CN110971456A - Design method of computer network system suitable for large-scale commercial complex - Google Patents
Design method of computer network system suitable for large-scale commercial complex Download PDFInfo
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- CN110971456A CN110971456A CN201911140982.3A CN201911140982A CN110971456A CN 110971456 A CN110971456 A CN 110971456A CN 201911140982 A CN201911140982 A CN 201911140982A CN 110971456 A CN110971456 A CN 110971456A
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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
- 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
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/15—Interconnection of switching modules
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/35—Switches specially adapted for specific applications
- H04L49/354—Switches specially adapted for specific applications for supporting virtual local area networks [VLAN]
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Abstract
The invention discloses a design method of a computer network system suitable for a large-scale commercial complex, which relates to the technical field of computer networks and comprises the following steps: constructing a three-layer network architecture model, wherein the three-layer network architecture model divides a network into a three-layer structure of an access layer, a convergence layer and a core layer according to functions, the access layer is used for accessing a workstation into the network, the convergence layer is used for converging the networks of a plurality of access layers, and the core layer is used for carrying out high-speed exchange on the networks of the plurality of convergence layers; according to the three-layer network architecture model, the integrated body is divided into a plurality of areas, two core switches which are mutually backup are arranged in the integrated body, an aggregation switch and a plurality of access switches are arranged in each area, each access switch is arranged between equipment in each area, the aggregation switches in all the areas are all in network connection with the two core switches, and all the access switches in the same area are all in network connection with the aggregation switch.
Description
Technical Field
The invention relates to the technical field of computer networks, in particular to a design method of a computer network system suitable for a large-scale commercial complex.
Background
The intelligent building aims to provide a safe and comfortable environment for people, provide quick service, establish an advanced and scientific comprehensive management mechanism and achieve the purposes of protecting environment, saving energy and reducing labor cost. The intelligent system engineering is an important component of the commercial complex and is used for ensuring the coordination of each business state and each professional management and the optimization of operation of the complex. The computer network system is a system which interconnects a plurality of computer systems with different geographic positions and independent functions by utilizing communication equipment and lines, and realizes resource sharing and information transmission in the network by network software with complete functions. The communication between the computers is realized through the interconnection of the computers, thereby realizing the functions of sharing, cooperative work and the like of information, software and equipment resources between computer systems.
Computer network systems in the prior art are mainly directed to analyzing a single network in a traditional single building or building group. However, with the increasing scale of complex buildings in recent years, more and more complexes appear as building groups, and with the development of network technology, the functions of each service board in the complex are realized by relying on basic network technology. In the operation process of a large-scale complex project, a user requires that the networks of all service plates can operate independently so as to ensure the safety and stability of the operation of subsystems; it is necessary for the manager to know the operation of each network board in the building group and the data carried by the network board on a computer (remotely). Therefore, there is a need for a computer network system for use in large business complexes.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a design method of a computer network system suitable for a large-scale commercial complex, which is suitable for the large-scale commercial complex, realizes network communication and data sharing, has more stable and reliable network distribution and is convenient to manage.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a design method of computer network system suitable for large business complex comprises the following steps:
constructing a three-layer network architecture model, wherein the three-layer network architecture model divides a network into a three-layer structure of an access layer, a convergence layer and a core layer according to functions, the access layer is used for accessing a workstation into the network, the convergence layer is used for converging the networks of a plurality of access layers, and the core layer is used for carrying out high-speed exchange on the networks of the plurality of convergence layers;
dividing the integrated body into a plurality of areas according to the three-layer network architecture model, arranging two core switches which are mutually backup in the integrated body, arranging a convergence switch and a plurality of access switches in each area, arranging each access switch between equipment in each area, connecting the convergence switches of all the areas with the two core switches through a network, and connecting all the access switches in the same area with the convergence switch through a network; at the same time, the user can select the desired position,
all core switches are located at a core layer of the network architecture, all aggregation switches are located at an aggregation layer of the network architecture, and all access switches are located at an access layer of the network architecture.
On the basis of the technical scheme, the method further comprises the following steps: and setting a monitoring system, wherein the monitoring system is connected with all the core switches, the aggregation switches and the access switches, and monitors the states of all the core switches, the aggregation switches and the access switches.
On the basis of the technical scheme, the method further comprises the following steps: all aggregation switches and access switches are physically isolated.
On the basis of the technical scheme, all the aggregation switches are double-link switches.
On the basis of the technical scheme, the core layer adopts an IRF2 virtualization technology to virtualize two core switches into a logic switch.
On the basis of the technical scheme, the aggregation switch adopts double-trillion links to bind uplink.
On the basis of the technical scheme, the routing protocol adopted by the core switch IS one of an Open Shortest Path First (OSPF) protocol, an intermediate system to intermediate system (IS-IS) protocol or a Border Gateway Protocol (BGP).
On the basis of the technical scheme, the aggregation switch is a switch supporting a three-layer switching technology and a VLAN.
On the basis of the above technical solution, the routing protocol adopted by the access switch IS one of a routing information protocol RIPv2, a static routing protocol, an open shortest path first OSPF protocol, or an intermediate system to intermediate system IS-IS protocol.
On the basis of the technical scheme, the core switch is configured with a gigabit optical port service board, and the convergence switch is configured with a gigabit optical port service board.
Compared with the prior art, the invention has the advantages that: the design method of the computer network system suitable for the large-scale commercial complex is suitable for the large-scale commercial complex, realizes network communication and data sharing, has more stable and reliable network distribution, and is convenient to manage.
Drawings
FIG. 1 is a flow chart of a method for designing a computer network system suitable for a large business complex according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, an embodiment of the present invention provides a method for designing a computer network system suitable for a large-scale business complex, including the steps of:
s1: constructing a three-layer network architecture model, wherein the three-layer network architecture model divides a network into a three-layer structure of an access layer, a convergence layer and a core layer according to functions, the access layer is used for accessing a workstation into the network, the convergence layer is used for converging the networks of a plurality of access layers, and the core layer is used for carrying out high-speed exchange on the networks of the plurality of convergence layers;
s2: dividing the integrated body into a plurality of areas according to the three-layer network architecture model, arranging two core switches which are mutually backup in the integrated body, arranging a convergence switch and a plurality of access switches in each area, arranging each access switch between equipment in each area, connecting the convergence switches of all the areas with the two core switches through a network, and connecting all the access switches in the same area with the convergence switch through a network; at the same time, the user can select the desired position,
all core switches are located at a core layer of the network architecture, all aggregation switches are located at an aggregation layer of the network architecture, and all access switches are located at an access layer of the network architecture.
The design method of the computer network system suitable for the large-scale commercial complex is suitable for the large-scale commercial complex, network communication and data sharing are realized, network distribution is more stable and reliable, and management is convenient.
Furthermore, the method for designing the computer network system suitable for the large-scale business complex of the embodiment of the invention further comprises the following steps: and setting a monitoring system, wherein the monitoring system is connected with all the core switches, the aggregation switches and the access switches, and monitors the states of all the core switches, the aggregation switches and the access switches. The monitoring system can realize the monitoring of the whole complex network, and is convenient for management and maintenance.
Furthermore, the method for designing a computer network system suitable for a large-scale business complex according to the embodiment of the present invention further includes the steps of: all aggregation switches and access switches are physically isolated.
In the embodiment of the invention, the core layer adopts an IRF2 virtualization technology to virtualize two core switches into one logical switch. The core layer device adopts dual-machine redundancy hot backup or uses a load balancing function to improve the network performance, so that the computer network system is more reliable.
The core switch is configured with a gigabit optical port service board, and the convergence switch is configured with a gigabit optical port service board.
The core layer is a high-speed switching backbone of the network and plays a vital role in the communication of the whole network. The core layer should have the following characteristics: reliability, efficiency, redundancy, fault tolerance, manageability, adaptability, low latency, etc. In the core layer, giga-or more switches of high bandwidth should be employed.
The routing protocol adopted by the core switch IS one of an Open Shortest Path First (OSPF) protocol, an intermediate system to intermediate system (IS-IS) protocol or a Border Gateway Protocol (BGP), and has the characteristics of high convergence speed and good expansibility.
In the embodiment of the invention, the convergence layer is the 'intermediary' of the network access layer and the core layer, namely, the convergence is performed before the workstation accesses the core layer, so as to reduce the load of the core layer equipment. The convergence layer has multiple functions of implementing policy, security, workgroup access, routing between Virtual Local Area Networks (VLANs), source address or destination address filtering, and the like. In the convergence layer, a switch supporting three-layer switching technology and VLAN should be selected to achieve the purpose of network isolation and segmentation.
All the aggregation switches are dual-link switches. The aggregation switch is a switch supporting three-layer switching technology and VLAN, and double-trillion links are adopted for binding uplink. The routing protocol adopted by the convergence switch IS an Open Shortest Path First (OSPF) protocol, an intermediate system to intermediate system (IS-IS) protocol and the like, and has the characteristics of high convergence speed, support of routing aggregation and load sharing, and easiness in implementation of routing strategies.
In the embodiment of the present invention, the routing protocol adopted by the access switch IS one of a routing information protocol RIPv2, a static routing protocol, an open shortest path first OSPF protocol, or an intermediate system to intermediate system IS-IS protocol. The access stratum may choose to select a generic switch that does not support VLAN and three-tier switching technologies.
Specifically, the access switch adopts a Stub area of an open shortest path first OSPF protocol or a Level-1 area from an intermediate system to an intermediate system IS-IS protocol, so as to reduce the number of routes in the area and reduce the influence of the route change of an access layer on a convergence layer.
In practical application, taking a computer network system of a large business complex as an example, the computer network system includes 53 access switches, 3 aggregation switches and 2 core switches, the complex has A, B, C three areas, and each area has an aggregation switch.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A method of designing a computer network system suitable for use in a large business complex, comprising the steps of:
constructing a three-layer network architecture model, wherein the three-layer network architecture model divides a network into a three-layer structure of an access layer, a convergence layer and a core layer according to functions, the access layer is used for accessing a workstation into the network, the convergence layer is used for converging the networks of a plurality of access layers, and the core layer is used for carrying out high-speed exchange on the networks of the plurality of convergence layers;
dividing the integrated body into a plurality of areas according to the three-layer network architecture model, arranging two core switches which are mutually backup in the integrated body, arranging a convergence switch and a plurality of access switches in each area, arranging each access switch between equipment in each area, connecting the convergence switches of all the areas with the two core switches through a network, and connecting all the access switches in the same area with the convergence switch through a network; at the same time, the user can select the desired position,
all core switches are located in a core layer of the three-layer network architecture, all aggregation switches are located in an aggregation layer of the three-layer network architecture, and all access switches are located in an access layer of the three-layer network architecture.
2. A method of designing a computer network system for a large business complex according to claim 1, further comprising the steps of: and setting a monitoring system, wherein the monitoring system is connected with all the core switches, the aggregation switches and the access switches, and monitors the states of all the core switches, the aggregation switches and the access switches.
3. A method of designing a computer network system for a large business complex according to claim 1, further comprising the steps of: all aggregation switches and access switches are physically isolated.
4. A method of designing a computer network system suitable for use in a large commercial complex, according to claim 1, wherein: all the aggregation switches are dual-link switches.
5. A method of designing a computer network system suitable for use in a large commercial complex, according to claim 1, wherein: the core layer virtualizes two core switches into one logical switch by using an IRF2 virtualization technology.
6. A method of designing a computer network system suitable for use in a large commercial complex, according to claim 1, wherein: the aggregation switch adopts double-trillion links to bind uplink.
7. A method of designing a computer network system suitable for use in a large commercial complex, according to claim 1, wherein: the routing protocol adopted by the core switch IS one of an Open Shortest Path First (OSPF) protocol, an intermediate system to intermediate system (IS-IS) protocol or a Border Gateway Protocol (BGP).
8. A method of designing a computer network system suitable for use in a large commercial complex, according to claim 1, wherein: the aggregation switch is a switch supporting three-layer switching technology and VLAN.
9. A method of designing a computer network system suitable for use in a large commercial complex, according to claim 1, wherein: the routing protocol adopted by the access switch IS one of a routing information protocol RIPv2, a static routing protocol, an open shortest Path first OSPF protocol or an intermediate system to intermediate system IS-IS protocol.
10. A method of designing a computer network system suitable for use in a large commercial complex, according to claim 1, wherein: the core switch is configured with a gigabit optical port service board, and the convergence switch is configured with a gigabit optical port service board.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112636948A (en) * | 2020-12-01 | 2021-04-09 | 苏州浪潮智能科技有限公司 | Network terminal computing resource coordination system and method |
| CN114826822A (en) * | 2022-03-10 | 2022-07-29 | 河钢乐亭钢铁有限公司 | Multi-layer network security architecture method for iron and steel enterprise |
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Cited By (3)
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| CN112636948A (en) * | 2020-12-01 | 2021-04-09 | 苏州浪潮智能科技有限公司 | Network terminal computing resource coordination system and method |
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