CN105515813B - Method and device for visualizing flow in SDN network - Google Patents
Method and device for visualizing flow in SDN network Download PDFInfo
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- CN105515813B CN105515813B CN201410545527.2A CN201410545527A CN105515813B CN 105515813 B CN105515813 B CN 105515813B CN 201410545527 A CN201410545527 A CN 201410545527A CN 105515813 B CN105515813 B CN 105515813B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
- H04L43/0894—Packet rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
- H04L43/045—Processing captured monitoring data, e.g. for logfile generation for graphical visualisation of monitoring data
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Abstract
The invention discloses a method and a device for visualizing flow in an SDN network, wherein the method comprises the following steps: acquiring traffic statistical information of a link; matching the bandwidth occupancy rate in the traffic statistic information with a preset traffic state rendering template to obtain the current traffic state rendering color of the corresponding link; and refreshing the network link topological graph in real time according to the rendering color of the current flow state. According to the invention, according to the ratio of the bandwidth occupied by the traffic of the current link, the state condition of the current link is calibrated by rendering the link with different colors on the network topology map, so that an administrator can conveniently and intuitively observe which link traffic is normal and which link traffic is congested in the network topology, thereby improving the efficiency of discovering the network condition by the administrator and improving the experience of the administrator.
Description
Technical Field
The invention relates to the technical field of telecommunication network management, in particular to a method and a device for visualizing flow in an SDN.
Background
SDN (Software Defined Network), which is a novel Network innovation architecture of the Emulex Network, separates a control plane and a data plane of a Network device by using OpenFlow, thereby implementing flexible control of Network traffic.
The network link flow is an important index for a network administrator, which can learn the latest dynamics and changes of the current network, and can analyze and learn some latest symptoms of the network by observing the flow conditions of the network links.
In the actual operation of the network, if the traffic of the link is congested, the intelligent traffic engineering of the SDN may automatically schedule the link with a lower priority onto a second-order short-circuit path to reduce the pressure of the link with a higher priority where the traffic congestion occurs, so that the traffic condition of the link is automatically restored to a normal state to some extent.
As described above, how to quickly and intuitively observe the link traffic in a network topology diagram having a plurality of nodes and links, so that a network administrator can diagnose a network problem accordingly, is a technical problem to be solved.
Disclosure of Invention
In order to enable a user to quickly and intuitively observe a link traffic condition in a network topology, an embodiment of the present invention provides a method and an apparatus for visualizing traffic in an SDN network.
In order to achieve the purpose of the invention, the invention is realized by adopting the following technical scheme:
a method of traffic visibility in an SDN network, comprising:
acquiring traffic statistical information of a link;
matching the bandwidth occupancy rate in the traffic statistic information with a preset traffic state rendering template to obtain the current traffic state rendering color of the corresponding link;
and refreshing the network link topological graph in real time according to the rendering color of the current flow state.
Preferably, the traffic state rendering template is pre-configured to:
when the bandwidth occupancy rate is in a preset first interval, adopting a first flow state to render the color and marking the color as a normal state;
when the bandwidth occupancy rate is in a preset second interval, adopting a second flow state rendering color to mark as an early warning state;
and when the bandwidth occupancy rate is in a preset third interval, adopting a third flow state rendering color to be marked as an alarm state.
Preferably, before the rendering a color in accordance with the current traffic state and refreshing a network link topology map in real time, the method for visualizing traffic in the SDN network further includes:
and switching the network link flow monitoring mode between partial link monitoring and global link monitoring according to the input mode switching command.
Preferably, while the network link topology map is refreshed in real time according to the rendering color of the current traffic state, an alarm pop-up box is provided to display the traffic statistical information of the link in the alarm state.
Preferably, the method for visualizing the flow in the SDN network further comprises:
and displaying the historical traffic statistical information and the real-time traffic statistical information of the corresponding link in a link condition presentation graph according to the time sequence according to the input link information viewing instruction.
An apparatus for traffic visibility in an SDN network, comprising:
the acquisition module is used for acquiring the traffic statistical information of the link;
the calculation module is used for matching the bandwidth occupancy rate in the traffic statistic information with a preset traffic state rendering template to obtain the current traffic state rendering color of the corresponding link;
and the rendering module is used for refreshing the network link topological graph in real time according to the rendering color of the current flow state.
Preferably, the apparatus for visualizing traffic in the SDN network further comprises:
the device comprises a setting module, a processing module and a display module, wherein the setting module is used for setting a first interval of bandwidth occupancy rate and setting a first traffic state rendering color corresponding to the first interval and used for calibrating a normal state; the system is further used for setting a second interval of the bandwidth occupancy rate and setting a second flow state rendering color corresponding to the second interval and used for calibrating the early warning state; and the system is further used for setting a third interval of the bandwidth occupancy rate and setting a third flow state rendering color corresponding to the third interval and used for calibrating the alarm state.
Preferably, the apparatus for visualizing traffic in the SDN network further comprises:
and the switching module is used for switching the network link flow monitoring mode between partial link monitoring and global link monitoring according to the input mode switching command.
Preferably, the apparatus for visualizing traffic in the SDN network further comprises:
and the alarm prompt module is used for providing an alarm pop-up box and displaying the flow statistical information of the link in the alarm state.
Preferably, the apparatus for visualizing traffic in the SDN network further comprises:
the storage module is used for storing the flow statistical information of the link;
and the link information viewing module is used for displaying the historical traffic statistical information and the real-time traffic statistical information of the corresponding link in a link condition presentation graph according to the time sequence according to the input link information viewing instruction.
According to the invention, according to the ratio of the bandwidth occupied by the traffic of the current link, the state condition of the current link is calibrated by rendering the link with different colors on the network topology map, so that an administrator can conveniently and intuitively observe which link traffic is normal and which link traffic is congested in the network topology, thereby improving the efficiency of discovering the network condition by the administrator and improving the experience of the administrator.
Drawings
Fig. 1 is a schematic implementation flow diagram of a method for visualizing traffic in an SDN network according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an apparatus for visualizing traffic in an SDN network according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an apparatus for visualizing traffic in an SDN network according to another embodiment of the present invention.
The object of the present invention, its functional characteristics and advantageous effects will be further described with reference to the following embodiments and drawings.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.
As shown in fig. 1, an embodiment of the present invention provides a method for visualizing traffic in an SDN network, where the method includes the following steps:
s10, acquiring traffic statistic information of the link;
s30, matching the bandwidth occupancy rate in the traffic statistic information with a preset traffic state rendering template to obtain the current traffic state rendering color of the corresponding link;
and S50, refreshing the network link topological graph in real time according to the rendering color of the current flow state.
In this embodiment, the method for obtaining the traffic statistic information of the link is well known in the art. According to the method, the bandwidth occupancy rate condition in the traffic statistic information of the current link and a preset traffic state rendering template are rendered, different colors are adopted on a network link topological graph, and the corresponding link is refreshed in real time to calibrate the state condition of the current link, such as whether the current link is normal or in an early warning or alarming state, so that an administrator can conveniently and intuitively observe which link traffic is normal and which link traffic is congested in the network link topology, and the efficiency of discovering network state symptoms by the administrator can be improved.
Specifically, in this embodiment, the traffic state rendering template is pre-configured to:
1. when the bandwidth occupancy rate is in a preset first interval, calibrating a rendering color in a first flow state to be in a normal state, for example, the rendering color in the first flow state is green;
2. when the bandwidth occupancy rate is in a preset second interval, adopting a second flow state rendering color to be marked as an early warning state, for example, the second flow state rendering color is yellow;
3. and when the bandwidth occupancy rate is in a preset third interval, adopting a third flow state rendering color to be marked as an alarm state, for example, the third flow state rendering color is red.
In specific implementation, an administrator can flexibly set the threshold and the rendering color of the traffic state corresponding to the threshold according to needs.
In a preferred embodiment, before the rendering a color in accordance with the current traffic state and refreshing a network link topology map in real time, the method for visualizing traffic in the SDN network further includes:
and S40, switching the network link traffic monitoring mode between partial link monitoring and global link monitoring according to the input mode switching command.
The two network link traffic monitoring modes of the partial link monitoring and the global link monitoring may be controlled by a hardware mode (such as a switch) to implement the switching between the two monitoring modes, and in some embodiments, the switching between the two monitoring modes may also be controlled by a software mode.
When a user switches a network link traffic monitoring mode to partial link monitoring, in this embodiment, a currently monitored link is displayed in a list form, after traffic visualization is started, corresponding bandwidth occupancy information is obtained according to traffic statistical information of a specific link in the list, a current traffic state rendering color of the corresponding link is obtained according to the bandwidth occupancy information and a preset traffic state rendering template, then a network link topology map is refreshed in real time according to the current traffic state rendering color, and link conditions in the list are visually presented in the network link topology map.
When a user switches a network link traffic monitoring mode to global link monitoring, similarly, after traffic visualization is started, corresponding bandwidth occupancy rate information is obtained according to traffic statistical information of all links in a network, current traffic state rendering colors of all links are obtained according to the bandwidth occupancy rate information and a preset traffic state rendering template, then a network link topological graph is refreshed in real time according to the current traffic state rendering colors, and link conditions of all links are presented in the network link topological graph.
In a more preferred embodiment, for a monitored link, while a network link topology map is refreshed in real time according to the rendering color of the current traffic state, an alarm pop-up box is provided to display traffic statistics information of the link in an alarm state to remind an administrator of the state and the position of the link, in this embodiment, the alarm pop-up box automatically disappears within a certain time after popping up, for example, automatically disappears after 2 to 3 seconds.
In a more preferred embodiment, the method for visualizing traffic in the SDN network further includes:
and S70, displaying the historical traffic statistical information and the real-time traffic statistical information of the corresponding links in a link condition presentation graph according to the input link information viewing instruction in a time sequence.
For example, an administrator operates a certain link on a currently presented network link topology map, for example, clicks the link, at this time, pops up a link condition presentation map (for example, the link condition presentation map is a two-dimensional line graph), shows a traffic condition of the link in a recent period of time in a line graph manner, more specifically, also presents specific traffic condition information of each time node on the two-dimensional line graph, provides multidimensional data viewing, and can refresh the two-dimensional line graph in real time according to update of link traffic data, so that the administrator can visually view a traffic change condition of the link through the two-dimensional line graph.
As shown in fig. 2, an embodiment of the present invention provides an apparatus for visualizing traffic in an SDN network, including:
an obtaining module 10, configured to obtain traffic statistics information of a link, where specifically, the method for obtaining the traffic statistics information of the link is a known technique in the art;
the calculation module 20 is configured to match a preset traffic state rendering template according to the bandwidth occupancy in the traffic statistical information, and obtain a current traffic state rendering color of a corresponding link;
and the rendering module 30 is configured to render a color according to the current traffic state to refresh the network link topology map in real time.
The device for visualizing the flow in the SDN network is used for marking the state condition of the current link, such as whether the current link is normal or in an early warning or warning state, by rendering different colors on a network link topological graph and refreshing the corresponding link in real time according to the bandwidth occupancy rate condition in the flow statistical information of the current link and a preset flow state rendering template, so that an administrator can conveniently and intuitively observe which link flows are normal and which link flows are congested in the network link topology, and the efficiency of discovering network condition symptoms by the administrator can be improved.
Preferably, referring to fig. 3, the apparatus for visualizing traffic in the SDN network further includes:
the setting module 40 is configured to set a first interval of the bandwidth occupancy rate, and set a first traffic state rendering color corresponding to the first interval and used for calibrating a normal state; the system is further used for setting a second interval of the bandwidth occupancy rate and setting a second flow state rendering color corresponding to the second interval and used for calibrating the early warning state; and the system is further used for setting a third interval of the bandwidth occupancy rate and setting a third flow state rendering color corresponding to the third interval and used for calibrating the alarm state.
In specific implementation, an administrator can flexibly set the threshold and the rendering color of the traffic state corresponding to the threshold according to needs.
Preferably, referring to fig. 3, the apparatus for visualizing traffic in the SDN network further includes:
and the switching module 50 is configured to switch the network link traffic monitoring mode between partial link monitoring and global link monitoring according to the input mode switching command.
The two network link traffic monitoring modes of the partial link monitoring and the global link monitoring may be controlled by a hardware mode (such as a switch) to implement the switching between the two monitoring modes, and in some embodiments, the switching between the two monitoring modes may also be controlled by a software mode.
When a user switches a network link traffic monitoring mode to partial link monitoring, in this embodiment, a currently monitored link is displayed in a form of a list, after traffic visualization is started, the obtaining module 10 obtains corresponding bandwidth occupancy rate information according to traffic statistical information of a specific link in the list, the calculating module 20 obtains a current traffic state rendering color of the corresponding link according to the bandwidth occupancy rate information and a preset traffic state rendering template, then the rendering module 30 refreshes a network link topology map in real time according to the current traffic state rendering color, and link conditions in the list are visually presented in the network link topology map.
When the user switches the network link traffic monitoring mode to global link monitoring, similarly, after the traffic visualization is started, the obtaining module 10 obtains corresponding bandwidth occupancy rate information according to traffic statistical information of all links in the network, the calculating module 20 obtains current traffic state rendering colors of all links according to the bandwidth occupancy rate information and a preset traffic state rendering template, and then the rendering module 30 refreshes a network link topology map in real time according to the current traffic state rendering colors, so as to present link conditions of all links in the network link topology map.
Preferably, referring to fig. 3, the apparatus for visualizing traffic in the SDN network further includes:
and the alarm prompt module 60 is used for providing an alarm pop-up box and displaying the traffic statistic information of the link in the alarm state.
For the monitored link, while the rendering module 30 renders a color to refresh the network link topology map in real time according to the current flow state, the alarm prompt module is configured to provide an alarm pop-up box to display the flow statistics information of the link in the alarm state, and to remind an administrator of the state and the position of the link.
Preferably, the apparatus for visualizing traffic in the SDN network further comprises:
a storage module 70, configured to store traffic statistics information of the link;
and a link information viewing module 80, configured to display the historical traffic statistics information and the real-time traffic statistics information of the corresponding link in the link status presentation graph according to the input link information viewing instruction.
The storage module continuously stores historical traffic statistical information of the link and current traffic statistical information updated in real time.
When an administrator operates a certain link on a currently presented network link topological graph, for example, clicks the link to input a link information viewing instruction, a link condition presentation graph is popped up (for example, the link condition presentation graph is a two-dimensional line graph), the traffic condition of the link in the latest period of time is shown in a line graph mode, more specifically, specific traffic condition information of each time node is also presented on the two-dimensional line graph, multidimensional data viewing is provided, and the two-dimensional line graph can be refreshed in real time according to update of link traffic data, so that the administrator can visually view the traffic change condition of the link through the two-dimensional line graph.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A method for traffic visibility in an SDN network, comprising:
acquiring traffic statistical information of a link;
matching the bandwidth occupancy rate in the traffic statistic information with a preset traffic state rendering template to obtain the current traffic state rendering color of the corresponding link;
switching the network link flow monitoring mode between partial link monitoring and global link monitoring according to an input mode switching command;
rendering colors according to the current flow state to refresh a network link topological graph in real time;
further comprising:
and displaying the historical traffic statistical information and the real-time traffic statistical information of the corresponding link in a link condition presentation graph according to the time sequence according to the input link information viewing instruction.
2. The method of traffic visibility in an SDN network of claim 1, wherein the traffic state rendering template is pre-configured to:
when the bandwidth occupancy rate is in a preset first interval, adopting a first flow state to render the color and marking the color as a normal state;
when the bandwidth occupancy rate is in a preset second interval, adopting a second flow state rendering color to mark as an early warning state;
and when the bandwidth occupancy rate is in a preset third interval, adopting a third flow state rendering color to be marked as an alarm state.
3. The method for visualization of traffic in an SDN network of claim 2, wherein an alarm pop-up is provided to display traffic statistics for links in an alarm state while refreshing network link topology in real-time according to the current traffic state rendering color.
4. An apparatus for traffic visibility in an SDN network, comprising:
the acquisition module is used for acquiring the traffic statistical information of the link;
the calculation module is used for matching the bandwidth occupancy rate in the traffic statistic information with a preset traffic state rendering template to obtain the current traffic state rendering color of the corresponding link;
the switching module is used for switching the network link flow monitoring mode between partial link monitoring and global link monitoring according to an input mode switching command;
the rendering module is used for refreshing a network link topological graph in real time according to the rendering color of the current flow state;
further comprising:
the storage module is used for storing the flow statistical information of the link;
and the link information viewing module is used for displaying the historical traffic statistical information and the real-time traffic statistical information of the corresponding link in a link condition presentation graph according to the time sequence according to the input link information viewing instruction.
5. The apparatus for traffic visualization in an SDN network of claim 4, further comprising:
the device comprises a setting module, a processing module and a display module, wherein the setting module is used for setting a first interval of bandwidth occupancy rate and setting a first traffic state rendering color corresponding to the first interval and used for calibrating a normal state; the system is further used for setting a second interval of the bandwidth occupancy rate and setting a second flow state rendering color corresponding to the second interval and used for calibrating the early warning state; and the system is further used for setting a third interval of the bandwidth occupancy rate and setting a third flow state rendering color corresponding to the third interval and used for calibrating the alarm state.
6. The apparatus for traffic visualization in an SDN network of claim 5, further comprising:
and the alarm prompt module is used for providing an alarm pop-up box and displaying the flow statistical information of the link in the alarm state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410545527.2A CN105515813B (en) | 2014-10-15 | 2014-10-15 | Method and device for visualizing flow in SDN network |
| PCT/CN2014/094267 WO2015131620A1 (en) | 2014-10-15 | 2014-12-18 | Flow visualization method and device thereof |
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| CN201410545527.2A CN105515813B (en) | 2014-10-15 | 2014-10-15 | Method and device for visualizing flow in SDN network |
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| CN105515813B true CN105515813B (en) | 2020-08-04 |
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| CN106130796B (en) * | 2016-08-29 | 2018-05-29 | 广州西麦科技股份有限公司 | SDN network topology traffic visualization monitoring method and control terminal |
| CN109218210A (en) * | 2017-07-04 | 2019-01-15 | 中兴通讯股份有限公司 | A kind of traffic statistics and sharing method and device |
| CN110505439A (en) * | 2018-05-18 | 2019-11-26 | 杭州海康威视数字技术股份有限公司 | Video traffic the Visual Implementation method, apparatus, electronic equipment and storage medium |
| CN109495346A (en) * | 2018-11-28 | 2019-03-19 | 深圳互联先锋科技有限公司 | Flux monitoring method and device |
| CN109639587A (en) * | 2018-12-11 | 2019-04-16 | 国网河南省电力公司开封供电公司 | A kind of flow monitoring system based on electric automatization |
| CN111917578A (en) * | 2020-07-29 | 2020-11-10 | 山东英信计算机技术有限公司 | Multi-node network topology management method and device, electronic equipment and storage medium |
| CN113992544B (en) * | 2021-12-28 | 2022-04-29 | 北京中智润邦科技有限公司 | Optimization method and device for port flow distribution |
| CN114666238B (en) * | 2022-03-16 | 2023-07-25 | 平安科技（深圳）有限公司 | Visual monitoring method, system, equipment and medium for data link |
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| JP3640160B2 (en) * | 2000-07-26 | 2005-04-20 | 日本電気株式会社 | Router device and priority control method used therefor |
| CN100426732C (en) * | 2002-10-25 | 2008-10-15 | 华为技术有限公司 | Display method for all link service flow statistics on network |
| US20060290697A1 (en) * | 2005-06-24 | 2006-12-28 | Tom Sawyer Software | System for arranging a plurality of relational nodes into graphical layout form |
| CN101778410A (en) * | 2010-01-05 | 2010-07-14 | 上海市共进通信技术有限公司 | Network flow statistic indicating device in wireless data card and method therefor |
| CN101820357B (en) * | 2010-02-11 | 2012-10-10 | 哈尔滨工业大学 | Network security incident visualization system |
| US20140040785A1 (en) * | 2012-08-01 | 2014-02-06 | Oracle International Corporation | Browser-based process flow control responsive to an external application |
| CN103117887B (en) * | 2013-01-16 | 2015-08-19 | 福州森润达世纪信息技术有限公司 | The method for visualizing of network traffics change and equipment |
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