CN109600682B - Network system - Google Patents
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- CN109600682B CN109600682B CN201811552322.1A CN201811552322A CN109600682B CN 109600682 B CN109600682 B CN 109600682B CN 201811552322 A CN201811552322 A CN 201811552322A CN 109600682 B CN109600682 B CN 109600682B
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- 230000003287 optical effect Effects 0.000 claims abstract description 93
- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 230000002776 aggregation Effects 0.000 claims abstract description 25
- 238000004220 aggregation Methods 0.000 claims abstract description 25
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000004308 accommodation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
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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]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2858—Access network architectures
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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]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/287—Remote access server, e.g. BRAS
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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
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0826—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability for reduction of network costs
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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
- H04L41/0893—Assignment of logical groups to network elements
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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
- H04L41/12—Discovery or management of network topologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a network system including: the system comprises a centralized router, a convergence switch and optical transmission equipment; the aggregation switch is respectively connected with the centralized router, the optical transmission equipment and a broadband access server BRAS of an operator, the optical transmission equipment is connected with user equipment, and the user equipment transmits data through the optical transmission equipment, the centralized router, the aggregation switch and the broadband access server BRAS of the operator. Compared with the prior art, for the user, no routing equipment or access switch is needed to be deployed, and the capital investment is reduced. For maintenance personnel, routing equipment or access switches do not need to be arranged in hotels, so that maintenance of equipment such as routers is omitted, and maintenance pressure is reduced.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a network system.
Background
The network television is based on a broadband high-speed IP network, takes network video resources as a main body, takes a television, a personal computer and handheld equipment as display terminals, and is accessed to the broadband network through a set top box or a computer to realize services such as a digital television, a time-shifted television, an interactive television and the like. The network television brings a brand new television watching method for people, changes the traditional passive television watching mode and improves the watching experience of people. Hotels are users with great demands on network televisions, and almost every guest room of each hotel is provided with the network television.
In the prior art, a network topology for accessing video resources by a hotel TV set-top box is shown in fig. 1, and the TV set-top box firstly converges to a switch of each hotel through a local area network, then accesses to a corresponding router, an optical transmission device and an operator access device, and then accesses to a video resource server to view video services. However, when the network topology is used, the investment of the routing switching equipment is too large for hotels, and the cost is high.
Disclosure of Invention
The invention provides a network system, which is used for solving the problem that in the prior art, the investment of users for deploying switching routing equipment is overlarge.
The present invention provides a network system including:
the system comprises a centralized router, a convergence switch and optical transmission equipment;
the aggregation switch is respectively connected with the centralized router, the optical transmission equipment and a broadband access server BRAS of an operator, the optical transmission equipment is connected with user equipment, and the user equipment transmits data through the optical transmission equipment, the centralized router, the aggregation switch and the broadband access server BRAS of the operator.
Optionally, the optical transmission device includes: an optical line terminal OLT and an optical network unit ONU;
the optical line terminal OLT is connected with the aggregation switch, and the optical network unit ONU is connected with the user equipment.
Optionally, when the user equipment includes at least two set top boxes, the optical network unit ONU is connected to the at least two set top boxes.
Optionally, when the user equipment includes an access switch and at least two set top boxes, the ONU is connected to the access switch, and the access switch is connected to the at least two set top boxes.
Optionally, the aggregation switch is configured in QinQ mode.
Optionally, the centralized router is configured with different inner virtual local area networks VLAN, and the inner virtual local area networks VLAN correspond to the private network address network segments corresponding to the user equipment one to one.
Optionally, a home gateway unit HGU type ONU terminal generic line template and a service template are created on the optical line terminal OLT.
Optionally, the ONU is configured with a pre-created generic service interface template.
Optionally, an outer VLAN in the QinQ mode is marked on an upper connection port of the ONU, and an inner VLAN is marked on a lower connection port of the ONU.
Optionally, the optical network unit ONU is connected to the user equipment through an ethernet port.
The network system provided by the invention can realize the data transmission between the user equipment and the broadband access server BRAS of the operator by arranging the centralized router in the operator room, respectively connecting the convergence switch with the centralized router, the optical transmission equipment and the broadband access server BRAS of the operator, connecting the optical transmission equipment with the user equipment and correspondingly configuring each component. For maintenance personnel, the hotel does not need to deploy the routing equipment, so that the maintenance of the routing equipment is omitted, and the maintenance pressure is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a network topology provided in the prior art;
fig. 2 is a schematic topology diagram of a first embodiment of a network system provided by the present invention;
fig. 3 is a schematic topology diagram of a second embodiment of the network system provided by the present invention;
fig. 4 is a schematic diagram of another topology structure of a second embodiment of the network system provided by the present invention;
fig. 5 is a schematic topology diagram of a third embodiment of a network system provided by the present invention;
fig. 6 is a schematic diagram of another topology structure of a third embodiment of the network system provided by the present invention;
fig. 7 is a schematic diagram of another topology structure of a third embodiment of the network system provided by the present invention.
Description of reference numerals:
10. a centralized router;
11. a convergence switch;
12. an optical transmission device;
121: an optical line terminal OLT;
122: an optical network unit ONU.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following explains terms related to the present invention:
broadband Access Server (BRAS): it is a new type access gateway facing wideband network application, it is positioned in the edge layer of backbone network, and can implement data access of IP/ATM network of user bandwidth.
Optical Line Terminal (Optical Line Terminal, abbreviated as OLT): is a terminal device for connecting optical fiber trunk lines.
Optical Network Unit (Optical Network Unit, ONU for short): the optical network unit is divided into an active optical network unit and a passive optical network unit. The PON uses a single fiber to connect to the OLT, which then connects to the ONUs.
For each large operator, enterprises such as hotels, resorts and the like which provide accommodation have become important targets of services due to the huge demand on network televisions. How to provide network television services with low cost, less failure and high video quality for these enterprises is a key consideration for operators. In the prior art, a hotel is taken as an example, and the purpose of accessing network video resources by each guest room is realized by adopting a network topology structure as shown in fig. 1.
The network topology shown in fig. 1 is explained below:
the first layer is the network television set-top box of each hotel, and fig. 1 shows that the number of the set-top boxes included in each hotel is 1, for example, hotel a corresponds to set-top box 1, hotel B corresponds to set-top box 2, and hotel … E corresponds to set-top box 5, it can be understood by those skilled in the art that the number of the set-top boxes included in each hotel can be multiple, and when the number of the set-top boxes included in each hotel is multiple, the set-top boxes can be firstly converged to the access switch of the hotel through the local area network, and then the second layer of equipment shown in fig. 1 is accessed through the access switch of. The second layer is the router of each hotel. The third layer and the fourth layer are optical transmission devices. The fifth layer is the operator core switch. The sixth layer is the broadband access server BARS of the operator. After the router of each hotel is accessed to the core switch and the broadband access server BARS of the operator through the optical transmission equipment of the third layer and the fourth layer, the access to the network video resource can be realized through the broadband access server BARS of the operator.
However, the network topology shown in fig. 1 has the following problems:
1. for hotels, if the topology structure is adopted to access network video resources, routers and access switches need to be deployed. The larger the hotel scale, the higher the router performance requirements, the greater the number of access switches, and the higher the cost.
2. For maintenance personnel, most hotels have poor understanding of network devices, the performance of purchased devices such as routers and switches is often low, and the maintenance pressure of the maintenance personnel is high due to frequent faults such as heating, blockage and high time delay caused by performance problems.
In order to solve the above technical problem, the present invention provides a network system, which does not need the second layer device (router of each hotel) shown in fig. 1, and only needs to set a centralized router at the operator, connect the centralized router with the broadband access server BARS through the core switch of the operator, and perform corresponding configuration on each component, so as to realize the access of each hotel set-top box to the network video resource. Compared with the prior art shown in the figure 1, routing equipment does not need to be deployed for hotels, and the capital investment is reduced. For maintenance personnel, the hotel does not need to deploy the routing equipment, so that the maintenance of the routing equipment is omitted, and the maintenance pressure is reduced.
The following describes the technical solutions of the present invention and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
Example one
Fig. 2 is a schematic topology diagram of a first embodiment of a network system provided in the present invention. As shown in fig. 2, the network system provided in this embodiment includes:
a centralized router 10, a convergence switch 11, and an optical transmission device 12;
the aggregation switch 11 is connected to the centralized router 10, the optical transmission device 12, and a broadband access server BRAS of an operator, respectively, the optical transmission device 12 is connected to a user device, and the user device transmits data through the optical transmission device 12, the centralized router 10, the aggregation switch 11, and the broadband access server BRAS of the operator.
Fig. 2 illustrates three groups of optical transmission devices 12, where each group of optical transmission devices 12 corresponds to a group of user devices. Specifically, referring to fig. 2, a first layer of the network system provided in this embodiment is a user equipment, a second layer is an optical transmission device 12, a third layer is a convergence switch 11 and a centralized router 10, the centralized router 10 is connected to the convergence switch 11, and a fourth layer is a broadband access server BRAS of an operator. The user equipment realizes data transmission with the broadband access server BRAS of the operator through the optical transmission equipment 12 of the second layer, the aggregation switch 11 of the third layer and the centralized router 10.
In terms of internal configuration, the port of the aggregation switch 11 is configured in a QinQ mode, and the QinQ mode plans an outer VLAN, and the centralized router 10 is configured with different inner VLANs, each of which serves as a three-layer interface and is allocated with an independent DHCP pool group to isolate different user networks. The inner VLAN configured by the centralized router 10 corresponds to the private network address segments of the user equipment one to one. The optical transmission device 12 connected to the user device has a QinQ mode at the upper port and an upper VLAN at the lower port. The adoption of the QinQ mode can greatly save the usage amount of the VLAN in the metropolitan area network.
The process of accessing the network video resource by the user equipment is as follows: taking the leftmost user equipment in fig. 2 as an example, the user equipment generates an access request according to the on-demand of the user at the client, the access request includes the video content requirement that the user requests to access, the user equipment further sends the access request to the optical transmission equipment 12, the optical transmission equipment 12 marks a corresponding inner-layer VLAN on a lower connection port according to the private network address of the user equipment, marks an outer-layer VLAN on an upper connection port, the optical transmission equipment 12 sends the marked access request to the broadband access server BRAS of the operator through the aggregation switch 11 and the centralized router 10, the broadband access server BRAS of the operator requests the corresponding video resource from the video resource server according to the access request and sends the video resource to the centralized router 10 through the aggregation switch 11, the centralized router 10 sends the video resource to the inner-layer VLAN of the video resource, the video asset is sent to the leftmost user equipment via the optical transmission device 12. Therefore, the user equipment can access the network video resource.
The deployment positions of the components are as follows: the centralized router 10, the aggregation switch 11, and the broadband access server BRAS of the operator are all deployed in an operator room, and may be deployed in one or multiple operator rooms. User devices are deployed at users, such as hotels and hotels. Therefore, for the user, the topology structure shown in fig. 2 is adopted to omit the deployment of the route switching device, thereby reducing the investment in the aspect of the route switching device and saving the cost.
In the network system provided by this embodiment, the centralized router is set in the operator room, the aggregation switch is connected to the centralized router, the optical transmission device and the broadband access server BRAS of the operator, the optical transmission device is connected to the user equipment, and each component is configured correspondingly, so that data transmission between the user equipment and the broadband access server BRAS of the operator can be realized. For maintenance personnel, the hotel does not need to deploy the routing equipment, so that the maintenance of the routing equipment is omitted, and the maintenance pressure is reduced.
Example two
Fig. 3 is a schematic topology structure diagram of a second embodiment of the network system provided by the present invention. The present embodiment describes in detail a network topology when the user equipment is at least two set top boxes. On the basis of the foregoing embodiment, in the network system provided in this embodiment, the optical transmission device 12 includes: an optical line termination OLT121 and an optical network unit ONU 122.
The optical line terminal OLT121 is connected to the aggregation switch 11, and the optical network unit ONU122 is connected to a user equipment. In this embodiment, the user equipment is at least two set top boxes, and therefore, the optical network unit ONU122 is connected to the at least two set top boxes.
When the optical network unit ONU122 is directly connected to the set-top box, the optical network unit ONU122 may also be called a fiber-to-the-building FTTB device. Therefore, in the following description, the optical network unit ONU122 is referred to as FTTB device, and the corresponding topology structure diagram is shown in fig. 4.
Referring to fig. 4, taking a hotel as an example, in the topology structure of this embodiment, the first layer is a set top box of each hotel, the second layer is FTTB equipment, the third layer is an optical line terminal OLT121, the fourth layer is a convergence switch 11 and a centralized router 10, the centralized router 10 is connected with the convergence switch 11, and the fifth layer is a broadband access server BRAS of an operator. The set-top box of each hotel realizes data transmission with the broadband access server BRAS of the operator through the second layer of optical FTTB equipment, the third layer of optical line terminal OLT, the fourth layer of aggregation switch 11 and the centralized router 10.
The configuration of the aggregation switch 11 and the centralized router 10 is similar to the above embodiment in terms of internal configuration, and is not described again here. In this embodiment, since the optical transmission device 12 is composed of the optical line terminal OLT121 and the FTTB device, a common type line template and a service template can be created in the optical line terminal OLT121 on the internal configuration of the optical line terminal OLT 121. On the internal configuration of the FTTB device, a pre-created generic service interface template may be configured on the FTTB device.
For example, the universal service template for the HGU-type ONU terminal of the home gateway-type unit is as follows:
ont-srvprofile gpon profile-id 20profile-name"HUTONG_HGU_4_1_QY2"
ont-port pots 1eth 4
multicast-forward untag
port vlan eth 1translation 12user-vlan 12
port vlan eth 2translation 13user-vlan 13
port vlan eth 3translation 14user-vlan 14
port vlan eth 4translation 15user-vlan 15
port vlan iphost translation 11user-vlan 11
Commit
in this embodiment, the QinQ mode is used for typing the outer VLAN at the upper port of the FTTB device, and the inner VLAN is used for the lower port of the FTTB device. Namely, an inner-layer VLAN is deployed below the FTTB device, an outer-layer VLAN is printed on the FTTB device, and the outer-layer VLAN is transmitted by the FTTB device.
In this embodiment, the process of accessing the network video resource by the set-top box of each hotel is as follows: taking a hotel set-top box 1 as an example, the set-top box 1 generates an access request according to the request of a user at a client, and sends the access request to the FTTB equipment of the second layer, the FTTB equipment marks the corresponding inner layer VLAN for the access request at the downstream port according to the private network address of the user equipment 1, an outer layer VLAN is marked on the upper connection port, the labeled access request is sent to a broadband access server BRAS of an operator through a convergence switch 11 and a centralized router 10, the broadband access server BRAS of the operator requests a corresponding video resource from a video resource server according to the access request, the video resource is sent to the centralized router 10 through the convergence switch 11, and the centralized router 10 sends the video resource to the hotel set-top box 1A through the optical transmission device 12 according to the inner layer VLAN of the video resource, so that the hotel set-top box 1A can access the video resource.
In this embodiment, the FTTB device is deployed at a user, such as a hotel and a hotel. The optical line terminal OLT121 is deployed in an operator room. The deployment of the centralized router 10 and the aggregation switch 11 is referred to the above embodiments, and will not be described herein. Compared with the topology structure in the prior art, the set top box in the embodiment is directly connected with the FTTB device, and for the user, the route switching device does not need to be deployed, so that the investment in the aspect of the route switching device is reduced, and the cost is saved.
The network system provided in this embodiment describes a network topology structure when the user equipment is a set-top box, and configurations of components such as an optical line terminal OLT and an FTTB device in the network topology structure. Under the network topology structure, for a user, the access of the set top box to the network video resource can be realized without deploying route switching equipment, and the cost is saved.
EXAMPLE III
Fig. 5 is a schematic topology structure diagram of a third embodiment of the network system provided in the present invention. The present embodiment describes in detail the network topology when the user equipment comprises an access switch and at least two set-top boxes. Similar to the above embodiments, in this embodiment, the optical transmission device 12 still uses the optical line terminal OLT121 and the optical network unit ONU 122.
The optical line terminal OLT121 is connected to the aggregation switch 11, and the optical network unit ONU122 is connected to an access switch of a hotel. The access switch of the hotel is connected with at least two set-top boxes. When the optical network unit ONU122 is connected to the access switch of the user, the optical network unit ONU122 may also be called an fiber-to-home FTTH device, so in the following description, the optical network unit ONU122 is called an FTTH device, and the corresponding topology structure diagram is shown in fig. 6.
Referring to fig. 6, taking a hotel as an example, in the topology structure of this embodiment, the first layer is a set top box of each hotel, the second layer is an access switch of each hotel, the third layer is FTTH equipment, the fourth layer is an optical line terminal OLT122, the fifth layer is a convergence switch 11 and a centralized router 10, the centralized router 10 is connected with the convergence switch 11, and the sixth layer is a broadband access server BRAS of an operator. The set-top box of each hotel realizes data transmission with the broadband access server BRAS of the operator through the access switch of the second layer, the FTTH equipment of the third layer, the optical line terminal OLT122 of the fourth layer, the convergence switch 11 of the fifth layer and the centralized router 10.
In this embodiment, the lower connection port of the FTTH device is connected to the upper connection port of the hotel access switch through an ethernet port. And the upper port of the FTTH equipment is connected with a QinQ mode to form an outer VLAN. Namely, an inner layer VLAN is deployed below the FTTH device, an outer layer VLAN is printed on the FTTH device, and the outer layer VLAN is transmitted above the FTTH device.
In this embodiment, compared with the above embodiments, the process of accessing the network video resource by the set-top box of each hotel is added with the process of forwarding data by the access switch of the hotel because the access switches of the hotel are more in the topology structure, and the rest of the processes are similar to the above embodiments, and the description of the present invention is omitted here. Compared with the topology structure in the prior art, the set top box in this embodiment directly accesses the FTTH device after accessing the access switch of the user, and does not need to deploy the routing device for the user, thereby reducing the investment in the routing device and saving the cost.
The network system provided in this embodiment describes a network topology structure when the user equipment is an access switching device and a set-top box, and configurations of components such as an optical line terminal OLT and an FTTB device in the network topology structure. Under the network topology structure, for a user, the access of the set top box to the network video resource can be realized without deploying route switching equipment, and the cost is saved.
It can be understood by those skilled in the art that, taking a hotel as an example, as shown in fig. 7, in the case that some user devices of the hotel are set-top boxes (such as hotel B and hotel C in fig. 7), and some user devices of the hotel include an access switch (such as hotel a in fig. 7) in addition to the set-top box, different access modes can be selected for different hotels by combining the embodiments shown in fig. 3 and fig. 4, and a solution obtained by combining the topologies shown in fig. 3 and fig. 4 according to the specific situation of the hotel user devices by those skilled in the art still belongs to the protection scope of the present invention.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A network system, comprising:
the system comprises a centralized router, a convergence switch and optical transmission equipment;
the aggregation switch is respectively connected with the centralized router, the optical transmission equipment and a broadband access server (BRAS) of an operator, the optical transmission equipment is connected with user equipment, and the user equipment transmits data through the optical transmission equipment, the centralized router, the aggregation switch and the broadband access server (BRAS) of the operator;
the user equipment sends an access request to the optical transmission equipment, the optical transmission equipment marks a corresponding inner-layer virtual local area network label on a lower connection port according to a private network address of the user equipment, and marks an outer-layer virtual local area network label on an upper connection port, the optical transmission equipment sends the marked access request to the BRAS through the aggregation switch and the centralized router, the BRAS requests a corresponding video resource to a video resource server according to the access request and sends the video resource to the centralized router through the aggregation switch, and the centralized router sends the video resource to the user equipment through the optical transmission equipment according to the inner-layer virtual local area network label.
2. The network system according to claim 1, wherein the optical transmission device comprises: an optical line terminal OLT and an optical network unit ONU;
the optical line terminal OLT is connected with the aggregation switch, and the optical network unit ONU is connected with the user equipment.
3. The network system according to claim 2, wherein when the user equipment comprises at least two set-top boxes, the ONU is connected to the at least two set-top boxes.
4. The network system according to claim 2, wherein when the user equipment comprises an access switch and at least two set-top boxes, the ONU is connected to the access switch, and the access switch is connected to the at least two set-top boxes.
5. The network system according to any of claims 2-4, wherein the ports of the aggregation switch to which the centralized router is connected are configured in QinQ mode.
6. The network system of claim 5, wherein the centralized router is configured with different inner Virtual Local Area Networks (VLANs) that are in one-to-one correspondence with the private network address segments corresponding to the user devices.
7. The network system according to claim 5, wherein said optical line termination OLT is configured to create a Home Gateway Unit (HGU) type ONU termination generic line template and a traffic template.
8. The network system according to claim 5, wherein said ONU is configured with a pre-created generic traffic interface template.
9. The network system according to claim 5, wherein said optical network unit ONU upstream port is equipped with an outer VLAN of said QinQ mode, and said optical network unit ONU downstream port is equipped with an inner VLAN.
10. The network system according to claim 2, wherein the ONU is connected to the user equipment via an ethernet port.
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