CN105409184A - A residential gateway device and a network-side control device - Google Patents
A residential gateway device and a network-side control device Download PDFInfo
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- CN105409184A CN105409184A CN201380078483.0A CN201380078483A CN105409184A CN 105409184 A CN105409184 A CN 105409184A CN 201380078483 A CN201380078483 A CN 201380078483A CN 105409184 A CN105409184 A CN 105409184A
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- 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]
- H04L12/2803—Home automation networks
- H04L12/283—Processing of data at an internetworking point of a home automation network
- H04L12/2836—Protocol conversion between an external network and a home network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0895—Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
- H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/1301—Optical transmission, optical switches
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13196—Connection circuit/link/trunk/junction, bridge, router, gateway
Abstract
The invention makes a clean separation between data plane and control plane for residential gateway, and proposes a residential gateway device and a network-side control device. The residential gateway device is provided with data plane functionalities of residential gateways, wherein, the data plane functionalities of residential gateways comprises: Layer 3/4 packet processing functionalities of residential gateways; and the residential gateway device further comprises: a first interface, for exchanging control information about data plane functionalities of residential gateways, with a network-side control device provided with the control plane functionalities of residential gateways; and a controller, for configuring the data plane functionalities of residential gateways according to the control information from the network-side control device. And the network-side control device is provided with control plane functionalities of residential gateways, wherein, the network-side control device is without data plane functionalities of residential gateways, said data plane functionalities of residential gateways comprising: Layer 3/4 packet processing functionalities of residential gateways.
Description
Technical field
The present invention relates to access network.
Background technology
Access network operator just little by little develops on the direction of virtual residential home network gateway function.As shown in Figure 1, virtual residential gateway vRG is designed to virtualized mode process user's control plane and user data plane:
-control plane: the control plane agreement of LAN side and WAN-side all needs by vRG process, these agreements are such as that IP forwards (Dynamic Host Configuration Protocol server, dhcp client, ARP, ICMP, pppoe client etc.), NAPT (PCP, IGD, DMZ, UPnP etc.), TR-69, VoIP etc., NAPT agreement mainly meets the needs of IPv4, and also can meet the needs that IPv6 provides simple security measures.
-datum plane: the forwarding of IPv4/IPv6 user data packets, NAPT, QoS, VoIP etc. for IPv4.
VRG needs the outside all information (intelligence) existed in home networking gateway being moved to home network, and in these information of network-side virtualization.Thisly virtually to drive primarily of following factors:
The saving of-OPEX (operational overhead).Because each residential home gateway is only equipped with the simple functions of such as Ethernet exchanging, thus the cost of gateway device is very low, thus reduces the total cost of the access network comprising hundreds of gateway devices.
The flexibility of-deployment new business---the advantage of the marketization in time.If need to dispose new business/strategy, this business/strategy can realize in vRG instead of in residential home gateway device.Business/strategy is disposed relatively faster in vRG, and lower than upgrading all residential home gateway costs, and therefore this business/strategy can be put on market within the shortest deployment time.
-less-restrictive to technological evolvement (such as, agreement etc.)---efficient on the time.VRG has very strong calculating/disposal ability usually, is thus easy to upgrading to support new agreement.Traditional residential home gateway device does not have this extensibility, is therefore difficult to carry out upgrading to support new agreement.
Summary of the invention
In existing virtual residential gateway solution, vRG is embodied as the server capability (outside at family gateway equipment) of centralization, its management and control user controls and user data packets process.But data plane functions but consumes large energy-handling capability.Because it is centralized, this may become the Main Bottleneck of user data service process.Such as, in vRG, perform layer 3/ layer of 4 packet-processing functions such as such as network address translation, interblock interference, fire compartment wall.Therefore, vRG must have very powerful disposal ability to support these functions.When the scale of access network increases, disposal ability needs to improve equally.This can by being distributed to the process of datum plane on the multiple server cards in vRG and adding more server card to realize, but these functions are still arranged in vRG in itself, and the complexity of vRG and cost are still in increase.Therefore, centralized vRG is not extendible.
The basic conception of embodiments of the invention is separated clearly between datum plane and control plane: the process of vRG control protocol is concentrated in network controls equipment, and user data plane process is distributed in subscriber household gateway device.Because datum plane process is distributed, this provide better extendible solution.
Based on this basic conception, first aspect of the present invention proposes the residential gateway device of the data plane functions with residential gateway, and wherein, the data plane functions of this residential gateway comprises:
Layer 3/ layer of 4 packet-processing function of-residential gateway;
Residential gateway device also comprises:
-first interface, for the control information relevant to the data plane functions of network controls devices exchange and residential gateway, this network controls equipment is by the control plane function be equipped with residential gateway;
-controller, for being configured according to the data plane functions of control information to residential gateway from network controls equipment.
In in first, providing layer 3/ layer of 4 packet-processing function in residential gateway device.Along with the increase of network size, 3/ layer of 4 packet transaction of the layer in residential gateway device instead of in vRG in implementation data plane, therefore, vRG can not become the bottleneck of data plane functions, and therefore whole access network is more easily expanded.
In a preferred embodiment, layer 3/ layer of 4 packet-processing function of residential gateway at least comprises any one in following function: based on the IP route of IP address search; Network address translation; Interblock interference and fire compartment wall.
This embodiment proposes and can be distributed among residential gateway device, to alleviate the processing load of vRG and to strengthen several layers specifically 3/ layer of 4 packet-processing function of expandability.
In a preferred embodiment, residential gateway device adopts open flows (OpenFlow) switch defined by software defined network framework, and first interface is used for the form of open flows/configuration (OpenFlow/Config) agreement and the control information of network controls devices exchange.
In this embodiment, SDN (software defined network) framework may be used for an example in multiple examples that datum plane is separated with control plane, wherein: home dwelling gateway serves as OpenFlow switch; And work as OpenFlow/Config control point as the network controls filling apparatus of vRG, and use OpenFlow/Config with configuration data plane on household equipment.
In a preferred embodiment, residential gateway device is used for the access network of any one type in following classes: EPON; GPON; XGPON; 10GEPON and DSL.
In the preferred embodiment, different access technologies can be supported.It should be noted that, the design of each embodiment of the present invention is set in the residential gateway device of any kind by layer 3/ layer of 4 packet transaction, and control plane is set in the network element in carrier network, therefore the present invention does not rely on concrete access technology, but can use any access technology.
In a preferred embodiment, residential gateway device wherein comprises the optical network unit of GPON, and the optical network unit as residential gateway device comprises:
-OpenFlow territory, it comprises OpenFlow switch and OpenFlow protocol stack; And
-GPON territory, transmit tunnel for setting up and safeguarding with the GPON of network controls equipment, described tunnel is used for OpenFlow/Config protocol form bear control information.
This embodiment proposes the certain architectures for realizing layer 3/ layer of 4 process in the optical network unit (ONU) of GPON.A GPON territory is provided, for setting up and safeguarding necessary GPON communication path, with the control information of bearing bed 3/ layer of 4 process in ONU; And provide an OpenFlow territory, for realizing layer 3/ layer of 4 process according to control information.This embodiment offers the hierarchy of ONU.
In a preferred embodiment, GPON territory uses ONT to manage control interface (OMCI) and sets up and safeguard and transmit tunnel with the GPON of network controls equipment, and this GPON territory has Virtual Ethernet point (VEIP), be connected for carrying out interface with OpenFlow territory and exchange OpenFlow/Config data transmitting between tunnel and OpenFlow territory.
This embodiment makes OMCI interface be suitable for safeguarding that GPON transmits tunnel, and makes VEIP interface be suitable for exchanging the control information for layer 3/ layer of 4 processing capacity.OMCI interface and VEIP interface itself are existing interfaces, but these interfaces are adjusted to the exchange of the control information of supporting layer 3/ layer of 4 processing capacity by this embodiment.Therefore, this embodiment can be incorporated in ONU easily.
In a preferred embodiment, optical network unit use ONT manage control interface (OMCI) managed entity receive OpenFlow/Config control information, and this managed entity comprise following in any one:
-for quoting the managed entity mark that OpenFlow controls;
-OpenFlow version;
The position of-network controls equipment;
-TCP/UDP configuration data ME pointer;
-for setting up the parameter in the tunnel of OpenFlow/Config agreement.
This embodiment proposes the new OMCI managed entity for carrying OpenFlow/Config data.
According to a second aspect of the invention, provide network controls equipment, described network controls equipment is by the control plane function be equipped with residential gateway, wherein, described network controls equipment does not have the data plane functions of residential gateway, and the data plane functions of described residential gateway comprises layer 3/ layer of 4 packet-processing function of residential gateway.
In a second aspect, described network controls equipment by as vRG, and is equipped with control plane function, but does not but have layer 3/ layer of 4 packet-processing function of residential gateway.VRG is no longer the bottleneck of user data process, and therefore access network is more easily expanded.
In a preferred embodiment, layer 3/ layer of 4 packet-processing function of residential gateway at least comprises any one in following function: based on the IP route of IP address search; Network address translation; Interblock interference and fire compartment wall.
In a preferred embodiment, the control plane function of residential gateway at least comprise following in any one: NAT binds control; Firewall access controls list management; PPPoE control signal; Dhcp client; Dynamic Host Configuration Protocol server; UPnP server or DLNA server and configuration management.
This embodiment proposes some the concrete control plane function for controlling 3/ layer of 4 grouping of house gateway processes layer.
In a preferred embodiment, network controls equipment comprises: the second interface, and for exchanging the relevant control information of the data plane functions of residential gateway to residential gateway device, described residential gateway device is by the data plane functions be equipped with residential gateway.
In this embodiment, network controls equipment has interface, and described interface is used for control information to be sent to residential gateway, to process layer 3/ layer of 4 grouping.
In a preferred embodiment, network controls filling apparatus is when the OpenFlow/Config control point defined by software defined network framework, and the second interface is used for the form of OpenFlow/Config agreement and residential gateway device exchange of control information.
In this embodiment, SDN (software defined network) framework is used for being separated of datum plane and control plane.
In a preferred embodiment, network controls equipment adopt following in any one realize: Digital Subscriber Line Access Multiplexer; Optical line terminal; Wideband network gateway and cloud equipment.
This embodiment proposes, and the network controls equipment as vRG can be arranged in the various network elements of different types of access network of such as DSL or PON.In fact, design of the present invention is that the control plane of RG is concentrated on the vRG being arranged in carrier network, and this vRG can realize in different network elements and unrestricted.
In a preferred embodiment, network controls equipment is realized in optical line terminal, and this network controls equipment use ONT manages control interface (OMCI) and sets up and safeguard and transmit tunnel with the GPON of residential gateway device, described tunnel is for OpenFlow/Config protocol form bear control information.
This embodiment makes OMCI interface be suitable for safeguarding that GPON transmits tunnel.OMCI interface itself is existing interface, and this embodiment makes this interface be suitable for supporting the exchange of control information.Therefore, this embodiment can be incorporated in GPON easily.
In a preferred embodiment, wherein network controls equipment is for transmitting the OpenFlow/Config control information in managed entity, and this managed entity comprise following in any one:
-for quoting the managed entity mark that open flows controls;
-OpenFlow version;
The position of-network controls equipment;
-TCP/UDP configuration data ME pointer;
-for setting up the parameter in the tunnel for OpenFlow/Config agreement.
This embodiment proposes the new managed entity for carrying OpenFlow/Config data.
These features of the embodiment of the present invention and other feature describe in embodiment part below, or based on embodiment below, it will be known by those skilled in the art.
Accompanying drawing explanation
By reading the description below in conjunction with the non-limiting example of accompanying drawing, each feature of the present invention, aspect and advantage will be known.
Fig. 1 schematically shows the transformation of the virtual residential gateway from the traditional residential gateway device home network to network side;
The function that Fig. 2 schematically shows between datum plane according to an embodiment of the invention between residential gateway and virtual residential gateway and control plane is separated;
Fig. 3 schematically shows the realization based on software defined network Fig. 2 embodiment;
Fig. 4 schematically shows the realization of Fig. 3 embodiment in GPON access network according to one embodiment of present invention;
Fig. 5 schematically shows the realization of ONU in Fig. 4 according to one embodiment of present invention;
Fig. 6 schematically shows the OMCI model transmitting OpenFlow/Config data according to one embodiment of present invention.
Embodiment
With reference to figure 2, the application provides the residential gateway device of the data plane functions with residential gateway in customer site, and wherein, the data plane functions of residential gateway comprises:
Layer 3/ layer of 4 packet-processing function of-residential gateway;
And residential gateway device also comprises:
-first interface, for the control information relevant to the data plane functions of network controls devices exchange and residential gateway, this network controls equipment is by the control plane function be equipped with residential gateway;
-controller, for being configured according to the data plane functions of control information to residential gateway from network controls equipment.
The application provides network controls equipment at network side (namely in the operator network), and it is by the control plane function be equipped with residential gateway.Wherein, this network controls equipment does not have the data plane functions of residential gateway, and the data plane functions of described residential gateway comprises: layer 3/ layer of 4 packet-processing function of residential gateway.As shown in Figure 2, in this application, also network controls equipment is called vRG (virtual residential gateway).As shown in Figure 2, network controls equipment vRG also comprises: the second interface, and for exchanging the relevant control information of the data plane functions of residential gateway to residential gateway device, described residential gateway device is by the data plane functions be equipped with residential gateway.
As shown in Figure 2, vRG and residential gateway RG communicates each other via the special controllability path between second interface of vRG and the first interface of RG.This controllability path represented by dashed line in fig. 2.It should be noted that this controllability path is logic communication tunnel.There is the physical communication paths of this controllability path between carrying carrier network and residential gateway RG: the access device in carrier network sets up the communication path with residential gateway RG.This communication path indicated by the solid line in Fig. 2.The realization more specifically of communication path will be described in the following description.
In fig. 2, network controls equipment vRG is depicted as the frame be separated with access device, but this is just for representing that the function between the access function of carrier network and the control plane function of residential gateway RG is separated.In practical implementations, network controls equipment vRG can be implemented in (such as OLT described below) within access device, or be implemented in Digital Subscriber Line Access Multiplexer (DSLAM), or be implemented in wideband network gateway (BNG); Alternatively, network controls equipment vRG also can be independently network element, and it is connected to residential gateway RG via all access devices cloudlike equipment.It will be appreciated by those skilled in the art that, network controls equipment vRG can be implemented in any network element in carrier network, thus concentrates the control plane function of layer 3/ layer of 4 packet transaction of residential gateway.
More specifically, layer 3/ layer of 4 packet-processing function of the residential gateway realized by residential gateway device at least comprises any one in following function:
-based on the IP route of IP address search;
-network address translation;
-interblock interference; And
-fire compartment wall.
It should be noted that above-mentioned functions is only example, and any function of management and control layer 3/ layer of 4 packet transaction all should be considered to be the function of layer 3/ layer of 4 packet transaction, and therefore fall within scope of the present invention.
Correspondingly, the control plane function of residential gateway realized by network controls equipment vRG at least comprise following in any one:
-NAT binds control;
-fire compartment wall access control lists manages;
-for setting up PPP connection, keeping session activation and removing the PPPoE control signal of session;
The dhcp client of-acquisition IP address;
-for being connected to the Dynamic Host Configuration Protocol server of the IP host assignment IP address of residential gateway;
-UPnP (UPnP) server or DLNA (DLNA) server; And
-configuration management (WiFi/ speech/the Internet is arranged).
Description above describes being separated by the datum plane between residential gateway device RG proposed by the invention and network controls equipment vRG and control plane.The concrete methods of realizing of RG and vRG will be provided hereinafter.
The one that the present invention proposes based on software defined network (SDN) realizes.Particularly, SDN framework can be can be used in an example in multiple examples that datum plane is separated with control plane, wherein:
-using residential gateway device RG as the OpenFlow switch defined by software defined network framework; And
-using network controls equipment vRG as the OpenFlow/Config control point defined by software defined network framework.
More specifically, second interface of network controls equipment vRG and the first interface of residential gateway device RG use OpenFlow/Config agreement to exchange the control information of control plane.It should be noted that, SDN is a kind of by the technology of extensive discussions, and those skilled in the art understand how adjust according to the general definition in SDN or expand OpenFlow switch, OpenFlow/Config control point and OpenFlow agreement, thus realizing the function of residential gateway and network controls equipment, this specification will no longer provide unnecessary details.
Fig. 3 gives as above based on the schematic diagram of the above-mentioned realization of SDN, and access device is implemented as DSLAM wherein.In this embodiment, access network is DSL network.It should be noted that design and the access technology of embodiments of the invention have nothing to do, the datum plane namely between RG and carrier network and the separation between control plane and access technology have nothing to do.In other embodiments, residential gateway device and corresponding access device are used for EPON, GPON, XGPON or 10GEPON.
Fig. 4 gives a kind of schematic diagram realized based on GPON.In this embodiment, residential gateway device RG is implemented as optical network unit (ONU), and access device is implemented as optical line terminal (OLT).
When GPON access network and XGPON access network or NGPON access network, need the communication path being provided in advance carrying OpenFlow/Config agreement between the residential gateway device RG as OpenFlow switch and the network controls equipment as OpenFlow controller.In GPON, this communication path comprises GPON physical layer and L2 (comprising OF-VLAN, QoS etc.), and manages control interface (OMCI) by ONT and provide from OLT.OMCI is the general-purpose interface defined in GPON standard.But embodiments of the invention make OMCI be suitable for exchanging OpenFlowConfig data.
More specifically, (namely embodiments of the invention also create new management domain in ONU, OpenFlow territory), advise reusing the dual command ONU model defined in II.2 G.988, for providing OpenFlow communication path L3 and application layer parameter (comprising OF-IP address, TCP, UDP etc.) by OMCI from OLT in G.988.OMCI framework model sets up open flows communication path and GPON data path.Whole OMCI model obtains two management domains be separated by using standard VEIP concept: OpenFlow territory and OMCI territory.
As shown in Figure 5, the optical network unit ONU as residential gateway device comprises:
-OpenFlow territory, comprising OpenFlow switch and OpenFlow protocol stack; And
-GPON territory, transmit tunnel for setting up and safeguarding with the GPON of network controls equipment, described tunnel is used for OpenFlow/Config protocol form bear control information.
As shown in Figure 5, GPON territory uses ONT to manage control interface (OMCI) to set up and safeguard and transmit tunnel with the GPON of network controls equipment.GEM (GPON method for packing) is used to the transmission tunnel with OLT, to carry OpenFlowConfig data.Virtual Ethernet point (VEIP) is used to carry out interface with OpenFlow territory and is connected, and is used to exchange OpenFlow/Config data between transmission tunnel and OpenFlow territory.
Fig. 6 schematically shows the OMCI model transmitting OpenFlow/Config data according to one embodiment of present invention.It is OpenFlowConfig data inserted in VEIP that the one that embodiments of the invention propose is improved.The remainder of OMCI model and current standard class are seemingly.VEIP model is consistent with the regulation in II.2 G.988.
Network controls equipment in OLT for transmitting the OpenFlow/Config control information in managed entity, and uses ONT management control interface (OMCI) management entity to receive OpenFlow/Config control information as the optical network unit of residential gateway device.Managed entity comprise following in any one:
-for quoting the managed entity mark that OpenFlow controls;
-OpenFlow version;
The position of-network controls equipment;
-TCP/UDP configuration data ME pointer;
-for setting up the parameter in the tunnel for OpenFlow agreement.
This specification and accompanying drawing merely illustrate principle of the present invention.Therefore, it should be understood that those skilled in the art can design different layouts, although these layouts clearly do not describe in this article and illustrate, but can realize principle of the present invention and fall within the spirit and scope of the present invention.And, herein in all example principles of describing only for representing the object of guidance, to help reader understanding's principle of the present invention and inventor to make the design of contribution further to prior art, and be regarded as not limiting the multiple example specifically described and condition.And all of principle of the present invention, aspect and the embodiment quoted from herein describe and concrete example wherein, are all intended to the equivalent comprised wherein.
The function of the different elements illustrated in various figures, wherein comprises any functional block being marked as " processor ", can be provided by the hardware using specialized hardware and use can perform the software relevant to suitable software.When being provided each function by processor, the multiple independent processor that function can be able to be shared by single application specific processor or single share processor or some processor wherein provides.And, clearly using of term " processor " or " controller " can not be considered as being that quote exclusively can the hardware of executive software, but be regarded as and can impliedly comprise digital signal processor (DSP) hardware, network processing unit, application-specific integrated circuit (ASIC) (ASIC), field programmable gate array (FPGA), be used for the read-only memory (ROM) of storing software, random access storage device (RAM) and non-volatile memory by without stint.Also other conventional hardware and/or custom hardware can be comprised.Equally, any switch illustrated in the accompanying drawings is all only conceptual.The function of switch can be operated by programmed logic, by special logic, by the mutual of program control and special logic or or even manually implement, concrete technological means can more specifically be understood according to situation by realizing personnel and select.
Claims (15)
1. have a residential gateway device for the data plane functions of residential gateway, wherein the described data plane functions of residential gateway comprises:
Layer 3/ layer of 4 packet-processing function of-residential gateway;
And described residential gateway device also comprises:
-first interface, for the control information relevant to the described data plane functions of network controls devices exchange and residential gateway, described network controls equipment is by the control plane function be equipped with residential gateway; And
-controller, for being configured according to the described data plane functions of described control information to residential gateway from described network controls equipment.
2. residential gateway device according to claim 1, wherein described layer 3/ layer of 4 packet-processing function of residential gateway at least comprises any one in following function:
-based on the IP route of IP address search;
-network address translation;
-interblock interference; And
-fire compartment wall.
3. residential gateway device according to claim 1, wherein said residential gateway device is as the OpenFlow switch defined by software defined network framework; And
Described first interface is used for control information described in the form of OpenFIow/Config agreement and described network controls devices exchange.
4. residential gateway device according to claim 3, wherein said residential gateway device is used for the Access Network of any one type in following classes:
-EPON；
-GPON；
-XGPON；
-10GEPON; And
-DSL。
5. residential gateway device according to claim 4, wherein said residential gateway device comprises the optical network unit of GPON,
Described optical network unit, as described residential gateway device, comprising:
-OpenFlow territory, it comprises OpenFlow switch and OpenFlow protocol stack; And
-GPON territory, transmits tunnel for setting up and safeguarding with the GPON of described network controls equipment, and described tunnel is used for carrying described control information with OpenFIow/Config protocol form.
6. residential gateway device according to claim 5, wherein said GPON territory uses ONT to manage control interface (OMCI) and sets up and safeguard and transmit tunnel with the described GPON of described network controls equipment, and
Described GPON territory has Virtual Ethernet point, is connected for carrying out interface with described OpenFlow territory, and for exchanging OpenFlow/Config data between described transmission tunnel and described OpenFlow territory.
7. residential gateway device according to claim 5, wherein said optical network unit uses ONT to manage control interface (OMCI) managed entity and receives OpenFlow/Config control information, and described managed entity comprise following in any one:
-identify for the managed entity controlled with reference to OpenFlow;
-OpenFlow version;
The position of-described network controls equipment;
-TCP/UDP configuration data ME pointer;
-for setting up the parameter in the described tunnel for OpenFlow/Config agreement.
8. a network controls equipment, described network controls equipment by the control plane function be equipped with residential gateway, wherein
Described network controls equipment does not have the data plane functions of residential gateway, and the described data plane functions of residential gateway comprises:
Layer 3/ layer of 4 packet-processing function of-residential gateway.
9. network controls equipment according to claim 8, wherein described layer 3/ layer of 4 packet-processing function of residential gateway at least comprises any one in following function:
-based on the IP route of IP address search;
-network address translation;
-interblock interference; And
-fire compartment wall.
10. network controls equipment according to claim 8, wherein the described control plane function of residential gateway at least comprise following in any one:
-NAT binds control;
-firewall access controls list management;
-PPPoE control signal;
-dhcp client;
-Dynamic Host Configuration Protocol server;
-UPnP server or DLNA server; And
-configuration management.
11. network controls equipment according to claim 9, wherein said network controls equipment comprises:
Second interface, for exchanging the control information relevant with the described data plane functions of residential gateway to residential gateway device, described residential gateway device is by the described data plane functions be equipped with residential gateway.
12. network controls equipment according to claim 11, wherein said network controls equipment as the OpenFlow/Config control point defined by software defined network framework, and
Described second interface is used for exchanging described control information with the form of OpenFlow/Config agreement and described residential gateway device.
13. network controls equipment according to claim 12, are implemented in any one of wherein said network controls equipment in following:
-Digital Subscriber Line Access Multiplexer;
-optical line terminal;
-wideband network gateway;
-cloud equipment.
14. network controls equipment according to claim 12, wherein realize described network controls equipment in described optical line terminal, and
Described network controls equipment use ONT manages and control interface (OMCI) is set up and safeguard and transmit tunnel with the GPON of described residential gateway device, and described tunnel is for carrying described control information with OpenFlow/Config protocol form.
15. network controls equipment according to claim 12, wherein said network controls equipment for transmitting the OpenFlow/Config control information in managed entity, and described managed entity comprise following in any one:
-identify for the managed entity controlled with reference to OpenFlow;
-OpenFlow version;
The position of-described network controls equipment;
-TCP/UDP configuration data ME pointer;
-for setting up the parameter in the described tunnel for OpenFlow/Config agreement.
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| PCT/CN2013/082441 WO2015027405A1 (en) | 2013-08-28 | 2013-08-28 | A residential gateway device and a network-side control device |
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| CN105409184B CN105409184B (en) | 2019-05-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017177619A1 (en) * | 2016-04-11 | 2017-10-19 | 中兴通讯股份有限公司 | Sdn/nfv open access network system, and method and device for managing onu |
| CN108243080A (en) * | 2016-12-23 | 2018-07-03 | 中国移动通信有限公司研究院 | Optical network unit Intelligentized method and device |
| WO2021016869A1 (en) * | 2019-07-30 | 2021-02-04 | Alibaba Group Holding Limited | Apparatus and method for controlling data transmission in network system |
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| ES2642540T3 (en) | 2014-06-06 | 2017-11-16 | Huawei Technologies Co., Ltd. | Procedure, apparatus and information interaction system in an access network |
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| WO2009080398A1 (en) * | 2007-12-20 | 2009-07-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Ims-based discovery and control of remote devices |
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| WO2017177619A1 (en) * | 2016-04-11 | 2017-10-19 | 中兴通讯股份有限公司 | Sdn/nfv open access network system, and method and device for managing onu |
| CN108243080A (en) * | 2016-12-23 | 2018-07-03 | 中国移动通信有限公司研究院 | Optical network unit Intelligentized method and device |
| CN108243080B (en) * | 2016-12-23 | 2020-04-14 | 中国移动通信有限公司研究院 | Intelligent method and device for optical network unit |
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| WO2015027405A1 (en) | 2015-03-05 |
| CN105409184B (en) | 2019-05-17 |
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