CN106452923B - A kind of the flow simulation generation system and method for content oriented central site network - Google Patents
A kind of the flow simulation generation system and method for content oriented central site network Download PDFInfo
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- CN106452923B CN106452923B CN201611086210.2A CN201611086210A CN106452923B CN 106452923 B CN106452923 B CN 106452923B CN 201611086210 A CN201611086210 A CN 201611086210A CN 106452923 B CN106452923 B CN 106452923B
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- H—ELECTRICITY
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- 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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Abstract
The flow simulation generation system and method for a kind of content oriented central site network is claimed in the present invention.Including the customized flow generator of agreement and content center network content caching node.1) the customized flow generator of agreement includes interface module, control module and flow generation module, is each responsible for the generation of displaying, the control and custom protocol flow that work normally to flow generator of system interface.2) content requests that content center network content caching node is responsible for generating the customized flow generator of agreement respond.It is attached between the customized flow generator of agreement and content center network (CCN) content caching node by tunneling technique.Tunneling technique is utilized in the present invention, the Internet transmission to content center network (CCN) can be passed through, the inlet of heart network (CCN) goes out to unseal data packet in the content, and content center network (CCN) experimental network newly to construct provides network context flow.
Description
Technical field
The present invention relates to network software technical field, especially a kind of flow simulation of content oriented central site network (CCN)
Generation system and method.
Background technique
It is increasingly various with the explosion of internet scale and based on Internet application, it is existing to be based on the internet IP
Limitation it is increasingly apparent.It in the world include China, the U.S., South Korea and Japan to solve the problems, such as that current internet exists
The correlative study about future network has been classified as a part of national significant development strategy by multiple countries inside.Network flow
As the important component of internet, experimental network is equally played and its important role, therefore how to be mentioned for experimental network
High huge background traffic has become a part indispensable in future network research, and network flow simulation generation system is just
It is the tool for generating background traffic for experimental network, network flow simulates generation system and passes through simulation certain amount real user
To the resource request of actual website, and then generate several network context flows using different agreement.But this network flow
Simulation generation system can only generate the network flow of several prior fixed protocols, and cannot be customized certainly according to the demand of user
The network flow of own design agreement is greatly lowered exploitation and test of the scientific research personnel to new agreement in this way.
Content center network (CCN) is one in emerging network architecture, and CCN is built upon in name data basis
Communication construction, it is using data name rather than IP address carries out data transmission, and data itself is allowed to become in the Internet architecture
Key element, effectively alleviate conventional internet IPv4 frequency and face that exhausted, security breaches are more, service quality control ability is poor
Circumstances.But just because of this characteristic of content center network (CCN), its data packet can not be with IP-based conventional internet
It is compatible, generate content center network flow for simulation and cause huge difficulty, also for the protocol test of content center network with
Exploitation causes strong influence.
Once handsome wait of inventor has applied for a kind of concurrent type frog stream based on multiple network data service on 09 30th, 2015
Generating system is measured, a large number of users request heterogeneous networks data service can be simulated and generates flow, provides for try net and really may be used
The network context flow of letter.But this method can only generate the network flow of fixed protocol for conventional internet, for passing
Defeated agreement is not formed for the novel network architecture of industrywide standard, and flexibility is far from being enough, once replacement passes
Defeated agreement cannot work normally.Therefore, two incompatible networks can be connected by tunneling technique by designing one, into
The network flow simulation generation system of row custom protocol to the Related Research Domain of future network, as agreement research and development, performance with
Functional test etc. is of great significance.
Summary of the invention
Present invention seek to address that the above problem of the prior art.Propose a kind of flexibility for improving scalability and exploitation
Flow simulation generation system and method.Technical scheme is as follows:
A kind of flow simulation generation system of content oriented central site network comprising the customized flow generator of agreement and
CCN content caching node, wherein
The customized flow generator of agreement: it is carried out for being customized to user, software and hardware resources, course equalization and agreement
Management, connects the message issued from interface, and the behavior of simulation real user request resource accordingly, constructs content center network
In Interest packet, and by tunnel transmission to CCN content caching node and receive its return response data packet；
The CCN content caching node has the requested content resource of the customized flow generator of agreement, certainly to agreement
The request for defining flow generator is handled, and is responded, and then generates CCN network flow.
Further, the customized flow generator of the agreement includes interface, control module and flow generation module,
In: the interface provides a visual web interface, is responsible for the configuration of relevant parameter and issues, and user can be from interface
In check the distribution and service condition of the operation conditions and resource of each module of system in a network；The control module be used for
Family, software and hardware resources, course equalization and agreement customization are managed, and the data generating module is used for what basis received
Interest packet in message constructing content center network.
Further, the control module includes user management module, resource management module, process manager module and agreement
Customized module, wherein the user management module is responsible for registration and cancellation, the control of account permission, account to user's account
Distribution, operation history and the habit and common experimental environment of family resource are recorded；Resource management module is responsible for the generation of convection current amount
The hardware of module is virtualized with software resource, and to the resource allocation after virtual to the different accounts of different user groups, and
Isolation features between account are provided；Process manager module is used to manage the progress of work race of each function of flow generation module, including
Database process, database connection pool process, flow generate process and traffic statistics process, at the same provide based on polling mechanism and
Load balancing between more progresses of work of CCN routing forwarding mechanism, keeps each process mutually coordinated；Agreement customized module is responsible for basis
The demand of user carries out including that addition, deletion, modification and the data of field are filled in interior operation, the different type of customization
CCN network communication protocol.
Further, the flow generation module includes database, database connection pool, data statistics module, CCN interest
Packet constructing module and CCN resolve packet module, wherein the database is for storing the detailed of the flow simulation generation system
Information, comprising: Virtual User is to the access information of CCN resource, user's permission and resource information, analog subscriber information, generation
The record of flow information and storage；Database connection pool is used in the case of high concurrent amount, the number established to process and database
According to the maintenance and management of library connection pool；Data statistics module will be analyzed for analyzing the information stored in database
As a result interface is sent to be shown；Request constructing module is used to receive the message of agreement customized module transmission, and according to reception
To message constructing CCN in Interest packet, CCN content caching node is sent to by tunnel；CCN resolve packet module
The Data packet responded for receiving the Interest data packet that content caching node generates request constructing module in CCN,
And data therein are parsed, including total length of data, content sources and arrival time.
Further, the CCN content caching node includes request processing module, and request processing module is used for processing protocol
The Interest request packet that customized flow generator generates, the function including request response, content transmission and abnormality processing
Energy.
Further, the CCN content caching node can be deployed in any one or more nodes in CCN network
On, receive the request that the customized flow generator of agreement generates, and responded.
Further, the interface can also be generated with isolated operation in private server with control module and flow
Module is disposed on the same server, and the Web page that user can be provided by http protocol access interface module realizes parameter
Configuration and agreement customization, resource allocation check that current system conditions operate；Between interface and control module and flow generation module
By socket connection communication, realize user's operation parameter issue and the upload of running state parameter.
A kind of flow simulation production method of the content oriented central site network based on the system, which is characterized in that including
Following steps: 1) user carries out Account Registration by interface, and issues configuration information；2) control module is issued further according to interface
Configuration information carry out carrying out agreement customization, resource allocation and user management towards CCN；3) flow generation module carry out towards
The request of CCN constructs, and is sent to CCN by tunnel, and CCN content caching node responds the request received, and leads to
It crosses tunnel and sends responses to the customized flow generator of agreement；4) flow generation module parses request and response message
With data statistics, and interface is sent by statistical result, carry out Web displaying.
It advantages of the present invention and has the beneficial effect that:
The present invention provides the flow simulation generation systems and method of a kind of content oriented central site network (CCN), being capable of face
The CCN set up into experimental network generates a large amount of Virtual User to the customized net of the agreement of CCN content requests except experimental network
Network background traffic, after being encapsulated using tunneling technique, by conventional internet, transmission generates the network context flow of CCN, to reality
It tests the exploitation of new agreement in net and test has and its important help.System is generated compared to traditional network flow simulation
System, the present invention virtualizes hardware and software resource using virtualization technology, and provides agreement custom block, makes to develop
Personnel can designed, designed and exploitation the new agreement towards CCN, with stronger scalability and exploitation flexibility.Inventor
Once handsome equal to have applied for a kind of concurrent type frog flow generating system based on multiple network data service on 09 30th, 2015, it can be with
The request heterogeneous networks data service of simulation a large number of users simultaneously generates flow, and genuine and believable network context stream is provided for try net
Amount.But this method can only generate the network flow of fixed protocol for conventional internet, and transport protocol is not formulated
For the novel network architecture of standard, flexibility is far from being enough, once replacement transport protocol, it cannot normal work
Make.The present invention by comparison only needs to extend a small number of modules when facing other new network architectures, can carry out new
Agreement customization can carry out flexible agreement customization for CCN network, really do to generate corresponding network background traffic
The flexibility and scalability of height are arrived.
Detailed description of the invention
Fig. 1 is that the present invention provides preferred embodiment offer preferred embodiment modular structure schematic diagram；
Fig. 2 is deployment schematic diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, detailed
Carefully describe.Described embodiment is only a part of the embodiments of the present invention.
The present invention solve above-mentioned technical problem technical solution be,
The present invention provides the flow simulation generation systems and method of a kind of content oriented central site network (CCN), specific
For structure as shown in attached drawing one, the customized network flow simulation generation system of the agreement that should be realized towards CCN and method include: agreement
Customized flow generator 10 and CCN content caching node 11, in which:
In the customized flow generator 10 of agreement, interface 12 provides a visual web interface, is responsible for relevant parameter
It configures and issues, user can check the distribution of the operation conditions and resource of each module of system in a network and be made from interface
Use situation.
Control module 13 guarantees that multiple users make by account to by managing to user's account, resource
With interference will not be generated when resource；Each operation process is coordinated and managed, guarantees system order, effective normal work；It is right
Agreement is customized, and meets the needs of user verifies new agreement.
Further, control module 13 includes that user management 15, resource management 16, management of process 17 and agreement customize 18 4
Submodule, in which:
15 submodule of user management is responsible for registration and cancellation, the control of account permission, account resource to user's account
Distribution, operation history and habit and common experimental environment recorded.
The hardware that resource management module 16 is responsible for convection current amount generation module is virtualized with software resource, and according to interface
The 12 analog subscriber numbers issued, to the resource allocation after virtual to the different accounts of different user groups, and provide between account every
From function.
Process manager module 17 is used to manage the progress of work race of each function of flow generation module 14, including database into
Journey, database connection pool process, flow generate process and traffic statistics process, while providing and being routed based on polling mechanism and CCN
Load balancing between more progresses of work of forwarding mechanism, keeps each process mutually coordinated, improves system to the utilization rate of hardware.
Agreement customized module 18 is responsible for the CCN network protocol being customized according to the demand of user.
Flow generation module 14 receives the message that control module is customized agreement, and the content for constructing CCN accordingly is asked
Packet is sought, the response bag for carrying out response to request that content caching node in CCN is passed back is parsed.Request packet and response bag are solved
It is stored in the database after analysis and record, and the data of storage is counted and analyzed.
Further, flow generation module 14 includes database 19, database connection pool 110, data statistics 111, CCN interest
113 5 submodules of packet constructing module 112 and CCN resolve packet module, in which:
Database 19 is used to store the details of the system, comprising: access information, user's permission to CCN resource
And resource information, analog subscriber information, the record for generating flow information and storage；
Database connection pool 110 is used in the case of high concurrent amount, the database connection pool established to process and database
Maintenance and management；
Data statistics 111 sends interface to for analyzing the information stored in database 19, and by analysis result
12 are shown；
CCN interest packet constructing module 112 is used to receive agreement and customizes the message that 18 modules are sent, and is disappeared according to what is received
Interest packet in breath construction CCN, is sent to CCN by tunnel；
CCN resolve packet module 113 is used to receive what content caching node in CCN generated request 112 modules of construction
The Data packet that Interest data packet is responded, and parse data therein, including total length of data, content sources and arrive
Up to the time；
Request in CCN content caching node 11 handles 114 modules in the generation of the customized flow generator of agreement 10
Hold request to be handled, including response, content are sent and the functions such as abnormality processing.
As shown in attached drawing one, towards the high CCN customized network flow simulation generation system of agreement realized and method by assisting
It discusses customized flow generator 10 and CCN content caching node 11 forms, specific deployed position is as shown in Fig. 2.
Its median surface 12 can be with isolated operation in private server, can also be with control module 13 and flow generation module 14
On the same server, user can access the Web page that 12 module of interface provides by http protocol for deployment, realize that parameter is matched
It sets and agreement customization, resource allocation, the operation such as check current system conditions.Interface 12 and control module 13 and flow generation module
By socket connection communication between 14, realize user's operation parameter issue and the upload of running state parameter.
Control module 13 and flow generation module 14 communicated except through socket connection with 12 module of interface it is outer, also need with
CCN network 24 establishes physical connection, establishes the customized flow generator 10 of agreement and CCN network 24 using gateway 21 and gateway 22
Between be in communication with each other by the tunnel of internet 23.
CCN content caching node 11 can be deployed in any one or more several points in CCN network 24, receive agreement
The request that customized flow generator 10 generates, and responded.
The above embodiment is interpreted as being merely to illustrate the present invention rather than limit the scope of the invention.?
After the content for having read record of the invention, technical staff can be made various changes or modifications the present invention, these equivalent changes
Change and modification equally falls into the scope of the claims in the present invention.
Claims (8)
1. a kind of flow simulation generation system of content oriented central site network, which is characterized in that including the customized flow hair of agreement
Raw device (10) and CCN content caching node (11), wherein
The customized flow generator of agreement (10): it is carried out for being customized to user, software and hardware resources, course equalization and agreement
Management, the message that reception interface (12) is sent, and the behavior of simulation real user request resource accordingly, construct content center network
In Interest packet, and by tunnel transmission to CCN content caching node and receive its return response data packet；
The CCN content caching node (11) has the customized flow generator of agreement (10) requested content resource, to association
The request for discussing customized flow generator (10) is handled, and is responded, and then generates CCN network flow.
2. the flow simulation generation system of content oriented central site network according to claim 1, which is characterized in that the association
Discussing customized flow generator (10) includes interface (12), control module (13) and flow generation module (14), in which: the boundary
Face (12) provide a visual web interface, be responsible for relevant parameter configuration with issue, user can check from interface
The distribution and service condition of the operation conditions and resource of each module of system in a network；The control module (13) be used for
Family, software and hardware resources, course equalization and agreement customization are managed, and the data generating module (14) is used for according to reception
To message constructing content center network in Interest packet.
3. the flow simulation generation system of content oriented central site network according to claim 2, which is characterized in that the control
Molding block (13) includes user management module (15), resource management module (16), process manager module (17) and agreement custom mold
Block (18), wherein the user management module (15) be responsible for the registration of user's account and cancellation, the control of account permission,
Distribution, operation history and the habit and common experimental environment of account resource are recorded；Resource management module (16) is responsible for convection current
Amount generation module hardware virtualized with software resource, and to virtually after resource allocation to different user groups different accounts
Family, and the isolation features between account are provided；Process manager module (17) is used to manage the work of flow generation module (14) each function
Make process race, including database process, database connection pool process, flow generate process and traffic statistics process, provide simultaneously
Load balancing between more progresses of work based on polling mechanism and CCN routing forwarding mechanism, keeps each process mutually coordinated；Agreement is fixed
Molding block (18) be responsible for being carried out according to the demand of user include field addition, deletion, modification and data be filled in behaviour
Make, customizes different types of CCN network communication protocol.
4. the flow simulation generation system of content oriented central site network according to claim 2 or 3, which is characterized in that institute
Stating flow generation module (14) includes database (19), database connection pool (110), data statistics module (111), CCN interest
Packet constructing module (112) and CCN resolve packet module (113), wherein the database (19) is for storing the flow simulation
The details of generation system, record storage Virtual User to the access information of CCN resource, user's permission and resource information,
Each information in analog subscriber information and generation these four information of flow information；Database connection pool (110) is used for height simultaneously
In the case of hair amount, to the maintenance and management for the database connection pool that process and database are established；Data statistics module (111) is used
It is analyzed in the information stored in database (19), and sends analysis result to interface (12) and be shown；Request structure
Modeling block (112) is used to receive the message that agreement customization (18) module is sent, and according in the message constructing CCN received
Interest packet is sent to CCN content caching node by tunnel；CCN resolve packet module (113) is for receiving in CCN
The Data packet that the Interest data packet that content caching node generates request construction (112) module is responded, and parse
Data therein, including total length of data, content sources and arrival time.
5. the flow simulation generation system of content oriented central site network according to claim 1 or 2 or 3, which is characterized in that
The CCN content caching node (11) includes request processing module (114), and request processing module (114) is used for processing protocol certainly
The Interest request packet that flow generator (10) generate is defined, including request response, content transmission and abnormality processing
Function.
6. the flow simulation generation system of content oriented central site network according to claim 2, which is characterized in that described
CCN content caching node (11) can be deployed on any one or more nodes in CCN network, receive the customized stream of agreement
The request that generator (10) generate is measured, and is responded.
7. the flow simulation generation system of content oriented central site network according to claim 2, which is characterized in that the boundary
Face (12) can also be deployed in together with isolated operation in private server with control module (13) and flow generation module (14)
On one server, user can access the Web page that interface (12) module provides by http protocol, realize parameter configuration and association
Agreed system, resource allocation, each operation for checking current system conditions；Interface (12) and control module (13) and flow generate
By socket connection communication between module (14), realize user's operation parameter issue and the upload of running state parameter.
8. a kind of flow simulation production method of the content oriented central site network based on system described in claim 2, feature exist
In, comprising the following steps: 1) user carries out Account Registration by interface (12), and issues configuration information；2) control module
(13) agreement customization, resource allocation and user management are carried out towards CCN further according to the configuration information that interface (12) issue；3) flow
Generation module (14) carries out the request construction towards CCN, and is sent to CCN, CCN content caching node (11) docking by tunnel
The request received is responded, and sends responses to the customized flow generator of agreement (10) by tunnel；4) flow generates
Module (14) carries out parsing and data statistics to request and response message, and sends statistical result to interface (12), carries out Web
It shows.
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| CN110138814B (en) * | 2018-02-02 | 2020-04-24 | 中国科学院声学研究所 | Centrality probability deployment method for network flow unloading |
| CN112039720B (en) * | 2020-07-31 | 2022-03-25 | 中国人民解放军战略支援部队信息工程大学 | 1-100% flow accurate controllable flow generating device and flow generating method |
| CN114710412B (en) * | 2022-03-08 | 2024-04-12 | 中电科思仪科技股份有限公司 | Network protocol signal simulation system and method |
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| CN103023768A (en) * | 2013-01-11 | 2013-04-03 | 中国科学院声学研究所 | Edge routing node and method for prefetching content from multisource by edge routing node |
| CN103327027A (en) * | 2013-06-28 | 2013-09-25 | 清华大学 | Content-centric network bottom implementation method, content-centric network and communication method |
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| CN103023768A (en) * | 2013-01-11 | 2013-04-03 | 中国科学院声学研究所 | Edge routing node and method for prefetching content from multisource by edge routing node |
| CN103327027A (en) * | 2013-06-28 | 2013-09-25 | 清华大学 | Content-centric network bottom implementation method, content-centric network and communication method |
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