CN109361605B - Dual-IP deployment service protection method and system for transmission network system - Google Patents

Dual-IP deployment service protection method and system for transmission network system Download PDF

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CN109361605B
CN109361605B CN201811418225.3A CN201811418225A CN109361605B CN 109361605 B CN109361605 B CN 109361605B CN 201811418225 A CN201811418225 A CN 201811418225A CN 109361605 B CN109361605 B CN 109361605B
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base station
mpls tunnel
address
transmission network
mpls
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CN109361605A (en
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吴伯超
金从元
余军
胡志勇
胡旭
刘伟
蔡坤鹏
徐洪亮
谭敏
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Wuhan Fiberhome Technical Services Co Ltd
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    • 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
    • H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
    • 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
    • H04L45/24—Multipath
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a service protection method and a service protection system for dual IP deployment of a transmission network system, and relates to the technical field of data transmission. The invention respectively configures the wireless base station and the transmission network gateway connected with the wireless base station with double IP, and can ensure the normal transmission of the base station data after the transmission network node fails, the transmission link fails and the transmission network software fails by matching with the MPLS tunnel technology. The dual IP deployment is matched with the MPLS tunnel technology, so that the looped network can be used for simultaneously transmitting base station data in east and west directions, and bandwidth resources of the transmission network are fully utilized.

Description

Dual-IP deployment service protection method and system for transmission network system
Technical Field
The invention relates to the technical field of data transmission, in particular to a service protection method and a system for dual IP deployment of a transmission network system.
Background
The data transmission network (hereinafter referred to as transmission network) carries the wireless base station, and is responsible for transmitting the data flow of the data communication information (hereinafter referred to as base station service) of the wireless base station, which is one of the cornerstones of the wireless data communication transmission. At present, a large number of data transmission networks are deployed in various places, and some problems need to be solved for protecting wireless base station service transmission.
Firstly, based on the physical layer, the protection of the physical link for the base station service is to ensure the normal transmission of the base station service after the network node of the transmission network fails or the transmission link fails.
Secondly, based on the protection of the logical layer of the transmission network software for the base station service, the transmission network can ensure the normal transmission of the base station service to a certain extent when the software (the network layer of the TCP/IP) is wrong.
Therefore, a service deployment method for protecting normal transmission of base station data when a fault occurs is needed.
Disclosure of Invention
The present invention aims to overcome the defects of the background art, and provides a service protection method and system for dual IP deployment of a transmission network system, which protects normal transmission of base station data.
The invention provides a service protection method for dual IP deployment of a transmission network, wherein the transmission network comprises a transmission network gateway and transmission network equipment, a wireless base station and a base station controller are respectively borne at two ends of the transmission network, and the method comprises the following steps:
configuring a first IP address field on the transmission network gateway and the base station controller equipment; configuring a second IP address field and a third IP address field on the transmission network gateway and the base station equipment; the first IP address segment, the second IP address segment and the third IP address segment belong to different IP address network segments respectively;
starting an MPLS protocol in the transmission network, and establishing two MPLS tunnels penetrating the transmission network, wherein the MPLS tunnels are used as communication channels between the base station equipment and the base station control equipment; and configuring two MPLS tunnels to respectively bind the second IP address field and the third IP address field.
On the basis of the scheme, the method further comprises the following steps:
the two MPLS tunnels comprise a first MPLS tunnel and a second MPLS tunnel, wherein the first MPLS tunnel binds the second IP address segment, and the second MPLS tunnel binds the third IP address segment;
the state detection IP data message of the first MPLS tunnel is periodically and mutually sent between the first IP address of the base station control equipment and the second IP address of the base station equipment;
the first IP address of the base station control equipment and the third IP address of the base station equipment periodically send a state detection IP data message of a second MPLS tunnel to each other;
if the MPLS tunnel state detection message is normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment;
if the MPLS tunnel state detection message is not normally received and transmitted in the first MPLS tunnel, controlling the base station equipment to only send the base station service data to the third IP address field;
and if the MPLS tunnel state detection message is not normally received and transmitted in the second MPLS tunnel, controlling the base station equipment to only send the base station service data to the second IP address field.
On the basis of the scheme, the method further comprises the following steps:
if the MPLS tunnel state detection message is not normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address field and the third IP address field;
and if the MPLS tunnel state detection message returns to normal receiving and sending on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment.
On the basis of the scheme, the wireless base station and the transmission network gateway equipment form a wireless access network; the base station controller and the gateway equipment of the transmission network form a core network; the transmission network devices are connected by adopting star, ring or chain topology.
On the basis of the scheme, the transmission network equipment is logically interconnected by using NNI ports; the transmission network and the wireless base station are logically interconnected by using a UNI port; the transmission network and the base station controller are logically interconnected by using a UNI port; the wireless base stations, the base station controller and the transmission network are connected with each other by using optical cables or electric cables.
The invention also provides a service protection system for dual IP deployment of a transmission network, wherein the transmission network comprises a transmission network gateway and a transmission network device, the transmission network is used for realizing communication between the base station device and the base station controller device, and the system comprises:
an IP configuration module to: configuring a first IP address field on the transmission network gateway and the base station controller equipment; configuring a second IP address field and a third IP address field on the transmission network gateway and the base station equipment; the first IP address segment, the second IP address segment and the third IP address segment belong to different IP address network segments respectively;
an MPLS tunnel deployment module to: starting an MPLS protocol in the transmission network, and establishing two MPLS tunnels penetrating the transmission network, wherein the two MPLS tunnels comprise a first MPLS tunnel and a second MPLS tunnel, and the MPLS tunnels are used as communication channels between base station equipment and base station control equipment; and configuring two MPLS tunnels to respectively bind the second IP address field and the third IP address field.
On the basis of the above scheme, the MPLS tunnel deployment module is specifically configured to: configuring a first MPLS tunnel to bind the second IP address section, and configuring a second MPLS tunnel to bind the third IP address section;
the system also includes a status detection module to: periodically sending a state detection IP data message of a first MPLS tunnel between a first IP address of the base station control equipment and a second IP address of the base station equipment; periodically sending a state detection IP data message of a second MPLS tunnel between a first IP address of the base station control equipment and a third IP address of the base station equipment;
the system also includes a transceiver control module configured to: if the MPLS tunnel state detection message is normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment; if the MPLS tunnel state detection message is not normally received and transmitted in the first MPLS tunnel, controlling the base station equipment to only send the base station service data to the third IP address field; and if the MPLS tunnel state detection message is not normally received and transmitted in the second MPLS tunnel, controlling the base station equipment to only send the base station service data to the second IP address field.
On the basis of the above scheme, the transceiving control module is further configured to: if the MPLS tunnel state detection message is not normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address field and the third IP address field;
and if the MPLS tunnel state detection message returns to normal receiving and sending on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment.
Compared with the prior art, the invention has the following advantages:
(1) the invention respectively configures the wireless base station and the transmission network gateway connected with the wireless base station with double IP, and can ensure the normal transmission of the base station data after the transmission network node fails, the transmission link fails and the transmission network software fails by matching with the MPLS tunnel technology.
(2) The invention can utilize the transmission network ring network to realize that the ring network simultaneously transmits the base station data in east and west two directions by matching the double IP deployment with the MPLS tunnel technology, and fully utilizes the bandwidth resources of the transmission network.
Drawings
Fig. 1 is a schematic diagram of a service protection method for dual IP deployment of a transmission network system according to an embodiment of the present invention;
fig. 2 is a data flow diagram of a service protection method for dual IP deployment in a transport network system according to an embodiment of the present invention.
In the figure, S1 — base station device; s2-a base station controller device; s3-a transmission network device; s4-a transport network gateway; s5-communication cable, optical cable; s6 — a first MPLS tunnel; s7 — a second MPLS tunnel; s8 — first IP address segment; s9-second IP address field; s10-third IP address segment.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
Example 1:
referring to fig. 1, an embodiment of the present invention provides a service protection method for dual IP deployment of a transmission network, where the transmission network includes a transmission network gateway and a transmission network device, and a wireless base station and a base station controller are respectively carried at two ends of the transmission network, and the method includes the following steps:
configuring a first IP address field on the transmission network gateway and the base station controller equipment; configuring a second IP address field and a third IP address field on the transmission network gateway and the base station equipment; the first IP address segment, the second IP address segment and the third IP address segment belong to different IP address network segments respectively;
referring to fig. 2, an MPLS protocol is enabled in the transmission network, and two MPLS tunnels penetrating the transmission network are established, where the MPLS tunnels are used as communication channels between the base station device and the base station control device; and configuring two MPLS tunnels to respectively bind the second IP address field and the third IP address field.
The embodiment of the invention respectively configures the double IP for the wireless base station and the transmission network gateway connected with the wireless base station, and can ensure the normal transmission of the base station data after the transmission network node fails, the transmission link fails and the transmission network software fails by matching with the MPLS tunnel technology.
As a preferred embodiment, the method further comprises the steps of:
the two MPLS tunnels comprise a first MPLS tunnel and a second MPLS tunnel, wherein the first MPLS tunnel binds the second IP address segment, and the second MPLS tunnel binds the third IP address segment;
the state detection IP data message of the first MPLS tunnel is periodically and mutually sent between the first IP address of the base station control equipment and the second IP address of the base station equipment;
the first IP address of the base station control equipment and the third IP address of the base station equipment periodically send a state detection IP data message of a second MPLS tunnel to each other;
if the MPLS tunnel state detection message is normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment;
if the MPLS tunnel state detection message is not normally received and transmitted in the first MPLS tunnel, controlling the base station equipment to only send the base station service data to the third IP address field;
and if the MPLS tunnel state detection message is not normally received and transmitted in the second MPLS tunnel, controlling the base station equipment to only send the base station service data to the second IP address field.
If the MPLS tunnel state detection message is not normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address field and the third IP address field;
and if the MPLS tunnel state detection message returns to normal receiving and sending on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment.
The embodiment of the invention can realize that the looped network simultaneously transmits the base station data in east and west directions by utilizing the looped network of the transmission network by matching the dual IP deployment with the MPLS tunnel technology, thereby fully utilizing the bandwidth resource of the transmission network.
The wireless base station and the transmission network gateway equipment form a wireless access network; the base station controller and the gateway equipment of the transmission network form a core network; the transmission network devices are connected by adopting star, ring or chain topology.
The transmission network equipment is logically interconnected by using NNI ports; the transmission network and the wireless base station are logically interconnected by using a UNI port; the transmission network and the base station controller are logically interconnected by using a UNI port; the wireless base stations, the base station controller and the transmission network are connected with each other by using optical cables or electric cables.
Example 2:
the embodiment of the present invention further provides a dual-IP deployed service protection system for a transmission network, where the transmission network includes a transmission network gateway and a transmission network device, and the transmission network is used to implement communication between a base station device and a base station controller device, and the system includes:
an IP configuration module to: configuring a first IP address field on the transmission network gateway and the base station controller equipment; configuring a second IP address field and a third IP address field on the transmission network gateway and the base station equipment; the first IP address segment, the second IP address segment and the third IP address segment belong to different IP address network segments respectively;
an MPLS tunnel deployment module to: starting an MPLS protocol in the transmission network, and establishing two MPLS tunnels penetrating the transmission network, wherein the two MPLS tunnels comprise a first MPLS tunnel and a second MPLS tunnel, and the MPLS tunnels are used as communication channels between base station equipment and base station control equipment; and configuring two MPLS tunnels to respectively bind the second IP address field and the third IP address field.
The embodiment of the invention respectively configures the double IP for the wireless base station and the transmission network gateway connected with the wireless base station, and can ensure the normal transmission of the base station data after the transmission network node fails, the transmission link fails and the transmission network software fails by matching with the MPLS tunnel technology.
As a preferred embodiment, the MPLS tunnel deployment module is specifically configured to: configuring a first MPLS tunnel to bind the second IP address section, and configuring a second MPLS tunnel to bind the third IP address section;
the system also includes a status detection module to: periodically sending a state detection IP data message of a first MPLS tunnel between a first IP address of the base station control equipment and a second IP address of the base station equipment; periodically sending a state detection IP data message of a second MPLS tunnel between a first IP address of the base station control equipment and a third IP address of the base station equipment;
the system also includes a transceiver control module configured to:
if the MPLS tunnel state detection message is normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment;
if the MPLS tunnel state detection message is not normally received and transmitted in the first MPLS tunnel, controlling the base station equipment to only send the base station service data to the third IP address field; and if the MPLS tunnel state detection message is not normally received and transmitted in the second MPLS tunnel, controlling the base station equipment to only send the base station service data to the second IP address field.
If the MPLS tunnel state detection message is not normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address field and the third IP address field;
and if the MPLS tunnel state detection message returns to normal receiving and sending on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment.
The embodiment of the invention can realize that the looped network simultaneously transmits the base station data in east and west directions by utilizing the looped network of the transmission network by matching the dual IP deployment with the MPLS tunnel technology, thereby fully utilizing the bandwidth resource of the transmission network.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention, provided they are within the scope of the claims of the present invention and their equivalents. What is not described in detail in the specification is prior art that is well known to those skilled in the art.

Claims (4)

1. A service protection method for dual IP deployment of transmission network, the transmission network includes transmission network gateway and transmission network equipment, the wireless base station and base station controller are respectively carried at two ends of the transmission network, characterized in that, it includes following steps:
configuring a first IP address field on the transmission network gateway and the base station controller equipment; configuring a second IP address field and a third IP address field on the transmission network gateway and the base station equipment; the first IP address segment, the second IP address segment and the third IP address segment belong to different IP address network segments respectively;
starting an MPLS protocol in the transmission network, and establishing two MPLS tunnels penetrating the transmission network, wherein the MPLS tunnels are used as communication channels between the base station equipment and the base station control equipment; configuring two MPLS tunnels to respectively bind the second IP address field and the third IP address field;
the two MPLS tunnels comprise a first MPLS tunnel and a second MPLS tunnel, wherein the first MPLS tunnel binds the second IP address segment, and the second MPLS tunnel binds the third IP address segment;
the base station controls a state detection IP data message of a first MPLS tunnel to be periodically sent between a first IP address of 7 equipment and a second IP address of the base station equipment;
the first IP address of the base station control equipment and the third IP address of the base station equipment periodically send a state detection IP data message of a second MPLS tunnel to each other;
if the MPLS tunnel state detection message is normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment;
if the MPLS tunnel state detection message is not normally received and transmitted in the first MPLS tunnel, controlling the base station equipment to only send the base station service data to the third IP address field;
if the MPLS tunnel state detection message is not normally received and transmitted in a second MPLS tunnel, controlling the base station equipment to only send the base station service data to the second IP address field;
the method further comprises the steps of:
if the MPLS tunnel state detection message is not normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address field and the third IP address field;
and if the MPLS tunnel state detection message returns to normal receiving and sending on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment.
2. The method of claim 1, wherein:
the wireless base station and the transmission network gateway equipment form a wireless access network; the base station controller and the gateway equipment of the transmission network form a core network; the transmission network devices are connected by adopting star, ring or chain topology.
3. The method of claim 1, wherein: the transmission network equipment is logically interconnected by using NNI ports; the transmission network and the wireless base station are logically interconnected by using a UNI port; the transmission network and the base station controller are logically interconnected by using a UNI port; the wireless base stations, the base station controller and the transmission network are connected with each other by using optical cables or electric cables.
4. A service protection system for dual IP deployment of a transmission network, said transmission network comprising a transmission network gateway and a transmission network device, the transmission network being configured to implement communication between a base station device and a base station controller device, said system comprising:
an IP configuration module to: configuring a first IP address field on the transmission network gateway and the base station controller equipment; configuring a second IP address field and a third IP address field on the transmission network gateway and the base station equipment; the first IP address segment, the second IP address segment and the third IP address segment belong to different IP address network segments respectively;
an MPLS tunnel deployment module to: starting an MPLS protocol in the transmission network, and establishing two MPLS tunnels penetrating the transmission network, wherein the two MPLS tunnels comprise a first MPLS tunnel and a second MPLS tunnel, and the MPLS tunnels are used as communication channels between base station equipment and base station control equipment; configuring two MPLS tunnels to respectively bind the second IP address field and the third IP address field;
the MPLS tunnel deployment module is specifically configured to: configuring a first MPLS tunnel to bind the second IP address section, and configuring a second MPLS tunnel to bind the third IP address section;
the system also includes a status detection module to: periodically sending a state detection IP data message of a first MPLS tunnel between a first IP address of the base station control equipment and a second IP address of the base station equipment; periodically sending a state detection IP data message of a second MPLS tunnel between a first IP address of the base station control equipment and a third IP address of the base station equipment;
the system also includes a transceiver control module configured to: if the MPLS tunnel state detection message is normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment; if the MPLS tunnel state detection message is not normally received and transmitted in the first MPLS tunnel, controlling the base station equipment to only send the base station service data to the third IP address field; if the MPLS tunnel state detection message is not normally received and transmitted in a second MPLS tunnel, controlling the base station equipment to only send the base station service data to the second IP address field;
the transceiving control module is further configured to: if the MPLS tunnel state detection message is not normally received and sent on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address field and the third IP address field;
and if the MPLS tunnel state detection message returns to normal receiving and sending on the first MPLS tunnel and the second MPLS tunnel, controlling the base station equipment to respectively send the base station service data to the second IP address segment and the third IP address segment.
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