CN112188328A - System and method for realizing SDN + VXLAN based on GPON network scene - Google Patents
System and method for realizing SDN + VXLAN based on GPON network scene Download PDFInfo
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- CN112188328A CN112188328A CN202011038376.3A CN202011038376A CN112188328A CN 112188328 A CN112188328 A CN 112188328A CN 202011038376 A CN202011038376 A CN 202011038376A CN 112188328 A CN112188328 A CN 112188328A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0086—Network resource allocation, dimensioning or optimisation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The invention provides an SDN + VXLAN system based on a GPON network scene, which comprises a GPON optical line terminal, an optical splitter, a plurality of optical network units, a plurality of optical network terminals and a convergence switch, wherein the GPON optical line terminal is independently provided with a flow template, a DBA template, a service template and a line template aiming at each network terminal. The invention configures different flow templates, DBA templates, service templates and line templates on the controller aiming at each device of the GPON network, achieves different VLAN configurations of each port of the GPON network device, realizes network logic isolation among all terminal devices inside the GPON network, realizes network flow intercommunication among the terminal devices through a convergence switch, and realizes the conversion from the GPON network to the SDN + VXLAN network.
Description
Technical Field
The invention belongs to the technical field of communication, and relates to a system and a method for realizing SDN + VXLAN based on a GPON network scene.
Background
The general enterprise local area network is mostly composed of a traditional switch network and a GPON network, the traditional switch network belongs to an active network, each switch needs to be configured independently, the GPON network belongs to a passive network, all devices of the GPON network are configured in a centralized and unified mode through a CPON network controller, the switches can be managed through an SDN controller, different configurations can be automatically issued to the switches at the same time, the switch network is converted to the SDN + VXLAN network, but the GPON network belongs to a heterogeneous network, an OLT of the GPON network cannot be managed by the SDN controller, the configurations cannot be automatically issued, the GPON network cannot be converted to the SDN + VXLAN network, the enterprise network can not be converted to the SDN + VXLAN network, and the enterprise network can not be managed in a centralized and unified mode through an SDN.
Disclosure of Invention
The invention aims to provide a method for realizing SDN and VXLAN based on a GPON network scene aiming at the problems in the prior art.
Therefore, the invention adopts the following technical scheme:
a system for realizing SDN + VXLAN based on GPON network scene includes:
the GPON optical line terminal is used for sending Ethernet data to the optical network unit in a broadcast mode and controlling the optical network unit;
the optical splitter is connected with the optical line terminal and used for distributing downlink data to the optical network unit and integrating the uplink data to be uploaded to the GPON optical line terminal;
the optical network units are connected with the optical devices and used for selectively receiving broadcast data sent by the GPON optical line terminal, responding to ranging and power control commands sent by the GPON optical line terminal, correspondingly adjusting the commands and sending the data to the upstream direction in a sending window distributed by the GPON optical line terminal;
the optical network terminals are connected with the optical network units and are used for connecting user equipment;
the convergence switch is in signal connection with the GPON optical line terminal, and is used for carrying out convergence, forwarding and exchange of data packet transmission with the GPON optical line terminal and completing conversion of various protocols;
the GPON optical line terminal is independently configured with a flow template, a DBA template, a service template and a line template aiming at each network terminal.
The invention also provides a method for realizing the SDN + VXLAN based on the GPON network scene, and the system for realizing the SDN + VXLAN based on the GPON network scene comprises the following steps:
(1) configuring registration information for each optical network terminal on a GPON optical line terminal, and calling a service template and a line template in the GPON optical line terminal;
(2) configuring VLAN information on a GPON optical line terminal aiming at a port of each optical network terminal, so that the VLAN information of each port is different, and carrying out two-layer network isolation on the ports of the optical network terminals;
(3) VLAN information passed by each optical network terminal is released at a GPON optical line terminal;
(4) globally starting an 802.1X function at a GPON optical line terminal, starting the 802.1X function aiming at all VLANs, and realizing transparent transmission of an 802.1X authentication message;
(5) an interconnection interface of the convergence switch and the GPON optical line terminal enables an 802.1X MAC authentication function, and configures a mapping relation from a VLAN to a VXLAN, so that SDN + VXLAN is realized.
The invention has the beneficial effects that: different flow templates, DBA templates, service templates and line templates are configured on a controller aiming at each device of the GPON network, VLAN configurations of all ports of the GPON network devices are different, network logic isolation among all terminal devices inside the GPON network is achieved, network flow intercommunication among the terminal devices needs to be achieved through a convergence switch, and conversion of the GPON network to the SDN + VXLAN network is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a system according to embodiment 1 of the present invention.
Detailed Description
The present invention is explained in detail below with reference to examples:
example 1
As shown in fig. 1, a system for implementing SDN + VXLAN in a GPON network scenario includes:
the GPON optical line terminal is referred to as MA5680T, and is configured to send ethernet data in a broadcast manner to an optical network unit and control the optical network unit.
The optical splitter is a common device in GPON network equipment, is provided with a plurality of input ends and a plurality of output ends, is commonly used for coupling, branching and distributing optical signals, and is used as a special probe for signaling monitoring in a mobile communication network, and mainly realizes the acquisition of original signaling data, the uploading of uplink data to the GPON optical line terminal in a centralized manner and the distribution of downlink data to an optical network unit.
The optical network units are connected with the optical network units, the optical network units are used for selectively receiving broadcast data sent by the GPON optical line terminal, responding to ranging and power control commands sent by the GPON optical line terminal, correspondingly adjusting the commands, and sending data to the upstream direction in a sending window distributed by the GPON optical line terminal.
The present invention relates to a network system, and more particularly to a network system including a plurality of optical network terminals, i.e., ONTs, where the optical network terminals are connected to optical network units, and the optical network terminals are used to connect user equipment.
The convergence switch is in signal connection with the GPON optical line terminal, and is used for performing convergence, forwarding and exchange of data packet transmission with the GPON optical line terminal and completing conversion of various protocols.
In addition, the GPON optical line terminal is independently configured with a flow template, a DBA template, a service template and a line template aiming at each optical network terminal, the flow template, the DBA template, the service template and the line template are all conventional templates of the existing GPON optical line terminal, the functions and the functions of the conventional templates are all functions of the conventional templates of the GPON optical line terminal, and the purpose of independent configuration is to facilitate the realization of network isolation between each optical network terminal.
Example 2
The invention also provides a method for realizing the SDN + VXLAN based on the GPON network scene, and the system for realizing the SDN + VXLAN based on the GPON network scene specifically comprises the following steps:
(1) and configuring registration information for each optical network terminal on the GPON optical line terminal, calling a service template and a line template corresponding to each optical network terminal in the GPON optical line terminal in the process of configuring the registration information, and configuring corresponding information according to relevant rules set by the service template and the line template.
(2) The method comprises the steps that VLAN information is configured on a port of each optical network terminal of a GPON optical line terminal, the VLAN information of each port is different, two-layer network isolation is carried out on the port of the optical network terminal, and because the GPON optical line terminal in the system is independently configured with a flow template, a DBA template, a service template and a line template aiming at each optical network terminal, the two-layer network isolation can be easily realized.
(3) After the optical network terminal information is registered, the VLAN information passed by each optical network terminal is put through at the GPON optical line terminal, and the VLAN information can be transmitted.
(4) The method has the advantages that the 802.1X function is globally started at the GPON optical line terminal, the 802.1X function is started for all VLANs, transparent transmission of the 802.1X authentication message is realized, the 802.1X protocol is a two-layer protocol, three layers are not needed, the requirement on the overall performance of equipment is not high, the network construction cost can be effectively reduced, good expansibility and adaptability can be provided, the service message is directly carried on the normal two-layer message and exchanged through a controllable port, and different user authentication levels can be mapped to different VLANs.
(5) Enabling an 802.1X MAC authentication function at an interconnection interface of the aggregation switch and the GPON optical line terminal, configuring a mapping relation from a VLAN to a VXLAN, and realizing SDN + VXLAN after the mapping is finished.
Claims (2)
1. A system for realizing SDN + VXLAN based on GPON network scene is characterized by comprising:
the GPON optical line terminal is used for sending Ethernet data to the optical network unit in a broadcast mode and controlling the optical network unit;
the optical splitter is connected with the optical line terminal and used for distributing downlink data to the optical network unit and integrating the uplink data to be uploaded to the GPON optical line terminal;
the optical network units are connected with the optical devices and used for selectively receiving broadcast data sent by the GPON optical line terminal, responding to ranging and power control commands sent by the GPON optical line terminal, correspondingly adjusting the commands and sending the data to the upstream direction in a sending window distributed by the GPON optical line terminal;
the optical network terminals are connected with the optical network units and are used for connecting user equipment;
the convergence switch is in signal connection with the GPON optical line terminal, and is used for carrying out convergence, forwarding and exchange of data packet transmission with the GPON optical line terminal and completing conversion of various protocols;
the GPON optical line terminal is independently configured with a flow template, a DBA template, a service template and a line template aiming at each network terminal.
2. A method for implementing SDN + VXLAN in GPON-based network scenario, wherein the system for implementing SDN + VXLAN in GPON-based network scenario of claim 1 is adopted, and comprises the following steps:
(1) configuring registration information for each optical network terminal on a GPON optical line terminal, and calling a service template and a line template in the GPON optical line terminal;
(2) configuring VLAN information on a GPON optical line terminal aiming at a port of each optical network terminal, so that the VLAN information of each port is different, and carrying out two-layer network isolation on the ports of the optical network terminals;
(3) VLAN information passed by each optical network terminal is released at a GPON optical line terminal;
(4) globally starting an 802.1X function at a GPON optical line terminal, starting the 802.1X function aiming at all VLANs, and realizing transparent transmission of an 802.1X authentication message;
(5) an interconnection interface of the convergence switch and the GPON optical line terminal enables an 802.1X MAC authentication function, and configures a mapping relation from a VLAN to a VXLAN, so that SDN + VXLAN is realized.
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