CN112134770A - Network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network - Google Patents
Network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network Download PDFInfo
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- CN112134770A CN112134770A CN202011017825.6A CN202011017825A CN112134770A CN 112134770 A CN112134770 A CN 112134770A CN 202011017825 A CN202011017825 A CN 202011017825A CN 112134770 A CN112134770 A CN 112134770A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000012806 monitoring device Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- DWSYCUKCNSVBRA-UHFFFAOYSA-N 4-(5-methylsulfonyltetrazol-1-yl)phenol Chemical compound CS(=O)(=O)C1=NN=NN1C1=CC=C(C=C1)O DWSYCUKCNSVBRA-UHFFFAOYSA-N 0.000 description 1
- 101710167643 Serine/threonine protein phosphatase PstP Proteins 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/2878—Access multiplexer, e.g. DSLAM
- H04L12/2879—Access multiplexer, e.g. DSLAM characterised by the network type on the uplink side, i.e. towards the service provider network
-
- 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
- H04L12/2878—Access multiplexer, e.g. DSLAM
- H04L12/2879—Access multiplexer, e.g. DSLAM characterised by the network type on the uplink side, i.e. towards the service provider network
- H04L12/2885—Arrangements interfacing with optical systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/22—Alternate routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention relates to a network access system based on mutual redundant backup of an optical fiber and an LTE/5G wireless network, which comprises a user network, a firewall, a wireless modem, an ISP platform and the Internet which are sequentially connected, wherein the wireless modem is respectively connected with the ISP platform through a main link and a backup link, the main link is connected with the ISP platform through an optical fiber channel, the backup link is connected with the ISP platform through a wireless base station, and the wireless modem is connected with NQA monitoring equipment; the wireless modem is an LTE modem or a 5G modem. Compared with the prior art, the redundancy scheme of the invention has the advantages of low access cost, simple and convenient implementation, short opening time, network management of terminal equipment and the like.
Description
Technical Field
The invention relates to a network access system, in particular to a network access system based on mutual redundant backup of an optical fiber and an LTE/5G wireless network.
Background
Because the traditional enterprise leases in each building mansion, a lot of buildings are monopolized by property or small and large residence network service providers, a lot of residence network broadband can not meet the high-end requirements of customers, the enterprise applies for backup lines of a plurality of operators, the property can collect the permitted entrance fee, and the cost is too high. The traditional data private network has the problems of high rental cost, long opening period, complex and long time consumption of newly-added service deployment and the like, and cannot meet the enterprise network requirements of quick opening and flexible deployment. In addition, due to the introduction of cloud computing, more enterprises migrate application deployment to the cloud, so that the flow of branch outlets is increased sharply, and the WAN network cost of the enterprises is further increased.
Enterprises attempt to connect to headquarters or data centers via premise network broadband, but broadband is shared and cannot meet high quality demands, and enterprises need private lines to provide higher demands and service levels.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a network access system based on mutual redundant backup of an optical fiber and an LTE/5G wireless network.
The purpose of the invention can be realized by the following technical scheme:
a network access system based on mutual redundant backup of an optical fiber and an LTE/5G wireless network comprises a user network, a firewall, a wireless modem, an ISP platform and the Internet which are sequentially connected, wherein the wireless modem is respectively connected with the ISP platform through a main link and a backup link, the main link is connected with the ISP platform through an optical fiber channel, the backup link is connected with the ISP platform through a wireless base station, and the wireless modem is connected with NQA monitoring equipment; the wireless modem is an LTE modem or a 5G modem.
Preferably, when the wireless modem is an LTE modem, the internal network system of the user network is provided with an LTE routing node, and when the wireless modem is a 5G modem, the internal network system of the user network is provided with a 5G routing node.
Preferably, the user network is an ethernet network.
Preferably, the ethernet is in particular a gigabit ethernet.
Preferably, the connection between the wireless base station and the wireless modem is established through a virtual channel interface.
Preferably, the wireless base station is connected to the ISP platform through an optical fiber.
Preferably, the ISP platform is connected to the optical fiber interface through a first POP node, and the ISP platform is connected to the wireless base station through a second POP node.
Preferably, the LTE modem is an LTE optical modem, and the 5G modem is a 5G optical modem.
Preferably, the backup link adopts an NHRP protocol.
Preferably, the wireless modem preferentially selects a main link to connect to the internet, detects the gateway through the NQA monitoring device after the main link is interrupted or failed, and automatically switches to the backup link once the gateway IP is not reachable.
Compared with the prior art, the invention has the following advantages:
1. the user does not need to use the traditional circuit private line based on ATM, SDH, PTN and the like as a backup line for access, but uses the LTE/5G network as a bearing channel for access to the ISP platform, thereby saving the cost.
2. The existing network architecture of a user is unchanged, the user network is a gigabit Ethernet, and the whole transmission process can be a gigabit Ethernet frame structure, so that the data packet packaging format is simplified, excessive overhead of other upper-layer protocols is avoided, the communication transmission efficiency is improved, the equipment performance is saved, and the throughput is greatly improved.
3. The scheme is low in cost and novel in technology, and has the advantages of high reliability and low fault rate through user test verification, and the transmission performance of the scheme is still very excellent under the condition of heavy load.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The figure is marked with: 1. user network, 2, firewall, 3, wireless modem, 4, fiber channel, 5, wireless base station, 6, ISP platform, 7, Internet, 8, NQA monitoring equipment.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Examples
As shown in fig. 1, the present application provides a network access system based on mutual redundant backup of an optical fiber and an LTE/5G wireless network, which is connected to an ISP interconnection platform as a carrier network and can seamlessly switch to a backup LTE/5G wireless channel when a main line is interrupted. The system comprises a user network 1, a firewall 2, a wireless modem 3, an ISP platform 6 and the Internet 7 which are connected in sequence, wherein the wireless modem 3 is connected with the ISP platform 6 through a main link and a backup link respectively, the main link is connected with the ISP platform 6 through an optical fiber channel 4, the backup link is connected with the ISP platform 6 through a wireless base station 5, and the wireless modem 3 is connected with an NQA monitoring device 8. The radio modem 3 is an LTE modem or a 5G modem.
When the wireless modem is an LTE modem, an internal network system of the user network is provided with an LTE routing node, and the wireless base station 5 is an LTE wireless base station. When the wireless modem is a 5G modem, the internal network system of the user network is provided with a 5G routing node, and the wireless base station 5 is a 5G wireless base station.
In this embodiment, the LTE modem is an LTE optical modem, and the 5G modem is a 5G optical modem.
The user network 1 is a gigabit Ethernet, and a data packet of the user network 1 equipment is encapsulated into an Ethernet frame and is routed through LTE/5G optical modem equipment. The fiber interface of the default routing main link reaches the first POP node of the ISP platform 6. The backup link is connected to the wireless base station 5 through an LTE/5G wireless channel, is connected to the Internet through the wireless base station 5 through optical fibers, and establishes a virtual channel to be connected to the second POP node of the ISP platform 6. Therefore, the cost is greatly saved, the LTE/5G wireless network and the signal coverage are wide, and the cost is far lower than that of the traditional WAN backup lines such as ATM, MSTP and PTN.
The terminal equipment implementation process of the system comprises the following steps:
1. the user LTE/5G optical modem preferentially selects the main link optical fiber channel 4 to access the ISP platform 6, the backup link establishes a GRE-Tunnel virtual channel interface through Cellular of the LTE/5G optical modem, defines a data encapsulation format, defines a source interface, starts an NHRP next hop address registration protocol, starts an NHRP authentication key and starts next hop address mapping:
interface Cellular0/0/0
dialer enable-circular
dialer-group 1
dialer timer idle 50
apn-profile LTE/5Gprofile
dialer timer autodial 60
dialer number*99#autodial
modem auto-recovery track nqa admin LTE/5G
modem auto-recovery track action plmn-search fail-times 5
modem auto-recovery dial action modem-reboot fail-times 10
modem auto-recovery services-unavailable action modem-reboot test-times 2interval 3600
ip address negotiate。
2. defining GRE channel interface of ISP platform 6 node, starting NHRP protocol, establishing authentication key, defining TCP layer maximum transmission unit as 1200 byte:
interface Tunnel0/0/1
description"to-yh-pop1"
bandwidth 100
tcp adjust-mss 1200
ip address 192.168.220.10 255.255.255.0
tunnel-protocol gre p2mp
source Cellular0/0/0
statistic enable inbound
statistic enable outbound
nhrp authenticationcipher％^％#Gn_NNTbn^2cfP"X,/Y#)`r:o<RtMT0I4GeJ:p；FF％^％#
nhrp shortcut
nhrp registration no-unique
nhrp dscp cs7
nhrp entry 192.168.220.1 10.247.77.55register。
3. defining the route to the destination channel address and default route pattern to the internet 7:
ip route-static 0.0.0.0 0.0.0.0 202.136.215.241track nqa admin master description"master"
ip route-static 0.0.0.0 0.0.0.0 192.168.220.1preference 100。
the main link and the backup link are switched as follows:
(1) after user data enters the LTE/5G optical modem, an optical fiber interface is preferentially selected to access the Internet 7;
(2) when the external optical fiber channel 4 is interrupted or fails, the gateway is detected through a next hop health detection NQA protocol of the NQA monitoring equipment 8, once the gateway IP is unreachable, the gateway is automatically switched to an LTE/5G wireless channel of a backup link, and the route is switched to the wireless channel;
(3) when the main link optical fiber channel 4 is recovered, the next hop IP route can be reached, and then according to the route priority, the user IP route is automatically switched back to the optical fiber channel 4 from the LTE/5G wireless channel.
Claims (10)
1. A network access system based on mutual redundant backup of an optical fiber and an LTE/5G wireless network is characterized by comprising a user network (1), a firewall (2), a wireless modem (3), an ISP platform (6) and the Internet (7) which are sequentially connected, wherein the wireless modem (3) is respectively connected with the ISP platform (6) through a main link and a backup link, the main link is connected with the ISP platform (6) through an optical fiber channel (4), the backup link is connected with the ISP platform (6) through a wireless base station (5), and the wireless modem (3) is connected with an NQA monitoring device (8); the wireless modem (3) is an LTE modem or a 5G modem.
2. The network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network as claimed in claim 1, wherein when said wireless modem (3) is LTE modem, the internal network system of said user network (1) is provided with LTE routing node, when said wireless modem (3) is 5G modem, the internal network system of said user network (1) is provided with 5G routing node.
3. The network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network according to claim 1, characterized in that said user network (1) is Ethernet.
4. The network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network as claimed in claim 3, wherein said Ethernet is gigabit Ethernet.
5. A network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network according to claim 1, characterized in that the connection between the wireless base station (5) and the wireless modem (3) is established through a virtual channel interface.
6. The network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network according to claim 1, characterized in that said wireless base station (5) is connected with ISP platform (6) through optical fiber.
7. The network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network as claimed in claim 1, characterized in that said ISP platform (6) is connected with optical fiber interface through a first POP node, and said ISP platform (6) is connected with wireless base station (5) through a second POP node.
8. The network access system based on mutual redundant backup of an optical fiber and an LTE/5G wireless network as claimed in claim 1, wherein the LTE modem is an LTE optical modem, and the 5G modem is a 5G optical modem.
9. The network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network of claim 1, wherein said backup link employs NHRP protocol.
10. The network access system based on mutual redundancy backup of optical fiber and LTE/5G wireless network as claimed in claim 1, wherein said wireless modem (3) preferentially selects the main link to connect to Internet (7), said main link is interrupted or failed, then the gateway is detected by NQA monitoring equipment (8), once the gateway IP is not reachable, then the gateway is automatically switched to the backup link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011017825.6A CN112134770A (en) | 2020-09-24 | 2020-09-24 | Network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011017825.6A CN112134770A (en) | 2020-09-24 | 2020-09-24 | Network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network |
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| Publication Number | Publication Date |
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| CN112134770A true CN112134770A (en) | 2020-12-25 |
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|---|---|---|---|
| CN202011017825.6A Pending CN112134770A (en) | 2020-09-24 | 2020-09-24 | Network access system based on mutual redundant backup of optical fiber and LTE/5G wireless network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968733A (en) * | 2021-02-03 | 2021-06-15 | 深圳市融创飞宇通讯有限公司 | Intelligent integrated redundant network device integrating ONU (optical network unit) and 5G (third generation) modules |
| CN115243290A (en) * | 2022-07-13 | 2022-10-25 | 深圳前海聚火科技有限公司 | Network acceleration system and method based on 5G communication module |
| CN115685869A (en) * | 2022-11-01 | 2023-02-03 | 中交一航局安装工程有限公司 | Submarine tunnel monitoring system layout method based on 5G transmission |
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