CN111885661B - Data center performance event management method and system based on server logs - Google Patents
Data center performance event management method and system based on server logs Download PDFInfo
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- CN111885661B CN111885661B CN202010749133.4A CN202010749133A CN111885661B CN 111885661 B CN111885661 B CN 111885661B CN 202010749133 A CN202010749133 A CN 202010749133A CN 111885661 B CN111885661 B CN 111885661B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/165—Performing reselection for specific purposes for reducing network power consumption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
Abstract
The invention discloses a data center performance event management method based on server logs, which comprises the following steps: monitoring, by the mobile terminal, a synchronization signal and system information transmitted by the first base station; establishing RRC connection with the first base station by the mobile terminal in response to monitoring the synchronization signal and the system information transmitted by the first base station; sending, by the base station, a measurement report configuration to the mobile terminal in response to establishing the RRC connection with the first base station; determining, by the mobile terminal, a link quality of a first wireless link between the mobile terminal and the first base station based on a synchronization signal transmitted by the first base station in response to receiving the measurement report configuration; the method can be used for extracting events from the switch log by using a known method, or a novel mechanism for extracting events from the switch log, namely an FT-tree, can be used for transmitting data to a mobile terminal of a network maintainer after the events are extracted, so that the network maintainer can master the operation state of the server at any time and any place.
Description
Technical Field
The invention relates to the technical field of servers, in particular to a data center performance event management method and system based on server logs.
Background
The server has high-speed CPU computing capability, long-time reliable operation, strong I/O external data throughput capability and better expansibility.
The prior art CN110781143A discloses a method and device for server log query extraction, which includes: receiving log query command information carrying query keyword information and query range information, and converting the log query command information into a log query command write instruction set; starting a timing task to identify and execute a log query instruction in an instruction set, and generating a corresponding query log collection script; inquiring and extracting a target log on the server according to the inquiry keyword information and the inquiry range information; writing the target log into a log receiving folder according to the server identification mark; when the instruction set is executed, generating a finishing identifier corresponding to the query log and adding the finishing identifier to the shared folder; and acquiring target logs from each log receiving folder according to the query keyword information and the query range information, and merging to obtain a query log set.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a data center performance event management method and system based on server logs, which can overcome the defects of the prior art.
In order to achieve the above object, the present invention provides a data center performance event management method based on server logs, which is characterized in that the data center performance event management method based on server logs comprises the following steps:
monitoring, by the mobile terminal, a synchronization signal and system information transmitted by the first base station;
establishing RRC connection with the first base station by the mobile terminal in response to monitoring the synchronization signal and the system information transmitted by the first base station;
sending, by the base station, a measurement report configuration to the mobile terminal in response to establishing the RRC connection with the first base station;
determining, by the mobile terminal, a link quality of a first wireless link between the mobile terminal and the first base station based on a synchronization signal transmitted by the first base station in response to receiving the measurement report configuration;
determining, by the mobile terminal, a link quality of a second wireless link between the mobile terminal and the second base station based on the synchronization signal transmitted by the second base station and a link quality of a third wireless link between the mobile terminal and a third base station based on the synchronization signal transmitted by the third base station in response to receiving the measurement report configuration;
if the link quality of the first wireless link is judged to be lower than a first threshold value, and the link quality of the second wireless link and the link quality of the third wireless link are judged to be higher than a second threshold value, a measurement report is sent to the base station by the mobile terminal, wherein the second threshold value is larger than the first threshold value, and the first threshold value and the second threshold value are indicated in the measurement report configuration;
in response to receiving the measurement report, sending a first base station switching request to a second base station by the base station, wherein the first base station switching request at least comprises UE context;
and responding to the received measurement report, and sending a second base station switching request to the third base station by the base station, wherein the second base station switching request at least comprises the UE context.
In a preferred embodiment, the method for managing the performance events of the data center based on the server logs comprises the following steps:
responding to the received first base station switching request, and sending a first base station switching confirmation message to the first base station by the second base station, wherein the first base station switching confirmation message comprises information required by the mobile terminal to randomly access the second base station;
responding to the received second base station switching request, and sending a second base station switching confirmation message to the first base station by the third base station, wherein the second base station switching confirmation message comprises information required by the mobile terminal to randomly access the third base station;
responding to the received first base station switching confirmation message and the second base station switching confirmation message, and sending an RRC connection reconfiguration message to the mobile terminal by the first base station, wherein the RRC connection reconfiguration message at least comprises information required by the mobile terminal for randomly accessing the second base station and information required by the mobile terminal for randomly accessing the third base station;
in response to receiving the RRC connection reconfiguration message, continuing, by the mobile terminal, to determine a link quality of a second wireless link between the mobile terminal and the second base station based on the synchronization signal transmitted by the second base station and to determine a link quality of a third wireless link between the mobile terminal and the third base station based on the synchronization signal transmitted by the third base station;
determining, by the mobile terminal, whether a link quality of the second radio link and a link quality of the third radio link satisfy a handover condition, wherein the handover condition is that an average of the link qualities of the radio links over a predetermined period of time is greater than a third threshold value, wherein the handover condition is indicated in the RRC connection reconfiguration message;
if it is determined that neither the link quality of the second wireless link nor the link quality of the third wireless link satisfies the handover condition, maintaining, by the mobile terminal, communication with the first base station;
the method further includes receiving, by the mobile terminal, a data center performance event from the first base station in response to maintaining communication with the first base station, wherein the data center performance event is sent by the server to the first base station.
In a preferred embodiment, the method for managing the performance events of the data center based on the server logs comprises the following steps:
transmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if it is determined that the link quality of the second radio link satisfies the handover condition, wherein the random access preamble dedicated for random access to the second base station is transmitted to the first base station through a first base station handover confirm message, wherein the random access preamble dedicated for random access to the second base station is indicated in an RRC connection reconfiguration message;
sending, by the second base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the second base station, wherein the random access response includes at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
in response to receiving the random access response, switching, by the mobile terminal, to the second base station;
receiving, by the mobile terminal, a data center performance event from the second base station in response to the handover to the second base station, wherein the data center performance event is sent by the server to the second base station;
if the link quality of the second wireless link is determined to meet the handover condition, transmitting a random access preamble code which is specially used for randomly accessing the second base station to the second base station by the mobile terminal;
attempting, by the mobile terminal, to receive a random access response transmitted by the second base station in response to transmitting to the second base station a random access preamble dedicated for random access to the second base station;
retransmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if the random access response transmitted by the second base station is not received within a second predetermined time, wherein the predetermined time is indicated in the RRC connection reconfiguration message;
if the mobile terminal still cannot receive the random access response after transmitting the random access preamble code dedicated for randomly accessing the second base station to the second base station for the maximum number of times, the mobile terminal determines whether the link quality of the third wireless link satisfies the handover condition.
In a preferred embodiment, the method for managing the performance events of the data center based on the server logs comprises the following steps:
if the link quality of the third radio link is determined to meet the handover condition, transmitting, by the mobile terminal, a random access preamble dedicated for random access to the third base station, wherein the random access preamble dedicated for random access to the third base station is transmitted to the first base station through a first base station handover confirm message, wherein the random access preamble dedicated for random access to the third base station is indicated in the RRC connection reconfiguration message;
sending, by the third base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the third base station, wherein the random access response comprises at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
in response to receiving the random access response, switching, by the mobile terminal, to the third base station;
receiving, by the mobile terminal, a data center performance event from the third base station in response to the handover to the third base station, wherein the data center performance event is sent by the server to the third base station.
In a preferred embodiment, the method for managing the performance events of the data center based on the server logs comprises the following steps:
attempting, by the mobile terminal, to listen to a synchronization signal and system information transmitted by the fourth base station if it is determined that the link quality of the third wireless link does not satisfy the handover condition;
transmitting, by the mobile terminal, a random access preamble to the fourth base station in response to monitoring the synchronization signal and the system information transmitted by the fourth base station, wherein the random access preamble is indicated in the system information transmitted by the fourth base station;
in response to receiving the random access preamble, sending a random access response to the mobile terminal by the fourth base station, wherein the random access response at least comprises a timing advance indication, an uplink grant and a temporary C-RNTI;
sending, by the mobile terminal, an RRC connection request message to the fourth base station in response to receiving the random access response;
transmitting, by the fourth base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection request message;
in response to receiving the random access response, switching, by the mobile terminal, to the fourth base station;
receiving, by the mobile terminal, a data center performance event from the fourth base station in response to the handover to the fourth base station, wherein the data center performance event is sent by the server to the fourth base station.
The invention provides a data center performance event management system based on server logs, which is characterized by comprising the following steps:
means for listening, by the mobile terminal, for a synchronization signal and system information transmitted by the first base station;
means for establishing, by the mobile terminal, an RRC connection with the first base station in response to monitoring the synchronization signal and the system information transmitted by the first base station;
means for transmitting, by the base station, a measurement report configuration to the mobile terminal in response to establishing the RRC connection with the first base station;
means for determining, by the mobile terminal, a link quality of a first wireless link between the mobile terminal and the first base station based on a synchronization signal transmitted by the first base station in response to receiving the measurement report configuration;
means for determining, by the mobile terminal, a link quality of a second wireless link between the mobile terminal and the second base station based on the synchronization signal transmitted by the second base station and a link quality of a third wireless link between the mobile terminal and a third base station based on the synchronization signal transmitted by the third base station in response to receiving the measurement report configuration;
means for sending, by the mobile terminal, a measurement report to the base station if the link quality of the first wireless link is determined to be below a first threshold value and the link quality of the second wireless link and the link quality of the third wireless link are determined to be above a second threshold value, wherein the second threshold value is greater than the first threshold value and wherein the first threshold value and the second threshold value are indicated in a measurement report configuration;
means for transmitting, by a base station, a first base station handover request to a second base station in response to receiving a measurement report, wherein the first base station handover request includes at least a UE context;
means for transmitting, by the base station, a second base station handover request to the third base station in response to receiving the measurement report, wherein the second base station handover request includes at least the UE context.
In a preferred embodiment, a server log based data center performance event management system comprises:
a unit for responding to the received first base station switching request, sending a first base station switching confirmation message to the first base station by the second base station, wherein the first base station switching confirmation message comprises information required by the mobile terminal to randomly access the second base station;
a unit for responding to the received second base station switching request, and sending a second base station switching confirmation message to the first base station by the third base station, wherein the second base station switching confirmation message comprises information required by the mobile terminal to randomly access the third base station;
a unit configured to send, by the first base station, an RRC connection reconfiguration message to the mobile terminal in response to receiving the first base station handover confirmation message and the second base station handover confirmation message, where the RRC connection reconfiguration message includes at least information required for the mobile terminal to randomly access the second base station and information required for the mobile terminal to randomly access the third base station;
means for continuing, by the mobile terminal, determining, in response to receiving the RRC connection reconfiguration message, a link quality of a second wireless link between the mobile terminal and the second base station based on the synchronization signal transmitted by the second base station and a link quality of a third wireless link between the mobile terminal and a third base station based on the synchronization signal transmitted by the third base station;
means for determining, by the mobile terminal, whether a link quality of the second radio link and a link quality of a third radio link satisfy a handover condition, wherein the handover condition is that an average of the link qualities of the radio links over a predetermined period of time is greater than a third threshold value, wherein the handover condition is indicated in the RRC connection reconfiguration message;
means for maintaining, by the mobile terminal, communication with the first base station if it is determined that neither the link quality of the second wireless link nor the link quality of the third wireless link satisfies the handover condition;
the method includes receiving, by a mobile terminal, a data center performance event from a first base station in response to maintaining communication with the first base station, wherein the data center performance event is transmitted by a server to the first base station.
In a preferred embodiment, a server log based data center performance event management system comprises:
means for transmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if it is determined that the link quality of the second radio link satisfies the handover condition, wherein the random access preamble dedicated for random access to the second base station is transmitted to the first base station through a first base station handover confirm message, wherein the random access preamble dedicated for random access to the second base station is indicated in the RRC connection reconfiguration message;
means for transmitting, by the second base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the second base station, wherein the random access response comprises at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
means for handing over, by the mobile terminal, to the second base station in response to receiving the random access response;
means for receiving, by the mobile terminal, a data center performance event from the second base station in response to the handover to the second base station, wherein the data center performance event is sent to the second base station by the server;
means for transmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if it is determined that the link quality of the second radio link satisfies the handover condition;
means for attempting, by the mobile terminal, to receive a random access response transmitted by the second base station in response to transmitting a random access preamble dedicated for random access to the second base station;
means for retransmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if the random access response transmitted by the second base station is not received within a second predetermined time, wherein the predetermined time is indicated in the RRC connection reconfiguration message;
means for determining, by the mobile terminal, whether a link quality of the third wireless link satisfies a handover condition if the mobile terminal still cannot receive the random access response after transmitting the random access preamble dedicated for random access to the second base station a maximum number of times.
In a preferred embodiment, a server log based data center performance event management system comprises:
means for transmitting, by the mobile terminal, a random access preamble dedicated for random access to the third base station if it is determined that the link quality of the third radio link satisfies the handover condition, wherein the random access preamble dedicated for random access to the third base station is transmitted to the first base station by a first base station handover confirm message, wherein the random access preamble dedicated for random access to the third base station is indicated in an RRC connection reconfiguration message;
means for transmitting, by the third base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the third base station, wherein the random access response includes at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
means for handing over, by the mobile terminal, to the third base station in response to receiving the random access response;
means for receiving, by the mobile terminal, a data center performance event from the third base station in response to the handover to the third base station, wherein the data center performance event is sent by the server to the third base station.
In a preferred embodiment, a server log based data center performance event management system includes:
means for attempting, by the mobile terminal, to listen to a synchronization signal and system information transmitted by a fourth base station if it is determined that the link quality of the third wireless link does not satisfy the handover condition;
means for transmitting, by the mobile terminal, a random access preamble to the fourth base station in response to monitoring the synchronization signal and the system information transmitted by the fourth base station, wherein the random access preamble is indicated in the system information transmitted by the fourth base station;
means for transmitting, by the fourth base station, a random access response to the mobile terminal in response to receiving the random access preamble, wherein the random access response includes at least a timing advance indication, an uplink grant, and a temporary C-RNTI;
means for transmitting, by the mobile terminal, an RRC connection request message to the fourth base station in response to receiving the random access response;
means for transmitting, by the fourth base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection request message;
means for handing over, by the mobile terminal, to the fourth base station in response to receiving the random access response;
means for receiving, by the mobile terminal, a data center performance event from a fourth base station in response to the handover to the fourth base station, wherein the data center performance event is sent by the server to the fourth base station.
Compared with the prior art, the method has the advantages that generally, the event in the server log is extracted to be very important for server maintenance, wherein the event can be extracted from the exchanger log by using a known method, and a novel mechanism for extracting the event from the exchanger log, namely an FT-tree, can be used, and the FT-tree can accurately and incrementally learn a message template from the log so as to extract the fault event represented by the log message. After extracting the event, the network maintainer often wants to enable the server to transmit data to the mobile terminal, so that the network maintainer can master the operation state of the server at any time and any place.
Drawings
Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention.
FIG. 2 is a flow diagram of a method according to an embodiment of the invention.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention.
FIG. 2 is a flow diagram of a method according to an embodiment of the invention. As shown in the figure, the method of the present invention comprises the steps of:
step 101: monitoring, by the mobile terminal, a synchronization signal and system information transmitted by the first base station;
step 102: establishing, by the mobile terminal, an RRC connection with the first base station in response to monitoring the synchronization signal and the system information transmitted by the first base station;
step 103: sending, by the base station, a measurement report configuration to the mobile terminal in response to establishing the RRC connection with the first base station;
step 104: determining, by the mobile terminal, a link quality of a first wireless link between the mobile terminal and the first base station based on a synchronization signal transmitted by the first base station in response to receiving the measurement report configuration;
step 105: determining, by the mobile terminal, a link quality of a second wireless link between the mobile terminal and the second base station based on the synchronization signal transmitted by the second base station and a link quality of a third wireless link between the mobile terminal and a third base station based on the synchronization signal transmitted by the third base station in response to receiving the measurement report configuration;
step 106: if the link quality of the first wireless link is judged to be lower than a first threshold value, and the link quality of the second wireless link and the link quality of the third wireless link are judged to be higher than a second threshold value, a measurement report is sent to the base station by the mobile terminal, wherein the second threshold value is larger than the first threshold value, and the first threshold value and the second threshold value are indicated in the measurement report configuration;
step 107: in response to receiving the measurement report, sending, by the base station, a first base station handover request to the second base station, wherein the first base station handover request includes at least a UE context;
step 108: and responding to the received measurement report, and sending a second base station switching request to the third base station by the base station, wherein the second base station switching request at least comprises the UE context.
In a preferred embodiment, the method for managing the performance events of the data center based on the server logs comprises the following steps:
responding to the received first base station switching request, and sending a first base station switching confirmation message to the first base station by the second base station, wherein the first base station switching confirmation message comprises information required by the mobile terminal to randomly access the second base station;
responding to the received second base station switching request, and sending a second base station switching confirmation message to the first base station by the third base station, wherein the second base station switching confirmation message comprises information required by the mobile terminal to randomly access the third base station;
responding to the received first base station switching confirmation message and the second base station switching confirmation message, and sending an RRC connection reconfiguration message to the mobile terminal by the first base station, wherein the RRC connection reconfiguration message at least comprises information required by the mobile terminal for randomly accessing the second base station and information required by the mobile terminal for randomly accessing the third base station;
in response to receiving the RRC connection reconfiguration message, continuing, by the mobile terminal, to determine a link quality of a second wireless link between the mobile terminal and the second base station based on the synchronization signal transmitted by the second base station and to determine a link quality of a third wireless link between the mobile terminal and the third base station based on the synchronization signal transmitted by the third base station;
determining, by the mobile terminal, whether a link quality of the second radio link and a link quality of the third radio link satisfy a handover condition, wherein the handover condition is that an average of the link qualities of the radio links over a predetermined period of time is greater than a third threshold value, wherein the handover condition is indicated in the RRC connection reconfiguration message;
if it is determined that neither the link quality of the second wireless link nor the link quality of the third wireless link satisfies the handover condition, maintaining, by the mobile terminal, communication with the first base station;
receiving, by the mobile terminal, a data center performance event from the first base station in response to maintaining communication with the first base station, wherein the data center performance event is transmitted by the server to the first base station.
In a preferred embodiment, the method for managing the performance events of the data center based on the server logs comprises the following steps:
transmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if it is determined that the link quality of the second radio link satisfies the handover condition, wherein the random access preamble dedicated for random access to the second base station is transmitted to the first base station through a first base station handover confirm message, wherein the random access preamble dedicated for random access to the second base station is indicated in an RRC connection reconfiguration message;
sending, by the second base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the second base station, wherein the random access response includes at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
in response to receiving the random access response, switching by the mobile terminal to the second base station;
receiving, by the mobile terminal, a data center performance event from the second base station in response to the handover to the second base station, wherein the data center performance event is sent to the second base station by the server;
if the link quality of the second wireless link is determined to meet the handover condition, sending a random access preamble code which is specially used for randomly accessing the second base station to the second base station by the mobile terminal;
attempting, by the mobile terminal, to receive a random access response transmitted by the second base station in response to transmitting to the second base station a random access preamble dedicated for random access to the second base station;
retransmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if the random access response transmitted by the second base station is not received within a second predetermined time, wherein the predetermined time is indicated in the RRC connection reconfiguration message;
if the mobile terminal still cannot receive the random access response after transmitting the random access preamble code dedicated for randomly accessing the second base station to the second base station for the maximum number of times, the mobile terminal determines whether the link quality of the third wireless link satisfies the handover condition.
In a preferred embodiment, the method for managing the performance events of the data center based on the server logs comprises the following steps:
transmitting, by the mobile terminal, a random access preamble dedicated for random access to the third base station if it is determined that the link quality of the third radio link satisfies the handover condition, wherein the random access preamble dedicated for random access to the third base station is transmitted to the first base station through a first base station handover confirm message, wherein the random access preamble dedicated for random access to the third base station is indicated in an RRC connection reconfiguration message;
sending, by the third base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the third base station, wherein the random access response includes at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
in response to receiving the random access response, switching, by the mobile terminal, to the third base station;
receiving, by the mobile terminal, a data center performance event from the third base station in response to the handover to the third base station, wherein the data center performance event is sent by the server to the third base station.
In a preferred embodiment, the method for managing the performance events of the data center based on the server logs comprises the following steps:
attempting, by the mobile terminal, to listen to a synchronization signal and system information transmitted by the fourth base station if it is determined that the link quality of the third wireless link does not satisfy the handover condition;
transmitting, by the mobile terminal, a random access preamble to the fourth base station in response to monitoring the synchronization signal and the system information transmitted by the fourth base station, wherein the random access preamble is indicated in the system information transmitted by the fourth base station;
in response to receiving the random access preamble, sending a random access response to the mobile terminal by the fourth base station, wherein the random access response at least comprises a timing advance indication, an uplink authorization and a temporary C-RNTI;
sending, by the mobile terminal, an RRC connection request message to the fourth base station in response to receiving the random access response;
transmitting, by the fourth base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection request message;
in response to receiving the random access response, switching, by the mobile terminal, to the fourth base station;
receiving, by the mobile terminal, a data center performance event from the fourth base station in response to the handover to the fourth base station, wherein the data center performance event is sent by the server to the fourth base station.
The invention provides a data center performance event management system based on server logs, which is characterized by comprising the following steps:
means for listening, by the mobile terminal, for a synchronization signal and system information transmitted by the first base station;
means for establishing, by the mobile terminal, an RRC connection with the first base station in response to monitoring the synchronization signal and the system information transmitted by the first base station;
means for transmitting, by the base station, a measurement report configuration to the mobile terminal in response to establishing the RRC connection with the first base station;
means for determining, by the mobile terminal, a link quality of a first wireless link between the mobile terminal and the first base station based on a synchronization signal transmitted by the first base station in response to receiving the measurement report configuration;
means for determining, by the mobile terminal, a link quality of a second wireless link between the mobile terminal and the second base station based on the synchronization signal transmitted by the second base station and a link quality of a third wireless link between the mobile terminal and a third base station based on the synchronization signal transmitted by the third base station in response to receiving the measurement report configuration;
means for sending, by the mobile terminal, a measurement report to the base station if it is determined that the link quality of the first wireless link is below a first threshold and the link quality of the second wireless link and the link quality of the third wireless link are above a second threshold, wherein the second threshold is greater than the first threshold, and wherein the first threshold and the second threshold are indicated in a measurement report configuration;
means for transmitting, by a base station, a first base station handover request to a second base station in response to receiving a measurement report, wherein the first base station handover request includes at least a UE context;
means for transmitting, by the base station, a second base station handover request to the third base station in response to receiving the measurement report, wherein the second base station handover request includes at least the UE context.
In a preferred embodiment, a server log based data center performance event management system comprises:
a unit for responding to the received first base station switching request, sending a first base station switching confirmation message to the first base station by the second base station, wherein the first base station switching confirmation message comprises information required by the mobile terminal to randomly access the second base station;
a unit for responding to the received second base station switching request, and sending a second base station switching confirmation message to the first base station by the third base station, wherein the second base station switching confirmation message comprises information required by the mobile terminal to randomly access the third base station;
means for sending, by the first base station, an RRC connection reconfiguration message to the mobile terminal in response to receiving the first base station handover confirmation message and the second base station handover confirmation message, wherein the RRC connection reconfiguration message includes at least information required for the mobile terminal to randomly access the second base station and information required for the mobile terminal to randomly access the third base station;
means for continuing, by the mobile terminal, determining, in response to receiving the RRC connection reconfiguration message, a link quality of a second wireless link between the mobile terminal and the second base station based on the synchronization signal transmitted by the second base station and a link quality of a third wireless link between the mobile terminal and a third base station based on the synchronization signal transmitted by the third base station;
means for determining, by the mobile terminal, whether a link quality of the second radio link and a link quality of a third radio link satisfy a handover condition, wherein the handover condition is that an average of the link qualities of the radio links over a predetermined period of time is greater than a third threshold value, wherein the handover condition is indicated in the RRC connection reconfiguration message;
means for maintaining, by the mobile terminal, communication with the first base station if it is determined that neither the link quality of the second wireless link nor the link quality of the third wireless link satisfies the handover condition;
the method includes receiving, by a mobile terminal, a data center performance event from a first base station in response to maintaining communication with the first base station, wherein the data center performance event is transmitted by a server to the first base station.
In a preferred embodiment, a server log based data center performance event management system includes:
means for transmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if it is determined that the link quality of the second radio link satisfies the handover condition, wherein the random access preamble dedicated for random access to the second base station is transmitted to the first base station by a first base station handover confirm message, wherein the random access preamble dedicated for random access to the second base station is indicated in an RRC connection reconfiguration message;
means for transmitting, by the second base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the second base station, wherein the random access response comprises at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
means for handing over, by the mobile terminal, to the second base station in response to receiving the random access response;
means for receiving, by the mobile terminal, a data center performance event from the second base station in response to the handover to the second base station, wherein the data center performance event is sent to the second base station by the server;
means for transmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if it is determined that the link quality of the second radio link satisfies the handover condition;
means for attempting, by the mobile terminal, to receive a random access response transmitted by the second base station in response to transmitting a random access preamble dedicated for random access to the second base station;
means for retransmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if the random access response transmitted by the second base station is not received within a second predetermined time, wherein the predetermined time is indicated in the RRC connection reconfiguration message;
means for determining, by the mobile terminal, whether the link quality of the third wireless link satisfies the handover condition if the mobile terminal still cannot receive the random access response after transmitting the random access preamble dedicated for random access to the second base station a maximum number of times.
In a preferred embodiment, a server log based data center performance event management system includes:
means for transmitting, by the mobile terminal, a random access preamble dedicated for random access to the third base station if it is determined that the link quality of the third radio link satisfies the handover condition, wherein the random access preamble dedicated for random access to the third base station is transmitted to the first base station by a first base station handover confirm message, wherein the random access preamble dedicated for random access to the third base station is indicated in an RRC connection reconfiguration message;
means for transmitting, by the third base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the third base station, wherein the random access response includes at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
means for handing over, by the mobile terminal, to the third base station in response to receiving the random access response;
means for receiving, by the mobile terminal, a data center performance event from a third base station in response to the handover to the third base station, wherein the data center performance event is sent by the server to the third base station.
In a preferred embodiment, a server log based data center performance event management system comprises:
means for attempting, by the mobile terminal, to listen to a synchronization signal and system information transmitted by a fourth base station if it is determined that the link quality of the third wireless link does not satisfy the handover condition;
means for transmitting, by the mobile terminal, a random access preamble to the fourth base station in response to monitoring the synchronization signal and the system information transmitted by the fourth base station, wherein the random access preamble is indicated in the system information transmitted by the fourth base station;
means for transmitting, by the fourth base station, a random access response to the mobile terminal in response to receiving the random access preamble, wherein the random access response includes at least a timing advance indication, an uplink grant, and a temporary C-RNTI;
means for transmitting, by the mobile terminal, an RRC connection request message to the fourth base station in response to receiving the random access response;
means for transmitting, by the fourth base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection request message;
means for handing over, by the mobile terminal, to the fourth base station in response to receiving the random access response;
means for receiving, by the mobile terminal, a data center performance event from a fourth base station in response to the handover to the fourth base station, wherein the data center performance event is sent to the fourth base station by the server.
The method for extracting events from the switch logs can be a method known in the art, and can also be a novel mechanism proposed by the applicant for extracting events from the switch logs, namely an FT-tree, which can accurately and incrementally learn a message template from the logs to extract fault events represented by log messages, using logs and fault cases collected from switches distributed over more than 10 data centers for up to 2 years.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (9)
1. A data center performance event management method based on server logs is characterized by comprising the following steps:
monitoring, by the mobile terminal, a synchronization signal and system information transmitted by the first base station;
establishing, by a mobile terminal, an RRC connection with a first base station in response to monitoring a synchronization signal and system information transmitted by the first base station;
sending, by a base station, a measurement report configuration to the mobile terminal in response to establishing an RRC connection with the first base station;
determining, by a mobile terminal, a link quality of a first radio link between the mobile terminal and a first base station based on a synchronization signal transmitted by the first base station in response to receiving the measurement report configuration;
determining, by a mobile terminal, a link quality of a second wireless link between the mobile terminal and a second base station and a link quality of a third wireless link between the mobile terminal and a third base station based on a synchronization signal transmitted by the second base station and a synchronization signal transmitted by the third base station in response to receiving the measurement report configuration;
sending, by a mobile terminal, a measurement report to the base station if it is determined that a link quality of a first wireless link is below a first threshold and a link quality of a second wireless link and a link quality of a third wireless link are above a second threshold, wherein the second threshold is greater than the first threshold, and wherein the first threshold and the second threshold are indicated in the measurement report configuration;
sending, by a base station, a first base station handover request to the second base station in response to receiving the measurement report, wherein the first base station handover request includes at least a UE context;
sending, by the base station, a second base station handover request to the third base station in response to receiving the measurement report, wherein the second base station handover request includes at least a UE context;
responding to the received first base station switching request, sending a first base station switching confirmation message to the first base station by a second base station, wherein the first base station switching confirmation message comprises information required by a mobile terminal to randomly access the second base station;
responding to the received second base station switching request, and sending a second base station switching confirmation message to the first base station by a third base station, wherein the second base station switching confirmation message comprises information required by a mobile terminal to randomly access the third base station;
responding to the received first base station switching confirmation message and the second base station switching confirmation message, and sending an RRC connection reconfiguration message to the mobile terminal by the first base station, wherein the RRC connection reconfiguration message at least comprises information required by the mobile terminal for randomly accessing the second base station and information required by the mobile terminal for randomly accessing the third base station;
in response to receiving the RRC connection reconfiguration message, continuing to determine, by the mobile terminal, a link quality of a second wireless link between the mobile terminal and a second base station based on a synchronization signal transmitted by the second base station and a link quality of a third wireless link between the mobile terminal and a third base station based on a synchronization signal transmitted by the third base station;
determining, by the mobile terminal, whether a link quality of the second radio link and a link quality of a third radio link satisfy a handover condition, wherein the handover condition is that an average value of the link qualities of the radio links over a predetermined period of time is greater than a third threshold value, wherein the handover condition is indicated in the RRC connection reconfiguration message;
maintaining, by the mobile terminal, communication with the first base station if it is determined that neither the link quality of the second wireless link nor the link quality of the third wireless link satisfies the handover condition;
receiving, by a mobile terminal from the first base station, the data center performance event in response to maintaining communication with the first base station, wherein the data center performance event is transmitted by a server to the first base station.
2. The server log-based data center performance event management method according to claim 1, wherein the server log-based data center performance event management method comprises the steps of:
transmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if it is determined that the link quality of the second radio link satisfies a handover condition, wherein the random access preamble dedicated for random access to the second base station is transmitted to the first base station through the first base station handover confirm message, wherein the random access preamble dedicated for random access to the second base station is indicated in the RRC connection reconfiguration message;
transmitting, by the second base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the second base station, wherein the random access response comprises at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
in response to receiving the random access response, handing over, by the mobile terminal, to the second base station;
receiving, by a mobile terminal from a second base station, the data center performance event in response to a handover to the second base station, wherein the data center performance event is sent to the second base station by a server;
if the link quality of a second wireless link is determined to meet the switching condition, a random access lead code which is specially used for randomly accessing the second base station is sent to the second base station by a mobile terminal;
attempting, by the mobile terminal, to receive a random access response transmitted by the second base station in response to transmitting a random access preamble dedicated for random access to the second base station;
retransmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if the random access response transmitted by the second base station is not received within a second predetermined time, wherein the predetermined time is indicated in the RRC connection reconfiguration message;
and if the mobile terminal still cannot receive the random access response after the random access preamble code specially used for randomly accessing the second base station is sent to the second base station for the maximum number of times, judging whether the link quality of the third wireless link meets the switching condition or not by the mobile terminal.
3. The server log-based data center performance event management method according to claim 2, wherein the server log-based data center performance event management method comprises the steps of:
transmitting, by the mobile terminal, a random access preamble dedicated for random access to the third base station if it is determined that the link quality of the third radio link satisfies a handover condition, wherein the random access preamble dedicated for random access to the third base station is transmitted to the first base station through the first base station handover confirm message, wherein the random access preamble dedicated for random access to the third base station is indicated in the RRC connection reconfiguration message;
transmitting, by the third base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the third base station, wherein the random access response includes at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
in response to receiving the random access response, handing over, by the mobile terminal, to a third base station;
receiving, by a mobile terminal, the data center performance event from a third base station in response to a handover to the third base station, wherein the data center performance event is sent to the third base station by a server.
4. The server log based data center performance event management method according to claim 3, wherein the server log based data center performance event management method comprises the steps of:
attempting, by the mobile terminal, to listen to a synchronization signal and system information transmitted by the fourth base station if it is determined that the link quality of the third wireless link does not satisfy the handover condition;
transmitting, by the mobile terminal, a random access preamble to a fourth base station in response to monitoring a synchronization signal and system information transmitted by the fourth base station, wherein the random access preamble is indicated in the system information transmitted by the fourth base station;
sending, by a fourth base station, a random access response to the mobile terminal in response to receiving the random access preamble, wherein the random access response includes at least a timing advance indication, an uplink grant, and a temporary C-RNTI;
sending, by the mobile terminal, an RRC connection request message to the fourth base station in response to receiving the random access response;
transmitting, by a fourth base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection request message;
in response to receiving the random access response, switching, by the mobile terminal, to a fourth base station;
receiving, by a mobile terminal, the data center performance event from a fourth base station in response to a handover to the fourth base station, wherein the data center performance event is sent to the fourth base station by a server.
5. A server log-based data center performance event management system, comprising:
means for listening, by the mobile terminal, for synchronization signals and system information transmitted by the first base station;
means for establishing, by a mobile terminal, an RRC connection with a first base station in response to monitoring a synchronization signal and system information transmitted by the first base station;
means for transmitting, by a base station, a measurement report configuration to the mobile terminal in response to establishing an RRC connection with the first base station;
means for determining, by a mobile terminal, a link quality of a first wireless link between the mobile terminal and a first base station based on a synchronization signal transmitted by the first base station in response to receiving the measurement report configuration;
means for determining, by a mobile terminal, a link quality of a second wireless link between the mobile terminal and a second base station based on a synchronization signal transmitted by the second base station and a link quality of a third wireless link between the mobile terminal and a third base station based on a synchronization signal transmitted by the third base station in response to receiving the measurement report configuration;
means for sending, by a mobile terminal, a measurement report to the base station if it is determined that a link quality of a first wireless link is below a first threshold and a link quality of a second wireless link and a link quality of a third wireless link are above a second threshold, wherein the second threshold is greater than the first threshold, and wherein the first threshold and the second threshold are indicated in the measurement report configuration;
means for transmitting, by a base station, a first base station handover request to the second base station in response to receiving the measurement report, wherein the first base station handover request includes at least a UE context;
means for transmitting, by the base station, a second base station handover request to the third base station in response to receiving the measurement report, wherein the second base station handover request includes at least a UE context.
6. The server log-based data center performance event management system of claim 5, wherein the server log-based data center performance event management system comprises:
a unit configured to send, by a second base station, a first base station handover confirmation message to the first base station in response to receiving the first base station handover request, where the first base station handover confirmation message includes information required for a mobile terminal to randomly access the second base station;
a unit configured to send, by a third base station, a second base station handover confirmation message to the first base station in response to receiving the second base station handover request, where the second base station handover confirmation message includes information required for a mobile terminal to randomly access the third base station;
means for sending, by the first base station, an RRC connection reconfiguration message to the mobile terminal in response to receiving the first base station handover confirmation message and the second base station handover confirmation message, wherein the RRC connection reconfiguration message at least includes information required for the mobile terminal to randomly access the second base station and information required for the mobile terminal to randomly access the third base station;
means for continuing, by a mobile terminal, determining a link quality of a second wireless link between the mobile terminal and a second base station based on a synchronization signal transmitted by the second base station and determining a link quality of a third wireless link between the mobile terminal and a third base station based on a synchronization signal transmitted by the third base station in response to receiving the RRC connection reconfiguration message;
means for determining, by the mobile terminal, whether a link quality of the second radio link and a link quality of a third radio link satisfy a handover condition, wherein the handover condition is that an average of the link qualities of the radio links over a predetermined period of time is greater than a third threshold value, wherein the handover condition is indicated in the RRC connection reconfiguration message;
means for maintaining, by a mobile terminal, communication with the first base station if it is determined that neither the link quality of the second wireless link nor the link quality of the third wireless link satisfies the handover condition;
means for receiving, by a mobile terminal, the data center performance event from the first base station in response to maintaining communication with the first base station, wherein the data center performance event is sent to the first base station by a server.
7. The server log based datacenter performance event management system of claim 6, wherein the server log based datacenter performance event management system comprises:
means for transmitting, by a mobile terminal, a random access preamble dedicated for random access to the second base station if it is determined that a link quality of a second radio link satisfies a handover condition, wherein the random access preamble dedicated for random access to the second base station is transmitted to the first base station through the first base station handover confirm message, wherein the random access preamble dedicated for random access to the second base station is indicated in the RRC connection reconfiguration message;
means for transmitting, by the second base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the second base station, wherein the random access response includes at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
means for handing over, by the mobile terminal, to the second base station in response to receiving the random access response;
means for receiving, by a mobile terminal, the data center performance event from a second base station in response to a handover to the second base station, wherein the data center performance event is sent to the second base station by a server;
means for transmitting, by a mobile terminal, a random access preamble dedicated for random access to a second base station to the second base station if it is determined that a link quality of the second radio link satisfies a handover condition;
means for attempting, by a mobile terminal, to receive a random access response transmitted by a second base station in response to transmitting a random access preamble dedicated for random access to the second base station;
means for retransmitting, by the mobile terminal, a random access preamble dedicated for random access to the second base station if the random access response transmitted by the second base station is not received within a second predetermined time, wherein the predetermined time is indicated in the RRC connection reconfiguration message;
means for determining, by the mobile terminal, whether the link quality of the third radio link satisfies a handover condition if the mobile terminal still cannot receive the random access response after transmitting a random access preamble dedicated for random access to the second base station a maximum number of times.
8. The server log based datacenter performance event management system of claim 7, wherein the server log based datacenter performance event management system comprises:
means for transmitting, by a mobile terminal, a random access preamble dedicated for random access to a third base station to the third base station if it is determined that a link quality of a third radio link satisfies a handover condition, wherein the random access preamble dedicated for random access to the third base station is transmitted to the first base station through the first base station handover confirm message, wherein the random access preamble dedicated for random access to the third base station is indicated in the RRC connection reconfiguration message;
means for transmitting, by the third base station, a random access response to the mobile terminal in response to receiving a random access preamble dedicated for random access to the third base station, wherein the random access response comprises at least an uplink grant, a timing advance command, and a C-RNTI assigned to the mobile terminal;
means for handing over, by the mobile terminal, to a third base station in response to receiving the random access response;
means for receiving, by a mobile terminal, the data center performance event from a third base station in response to a handover to the third base station, wherein the data center performance event is sent by a server to the third base station.
9. The server log based datacenter performance event management system of claim 8, wherein the server log based datacenter performance event management system comprises:
means for attempting, by the mobile terminal, to listen to a synchronization signal and system information transmitted by the fourth base station if it is determined that the link quality of the third wireless link does not satisfy the handover condition;
means for transmitting, by a mobile terminal, a random access preamble to a fourth base station in response to monitoring a synchronization signal and system information transmitted by the fourth base station, wherein the random access preamble is indicated in the system information transmitted by the fourth base station;
means for transmitting, by a fourth base station to the mobile terminal, a random access response in response to receiving the random access preamble, wherein the random access response includes at least a timing advance indication, an uplink grant, and a temporary C-RNTI;
means for transmitting, by the mobile terminal, an RRC connection request message to the fourth base station in response to receiving the random access response;
means for transmitting, by a fourth base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection request message;
means for handing over, by the mobile terminal, to a fourth base station in response to receiving the random access response;
means for receiving, by a mobile terminal, the data center performance event from a fourth base station in response to a handover to the fourth base station, wherein the data center performance event is sent to the fourth base station by a server.
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| CN105517077A (en) * | 2015-06-17 | 2016-04-20 | 广东通宇通讯股份有限公司 | Network re-election and switching method, base station and mobile terminal |
| US10492107B2 (en) * | 2016-11-03 | 2019-11-26 | Ofinno, Llc | SPS configuration during handover |
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