CN112787944B - Flow control method, apparatus and computer readable storage medium - Google Patents
Flow control method, apparatus and computer readable storage medium Download PDFInfo
- Publication number
- CN112787944B CN112787944B CN201911095679.6A CN201911095679A CN112787944B CN 112787944 B CN112787944 B CN 112787944B CN 201911095679 A CN201911095679 A CN 201911095679A CN 112787944 B CN112787944 B CN 112787944B
- Authority
- CN
- China
- Prior art keywords
- flow control
- signal
- bandwidth
- interface device
- threshold value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims description 64
- 230000011664 signaling Effects 0.000 claims description 45
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 description 15
- 230000007246 mechanism Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 6
- 230000001960 triggered effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The application discloses a flow control method, flow control equipment and a computer readable storage medium. The flow control method comprises the following steps: the method comprises the steps of performing first flow control on a first signal according to bandwidth adjustment of a second signal, performing second flow control on an Ethernet packet signal based on the first flow control, and performing third flow control on an external input signal based on the second flow control. In the embodiment of the application, the bandwidth adjustment of the second signal is utilized to sequentially realize the flow control of the first signal, the Ethernet packet signal and the external input signal, so that the end-to-end lossless bandwidth adjustment between the ODUk device and the xGE interface device in a non-adjacent relation can be realized, and the application requirement of realizing the lossless bandwidth adjustment of the service in the Ethernet packet service bearing scene according to the flow control function of the ODUk device can be met.
Description
Technical Field
Embodiments of the present application relate to, but are not limited to, the field of network technologies, and in particular, to a flow control method, apparatus, and computer readable storage medium.
Background
As shown in fig. 1, fig. 1 is a schematic diagram of a transmission model of a conventional lossless bandwidth adjustment function for carrying ethernet packet services on a OTN (Optical Transport Network) network, in fig. 1, ethernet packet service devices and ODUk (Optical channel data unit, optical path data unit) with a lossless bandwidth adjustment function are respectively belonging to two different devices, the ethernet packet service devices are provided with xGE interfaces (Ten-gigabit ethernet, a gigabit ethernet port), the ODUk interfaces are in an adjacent relationship with the xGE interfaces, the ODUk is applied to service carrying of ethernet, and when bandwidth flow control of ethernet services is required, bandwidth adjustment of ethernet packet services can be triggered directly through bandwidth adjustment of the ODUk.
However, as the transmission device evolves, the packet service carrying function of the ethernet is gradually fused into the OTN device, and the OTN device forms a transmission architecture of a hybrid of ethernet packet service and OTN service, where the transmission architecture includes an ODUk interface, an xGE interface, and an intermediate system for connecting the ODUk interface and the xGE interface, and the ODUk interface and the xGE interface in the OTN device are already in a non-adjacency relationship, so that the flow control manner applied to the conventional transmission model shown in fig. 1 has not satisfied the application requirement of the present lossless bandwidth adjustment.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
In a first aspect, embodiments of the present application provide a flow control method, apparatus, and computer readable storage medium, which can implement flow control between ODUk and xGE interfaces in a non-contiguous relationship, so as to meet application requirements of lossless bandwidth adjustment.
In a second aspect, an embodiment of the present application provides a flow control method, including,
carrying out packet forwarding on the Ethernet packet signal to form a first signal;
performing data processing on the first signal to form a second signal capable of being transmitted in an Optical Transport Network (OTN);
when the transmission bandwidth of the second signal is adjusted, performing first flow control on the first signal;
performing a second flow control on the ethernet packet signal based on the first flow control;
and performing third flow control on an external input signal based on the second flow control.
In a third aspect, an embodiment of the present application further provides an apparatus, including:
xGE interface means for receiving an external ethernet packet signal;
packet forwarding means for forwarding packets of the internal ethernet packet signal to form a first signal;
Interface means for transmitting said first signal;
an ODUk device, configured to perform data processing on the first signal to form a second signal capable of being transmitted in an OTN network;
when the ODUk device adjusts the transmission bandwidth, executing a first flow control on the interface device;
performing a second flow control on the packet forwarding device based on the first flow control;
and performing a third flow control on the xGE interface device based on the second flow control.
In a fourth aspect, embodiments of the present application also provide a computer-readable storage medium storing computer-executable instructions for performing a flow control method as described above.
The embodiment of the application comprises the following steps: the packet forwarding device forwards the ethernet packet signal received by the xGE interface device to form a first signal, then the interface device transmits the first signal to the ODUk device, so that the ODUk device performs data processing on the first signal to form a second signal capable of being transmitted in the OTN network of the optical transport network, when performing flow control, firstly, the ODUk device sends a bandwidth flow control instruction to perform bandwidth adjustment on a transmission bandwidth of the second signal, then, based on the bandwidth adjustment of the ODUk device, triggers the flow control of the interface device adjacent to the ODUk device, further triggers the flow control of the packet forwarding device adjacent to the interface device, and finally triggers the flow control of the xGE interface device adjacent to the packet forwarding device, thereby achieving the purpose of performing flow control on the xGE interface device according to the bandwidth adjustment of the ODUk device, and further achieving lossless bandwidth adjustment on the ethernet packet service access point. According to the scheme provided by the embodiment of the application, the bandwidth adjustment of the ODUk device is utilized to sequentially realize the flow control of the interface device, the packet forwarding device and the xGE interface device, namely, the transmission bandwidth adjustment of the second signal is utilized to sequentially realize the flow control of the first signal, the ethernet packet signal and the external input signal, so that the end-to-end lossless bandwidth adjustment between the ODUk device and the xGE interface device in a non-adjacent relationship can be realized, the bandwidth adjustment is not required to be carried out on a network-by-network basis, the application requirement of realizing the lossless bandwidth adjustment of the service in the ethernet packet service bearing scene according to the flow control function of the ODUk device can be met, the isolation between the ethernet packet service and the OTN network service is avoided, and the user experience and the usability of the ethernet packet service and OTN network service hybrid bearing device in the service bandwidth adjustment process can be better adapted.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate and do not limit the application.
Fig. 1 is a schematic diagram of a transmission model of a conventional OTN network carrying lossless bandwidth adjustment functions of ethernet packet traffic;
FIG. 2 is a schematic diagram of a framework of a system architecture platform for performing a flow control method according to one embodiment of the present application;
FIG. 3 is a flow chart of a flow control method provided by one embodiment of the present application;
FIG. 4 is a flow chart of a flow control method provided by another embodiment of the present application;
FIG. 5 is a flow chart of a flow control method provided by another embodiment of the present application;
FIG. 6 is a flow chart of a flow control method provided by another embodiment of the present application;
FIG. 7 is a flow chart of a flow control method provided by another embodiment of the present application;
fig. 8 is a flow chart of a flow control method according to another embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It should be noted that although functional block division is performed in a device diagram and a logic sequence is shown in a flowchart, in some cases, the steps shown or described may be performed in a different order than the block division in the device, or in the flowchart. The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The application provides a flow control method, equipment and a computer readable storage medium, wherein a packet forwarding device forwards an Ethernet packet signal received by an interface device xGE into a first signal in a packet manner, then the interface device transmits the first signal to an ODUk device, so that the ODUk device processes the first signal to form a second signal which can be transmitted in an OTN (optical transport network) network, when the flow control is executed, the bandwidth of the second signal is adjusted according to a bandwidth flow control instruction sent by the ODUk device, the flow control of an interface device adjacent to the ODUk device is triggered based on the bandwidth adjustment of the ODUk device, the flow control of a packet forwarding device adjacent to the interface device is further triggered, and finally the flow control of a xGE interface device adjacent to the packet forwarding device is triggered, namely, the flow control of the first signal, the Ethernet packet signal and an external input signal is sequentially realized by using the adjustment of the transmission bandwidth of the second signal, thereby achieving the purpose of carrying out the flow control of the xGE interface device according to the bandwidth adjustment of the ODUk device, the easy adjustment of the bandwidth of the ODUk device is realized, the flow control of the ODUk device is realized between the interface device and the Ethernet interface device is not required to be adjusted in a mixed with the Ethernet, the service can be better in a mixed condition with the service, the service can be prevented from being applied to the Ethernet, and the service can be adjusted to the Ethernet network is better need to be adjusted, the service can be better has no need of the adjustment of the bandwidth adjustment of the Ethernet has better quality to be adjusted.
Embodiments of the present application will be further described below with reference to the accompanying drawings.
Fig. 2 is a schematic frame diagram of a system architecture platform for performing a flow control method according to an embodiment of the present application.
As shown in fig. 2, the system architecture platform 100 includes a xGE interface device 110, a packet forwarding device 120, an interface device 130, and an ODUk device 140, where the xGE interface device 110, the packet forwarding device 120, the interface device 130, and the ODUk device 140 are sequentially connected by data.
The xGE interface device 110 is used for carrying ethernet packet service, and the ODUk device 140 is used for carrying OTN network service. xGE interface means for receiving the external ethernet packet signal, packet forwarding means for forwarding packets of the internal ethernet packet signal to form a first signal, interface means for transmitting the first signal, ODUk means for data processing the first signal to form a second signal capable of being transmitted in the OTN network.
It will be appreciated by those skilled in the art that the ODUk device 140 may be an optical channel data unit ODU1 with a rate level of 2.5G, an optical channel data unit ODU2 with a rate level of 10G, or an optical channel data unit ODU3 with a rate level of 40G. The ODUk device 140 in this embodiment may correspondingly select optical channel data units with different rate levels according to actual usage requirements, which is not limited to this embodiment.
It will be appreciated by those skilled in the art that the device structure shown in fig. 2 is not limiting of the system architecture platform 100 and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
In the system architecture platform 100 shown in fig. 2, the xGE interface device 110, the packet forwarding device 120, the interface device 130, and the ODUk device 140 cooperate with each other to implement a flow control method.
Based on the system architecture platform 100 described above, various embodiments of the flow control method of the present application are presented.
As shown in fig. 3, fig. 3 is a flowchart of a flow control method applied to an OTN device carrying an ethernet packet service according to an embodiment of the present application, where the flow control method includes, but is not limited to, the following steps:
step S100, carrying out packet forwarding on an Ethernet packet signal to form a first signal;
step S200, performing data processing on the first signal to form a second signal capable of being transmitted in the OTN network;
step S300, when the transmission bandwidth of the second signal is adjusted, the first flow control is performed on the first signal;
step S400, performing second flow control on the Ethernet packet signal based on the first flow control;
Step S500, performing third flow control on the external input signal based on the second flow control.
In an embodiment, when the transmission bandwidth of the second signal is adjusted, for example, when the transmission bandwidth of the second signal is increased or decreased, the first flow control may be performed on the first signal by the bandwidth flow control instruction; when the first flow control is performed on the first signal, the transmission bandwidth of the first signal is increased or decreased, and at this time, the second flow control can be triggered on the ethernet packet signal; when the second flow control is performed on the ethernet packet signal, the transmission bandwidth of the ethernet packet signal may also be increased or decreased, and at this time, the third flow control may be triggered to be performed on the external input signal, so as to limit the traffic data volume input to the OTN device carrying the ethernet packet service, so that the operation for performing the flow control may be uniformly distributed in the OTN device carrying the ethernet packet service, so as to improve the flow control capability of the OTN device carrying the ethernet packet service.
In an embodiment, the second flow control is performed on the ethernet packet signal, and different implementations are possible. For example, the second flow control may be performed according to a packet buffer amount corresponding to the ethernet packet signal; the statistics may be performed on the packets corresponding to the ethernet packet signals, and then the second flow control may be performed according to the statistics value. The specific manner in which the second flow control is performed on the ethernet packet signal may be appropriately selected according to the actual use requirement, and the present embodiment is not limited thereto.
In an embodiment, the third flow control is performed on the external input signal, and the third flow control may be performed on the external input signal by using a flow control mechanism of the ethernet or using another flow control mechanism, which is not particularly limited in this embodiment.
In an embodiment, according to the steps S100, S200, S300, S400, and S500, by sequentially implementing flow control on the first signal, the ethernet packet signal, and the external input signal by using adjustment on the transmission bandwidth of the second signal, lossless bandwidth adjustment on the OTN device carrying the ethernet packet service may be implemented, and bandwidth adjustment is not required by a segment-by-segment network, so that an application requirement of implementing lossless bandwidth adjustment of the service in the ethernet packet service carrying scenario may be met, isolation between the ethernet packet service and the OTN network service is avoided, and thus user experience and usability of the ethernet packet service and OTN network service hybrid carrying device in a service bandwidth adjustment process may be better adapted.
As shown in fig. 4, in an embodiment, step S300 includes, but is not limited to, the following steps:
step S310, when the transmission bandwidth of the second signal is adjusted, setting a first bandwidth threshold according to the adjusted transmission bandwidth of the second signal;
In step S320, when the transmission bandwidth of the first signal exceeds the first bandwidth threshold, the first flow control is performed on the first signal by using the flow control signaling.
In an embodiment, when the transmission bandwidth of the second signal is adjusted, a first bandwidth threshold value can be set according to the adjusted transmission bandwidth of the second signal, at this time, the transmission bandwidth of the first signal will use the first bandwidth threshold value as a flow control standard, and when the transmission bandwidth of the first signal does not exceed the first bandwidth threshold value, it is indicated that the current service data volume is still within the current service bearing capacity range, so that the service data can be normally transmitted; when the transmission bandwidth of the first signal exceeds a first bandwidth threshold value, the current service data volume is indicated to exceed the current service bearing capacity, and in order to ensure the effective transmission of the service data, the first flow control is carried out on the first signal by utilizing the flow control signaling.
In an embodiment, the first bandwidth threshold value may be appropriately selected according to the actual situation of the network, which is not limited by the present embodiment.
As will be appreciated by those skilled in the art, the flow control signaling is signaling for triggering flow control of data traffic, and the specific form of the flow control signaling is different according to the actual data traffic type, for example, in the flow control mechanism of ethernet, the flow control signaling is a PAUSE frame.
As shown in fig. 5, in an embodiment, a refinement procedure step of step S400 in the embodiment shown in fig. 3 is provided, and in this embodiment, step S400 includes, but is not limited to, the following steps:
step S410, a message buffer threshold value is set based on the first flow control;
step S420, buffer the message corresponding to Ethernet grouping signal, get the message buffer quantity;
and step S430, when the message buffer quantity exceeds the message buffer threshold value, performing second flow control on the Ethernet packet signal by utilizing the flow control signaling.
In an embodiment, when the first traffic control is performed on the first signal to adjust the transmission bandwidth of the first signal, a message buffer threshold value for performing flow control on the ethernet packet signal may be set according to the adjusted transmission bandwidth of the first signal, and at this time, the transmission bandwidth of the ethernet packet signal may use the message buffer threshold value as a flow control standard to perform flow control on a message corresponding to the ethernet packet signal. When receiving the message corresponding to the Ethernet packet signal, the corresponding message can be cached, so that the current cached message buffer quantity can be obtained, when the message buffer quantity exceeds the message buffer threshold value, the current service data quantity is indicated to exceed the current service bearing capacity, and in order to ensure the effective transmission of the service data, the second flow control is carried out on the Ethernet packet signal by utilizing the flow control signaling.
In an embodiment, the message buffer threshold value may be appropriately selected according to the actual situation of the network, which is not limited in this embodiment.
In an embodiment, the second flow control may be performed on the ethernet packet signal using a PAUSE frame or other flow control signaling, which is not limited by the present embodiment.
In one embodiment, the amount of message buffering buffered varies with the input and scheduling of the message. For example, when a message is cached, the cache amount of the message can be correspondingly increased, for example, the cache amount of the message is increased by 1000bits; when the message is scheduled out, the message buffer amount can be correspondingly reduced by 1000bits, for example, the buffer amount of the message is reduced by the current scheduled out message buffer amount.
As shown in fig. 6, in another embodiment, another refinement procedure step of step S400 in the embodiment shown in fig. 3 is also provided, and in this embodiment, step S400 includes, but is not limited to, the following steps:
step S440, message statistical threshold value is set based on the first flow control;
step S450, counting the number of the messages corresponding to the Ethernet packet signals to obtain message statistics;
And step S460, when the message statistics exceeds the message statistics threshold value, performing second flow control on the Ethernet packet signal by utilizing the flow control signaling.
In an embodiment, when the first traffic control is performed on the first signal to adjust the transmission bandwidth of the first signal, a packet statistics threshold for performing flow control on the ethernet packet signal may be set according to the adjusted transmission bandwidth of the first signal, and at this time, the transmission bandwidth of the ethernet packet signal may use the packet statistics threshold as a flow control standard to perform flow control processing on a packet corresponding to the ethernet packet signal. When receiving the message corresponding to the Ethernet packet signal, the corresponding message can be cached, and the number of the cached messages is counted, so that the current cached message statistic can be obtained, when the message statistic exceeds the message statistic threshold value, the current service data volume exceeds the current service bearing capacity, and in order to ensure the effective transmission of the service data, the second flow control is carried out on the Ethernet packet signal by utilizing the flow control signaling.
In an embodiment, the packet statistics threshold may be appropriately selected according to the actual situation of the network, which is not limited by this embodiment.
In an embodiment, the second flow control may be performed on the ethernet packet signal using a PAUSE frame or other flow control signaling, which is not limited by the present embodiment.
In one embodiment, the cached message statistics vary with the input and scheduling of the message. For example, when a message is cached, the message statistics may be correspondingly increased by 1 when the number of the currently cached messages is increased; when a message is scheduled out, the message statistics will correspondingly decrease the number of the messages currently scheduled out, for example, the number of the messages decreases by 1.
As shown in fig. 7, in one embodiment, step S500 includes, but is not limited to, the following steps:
step S510, setting a second bandwidth threshold value based on second traffic control;
in step S520, when the transmission bandwidth of the external input signal exceeds the second bandwidth threshold, the third flow control is performed on the external input signal by using the flow control signaling.
In an embodiment, when the bandwidth of the ethernet packet signal is adjusted by performing the second traffic control, a second bandwidth threshold value for performing the flow control on the external input signal may be set according to the adjusted transmission bandwidth of the ethernet packet signal, where the external input signal uses the second bandwidth threshold value as a flow control criterion, and when the transmission bandwidth of the external input signal does not exceed the second bandwidth threshold value, it is indicated that the current traffic data volume is still within the current traffic bearing capability range, so that the traffic data can be normally transmitted; when the transmission bandwidth of the external input signal exceeds the second bandwidth threshold value, the current service data volume is indicated to exceed the current service bearing capacity, and in order to ensure the effective transmission of the service data, the third flow control is carried out on the external input signal by utilizing the flow control signaling.
In an embodiment, the second bandwidth threshold may be appropriately selected according to the actual situation of the network, which is not limited by the present embodiment.
In one embodiment, the third flow control may be performed on the external input signal using a PAUSE frame.
As shown in fig. 8, in an embodiment, a refinement procedure step of step S520 in the embodiment shown in fig. 7 is provided, and in this embodiment, step S520 includes, but is not limited to, the following steps:
step S521, setting priority level according to the service type of the external input signal;
in step S522, when the transmission bandwidth of the external input signal exceeds the second bandwidth threshold, the third flow control is performed on the external input signal by using the flow control signaling based on the priority level.
In an embodiment, priority levels may be set for service data of different service types according to service types of external input signals. When the network is congested or blocked and needs to be subjected to flow control processing, for example, when the transmission bandwidth of an external input signal exceeds a second bandwidth threshold value, the service data of the service type with high priority level is not limited by the bandwidth, so that the normal transmission of the service data of the service type with high priority level can be ensured, and the service data of the service type with low priority level is limited by the bandwidth, so that the effect of relieving the network congestion or the network blockage can be achieved.
In an embodiment, the second bandwidth threshold may be appropriately selected according to the actual situation of the network, which is not limited by the present embodiment.
In one embodiment, the third flow control may be performed on the external input signal using a PAUSE frame.
In an embodiment, by setting the priority level corresponding to the service type, when the network is congested or blocked and needs to perform flow control processing, normal transmission of service data with high priority level can be ensured to meet the application requirement of the network.
In addition, one embodiment of the present application provides an apparatus capable of carrying ethernet packet traffic and OTN network traffic.
Specifically, the apparatus includes:
xGE interface means for receiving an external ethernet packet signal;
packet forwarding means for forwarding packets of the internal ethernet packet signal to form a first signal;
interface means for transmitting a first signal;
the ODUk device is configured to perform data processing on the first signal to form a second signal capable of being transmitted in the OTN network;
when the ODUk device performs adjustment of the transmission bandwidth, the ODUk device performs first flow control on the interface device;
The interface device performs second flow control on the packet forwarding device based on the first flow control;
the packet forwarding device performs third flow control on the xGE interface device based on the second flow control.
In an embodiment, when the amount of service data transmitted to the ODUk device reaches a certain level, for example, when the amount of service data exceeds a preset service processing capability of the ODUk device or exceeds a maximum service processing capability of the ODUk device, the ODUk device may issue a bandwidth flow control instruction, and adjust the bandwidth of the ODUk device, so that the amount of service data entering the ODUk device may be flow controlled. Because the bandwidth of the ODUk device changes, the first flow control may be performed on the interface device according to the bandwidth of the ODUk device after the change, so as to adjust the output traffic data volume of the interface device, for example, the bandwidth of the interface device changes along with the change of the bandwidth of the ODUk device, so that the operation of performing the flow control may be distributed between the ODUk device and the interface device, so as to improve the flow control capability of the OTN device carrying the ethernet packet service.
In an embodiment, the bandwidth adjustment for the ODUk device may be to increase the bandwidth of the ODUk device or decrease the bandwidth of the ODUk device. For example, when the traffic data amount exceeds the preset traffic processing capability of the ODUk device, but since the maximum traffic processing capability of the ODUk device has not been reached yet, the bandwidth of the ODUk device may be increased to satisfy the transmission of the traffic data. For another example, when the traffic data volume exceeds the maximum traffic processing capability of the ODUk device, in order to ensure the effective bearer of the ODUk device on the traffic data, the bandwidth of the ODUk device may be reduced, so as to avoid occurrence of network congestion.
In an embodiment, the interface device may have different interface types, for example, the interface device may be a xGE interface or a tunneled interface. When the interface device is a tunneled interface, it may also be an Interlaken interface or a COE (Channelization Over Ethernet tunneled ethernet) interface.
In an embodiment, there may be different implementations for performing the first flow control on the interface device for different types of interface devices. For example, when the interface device is a xGE interface, the first flow control to the interface device may be performed using a flow control mechanism of the ethernet. For another example, when the interface device is a channeled interface, the first flow control of the interface device may be performed using a flow control mechanism corresponding to the channeled interface.
In an embodiment, the bandwidth of the interface device may change due to the first traffic control performed on the interface device, in which case a bandwidth limitation value may be set in the interface device such that traffic data may be transmitted to the interface device with the bandwidth limitation value as a maximum threshold value; because the bandwidth of the interface device is changed, the second flow control can be performed on the packet forwarding device according to the changed bandwidth of the interface device so as to adjust the output business data volume of the packet forwarding device; since the second traffic control is performed on the packet forwarding device, the bandwidth of the packet forwarding device may change, in which case another bandwidth limitation value may be set in the packet forwarding device so that traffic data can be transmitted to the packet forwarding device with the bandwidth limitation value as a maximum threshold value; since the bandwidth of the packet forwarding device changes, the third flow control may be performed on the xGE interface device according to the changed bandwidth of the packet forwarding device to adjust the output traffic data volume of the xGE interface device, for example, the bandwidth of the xGE interface device changes along with the change of the bandwidth of the packet forwarding device, the bandwidth of the packet forwarding device changes along with the change of the bandwidth of the interface device, and the bandwidth of the interface device changes along with the change of the bandwidth of the ODUk device, so that the operations for performing the flow control may be distributed among the ODUk device, the interface device, the packet forwarding device, and the xGE interface device, so as to improve the flow control capability of the OTN device carrying the ethernet packet service.
In an embodiment, the second flow control is performed on the packet forwarding device, and different implementations are possible. For example, the second flow control may be performed according to the buffer amount of the packet buffered in the packet forwarding device; the packet buffer may be counted first, and then the second flow control may be performed according to the counted value. The specific manner in which the second flow control is performed on the packet forwarding device may be appropriately selected according to the actual use needs, and is not limited by the present embodiment.
In an embodiment, the third flow control is performed on the xGE interface device, and the third flow control may be performed on the xGE interface device using an ethernet flow control mechanism or using another flow control mechanism, which is not particularly limited in this embodiment.
In an embodiment, the bandwidth adjustment of the ODUk device is utilized to sequentially control the flows of the interface device, the packet forwarding device and the xGE interface device, so that end-to-end lossless bandwidth adjustment between the ODUk device and the xGE interface device in a non-contiguous relationship can be realized, and bandwidth adjustment is not required to be performed in a segment-by-segment network manner, so that the application requirement of realizing service lossless bandwidth adjustment in an ethernet packet service bearing scene according to the flow control function of the ODUk device can be met, isolation between the ethernet packet service and the OTN network service is avoided, and the user experience and usability of the ethernet packet service and OTN network service hybrid bearing device in the service bandwidth adjustment process can be better adapted.
In addition, in the device provided by another embodiment of the application,
when the ODUk device adjusts the transmission bandwidth, the ODUk device sets a first bandwidth threshold value;
when the transmission bandwidth of the interface device exceeds a first bandwidth threshold value, the interface device uses the flow control signaling to control the first flow of the first signal.
In an embodiment, when the ODUk device performs bandwidth adjustment according to the bandwidth flow control instruction, a first bandwidth threshold value may be set according to the adjusted bandwidth, at this time, the service bandwidth of the interface device may use the first bandwidth threshold value as a flow control standard, and when the service data volume of the interface device does not exceed the first bandwidth threshold value, it is indicated that the current service data volume is still within the current service bearing capacity range of the interface device, so that the service data may be normally transmitted; when the traffic data volume of the interface device exceeds the first bandwidth threshold value, it is indicated that the current traffic data volume has exceeded the current traffic bearing capacity of the interface device, and in order to ensure that the interface device effectively bears the traffic data, the first traffic control is performed on the interface device by using the flow control signaling.
In an embodiment, when the interface device is a xGE interface, the PAUSE frame in the flow control mechanism of the ethernet may be utilized to perform the first flow control on the interface device; when the interface device is an Interlaken interface, the first flow control can be performed on the interface device by utilizing the flow control signaling corresponding to the Interlaken interface; when the interface device is a COE interface, the first flow control may be performed on the interface device by means of flow control signaling of a VLAN (Virtual Local Area Network ). It should be noted that, the flow control signaling is a signaling for triggering flow control on data traffic, and the specific form of the flow control signaling is different according to the actual data traffic type, for example, in the flow control mechanism of the ethernet, the flow control signaling is a PAUSE frame. The first flow control is performed on the interface device using the flow control signaling, and may be appropriately selected according to the actual type of the interface device, which is not limited by the present embodiment.
In an embodiment, the first bandwidth threshold value may be appropriately selected according to the actual situation of the network, which is not limited by the present embodiment.
In an embodiment, the interface device performs bandwidth adjustment according to the first bandwidth threshold, that is, the bandwidth of the interface device may change along with the change of the bandwidth of the ODUk device, so that the operation of performing flow control can be distributed between the ODUk device and the interface device, so that the flow control capability of the OTN device carrying the ethernet packet service can be improved, and the problem that network congestion occurs due to the flow control processing performed on only one side of the OTN device is avoided.
In addition, in the device provided by another embodiment of the application,
the interface device sets a message buffer threshold value based on the first flow control;
the packet forwarding device caches the message corresponding to the Ethernet packet signal to obtain the message buffering quantity;
when the message buffer quantity exceeds the message buffer threshold value, the interface device uses the flow control signaling to control the second flow quantity of the internal Ethernet packet signal.
In an embodiment, when the interface device performs the first flow control to perform bandwidth adjustment, a message buffer threshold value for performing flow control on the packet forwarding device may be set according to the adjusted bandwidth of the interface device, and at this time, the packet forwarding device may perform flow control processing on a message entering the packet forwarding device by using the message buffer threshold value as a flow control criterion. When the packet forwarding device receives the message, the packet forwarding device caches the message, so that the message buffering capacity currently cached in the packet forwarding device can be obtained, and when the message buffering capacity exceeds the message buffering threshold value, the current service data capacity exceeds the current service bearing capacity of the packet forwarding device, and in order to ensure that the packet forwarding device effectively bears the service data, the second flow control is executed on the packet forwarding device by utilizing the flow control signaling.
In an embodiment, the message buffer threshold value may be appropriately selected according to the actual situation of the network, which is not limited in this embodiment.
In an embodiment, the packet forwarding device may perform the second flow control using a PAUSE frame or other flow control signaling, which the present embodiment does not limit.
In one embodiment, the amount of message buffering in the packet forwarding device varies with the input and scheduling of the message. For example, when a message is input to the packet forwarding device, the buffer capacity of the message will correspondingly increase the buffer capacity of the currently input message, for example, the buffer capacity of the message is increased by 1000bits; when the message is dispatched by the packet forwarding device, the message buffering capacity can be correspondingly reduced by the buffering capacity of the message dispatched currently, for example, the buffering capacity of the message is reduced by 1000bits.
In an embodiment, by comparing the size of the message buffer amount buffered in the packet forwarding device with the size of the message buffer threshold value, the packet forwarding device can perform bandwidth adjustment according to the message buffer threshold value set based on the first flow control, that is, the bandwidth of the packet forwarding device can be changed along with the change of the bandwidth of the interface device, so that the operation of performing flow control can be distributed among the ODUk device, the interface device and the packet forwarding device, thereby improving the flow control capability of the OTN device carrying the ethernet packet service, and avoiding the problem of network congestion caused by performing flow control processing on only one side of the OTN device.
In addition, in the device provided by another embodiment of the application,
the interface device sets a message statistical threshold value based on the first flow control;
the packet forwarding device counts the number of the messages corresponding to the Ethernet packet signals to obtain message statistics;
when the message statistics exceeds the message statistics threshold, the interface device uses the flow control signaling to control the second flow of the internal Ethernet packet signal.
In an embodiment, when the interface device performs the first flow control to perform bandwidth adjustment, a packet statistics threshold for performing flow control on the packet forwarding device may be set according to the adjusted bandwidth of the interface device, and at this time, the packet forwarding device may perform flow control processing on a packet entering the packet forwarding device by using the packet statistics threshold as a flow control criterion. When the packet forwarding device receives the message, the packet forwarding device caches the message and counts the number of the cached messages, so that the message statistics currently cached in the packet forwarding device can be obtained, when the message statistics exceeds the message statistics threshold value, the current service data volume is indicated to be more than the current service bearing capacity of the packet forwarding device, and in order to ensure the effective bearing of the packet forwarding device on the service data, the second flow control is executed on the packet forwarding device by utilizing the flow control signaling.
In an embodiment, the packet statistics threshold may be appropriately selected according to the actual situation of the network, which is not limited by this embodiment.
In an embodiment, the packet forwarding device may perform the second flow control using a PAUSE frame or other flow control signaling, which the present embodiment does not limit.
In one embodiment, the statistics of the messages buffered at the packet forwarding device vary as the messages are input and scheduled. For example, when a message is input to the packet forwarding device, the message statistics will correspondingly increase the number of the currently input messages, for example, the number of the messages is increased by 1; when the message is scheduled by the packet forwarding device, the message statistics will correspondingly reduce the number of the currently scheduled messages, for example, the number of the messages is reduced by 1.
In an embodiment, by comparing the packet statistics amount buffered in the packet forwarding device with the packet statistics threshold value, the packet forwarding device can perform bandwidth adjustment according to the packet statistics threshold value set based on the first flow control, that is, the bandwidth of the packet forwarding device can be changed along with the change of the bandwidth of the interface device, so that the operation of performing flow control can be distributed among the ODUk device, the interface device and the packet forwarding device, thereby improving the flow control capability of the OTN device carrying the ethernet packet service and avoiding the problem of network congestion caused by performing flow control processing on only one side of the OTN device.
In addition, in the device provided by another embodiment of the application,
the packet forwarding device sets a second bandwidth threshold value based on the second traffic control;
when the transmission bandwidth of the xGE interface device exceeds the second bandwidth threshold, the xGE interface device performs third flow control on the external ethernet packet signal using flow control signaling.
In an embodiment, when the packet forwarding device performs the second traffic control to perform bandwidth adjustment, a second bandwidth threshold value for performing flow control on the xGE interface device may be set according to the adjusted bandwidth of the packet forwarding device, and at this time, the xGE interface device may use the second bandwidth threshold value as a flow control criterion, and when the traffic data volume of the xGE interface device does not exceed the second bandwidth threshold value, it is indicated that the current traffic data volume is still within the current traffic bearing capability range of the xGE interface device, so that the traffic data may be normally transmitted; when the traffic data volume of the xGE interface device exceeds the second bandwidth threshold value, it indicates that the current traffic data volume has exceeded the current traffic bearing capacity of the xGE interface device, and in order to ensure that the xGE interface device effectively carries traffic data, the third flow control is performed on the xGE interface device by using flow control signaling.
In an embodiment, the second bandwidth threshold may be appropriately selected according to the actual situation of the network, which is not limited by the present embodiment.
In one embodiment, the third flow control may be performed on xGE interface devices using PAUSE frames.
In an embodiment, the xGE interface device performs bandwidth adjustment according to the second bandwidth threshold, that is, the bandwidth of the xGE interface device may change along with the change of the bandwidth of the packet forwarding device, so that the operation of performing flow control can be distributed among the ODUk device, the interface device, the packet forwarding device, and the xGE interface device, so that the flow control capability of the OTN device carrying the ethernet packet service can be improved, and the problem of network congestion caused by performing flow control processing on only one side of the OTN device is avoided.
In addition, in the device provided by another embodiment of the application,
xGE interface device sets priority according to the service type of signal;
when the transmission bandwidth of the xGE interface device exceeds the second bandwidth threshold, the xGE interface device performs third flow control on the external ethernet packet signal using flow control signaling based on the priority level.
In an embodiment, priority levels may be set for traffic data of different traffic types according to the traffic type of the xGE interface device. When the network is congested or blocked and needs to be subjected to flow control processing, for example, when the service bandwidth of the xGE interface device exceeds the second bandwidth threshold value, the xGE interface device does not limit the bandwidth of the service data of the service type with high priority, so that normal transmission of the service data of the service type with high priority can be ensured, and the xGE interface device limits the bandwidth of the service data of the service type with low priority by utilizing flow control signaling, so that the effect of relieving network congestion or network blocking can be achieved.
In an embodiment, the second bandwidth threshold may be appropriately selected according to the actual situation of the network, which is not limited by the present embodiment.
In one embodiment, the third flow control may be performed on xGE interface devices using PAUSE frames.
In an embodiment, by setting the priority level corresponding to the service type, when the network is congested or blocked and needs to perform flow control processing, normal transmission of service data with high priority level can be ensured to meet the application requirement of the network. In addition, since the xGE interface device performs bandwidth adjustment according to the second bandwidth threshold value, that is, the bandwidth of the xGE interface device may change along with the change of the bandwidth of the packet forwarding device, the operation of performing flow control can be distributed among the ODUk device, the interface device, the packet forwarding device and the xGE interface device, so that the flow control capability of the OTN device carrying the ethernet packet service can be improved, and the problem of network congestion caused by performing flow control processing on only one side of the OTN device is avoided.
In addition, another embodiment of the present application further provides an apparatus capable of carrying ethernet packet traffic and OTN network traffic.
Specifically, the apparatus includes: memory, a processor, and a computer program stored on the memory and executable on the processor.
The processor and the memory may be connected by a bus or other means.
The memory, as a non-transitory computer readable storage medium, may be used to store non-transitory software programs as well as non-transitory computer executable programs. In addition, the memory may include high-speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory optionally includes memory remotely located relative to the processor, the remote memory being connectable to the device through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The non-transitory software program and instructions required to implement the flow control method in the above-described embodiments are stored in the memory, and when executed by the processor, the flow control method in the above-described embodiments is performed, for example, the method steps S100 to S500 in fig. 3, the method steps S310 to S320 in fig. 4, the method steps S410 to S430 in fig. 5, the method steps S440 to S460 in fig. 6, the method steps S510 to S520 in fig. 7, and the method steps S521 to S522 in fig. 8 described above are performed.
The above described apparatus embodiments are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, i.e. may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
Furthermore, an embodiment of the present application provides a computer-readable storage medium storing computer-executable instructions that are executed by a processor or controller, for example, by one of the processors in the above embodiment, which may cause the processor to perform the flow control method in the above embodiment, for example, to perform the method steps S100 to S500 in fig. 3, the method steps S310 to S320 in fig. 4, the method steps S410 to S430 in fig. 5, the method steps S440 to S460 in fig. 6, the method steps S510 to S520 in fig. 7, and the method steps S521 to S522 in fig. 8 described above.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
While the preferred embodiment of the present application has been described in detail, the present application is not limited to the above embodiment, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (13)
1. A flow control method includes, in a first aspect,
carrying out packet forwarding on the Ethernet packet signal to form a first signal;
performing data processing on the first signal to form a second signal capable of being transmitted in an Optical Transport Network (OTN);
when the transmission bandwidth of the second signal is adjusted, performing first flow control on the first signal;
performing a second flow control on the ethernet packet signal based on the first flow control;
and performing third flow control on an external input signal based on the second flow control.
2. The flow control method according to claim 1, wherein said performing a first flow control on said first signal when said second signal has an adjusted transmission bandwidth comprises:
when the transmission bandwidth of the second signal is adjusted, setting a first bandwidth threshold value according to the adjusted transmission bandwidth of the second signal;
And when the transmission bandwidth of the first signal exceeds the first bandwidth threshold value, performing first flow control on the first signal by utilizing the flow control signaling.
3. The flow control method according to claim 1, wherein the performing second flow control on the ethernet packet signal based on the first flow control comprises:
setting a message buffer threshold value based on the first flow control;
caching the message corresponding to the Ethernet packet signal to obtain a message caching quantity;
and when the message buffer quantity exceeds the message buffer threshold value, performing second flow control on the Ethernet packet signal by utilizing flow control signaling.
4. The flow control method according to claim 1, wherein the performing second flow control on the ethernet packet signal based on the first flow control comprises:
setting a message statistical threshold value based on the first flow control;
counting the number of messages corresponding to the Ethernet packet signals to obtain message statistics;
and when the message statistics exceeds the message statistics threshold value, performing second flow control on the Ethernet packet signal by using flow control signaling.
5. The flow control method according to claim 1, wherein the performing third flow control on an external input signal based on the second flow control includes:
setting a second bandwidth threshold value based on the second traffic control;
and when the transmission bandwidth of the external input signal exceeds the second bandwidth threshold value, performing third flow control on the external input signal by utilizing the flow control signaling.
6. The flow control method according to claim 5, wherein when the transmission bandwidth of the external input signal exceeds the second bandwidth threshold value, performing third flow control on the external input signal by using flow control signaling, comprising:
setting a priority level according to the service type of an external input signal;
and when the transmission bandwidth of the external input signal exceeds the second bandwidth threshold value, performing third flow control on the external input signal by utilizing the flow control signaling based on the priority level.
7. An apparatus, comprising:
xGE interface means for receiving an external ethernet packet signal;
packet forwarding means for forwarding packets of the internal ethernet packet signal to form a first signal;
Interface means for transmitting said first signal;
an ODUk device, configured to perform data processing on the first signal to form a second signal capable of being transmitted in an OTN network;
when the ODUk device adjusts the transmission bandwidth, the ODUk device performs a first flow control on the interface device;
the interface device performs a second flow control on the packet forwarding device based on the first flow control;
the packet forwarding device performs a third flow control on the xGE interface device based on the second flow control.
8. The apparatus according to claim 7, wherein:
when the ODUk device adjusts the transmission bandwidth, the ODUk device sets a first bandwidth threshold;
and when the transmission bandwidth of the interface device exceeds the first bandwidth threshold value, the interface device performs first flow control on the first signal by utilizing flow control signaling.
9. The apparatus according to claim 7, wherein:
the interface device sets a message buffer threshold value based on the first flow control;
the packet forwarding device caches the message corresponding to the Ethernet packet signal to obtain a message buffering quantity;
And when the message buffer quantity exceeds the message buffer threshold value, the interface device controls the second flow quantity of the internal Ethernet packet signal by utilizing flow control signaling.
10. The apparatus according to claim 7, wherein:
the interface device sets a message statistics threshold value based on the first flow control;
the packet forwarding device performs quantity statistics on the messages corresponding to the Ethernet packet signals to obtain message statistics;
and when the message statistics exceeds the message statistics threshold value, the interface device controls the second flow of the internal Ethernet packet signal by utilizing flow control signaling.
11. The apparatus according to claim 7, wherein:
the packet forwarding device sets a second bandwidth threshold value based on the second flow control;
when the transmission bandwidth of the xGE interface device exceeds the second bandwidth threshold, the xGE interface device performs third flow control on the external ethernet packet signal using flow control signaling.
12. The apparatus according to claim 11, wherein:
the xGE interface device sets a priority level according to the service type of the signal;
When the transmission bandwidth of the xGE interface device exceeds the second bandwidth threshold, the xGE interface device performs third flow control on the external ethernet packet signal using flow control signaling based on the priority level.
13. A computer-readable storage medium storing computer-executable instructions for performing the flow control method of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911095679.6A CN112787944B (en) | 2019-11-11 | 2019-11-11 | Flow control method, apparatus and computer readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911095679.6A CN112787944B (en) | 2019-11-11 | 2019-11-11 | Flow control method, apparatus and computer readable storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112787944A CN112787944A (en) | 2021-05-11 |
| CN112787944B true CN112787944B (en) | 2023-10-31 |
Family
ID=75749757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911095679.6A Active CN112787944B (en) | 2019-11-11 | 2019-11-11 | Flow control method, apparatus and computer readable storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112787944B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473271B (en) * | 2021-06-23 | 2022-09-30 | 烽火通信科技股份有限公司 | Packet service forwarding method, device, equipment and readable storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040026536A (en) * | 2002-09-25 | 2004-03-31 | 주식회사 케이티 | Ethernet interface apparatus function with controlling bandwidth and method thereof |
| CN1581865A (en) * | 2003-07-31 | 2005-02-16 | 烽火通信科技股份有限公司 | Client network interface method using ethernet line as IP control channel |
| CN1728720A (en) * | 2004-07-27 | 2006-02-01 | 邓里文 | Adaptation method in use for syncretizing Ethernet and SHD or synchronous optical network |
| CN101005327A (en) * | 2006-01-17 | 2007-07-25 | 中兴通讯股份有限公司 | Regulating device and method for dynamic link capacity and flow of transmission net loaded ethernet |
| CN101595679A (en) * | 2007-02-28 | 2009-12-02 | 中兴通讯股份有限公司 | Realize the device and method of Flow Control on the MSTP equipment based on rate limit |
| CN102316036A (en) * | 2011-09-06 | 2012-01-11 | 中兴通讯股份有限公司 | Method for realizing packet transport network (PTN) function on optical transport network (OTN) platform and apparatus thereof |
| CN104272653A (en) * | 2012-05-04 | 2015-01-07 | 瑞典爱立信有限公司 | Congestion control in packet data networking |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039245A (en) * | 2006-03-13 | 2007-09-19 | 华为技术有限公司 | Data transmission method from high speed Ethernet to optical transmission network and related interface and equipment |
| KR100819271B1 (en) * | 2006-06-30 | 2008-04-03 | 삼성전자주식회사 | Packet switch device and bandwidth control method thereof |
| US10455301B2 (en) * | 2013-01-17 | 2019-10-22 | Infinera Corporation | Method to re-provision bandwidth in P-OTN network based on current traffic demand |
-
2019
- 2019-11-11 CN CN201911095679.6A patent/CN112787944B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040026536A (en) * | 2002-09-25 | 2004-03-31 | 주식회사 케이티 | Ethernet interface apparatus function with controlling bandwidth and method thereof |
| CN1581865A (en) * | 2003-07-31 | 2005-02-16 | 烽火通信科技股份有限公司 | Client network interface method using ethernet line as IP control channel |
| CN1728720A (en) * | 2004-07-27 | 2006-02-01 | 邓里文 | Adaptation method in use for syncretizing Ethernet and SHD or synchronous optical network |
| CN101005327A (en) * | 2006-01-17 | 2007-07-25 | 中兴通讯股份有限公司 | Regulating device and method for dynamic link capacity and flow of transmission net loaded ethernet |
| CN101595679A (en) * | 2007-02-28 | 2009-12-02 | 中兴通讯股份有限公司 | Realize the device and method of Flow Control on the MSTP equipment based on rate limit |
| CN102316036A (en) * | 2011-09-06 | 2012-01-11 | 中兴通讯股份有限公司 | Method for realizing packet transport network (PTN) function on optical transport network (OTN) platform and apparatus thereof |
| CN104272653A (en) * | 2012-05-04 | 2015-01-07 | 瑞典爱立信有限公司 | Congestion control in packet data networking |
Non-Patent Citations (1)
| Title |
|---|
| 配电通信网中基于流量预测的EPON动态带宽分配算法;骆书剑;颜仪;;电气应用(第05期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112787944A (en) | 2021-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9467522B2 (en) | Ingress based headroom buffering for switch architectures | |
| DE60317480T2 (en) | ADAPTIVE CONDITIONAL TRANSITION CONTROL | |
| US20130286834A1 (en) | Traffic management apparatus for controlling traffic congestion and method thereof | |
| CN101340358B (en) | Flow control method, system and flow control entity | |
| US8000249B2 (en) | Method for improved congestion detection and control in a wireless telecommunications systems | |
| US20110075562A1 (en) | Rate Shaping For Wireless Communication Using Token Bucket That Allows Token Debt | |
| KR101017532B1 (en) | Method for flow control in a communication system | |
| US20210126868A1 (en) | Data transmission method, device and system of unmanned aerial vehicle system and ground image transmission module | |
| EP2925049A1 (en) | Bandwidth management method, evolved node b, serving gateway, and communication system | |
| US10050896B2 (en) | Management of an over-subscribed shared buffer | |
| US11483685B2 (en) | Systems and methods for distributed charging in digital telecommunications networks | |
| EP4167609A1 (en) | Traffic charging method, network device and storage medium | |
| EP4199576A1 (en) | Application program control method and apparatus, device, and storage medium | |
| CN113206800A (en) | Message caching method and device and network equipment | |
| CN112787944B (en) | Flow control method, apparatus and computer readable storage medium | |
| US11689645B2 (en) | Service data transmission method and apparatus | |
| CN116489154A (en) | Load sharing method and related device | |
| CN105763482B (en) | Bandwidth adjusting method and device | |
| CN103414654A (en) | Method and system for achieving bandwidth shunt | |
| DE102013104718A1 (en) | Method and apparatus for host-controlled packet data suppression | |
| US20210168219A1 (en) | Relay device, data relay method and program | |
| WO2018018641A1 (en) | Data transmission method and apparatus for data service | |
| CN110366151B (en) | Method for reducing congestion and network node | |
| CN114339863B (en) | Uplink data transmission method and device, storage medium and electronic device | |
| EP4258615A1 (en) | Uplink latency control method and customer-premises equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |