所述企业网络的出口网关处的网络设备或者所述位于所述运营商网络的网络设备，或者是独立的DHCP服务器，所述DHCP服务器上配置有所述企业网络内的VLAN对应的IP地址段。
第三方面，提供一种网络设备，所述网络设备是企业网络接入运营商网络的接入设备，包括：
接收模块，用于接收位于所述运营商网络的网络设备发送的QoS标记与QoS要求的对应关系，所述QoS标记是所述位于所述运营商网络的网络设备根据预先配置的QoS策略给所述企业网络内的虚拟局域网VLAN对应的IP地址段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与所述QoS要求的对应关系；
所述接收模块还用于接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段，所述业务报文包括所述QoS标记；
处理模块，用于根据所述QoS标记与所述QoS要求的对应关系为所述业务报文提供QoS。
结合第三方面，在第一种可能的实现方式中，所述业务报文还包括企业VLAN标记，所述处理模块具体用于根据所述QoS标记与所述QoS要求的对应关系，和所述企业VLAN标记为所述业务报文提供QoS。
结合第三方面，或者第三方面的第一种可能的实现方式，所述网络设备还包括转换模块，用于根据物理端口将所述企业VLAN标记转换为端口VLAN标记；所述处理模块具体用于根据所述端口VLAN标记和所述QoS标记区分不同企业的不同业务报文，并为所述业务报文提供QoS。
第四方面，提供一种为业务报文提供服务质量QoS的系统，包括如上 所述的位于企业网络的出口网关处的网络设备，企业网络接入运营商网络的接入设备，和位于运营商网络的网络设备。
第五方面，提供一种为业务报文提供服务质量QoS的方法，所述方法应用于一种为业务报文提供服务质量QoS的系统，所述系统包括第一网络设备，第二网络设备，和第三网络设备，所述第一网络设备位于企业网络的出口网关处，所述第二网络设备位于运营商网络，所述第三网络设备是所述企业网络接入所述运营商网络的接入设备，包括：
所述第二网络设备获取所述企业网络内的虚拟局域网VLAN对应的IP地址段；
所述第二网络设备根据预先配置的QoS策略给所述IP地址段分配QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；
所述第二网络设备将所述IP地址段与所述QoS标记的对应关系发送给所述第一网络设备；
所述第二网络设备将所述QoS标记与QoS要求的对应关系发送给所述第三网络设备。
结合第五方面，在第一种可能的实现方式中，所述QoS标记包括802.1P标记、差分服务代码点DSCP标记和服务类型ToS标记中的一种。本发明实施例提供的一种为业务报文提供服务质量QoS的装置、系统和方法，位于企业网络的出口网关处的网络设备接收位于运营商网络的网络设备发送的因特网协议IP地址段和服务质量QoS标记的对应关系，所述IP地址段是所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述QoS标记是所述位于运营商网络的网络设备根据预先配置的QoS策略给所述IP地址段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；所述位于企业网络的出口网关处的网络设备还接收所述VLAN内的主机向所述运营商网络发送的业务 报文，所述业务报文的源IP地址属于所述IP地址段；所述位于企业网络的出口网关处的网络设备根据所述IP地址段与所述QoS标记的对应关系为所述业务报文添加所述QoS标记，可以更好的为业务报文提供QoS。
附图说明
图1为本发明实施例提供的一种位于企业网络的出口网关处的网络设备的结构示意图；
图2为本发明实施例提供的一种位于运营商网络的网络设备的结构示意图；
图3为本发明实施例提供的一种企业网络接入运营商网络的接入设备的结构示意图；
图4为本发明实施例提供的一种为业务报文提供服务质量QoS的系统的结构示意图；
图5为本发明实施例提供的一种为业务报文提供服务质量QoS的方法流程图；
图6为本发明实施例提供的一种为业务报文提供服务质量QoS的系统的示意图；
图7为本发明实施例提供的一种为业务报文提供QoS的交互流程图；
图8为本发明实施例提供的一种为业务报文提供QoS的系统的示意图；
图9为本发明实施例提供的位于企业网络的出口网关处的网络设备的QoS示意图；
图10为本发明实施例提供的企业网络接入运营商网络的接入设备的QoS示意图；
图11为本发明实施例提供的一种位于运营商网络的网络设备的结构示意图；
图12为本发明实施例提供的一种位于企业网络的出口网关处的网络设备的结构示意图；
图13为本发明实施例提供的一种企业网络接入运营商网络的接入设备 的结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
下面结合说明书附图对本发明实施例作进一步详细描述。
如图1所示，本发明实施例提供了一种网络设备，位于企业网络的出口网关处，包括：
接收模块101，用于接收位于运营商网络的网络设备发送的因特网协议IP地址段和服务质量QoS标记的对应关系，所述IP地址段是所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述QoS标记是所述位于运营商网络的网络设备根据预先配置的QoS策略给所述IP地址段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；
所述接收模块101，还用于接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段；
处理模块102，用于根据所述接收模块101接收的所述IP地址段与所述QoS标记的对应关系为所述业务报文添加所述QoS标记。
本发明实施例提供的一种为业务报文提供服务质量QoS的装置、系统和方法，位于企业网络的出口网关处的网络设备接收位于运营商网络的网络设备发送的因特网协议IP地址段和服务质量QoS标记的对应关系，所述IP地址段是所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述QoS标记是所述位于运营商网络的网络设备根据预先配置的QoS策略给所述IP地址 段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；所述位于企业网络的出口网关处的网络设备还接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段；所述位于企业网络的出口网关处的网络设备根据所述IP地址段与所述QoS标记的对应关系为所述业务报文添加所述QoS标记，可以更好的为业务报文提供QoS。
可选地，所述QoS标记包括802.1P标记、差分服务代码点(Differentiated Services Code Point,DSCP)标记和服务类型(Type of Service,ToS)标记中的一种。
可选地，所述处理模块102还用于为所述业务报文添加企业VLAN标记。
如图2所示，本发明实施例还提供了一种网络设备，位于运营商网络，包括：
获取模块201，用于获取企业网络内的虚拟局域网VLAN对应的IP地址段；
分配模块202，用于根据预先配置的QoS策略给所述IP地址段分配QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；
发送模块203，用于将所述IP地址段与所述QoS标记的对应关系发送给位于所述企业网络的出口网关处的网络设备；
所述发送模块203，还用于将所述QoS标记与QoS要求的对应关系发送给所述企业网络接入所述运营商网络的接入设备。
可选地，所述QoS标记包括802.1P标记、差分服务代码点DSCP标记和服务类型ToS标记中的一种。
可选地，所述发送模块203具体用于通过运营商网管系统将所述QoS标记与QoS要求的对应关系发送给所述第三网络设备。
可选地，发送模块203，用于将所述IP地址段与所述QoS标记的对应关系发送给位于所述企业网络的出口网关处的网络设备，可以定义新的消息类型(比如通过XMPP协议，用XML格式定义消息中包含的各个字段和它们的具体取值)发送，消息的内容包括：
消息发送者ID：标记消息的发送者
消息接收者ID：标记消息的接收者
结构体数量：定义消息中包含的IP地址段-QoS标记对应关系的个数
对应关系结构体：描述具体的对应关系，这其中又包含IP网段地址、掩码、QoS标记类型(如：802.1P、DSCP、ToS等)，QoS标记取值
举例如下：
Figure PCTCN2015082067-appb-000001
Figure PCTCN2015082067-appb-000002
可选地，所述发送模块203，还用于将所述QoS标记与QoS要求的对应关系发送给所述企业网络接入所述运营商网络的接入设备，可以定义新的消息类型(比如通过XMPP协议，用XML格式定义消息中包含的各个字段和它们的具体取值)发送，消息的内容包括：
消息发送者ID：标记消息的发送者
消息接收者ID：标记消息的接收者
结构体数量：定义消息中包含的QoS标记-QoS要求对应关系的个数
对应关系结构体：描述具体的对应关系，这其中又包含QoS标记类型(如：802.1P、DSCP、ToS等)，QoS标记取值，优先级，保证带宽(cir)，峰值带宽(pir)等
举例如下：
Figure PCTCN2015082067-appb-000003
Figure PCTCN2015082067-appb-000004
可选地，所述获取模块202，具体用于从动态主机配置协议DHCP服务器获取所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述DHCP服务器内置于所述位于所述企业网络的出口网关处的网络设备或者所述位于运营商网络的网络设备，或者是独立的DHCP服务器，所述DHCP服务器上配置有所述企业网络内的VLAN对应的IP地址段。如果所述DHCP服务器是内置于第一网络设备，或者是独立的DHCP服务器，则还需要将所述IP地址段发送给第二网络设备，可以定义新的消息类型(比如通过XMPP协议，用XML格式定义消息中包含的各个字段和它们的具体取值)发送，消息的内容包括：
消息发送者ID：标记消息的发送者
消息接收者ID：标记消息的接收者
结构体数量：定义消息中包含的VLAN-分配的IP地址段对应关系的个数
对应关系结构体：描述具体的对应关系，这其中又包含VLAN ID，分配的IP网段，子网掩码等
举例如下：
Figure PCTCN2015082067-appb-000005
Figure PCTCN2015082067-appb-000006
</message>如图3所示，本发明实施例还提供一种网络设备，所述网络设备是企业网络接入运营商网络的接入设备，包括：
接收模块301，用于接收位于所述运营商网络的网络设备发送的QoS标记与QoS要求的对应关系，所述QoS标记是所述位于运营商网络的网络设备根据预先配置的QoS策略给所述企业网络内的虚拟局域网VLAN对应的IP地址段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与所述QoS要求的对应关系；
所述接收模块301还用于接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段，所述业务报文包括所述QoS标记；
处理模块302，用于根据所述QoS标记与所述QoS要求的对应关系为所述业务报文提供QoS。
可选地，所述业务报文还包括企业VLAN标记，所述处理模块302具体用于根据所述QoS标记与所述QoS要求的对应关系，和所述企业VLAN标记为所述业务报文提供QoS。
可选地，所述网络设备还包括转换模块，用于根据物理端口将所述企业VLAN标记转换为端口VLAN标记；所述处理模块302具体用于根据所述端口VLAN标记和所述QoS标记区分不同企业的不同业务报文，并为所述业务报文提供QoS。
如图4所示，本发明实施例还提供了一种为业务报文提供服务质量QoS的系统，包括如上所述的位于企业网络的出口网关处的网络设备，企业网络接入运营商网络的接入设备，和位于运营商网络的网络设备。
如图5所示，本发明实施例还提供了一种为业务报文提供服务质量QoS的方法，所述方法应用于一种为业务报文提供服务质量QoS的系统，所述系统包括第一网络设备，第二网络设备，和第三网络设备，所述第一网络设备位于企业网络的出口网关处，所述第二网络设备位于运营商网络，所述第三网络设备是所述企业网络接入所述运营商网络的接入设备，包括：
501、所述第二网络设备获取所述企业网络内的虚拟局域网VLAN对应的IP地址段；
502、所述第二网络设备根据预先配置的QoS策略给所述IP地址段分配QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；
503、所述第二网络设备将所述IP地址段与所述QoS标记的对应关系发送给所述第一网络设备；
504、所述第二网络设备将所述QoS标记与QoS要求的对应关系发送给所述第三网络设备。
可选地，所述QoS标记包括802.1P标记、差分服务代码点DSCP标记和服务类型ToS标记中的一种。
可选地，所述方法还包括将企业VLAN标记发送给所述第三网络设备，以使所述第三网络设备根据所述QoS标记与QoS要求的对应关系，以及所述企业VLAN标记为所述业务报文提供QoS。
可选地，所述将所述QoS标记与QoS要求的对应关系发送给所述第三网络设备具体包括通过运营商网管系统将所述QoS标记与QoS要求的对应关系发送给所述第三网络设备。
可选地，所述第二网络设备将所述IP地址段与所述QoS标记的对应关系发送给所述第一网络设备，可以定义新的消息类型(比如通过XMPP协议，用XML格式定义消息中包含的各个字段和它们的具体取值)发送，消息的内容包括：
消息发送者ID：标记消息的发送者
消息接收者ID：标记消息的接收者
结构体数量：定义消息中包含的IP地址段-QoS标记对应关系的个数
对应关系结构体：描述具体的对应关系，这其中又包含IP网段地址、掩码、QoS标记类型(如：802.1P、DSCP、ToS等)，QoS标记取值
举例如下：
Figure PCTCN2015082067-appb-000007
Figure PCTCN2015082067-appb-000008
可选地，所述第二网络设备将所述QoS标记与QoS要求的对应关系发送给所述第三网络设备，可以定义新的消息类型(比如通过XMPP协议，用XML格式定义消息中包含的各个字段和它们的具体取值)发送，消息的内容包括：
消息发送者ID：标记消息的发送者
消息接收者ID：标记消息的接收者
结构体数量：定义消息中包含的QoS标记-QoS要求对应关系的个数
对应关系结构体：描述具体的对应关系，这其中又包含QoS标记类型(如：802.1P、DSCP、ToS等)，QoS标记取值，优先级，保证带宽(cir)，峰值带宽(pir)等
举例如下：
Figure PCTCN2015082067-appb-000009
Figure PCTCN2015082067-appb-000010
下面结合图6，对本发明实施例进行进一步介绍。
本发明实施例的一种为业务报文提供QoS的系统包含两个部分：位于企业网络的出口网关处的网络设备、位于运营商网络的网络设备，所述系统为企业提供网络访问、安全、WAN加速等各种基础和增值服务，其功能模块如图6所示。
位于企业网络的出口网关处的网络设备可以包含基本的动态主机配置协议(Dynamic Host Configuration Protocol,DHCP)功能、二层或三层交换功能、流分类及标记功能，同时视业务需求包含其他功能，比如根据虚拟专用网络(Virtual Private Network,VPN)需求包含加解密功能，根据无线局域网(Wireless Local Area Networks,WLAN)需求包含访问接入点(Access  Point,AP)功能，根据内部流量控制需求包含访问控制列表(Access Control List,ACL)功能。位于运营商网络的网络设备可以包括：路由转发、网络地址转换(Network Address Translation,NAT)、广域网(Wide Area Network,WAN)认证及IP地址等基础功能，VPN、防火墙、WAN加速等增值业务功能，以及开放接口供第三方新增功能。本发明实施例中的位于企业网络的出口网关处的网络设备和位于运营商网络的网络设备的功能传统上都是由企业出口网关完成，本发明实施例将一部分功能由位于运营商网络的网络设备完成，所述的位于运营商网络的网络设备可以是在运营商网络设备(比如宽带远程接入服务器(Broadband Remote Access Server,简称BRAS))上以软件形式存在的虚拟路由器，企业仅需使用一个简单的交换设备接入网络，就可以利用虚拟路由器上的各种功能来满足其所在通信、安全上的多种需求。
而对企业业务报文的QoS策略预先配置在所述位于运营商网络的网络设备中，所述QoS策略包括IP地址段与QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系。所述Qos要求包括对不同的业务流量分配的带宽、优先级等；所述IP地址段包括各个企业的各个虚拟局域网VLAN对应的IP地址段；所述QoS标记包括802.1P标记、DSCP标记和ToS标记中的一种。其中，当所述位于企业网络的出口网关处的网络设备和所述位于运营商网络的网络设备之间是二层转发时，所述QoS标记包括802.1P标记，当所述位于企业网络的出口网关处的网络设备和所述位于运营商网络的网络设备之间是三层转发时，所述QoS标记包括DSCP标记或ToS标记。
如图7所示为本发明实施例提供的为业务报文提供QoS的交互流程：
步骤1：所述位于运营商网络的网络设备从动态主机配置协议DHCP服务器获取所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述DHCP服务器内置于所述位于所述企业网络的出口网关处的网络设备或者所述位 于运营商网络的网络设备，或者是独立的DHCP服务器，所述DHCP服务器上配置有所述企业网络内的VLAN对应的IP地址段；
步骤2：所述位于运营商网络的网络设备根据预先配置的QoS策略给所述IP地址段分配QoS标记，并将所述IP地址段与所述QoS标记的对应关系发送给位于企业网络的出口网关处的网络设备，以使所述位于企业网络的出口网关处的网络设备根据所述IP地址段与所述QoS标记的对应关系为业务报文添加所述QoS标记；
步骤3：所述位于运营商网络的网络设备将所述QoS标记与QoS要求的对应关系发送给运营商网管系统；
步骤4：所述运营商网管系统将所述QoS标记与QoS要求的对应关系发送给企业网络接入所述运营商网络的接入设备，以使所述企业网络接入所述运营商网络的接入设备根据所述QoS标记与QoS要求的对应关系业务报文为所述业务报文提供QoS。如图8所示的为业务报文提供QoS的系统中，所述企业网络接入所述运营商网络的接入设备，可以包括光网络单元(Optical Network Unit,ONU)和光线路终端(Optical Line Terminal,OLT)，也可以包括数字用户线路接入复用器(Digital Subscriber Line Access Multiplexer,DSLAM)，也可以包括其他交换机等。
而对于运营商网络向企业网络发送的业务报文，在所述位于运营商网络的网络设备上首先进行NAT转换替换目的IP地址，然后根据不同的IP地址段进行不同的QoS。
如图9所示，说明位于企业网络的出口网关处的网络设备的QoS。首先，内置于所述位于企业网络的出口网关处的网络设备的DHCP服务器为所述企业网络内的虚拟局域网VLAN分配IP地址段，因为每个VLAN内一般存在多个终端，所以，DHCP服务器会给每个VLAN分配IP地址段，也就是具有一定范围的多个IP地址。而不同的VLAN对应不同的业务，也就是不同的业务、VLAN和IP地址段存在对应关系；然后所述位于企业网络的出口网关处 的网络设备将所述IP地址段发送给位于运营商网络的网络设备，并接收所述位于运营商网络的网络设备发送的IP地址段与QoS标记的对应关系；然后所述位于企业网络的出口网关处的网络设备接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段；并根据所述业务报文的源IP地址所属的IP地址段为所述业务报文添加所述QoS标记，也就是根据所述QoS标记可以区分同一个企业内不同的业务报文，所述位于企业网络的出口网关处的网络设备也可以为所述业务报文添加企业VLAN标记，而为同一个企业可以添加相同的企业VLAN标记，比如图9中的VLAN 1000。
以图10所示，说明企业网络接入运营商网络的接入设备的QoS。所述接入设备上保存有位于运营商网络的网络设备发送给运营商网管系统，并由所述运营商网管系统发送给所述接入设备的QoS标记与QoS要求的对应关系，也保存有所述运营商网管系统发送的企业VLAN标记。假设该接入设备由ONU和OLT组成，则可以在ONU上根据物理端口将所述企业VLAN标记转换为端口VLAN标记以便区分不同的企业，比如将某一企业的企业VLAN标记VLAN 1000根据接收的物理端口转换为端口VLAN标记VLAN 10；在OLT上根据转换后的端口VLAN标记+QoS标记区分不同企业的不同类型业务报文，并对其提供QoS。这里是以ONU和OLT配合完成QoS为例，也可以单独在ONU上或者OLT上提供QoS。对于DSLAM等其他接入设备，QoS方法类似。图9和图10都是以QoS标记是802.1P标记为例，其他QoS标记类似。
本发明实施例还提供一种位于运营商网络的网络设备，参照图11所示包括：收发器1101、处理器1102、存储器1103和总线1104，该收发器1101、处理器1102和存储器1103通过总线1104连接并完成相互间的通信，其中：
该总线1104可以是工业标准体系结构(Industry Standard Architecture，ISA)总线、外部设备互连(Peripheral Component，PCI)总线或扩展工业 标准体系结构(Extended Industry Standard Architecture，EISA)总线等。该总线1104可以分为地址总线、数据总线、控制总线等。为便于表示，图中仅用一条线表示，但并不表示仅有一根总线或一种类型的总线。
存储器1103用于存储程序代码，该程序代码包括操作指令。存储器1103可能包括高速随机存储器(random access memory，RAM)，也可能包括非易失性存储器(non-volatile memory)，例如磁盘存储器。
处理器1102可能是一个中央处理器(Central Processing Unit，CPU)，或者是特定集成电路(Application Specific Integrated Circuit，ASIC)，或者是被配置成实施本发明实施例的一个或多个集成电路。
处理器1102，用于调用存储器1103中的程序代码，用以执行以下操作：
获取企业网络内的虚拟局域网VLAN对应的IP地址段；
根据预先配置的QoS策略给所述IP地址段分配QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；
收发器1101，用于将所述IP地址段与所述QoS标记的对应关系发送给位于所述企业网络的出口网关处的网络设备；
收发器1101，还用于将所述QoS标记与QoS要求的对应关系发送给所述企业网络接入所述运营商网络的接入设备。
如图12所示，本发明实施例还提供一种位于企业网络的出口网关处的网络设备，包括：
收发器1201、处理器1202、存储器1203和总线1204，该收发器1201、处理器1202和存储器1203通过总线1204连接并完成相互间的通信，其中：
该总线1204可以是工业标准体系结构(Industry Standard Architecture，ISA)总线、外部设备互连(Peripheral Component，PCI)总线或扩展工业 标准体系结构(Extended Industry Standard Architecture，EISA)总线等。该总线1204可以分为地址总线、数据总线、控制总线等。为便于表示，图中仅用一条线表示，但并不表示仅有一根总线或一种类型的总线。
存储器1203用于存储程序代码，该程序代码包括操作指令。存储器1203可能包括高速随机存储器(random access memory，RAM)，也可能包括非易失性存储器(non-volatile memory)，例如磁盘存储器。
处理器1202可能是一个中央处理器(Central Processing Unit，CPU)，或者是特定集成电路(Application Specific Integrated Circuit，ASIC)，或者是被配置成实施本发明实施例的一个或多个集成电路。
收发器1201，用于接收位于运营商网络的网络设备发送的因特网协议IP地址段和服务质量QoS标记的对应关系，所述IP地址段是所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述QoS标记是所述位于运营商网络的网络设备根据预先配置的QoS策略给所述IP地址段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；
收发器1201，还用于接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段；
处理器1202，用于调用存储器1203中的程序代码，用以执行以下操作：
根据所述收发器1201接收的所述IP地址段与所述QoS标记的对应关系为所述业务报文添加所述QoS标记。
如图13所示，本发明实施例还提供一种网络设备，所述网络设备是企业网络接入运营商网络的接入设备，包括：
收发器1301、处理器1302、存储器1303和总线1304，该收发器1301、处理器1302和存储器1303通过总线1304连接并完成相互间的通信，其中：
该总线1304可以是工业标准体系结构(Industry Standard Architecture，ISA)总线、外部设备互连(Peripheral Component，PCI)总线或扩展工业标准体系结构(Extended Industry Standard Architecture，EISA)总线等。该总线1304可以分为地址总线、数据总线、控制总线等。为便于表示，图中仅用一条线表示，但并不表示仅有一根总线或一种类型的总线。
存储器1303用于存储程序代码，该程序代码包括操作指令。存储器1303可能包括高速随机存储器(random access memory，RAM)，也可能包括非易失性存储器(non-volatile memory)，例如磁盘存储器。
处理器1302可能是一个中央处理器(Central Processing Unit，CPU)，或者是特定集成电路(Application Specific Integrated Circuit，ASIC)，或者是被配置成实施本发明实施例的一个或多个集成电路。
收发器1301，用于接收位于所述运营商网络的网络设备发送的QoS标记与QoS要求的对应关系，所述QoS标记是所述位于运营商网络的网络设备根据预先配置的QoS策略给所述企业网络内的虚拟局域网VLAN对应的IP地址段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与所述QoS要求的对应关系；
收发器1301，还用于接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段，所述业务报文包括所述QoS标记；
处理器1302，用于调用存储器1303中的程序代码，用以执行以下操作：
根据所述QoS标记与所述QoS要求的对应关系为所述业务报文提供QoS。
本发明实施例的装置的功能实现和方法属于同一发明构思，可以参考方法，在此不再赘述。
本发明实施例提供的一种为业务报文提供服务质量QoS的装置、系统和方法，位于企业网络的出口网关处的网络设备接收位于运营商网络的网络设备发送的因特网协议IP地址段和服务质量QoS标记的对应关系，所述IP地址段是所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述QoS标记是所述位于运营商网络的网络设备根据预先配置的QoS策略给所述IP地址段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；所述位于企业网络的出口网关处的网络设备还接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段；所述位于企业网络的出口网关处的网络设备根据所述IP地址段与所述QoS标记的对应关系为所述业务报文添加所述QoS标记，可以更好的为业务报文提供QoS。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的模块及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和模块的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述模块的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个模块或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论 的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或模块的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的模块可以是或者也可以不是物理上分开的，作为模块显示的部件可以是或者也可以不是物理模块，即可以位于一个地方，或者也可以分布到多个网络模块上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能模块可以集成在一个处理模块中，也可以是各个模块单独物理存在，也可以两个或两个以上模块集成在一个模块中。
所述功能如果以软件功能模块的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应所述以权利要求的保护范围为准。

Claims (12)

  1. 一种网络设备，位于企业网络的出口网关处，其特征在于，包括：
    接收模块，用于接收位于运营商网络的网络设备发送的因特网协议IP地址段和服务质量QoS标记的对应关系，所述IP地址段是所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述QoS标记是所述位于运营商网络的网络设备根据预先配置的QoS策略给所述IP地址段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；
    所述接收模块，还用于接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段；
    处理模块，用于根据所述接收模块接收的所述IP地址段与所述QoS标记的对应关系为所述业务报文添加所述QoS标记。
  2. 根据权利要求1所述的网络设备，其特征在于，所述QoS标记包括802.1P标记、差分服务代码点DSCP标记和服务类型ToS标记中的一种。
  3. 根据权利要求1或2所述的网络设备，其特征在于，所述处理模块还用于为所述业务报文添加企业VLAN标记。
  4. 一种网络设备，位于运营商网络，其特征在于，包括：
    获取模块，用于获取企业网络内的虚拟局域网VLAN对应的IP地址段；
    分配模块，用于根据预先配置的QoS策略给所述IP地址段分配QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；
    发送模块，用于将所述IP地址段与所述QoS标记的对应关系发送给位于所述企业网络的出口网关处的网络设备；
    所述发送模块，还用于将所述QoS标记与QoS要求的对应关系发送给所述企业网络接入所述运营商网络的接入设备。
  5. 根据权利要求4所述的网络设备，其特征在于，所述QoS标记包括802.1P标记、差分服务代码点DSCP标记和服务类型ToS标记中的一种。
  6. 根据权利要求4或5所述的网络设备，其特征在于，所述获取模块，具体用于从动态主机配置协议DHCP服务器获取所述企业网络内的虚拟局域网VLAN对应的IP地址段，所述DHCP服务器内置于所述位于所述企业网络的出口网关处的网络设备或者所述位于所述运营商网络的网络设备，或者是独立的DHCP服务器，所述DHCP服务器上配置有所述企业网络内的VLAN对应的IP地址段。
  7. 一种网络设备，所述网络设备是企业网络接入运营商网络的接入设备，其特征在于，包括：
    接收模块，用于接收位于所述运营商网络的网络设备发送的QoS标记与QoS要求的对应关系，所述QoS标记是所述位于所述运营商网络的网络设备根据预先配置的QoS策略给所述企业网络内的虚拟局域网VLAN对应的IP地址段分配的QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与所述QoS要求的对应关系；
    所述接收模块还用于接收所述VLAN内的主机向所述运营商网络发送的业务报文，所述业务报文的源IP地址属于所述IP地址段，所述业务报文包括所述QoS标记；
    处理模块，用于根据所述QoS标记与所述QoS要求的对应关系为所述业务报文提供QoS。
  8. 根据权利要求7所述的网络设备，其特征在于，所述业务报文还包括企业VLAN标记，所述处理模块具体用于根据所述QoS标记与所述QoS要求的对应关系，和所述企业VLAN标记为所述业务报文提供QoS。
  9. 根据权利要求8所述的网络设备，其特征在于，所述网络设备还包括转换模块，用于根据物理端口将所述企业VLAN标记转换为端口VLAN标记； 所述处理模块具体用于根据所述端口VLAN标记和所述QoS标记区分不同企业的不同业务报文，并为所述业务报文提供QoS。
  10. 一种为业务报文提供服务质量QoS的系统，其特征在于，包括：根据权利要求1-3任一所述的网络设备，根据权利要求4-6任一所述的网络设备，根据权利要求7-9任一所述的网络设备。
  11. 一种为业务报文提供服务质量QoS的方法，所述方法应用于一种为业务报文提供服务质量QoS的系统，所述系统包括第一网络设备，第二网络设备，和第三网络设备，所述第一网络设备位于企业网络的出口网关处，所述第二网络设备位于运营商网络，所述第三网络设备是所述企业网络接入所述运营商网络的接入设备，其特征在于，包括：
    所述第二网络设备获取所述企业网络内的虚拟局域网VLAN对应的IP地址段；
    所述第二网络设备根据预先配置的QoS策略给所述IP地址段分配QoS标记，所述QoS策略包括所述IP地址段与所述QoS标记的对应关系，以及所述QoS标记与QoS要求的对应关系；
    所述第二网络设备将所述IP地址段与所述QoS标记的对应关系发送给所述第一网络设备；
    所述第二网络设备将所述QoS标记与QoS要求的对应关系发送给所述第三网络设备。
  12. 根据权利要求11所述的方法，其特征在于，所述QoS标记包括802.1P标记、差分服务代码点DSCP标记和服务类型ToS标记中的一种。
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