CN112601243B - Hybrid networking dynamic routing method for power communication network - Google Patents

Hybrid networking dynamic routing method for power communication network Download PDF

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CN112601243B
CN112601243B CN202011494739.4A CN202011494739A CN112601243B CN 112601243 B CN112601243 B CN 112601243B CN 202011494739 A CN202011494739 A CN 202011494739A CN 112601243 B CN112601243 B CN 112601243B
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power
point
performance index
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CN112601243A (en
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齐增清
吴小忠
徐志强
甘星
李琴
伍仁勇
张惠芳
汪勇
何韵
徐满华
陈娟
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Hunan Jingyan Electric Power Design Co ltd
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Hunan Electric Power Co Ltd
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Hunan Jingyan Electric Power Design Co ltd
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Hunan Electric Power Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The invention discloses a dynamic routing method for a hybrid networking of a power communication network, which comprises the steps of obtaining the network performance index requirement of power service during transmission; carrying out real-time statistics on network performance indexes of the current 5G public network and the current power private network; when the target power business needs to be transmitted, selecting an optimal transmission network according to the network performance index requirements of the target power business and the network performance indexes of the 5G public network and the power private network; and transmitting the target power service to complete the dynamic routing selection of the hybrid networking of the power communication network. The invention can effectively complete the load balance between the 5G public network and the electric power private network, so that the 5G public network can be more scientifically fused with the electric power private network; the method has the advantages of higher reliability, better practicability and wider application range.

Description

Hybrid networking dynamic routing method for power communication network
Technical Field
The invention belongs to the field of electrical automation, and particularly relates to a hybrid networking dynamic routing method for a power communication network.
Background
With the development of economic technology and the improvement of living standard of people, electric energy becomes essential secondary energy in production and life of people, and brings endless convenience to production and life of people. Therefore, stable and reliable operation of the power system becomes one of the most important tasks of the power system.
The power communication network is an important infrastructure for bearing information interaction of a power system, is distributed throughout all links of production and management of a power internal system, and aims to ensure safe, stable, economic and efficient operation of a power grid. In recent years, as the degree of power grid intellectualization increases, power communication networks carry heavier and more comprehensive supporting and protecting tasks.
The fifth generation mobile communication technology (abbreviated as 5G) is the latest generation cellular mobile communication technology. The biggest change of 5G is from the communication between people to the communication between people and between objects, and the interconnection of everything is realized. The performance goals of 5G are high data rates, reduced latency, energy savings, reduced cost, increased system capacity, and large-scale device connectivity. The commercial application of the 5G network meets the urgent requirements of the smart grid on the safety, reliability and low time delay of the mobile wireless network.
However, although the introduction of 5G technology can alleviate the transmission pressure of the power communication network, the characteristics of the 5G network, such as high-density heterogeneous network, may affect the end-to-end delay characteristics that are nominal for 5G, and thus, power data cannot be simply transmitted from the 5G public network. In addition, in the case of coexistence and hybrid networking of 5G and private power networks existing in the existing power system, routing problem exists when power system data is transmitted.
Disclosure of Invention
The invention aims to provide a hybrid networking dynamic routing method for a power communication network, which has high reliability, good practicability and wide application range.
The invention provides a dynamic routing method for a hybrid networking of a power communication network, which comprises the following steps:
s1, analyzing the power service requirement of a power communication network, so as to obtain the network performance index requirement of the power service during transmission;
s2, counting the current network performance indexes of the 5G public network and the network performance indexes of the special power network in real time;
s3, when the target power service needs to be transmitted, selecting an optimal transmission network according to the network performance index requirement of the power service obtained in the step S1, the network performance index of the 5G public network obtained in the step S2 and the network performance index of the special power network;
and S4, transmitting the target power service according to the optimal transmission network selected in the step S3, thereby completing the hybrid networking dynamic routing selection for the power communication network.
The network performance index requirement in step S1, specifically the network performance index requirement W includes the minimum throughput T required by the service datawAnd the highest transmission delay D that the service data can toleratew。
Step S2, the real-time statistics of the current 5G public network performance index and the power private network performance index is specifically to count the current 5G public network performance index K in real time1And performance index K of power private network2Wherein 5G public network performance index K1Including 5G public network throughput T1And 5G public network transmission time delay D1Network performance index K of private power network2Including private power network throughput T2And power private network transmission time delay D2。
When the target power service needs to be transmitted in step S3, specifically, when the target power service needs to be transmitted, the network performance index requirement of the target power service during transmission, which is obtained in step S1, is written into the optional field of the IP datagram header.
The selecting of the optimal transmission network in step S3 specifically includes the following steps:
A. establishing a D-T coordinate system by taking the throughput T as an abscissa and taking the transmission delay D as an ordinate;
B. with a straight line T ═ Tw、D＝DwFor boundary, the first quadrant of the D-T coordinate system established in step S1 is divided into four regions, which are: and (3) region I:
Figure BDA0002841796740000031
and (3) region II:
Figure BDA0002841796740000032
zone III:
Figure BDA0002841796740000033
and a region IV:
Figure BDA0002841796740000034
wherein T iswThe minimum throughput required for the target service data; dwThe highest transmission delay which can be tolerated by the target service data is set;
C. the following rules are used to select the optimal transport network:
if point K1(T1,D1) And point K2(T2,D2) In the same area:
condition 1: if point K1(T1,D1) And point K2(T2,D2) Are all in region I, and | WK1|＞|WK2If yes, selecting a 5G public network as an optimal transmission network;
condition 2: if point K1(T1,D1) And point K2(T2,D2) Are all in region II, and D1＜D2Selecting a 5G public network as an optimal transmission network;
condition 3: if point K1(T1,D1) And point K2(T2,D2) Are all in region III, and T1＞T2Selecting a 5G public network as an optimal transmission network;
condition 4: if point K1(T1,D1) And point K2(T2,D2) Are all in region IV and | WK1|＜|WK2If yes, selecting a 5G public network as an optimal transmission network;
if the conditions 1-4 are not met, selecting the power private network as an optimal transmission network;
if point K1(T1,D1) And point K2(T2,D2) Not in the same area:
condition a: if point K1(T1,D1) In region I, or point K2(T2,D2) In the area IV, a 5G public network is selected as an optimal transmission network;
condition b: if point K1(T1,D1) In region IV, or point K2(T2,D2) In the area I, selecting a power private network as an optimal transmission network;
condition c: if | WK1|＜|WK2If yes, selecting a 5G public network as an optimal transmission network;
if the conditions a to c are not met, selecting the power private network as an optimal transmission network;
wherein, K1The network performance index is 5G public network performance index; t is a unit of1The throughput is 5G public network throughput; d1The transmission delay is 5G public network transmission delay; k is2The network performance index of the power private network is obtained; t is2The throughput of the power private network; d2Transmitting time delay for the private power network; i WK1Is point W and point K1The euclidean distance therebetween; i WK2Is point W and point K2The Euclidean distance between the points, the coordinate of the point W is W (T)w,Dw)。
Step S4, transmitting the target power service according to the optimal transmission network selected in step S3, specifically, if the private power grid is selected as the optimal transmission network, directly transmitting the target power service data; and if the 5G public network is selected as the optimal transmission network, encrypting the target power service data and then transmitting the encrypted data from the 5G public network.
According to the hybrid networking dynamic routing method for the power communication network, provided by the invention, through analyzing network performance indexes required by different power service data and periodically counting the current network performance of a 5G public network and a power private network, the network performance requirements of the power data and the network performance of the current hybrid networking are compared, so that the routing of the different power service data is more scientifically carried out; meanwhile, the invention also provides a detailed routing algorithm, which can effectively complete the load balance between the 5G public network and the special power network, so that the 5G public network can be more scientifically integrated with the special power network; the method has the advantages of higher reliability, better practicability and wider application range.
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FIG. 1 is a schematic process flow diagram of the process of the present invention.
FIG. 2 is a schematic diagram of a D-T coordinate system established by the method of the present invention.
Detailed Description
FIG. 1 is a schematic flow chart of the method of the present invention: the invention provides a dynamic routing method for a hybrid networking of a power communication network, which comprises the following steps:
s1, analyzing the power service requirement of a power communication network to obtain the network performance index requirement of the power service during transmission; specifically, the network performance index requirement W comprises the minimum throughput T required by the service datawAnd the highest transmission delay D that the service data can toleratew；
S2, counting the current network performance indexes of the 5G public network and the network performance indexes of the special power network in real time; specifically, the method is used for carrying out real-time statistics on the current 5G public network performance index K1And performance index K of private power network2Wherein 5G public network performance index K1Including 5G public network throughput T1And 5G public network transmission time delay D1Network performance index K of private power network2Including power private network throughput T2And transmission time delay D of power private network2；
S3, when the target power service needs to be transmitted, writing the network performance index requirement of the target power service during transmission acquired in the step S1 into an optional field of the IP message header, and then selecting an optimal transmission network according to the network performance index requirement of the power service acquired in the step S1, the 5G public network performance index and the power private network performance index acquired in the step S2; specifically, the method comprises the following steps of:
A. establishing a D-T coordinate system by taking the throughput T as an abscissa and taking the transmission delay D as an ordinate;
B. by a straight line T ═ Tw、D＝DwFor boundary, the first quadrant of the D-T coordinate system established in step S1 is divided into four regions, which are: and (3) region I:
Figure BDA0002841796740000051
and (3) region II:
Figure BDA0002841796740000052
and (3) a region III:
Figure BDA0002841796740000053
and a region IV:
Figure BDA0002841796740000054
wherein T iswThe minimum throughput required for the target service data; dwThe highest transmission delay which can be tolerated by the target service data is set; as shown in particular in fig. 2;
C. the following rules are used to select the optimal transport network:
if point K1(T1,D1) And point K2(T2,D2) In the same area:
condition 1: if point K1(T1,D1) And point K2(T2,D2) Are all in region I, and | WK1|＞|WK2If yes, selecting a 5G public network as an optimal transmission network;
condition 2: if point K1(T1,D1) And point K2(T2,D2) Are all in region II, and D1＜D2Selecting a 5G public network as an optimal transmission network;
condition 3: if point K1(T1,D1) And point K2(T2,D2) Are all in region III, and T1＞T2Selecting a 5G public network as an optimal transmission network;
condition 4: if point K1(T1,D1) And point K2(T2,D2) Are all in region IV and | WK1|＜|WK2If yes, selecting a 5G public network as an optimal transmission network;
if the conditions 1-4 are not met, selecting the power private network as an optimal transmission network;
if point K1(T1,D1) And point K2(T2,D2) Not in the same area:
condition a: if point K1(T1,D1) In region I, or pointK2(T2,D2) In the area IV, a 5G public network is selected as an optimal transmission network;
condition b: if point K1(T1,D1) In region IV, or point K2(T2,D2) In the area I, selecting a power private network as an optimal transmission network;
condition c: if | WK1|＜|WK2If yes, selecting a 5G public network as an optimal transmission network;
if the conditions a to c are not met, selecting the power private network as an optimal transmission network;
wherein, K1The network performance index is 5G public network performance index; t is1Is 5G public network throughput; d15G public network transmission delay; k is2The network performance index of the power private network is obtained; t is2The throughput of the power private network; d2Transmitting time delay for the power private network; i WK1I is point W and point K1The euclidean distance between; i WK2I is point W and point K2The euclidean distance therebetween; the coordinates of point W are W (T)w,Dw)；
The above process of selecting the optimal transmission network can be described by the following pseudo code:
inputting: four regions I, II, III, IV, W, K1And K2The coordinates of (a);
1：if(K1and K2In the same region)
2：if(K1And K2In region I and | WK1|＞|WK2The index of |)//5G public network is more excellent
3:return 1；
4:if(K1And K2In regions II and D1＜D2) The bandwidth is satisfied and the delay of the 5G public network is lower
5：return 1；
6:if(K1And K2In region III and T1＞T2) The delay is satisfied and the throughput rate of the 5G public network is higher
7：return 1；
8:if(K1And K2In region IV and | WK1|＜|WK2I)/5G public network is more in line with the expectation
9:return 1；
10：return 0；
11:else//K1And K2In different areas
12:if(K1In region I or K2In the region IV)// 5G, the public network reaches the standard or the private power network does not meet any index
13：return 1；
13:if(K2In region I or K1In the region IV)// the private power network meets the standard or the 5G public network does not meet any index
14：return 0；
15:if(|WK1|＜|WK2If the two meet different indexes respectively, the selection is more in accordance with the expectation
16：return 1；
17：return 0；
And (3) outputting: selecting a 5G public network or a power private network, selecting a 5G public network as return 1 and selecting a power private network as return 0;
s4, transmitting the target power service according to the optimal transmission network selected in the step S3, thereby completing hybrid networking dynamic routing selection for the power communication network; specifically, if a power private network is selected as an optimal transmission network, target power service data are directly sent; and if the 5G public network is selected as the optimal transmission network, encrypting the target power service data and then transmitting the encrypted data from the 5G public network.
After the transmission is finished, the receiving end gateway directly forwards the service data received from the private power network; and the service data received from the 5G public network is forwarded after being decoded and checked for safety so as to ensure the safe operation of the power private network.

Claims (5)

1. A dynamic routing method for hybrid networking of a power communication network comprises the following steps:
s1, analyzing the power service requirement of a power communication network, so as to obtain the network performance index requirement of the power service during transmission;
s2, counting the current network performance indexes of the 5G public network and the network performance indexes of the special power network in real time;
s3, when the target power service needs to be transmitted, selecting an optimal transmission network according to the network performance index requirement of the power service obtained in the step S1, the network performance index of the 5G public network obtained in the step S2 and the network performance index of the special power network; specifically, the following steps are adopted to select an optimal transmission network:
A. establishing a D-T coordinate system by taking the throughput T as an abscissa and the transmission delay D as an ordinate;
B. by a straight line T ═ Tw、D＝DwFor boundary, the first quadrant of the D-T coordinate system established in step S1 is divided into four regions, which are: and (3) region I:
Figure FDA0003641649000000011
and (3) region II:
Figure FDA0003641649000000012
and (3) a region III:
Figure FDA0003641649000000013
and a region IV:
Figure FDA0003641649000000014
wherein T iswThe minimum throughput required for the target service data; dwThe highest transmission delay which can be tolerated by the target service data is set;
C. the following rules are used to select the optimal transport network:
if point K1(T1,D1) And point K2(T2,D2) In the same area:
condition 1: if point K1(T1,D1) And point K2(T2,D2) Are all in region I, and | WK1|＞|WK2If yes, selecting a 5G public network as an optimal transmission network;
condition 2: if point K1(T1,D1) And point K2(T2,D2) Are all in region II, and D1＜D2Selecting a 5G public network as an optimal transmission network;
condition 3: if point K1(T1,D1) And point K2(T2,D2) Are all in region III, and T1＞T2Selecting a 5G public network as an optimal transmission network;
condition 4: if point K1(T1,D1) And point K2(T2,D2) Are all in region IV and | WK1|＜|WK2If yes, selecting a 5G public network as an optimal transmission network;
if the conditions 1-4 are not met, selecting the power private network as an optimal transmission network;
if point K1(T1,D1) And point K2(T2,D2) Not in the same area:
condition a: if point K1(T1,D1) In region I, or point K2(T2,D2) In the area IV, a 5G public network is selected as an optimal transmission network;
condition b: if point K1(T1,D1) In region IV, or point K2(T2,D2) In the area I, selecting a power private network as an optimal transmission network;
condition c: if | WK1|＜|WK2If yes, selecting a 5G public network as an optimal transmission network;
if the conditions a to c are not met, selecting the power private network as an optimal transmission network;
wherein, K1The network performance index is 5G public network performance index; t is1The throughput is 5G public network throughput; d15G public network transmission delay; k is2The performance index of the power private network is obtained; t is2The throughput of the power private network; d2Transmitting time delay for the power private network; i WK1Is point W and point K1The euclidean distance between; i WK2Is point W and point K2The euclidean distance between them,the coordinates of point W are W (T)w,Dw)；
And S4, transmitting the target power service according to the optimal transmission network selected in the step S3, thereby completing the hybrid networking dynamic routing selection for the power communication network.
2. The method according to claim 1, wherein the network performance indicator requirement in step S1, specifically the network performance indicator requirement W, comprises a minimum throughput T required for the service datawAnd the highest transmission delay D that the service data can toleratew。
3. The method according to claim 2, wherein the step S2 is performed to count the network performance index of the current 5G public network and the network performance index of the private power grid in real time, specifically to count the network performance index K of the current 5G public network in real time1And performance index K of private power network2Wherein 5G public network performance index K1Including 5G public network throughput T1And 5G public network transmission time delay D1Network performance index K of private power network2Including power private network throughput T2And power private network transmission time delay D2。
4. The method according to claim 3, wherein the step S3 is executed to write the network performance indicator requirement of the target power service in transmission acquired in step S1 into an optional field of the IP header when the target power service needs to be transmitted, specifically when the target power service needs to be transmitted.
5. The hybrid networking dynamic routing method for power communication networks according to claim 4, wherein the step S4 is to transmit the target power service according to the optimal transmission network selected in the step S3, specifically, if the private power network is selected as the optimal transmission network, the target power service data is directly sent; and if the 5G public network is selected as the optimal transmission network, encrypting the target power service data and then transmitting the encrypted data from the 5G public network.
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