CN202906946U - Multinode communication system of seabed observatory network - Google Patents
Multinode communication system of seabed observatory network Download PDFInfo
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- CN202906946U CN202906946U CN 201220621979 CN201220621979U CN202906946U CN 202906946 U CN202906946 U CN 202906946U CN 201220621979 CN201220621979 CN 201220621979 CN 201220621979 U CN201220621979 U CN 201220621979U CN 202906946 U CN202906946 U CN 202906946U
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Abstract
The utility model discloses a multinode communication system of a seabed observatory network, comprising a data server, a webpage server, a PTP time server, a core three-layer switchboard, a first group optical network transmission device and a first light amplifier disposed on a shore, and a second light amplifier, a second group optical network transmission device, a third group optical network transmission device, and N two-layer switchboards disposed on a seabed. The first, second, and third group optical network transmission devices form a looped network backbone. The two-layer switchboards are connected with seabed observatory devices. The N two-layer switchboards are divided into N VLANs, and the data server, the webpage server, and the PTP time server are respectively divided into a VLAN. The communication system operates safely and reliably, and has high transmission efficiency. The system prevents broadcast storms and enables 200km long-distance network signal transmission.
Description
Technical field
The utility model relates to the multinode communication system of seabed observation network.
Background technology
The communication system of seabed observation network provides service for submarine observation network carries out transfer of data, and wherein the power supply of bank based device is provided by shore-based power supply, and the power supply of subsurface communication equipment is provided by the special power supply unit of submarine observation network.In more existing seabed observation network communication systems, its network architecture mainly is chain, and namely backbone network is connected into a circuit.This mode can be used a host node as the transmission trunking of next host node, can prolong network distance.But the deadly defect that this mode also exists, exactly when any one host node breaks down in the network, the host node of its back can all lose efficacy.Adopt the link type to also have a principal element, because existing transmission equipment can only directly transmit 120km farthest, can't directly transmit for the distance near 200km, can only a top node as relaying, the network that therefore possesses the long-distance transmissions ability can improve the performance of network greatly.Meanwhile, the communication system architecture of present seabed observation network is too single, causes easily broadcast storm, all has problems for control and the efficient of data flow.A lot of seabed observation network communication systems can't provide accurate clock synchronization information at present, so that the data that network obtains can't hang up the precise time label.Therefore, design a kind of high reliability, high-transmission efficient, the seabed observation network multinode communication system with precision clock information is necessary.
Summary of the invention
The purpose of this utility model is to propose a kind of highly reliablely, and high-transmission efficient has the seabed observation network multinode communication system of precision clock information, for the different nodes of submarine observation network are built communications platform.
The multinode communication system of seabed observation network of the present utility model comprises the data server that is arranged on the bank base, web page server, the PTP time server, core 3 layer switch, the first grouping optical-fiber network transmission equipment and the first image intensifer, be arranged on second image intensifer in seabed, the second grouping optical-fiber network transmission equipment, the 3rd grouping optical-fiber network transmission equipment and N platform 2 layer switch, 2≤N≤24, the second above-mentioned image intensifer, the second grouping optical-fiber network transmission equipment, the 3rd grouping optical-fiber network transmission equipment and 2 layer switch are installed in separately to have watertight and patches in the titanium alloy cavity of communication interface; Two gigabit electrical interfaces of core 3 layer switch link to each other with the gigabit electrical interface of data server and the gigabit electrical interface of the first grouping optical transmission device respectively, two 100,000,000 electrical interfaces of core 3 layer switch link to each other with 100,000,000 electrical interfaces of web page server and 100,000,000 electrical interfaces of PTP time server respectively, a gigabit light mouth output of the first grouping optical transmission device links to each other with the gigabit light mouth input of the first image intensifer, the gigabit light mouth output of the first image intensifer links to each other with the gigabit light mouth input of the 3rd grouping optical transmission device, the gigabit light mouth output of the 3rd grouping optical transmission device links to each other with the gigabit light mouth input of the second image intensifer, the gigabit light mouth output of the second image intensifer links to each other with the gigabit light mouth input of the first grouping optical transmission device, the 3rd grouping optical transmission device links to each other by gigabit light mouth with the first grouping optical transmission device, 100,000,000 electrical interfaces of the second grouping optical transmission device are connected with N/2 platform 2 layer switch separately with 100,000,000 electrical interfaces of the 3rd grouping optical transmission device, and the gigabit light mouth of the second grouping optical transmission device links to each other with the gigabit light mouth of the 3rd grouping optical transmission device.
In the utility model, described core 3 layer switch, the first grouping optical-fiber network transmission equipment, the second grouping optical-fiber network transmission equipment and the 3rd grouping optical-fiber network transmission equipment are all supported IEEE802.1Q agreement and IEEE1588V2 agreement.Described PTP time server and 2 layer switch are supported the IEEE1588V2 agreement.Wherein, the IEEE802.1Q agreement is in order to the configuration of supported vlans, and the IEEE1588V2 agreement is in order to support PTP time synchronized function.
In the utility model, on described 2 layer switch port is carried out the setting of IP+MAC address access list, can be linked in this communication system so that only possess by the equipment of the IP+MAC address of submarine observation network mandate.
Operation principle: the multinode communication system of seabed observation network is with the first grouping optical-fiber network transmission equipment, the looped network that the second grouping optical-fiber network transmission equipment and the 3rd grouping optical-fiber network transmission equipment form is backbone network, core 3 layer switch, the first grouping optical-fiber network transmission equipment, the second grouping optical-fiber network transmission equipment, the 3rd grouping optical-fiber network transmission equipment and 2 layer switch all need to open spanning-tree feature, N/2 2 layer switch receiving the second grouping optical-fiber network transmission equipment are divided into N/2 VLAN(VLAN), N/2 2 layer switch receiving the 3rd grouping optical-fiber network transmission equipment are divided into other N/2 VLAN, each 2 layer switch connects respectively submarine observation equipment, meanwhile, data server, web page server and PTP time server will be divided into 1 VLAN separately, core 3 layer switch are for each VLAN configuration IP interface (being the gateway ip address of corresponding VLAN), in order to realize the access control of different VLAN.When data server needs and the submarine observation equipment that is connected to the second grouping optical-fiber network transmission equipment when communicating, data server sends first request data package, this packet will pass through core 3 layer switch, the first grouping optical-fiber network transmission equipment, the second grouping optical-fiber network transmission equipment and 2 layer switch successively, arrive at last the purpose submarine observation equipment that is connected, submarine observation equipment can send response packet after receiving the request data package of data server, oneself reply data bag along the route reverse transfer of request data package, is passed to data server.Wherein, data server carries out the telecommunication of the 200km left and right sides with the submarine observation equipment that is connected to the 3rd grouping optical-fiber network transmission equipment, two-way communication between the first grouping optical-fiber network transmission equipment and the second grouping optical-fiber network transmission equipment needs through the first image intensifer and the second image intensifer optical network signal to be carried out light energy amplification, the decay that brings to light signal in order to overcome long distance line.The PTP time server provides a precise time signal for whole multinode communication system, when having the submarine observation equipment that is connected on the second grouping optical-fiber network transmission equipment to obtain precise time, this submarine observation equipment will be to PTP time server transmitting time request bag, and this request bag will pass through 2 layer switch, the second grouping optical-fiber network transmission equipment, the first grouping optical-fiber network transmission equipment, core 3 layer switch arrival PTP time server successively.The PTP time server is after receiving the request bag of submarine observation equipment, can send and carry the response packet of temporal information, this response packet can arrive the submarine observation equipment of the request of transmission along the reverse circuit transmission of request bag, and submarine observation equipment will parse time signal from response packet.
The beneficial effects of the utility model are:
The multinode communication system of seabed observation network of the present utility model is loop network topology structure, its core 3 layer switch, the spanning-tree feature of having opened on first, second, third grouping optical-fiber network transmission equipment and 2 layer switch can provide for the data packet transmission in the looped network best path and improve communication reliability.For example when the optical fiber that directly connects the first grouping optical network device and the second grouping optical network device goes wrong, this section circuit can't the transmission of data bag, this moment, the structure of looped network just played a role, packet can be successively along 2 layer switch on path transmission to the second grouping optical-fiber network transmission equipment of the first, the 3rd, second grouping optical-fiber network transmission equipment, so that the first grouping optical network device still can continue to communicate by letter with the second grouping optical-fiber network transmission equipment.When the optical fiber that connects the first grouping optical network device and the 3rd grouping optical network device breaks down, can realize equally continuing communication by ring network structure.The benefit of looped network is to also have an other circuit effective when wherein any one communication line lost efficacy, can guarantee equally the effective of communication, has improved reliability.
The utility model communication system adopts grouping optical-fiber network transmission equipment to cooperate the mode of image intensifer, can realize the long distance network signal transmission of 200km.In addition, introduce the PTP time server in communication system, can be whole communication network precise time is provided.N 2 layer switch are divided into N VLAN, and with data server, web page server, PTP time server are divided into a VLAN separately, are conducive to improve reliability of Communication System, and communication efficiency prevents broadcast storm.
Description of drawings
Fig. 1 is that the multinode communication system of seabed observation network consists of schematic diagram.
Embodiment
Further specify the utility model below in conjunction with accompanying drawing.
With reference to Fig. 1. the multinode communication system of seabed observation network of the present utility model comprises the data server 1 that is arranged on the bank base, web page server 2, PTP time server 3, core 3 layer switch 4, the first grouping optical-fiber network transmission equipment 5 and the first image intensifer 6, be arranged on second image intensifer 7 in seabed, the second grouping optical-fiber network transmission equipment 8, the 3rd grouping optical-fiber network transmission equipment 9 and N platform 2 layer switch 10,2≤N≤24, the second above-mentioned image intensifer 7, the second grouping optical-fiber network transmission equipment 8, the 3rd grouping optical-fiber network transmission equipment 9 and 2 layer switch 10 are installed in separately to have watertight and patches in the titanium alloy cavity of communication interface; Two gigabit electrical interfaces of core 3 layer switch 4 link to each other with the gigabit electrical interface of data server 1 and the gigabit electrical interface of the first grouping optical transmission device 5 respectively, two 100,000,000 electrical interfaces of core 3 layer switch 4 link to each other with 100,000,000 electrical interfaces of web page server 2 and 100,000,000 electrical interfaces of PTP time server 3 respectively, a gigabit light mouth output of the first grouping optical transmission device 5 links to each other with the gigabit light mouth input of the first image intensifer 6, the gigabit light mouth output of the first image intensifer 6 links to each other with the gigabit light mouth input of the 3rd grouping optical transmission device 9, the gigabit light mouth output of the 3rd grouping optical transmission device 9 links to each other with the gigabit light mouth input of the second image intensifer 7, the gigabit light mouth output of the second image intensifer 7 links to each other with the gigabit light mouth input of the first grouping optical transmission device 5, the 3rd grouping optical transmission device 8 links to each other by gigabit light mouth with the first grouping optical transmission device 5,100,000,000 electrical interfaces of the second grouping optical transmission device 8 are connected with N/2 platform 2 layer switch 10 separately with 100,000,000 electrical interfaces of the 3rd grouping optical transmission device 9, and the gigabit light mouth of the second grouping optical transmission device 8 links to each other with the gigabit light mouth of the 3rd grouping optical transmission device 9.
It is the equipment of 1850TSS-5C that first, second, third above-mentioned grouping optical-fiber network transmission equipment all can adopt the model of Alcatel company, 2 layer switch can adopt the IE3000-8TC model switch of Cisco System Co., and first, second image intensifer all can adopt the EDFA-BA model image intensifer of light news scientific ﹠ technical corporation.
Claims (1)
1. the multinode communication system of a seabed observation network, it is characterized in that comprising the data server (1) that is arranged on the bank base, web page server (2), PTP time server (3), core 3 layer switch (4), the first grouping optical-fiber network transmission equipment (5) and the first image intensifer (6), be arranged on second image intensifer (7) in seabed, the second grouping optical-fiber network transmission equipment (8), the 3rd grouping optical-fiber network transmission equipment (9) and N platform 2 layer switch (10), 2≤N≤24, above-mentioned the second image intensifer (7), the second grouping optical-fiber network transmission equipment (8), the 3rd grouping optical-fiber network transmission equipment (9) and 2 layer switch (10) are installed in separately to have watertight and patches in the titanium alloy cavity of communication interface; Two gigabit electrical interfaces of core 3 layer switch (4) link to each other with the gigabit electrical interface of data server (1) and the gigabit electrical interface of the first grouping optical transmission device (5) respectively, two 100,000,000 electrical interfaces of core 3 layer switch (4) link to each other with 100,000,000 electrical interfaces of web page server (2) and 100,000,000 electrical interfaces of PTP time server (3) respectively, a gigabit light mouth output of the first grouping optical transmission device (5) links to each other with the gigabit light mouth input of the first image intensifer (6), the gigabit light mouth output of the first image intensifer (6) links to each other with the gigabit light mouth input of the 3rd grouping optical transmission device (9), the gigabit light mouth output of the 3rd grouping optical transmission device (9) links to each other with the gigabit light mouth input of the second image intensifer (7), the gigabit light mouth output of the second image intensifer (7) links to each other with the gigabit light mouth input of the first grouping optical transmission device (5), the 3rd grouping optical transmission device (8) links to each other by gigabit light mouth with the first grouping optical transmission device (5), 100,000,000 electrical interfaces of the second grouping optical transmission device (8) are connected with N/2 platform 2 layer switch (10) separately with 100,000,000 electrical interfaces of the 3rd grouping optical transmission device (9), and the gigabit light mouth of the second grouping optical transmission device (8) links to each other with the gigabit light mouth of the 3rd grouping optical transmission device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621979 CN202906946U (en) | 2012-11-22 | 2012-11-22 | Multinode communication system of seabed observatory network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621979 CN202906946U (en) | 2012-11-22 | 2012-11-22 | Multinode communication system of seabed observatory network |
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| CN202906946U true CN202906946U (en) | 2013-04-24 |
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| CN 201220621979 Withdrawn - After Issue CN202906946U (en) | 2012-11-22 | 2012-11-22 | Multinode communication system of seabed observatory network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938719A (en) * | 2012-11-22 | 2013-02-20 | 浙江大学 | Multi-node communication system for seafloor observatory network |
| US9645272B2 (en) | 2014-01-02 | 2017-05-09 | Oceanserver Technology, Inc. | Method and apparatus for synchronizing clocks underwater using light and sound |
| CN111586106A (en) * | 2020-04-13 | 2020-08-25 | 鹏城实验室 | Observation system and observation method |
-
2012
- 2012-11-22 CN CN 201220621979 patent/CN202906946U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938719A (en) * | 2012-11-22 | 2013-02-20 | 浙江大学 | Multi-node communication system for seafloor observatory network |
| CN102938719B (en) * | 2012-11-22 | 2015-02-04 | 浙江大学 | Multi-node communication system for seafloor observatory network |
| US9645272B2 (en) | 2014-01-02 | 2017-05-09 | Oceanserver Technology, Inc. | Method and apparatus for synchronizing clocks underwater using light and sound |
| CN111586106A (en) * | 2020-04-13 | 2020-08-25 | 鹏城实验室 | Observation system and observation method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20150204 |
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| RGAV | Abandon patent right to avoid regrant |