CN109698848B - Session pre-establishment method and device - Google Patents
Session pre-establishment method and device Download PDFInfo
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- CN109698848B CN109698848B CN201710996733.9A CN201710996733A CN109698848B CN 109698848 B CN109698848 B CN 109698848B CN 201710996733 A CN201710996733 A CN 201710996733A CN 109698848 B CN109698848 B CN 109698848B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
Abstract
The application provides a session pre-establishment method, which comprises the following steps: counting the emergency call times and the non-emergency call times of each user in each time period in a preset period, and determining typical values of the emergency call times and the non-emergency call times of each user in each time period; determining a conversation pre-establishment weight of the user in the corresponding time period according to the user priority and the determined typical values of the emergency call times and the non-emergency call times corresponding to each time period; and preferentially distributing session pre-established media resources to the users with high session pre-established weight and performing session pre-establishment aiming at each user in each time period. Based on the same inventive concept, a session pre-establishment device is also provided, which can improve the use efficiency of system resources and the system performance.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for pre-establishing a session.
Background
The Long Term Evolution (LTE) system has the advantages of high peak rate, low time delay, large system capacity, simple network architecture, low operation cost, and the like.
An LTE-based broadband trunking (MCPTT) system can be used for public security or general commercial applications To meet the service needs of users.
The MCPTT is based on an LTE network architecture, and communication functions such as group calling, single calling, broadcast calling and the like are realized through an MCPTT application server and MCPTT client application software of terminal UE through an IMS network at an application layer. The call and Session control process of the MCPTT system uses Session Initiation Protocol (SIP) to support application service selection and message routing of the signaling control plane.
In the broadband cluster system, after the user completes service authorization, session pre-establishment can be performed between the user terminal and the cluster server as required, and media parameters (including IP addresses, port numbers, media coding and decoding modes and the like) required by media bearer establishment are negotiated between the terminal and the server. After the session is pre-established, the user is used for controlling the corresponding media bearer to be in an activated state; the media bearer carrying the voice or data service can be activated immediately or through SIP signaling when the user initiates the voice or data service.
The user terminal and the server pre-establish the session and negotiate the media bearing resource in advance, so that the call establishment delay can be reduced.
The existing session pre-establishment process mostly adopts a static parameter configuration mode to pre-establish the session for the user, the static session pre-establishment mode influences the utilization efficiency of system media resources, especially under the conditions of busy system service and media resource shortage, the static media resource occupation mode can not avoid causing that part of occupied media resources are in an idle state, and the waste of the system resources can influence the performance of the whole system.
Disclosure of Invention
In view of this, the present application provides a method and an apparatus for pre-establishing a session, which can improve the utilization efficiency of system resources and improve the system performance.
In order to solve the technical problem, the technical scheme of the application is realized as follows:
a method of session pre-establishment, the method comprising:
counting the emergency call times and the non-emergency call times of each user in each time period in a preset period, and determining typical values of the emergency call times and the non-emergency call times of each user in each time period;
determining a conversation pre-establishment weight of the user in the corresponding time period according to the user priority and the determined typical values of the emergency call times and the non-emergency call times corresponding to each time period;
and preferentially distributing session pre-established media resources to the users with high session pre-established weight and performing session pre-establishment aiming at each user in each time period.
Wherein, the determining the conversation pre-establishment weight of the user in the corresponding time period according to the user priority and the determined typical value of the emergency call times and the non-emergency call times corresponding to each time period comprises:
configuring a corresponding session pre-establishment weight factor according to the user priority; configuring corresponding session pre-establishment weight factors aiming at the typical value of the emergency call times and the typical value of the non-emergency call times; the sum of the session pre-establishment weight factor corresponding to the typical value of the emergency call times and the session pre-establishment weight factor corresponding to the typical value of the non-emergency call times is 1;
and aiming at any time period, respectively weighting the user priority, the typical value of the emergency call times and the typical value of the non-emergency call times by using corresponding session pre-establishment weight factors, and summing to obtain the session pre-establishment weight of the user in the corresponding time period.
The counting of the emergency call times and the non-emergency call times of each user in each time interval in the preset period and the determining of typical values of the emergency call times and the non-emergency call times of each user in each time interval comprise:
acquiring user call information data in each time period in a preset period;
counting the emergency call times and non-emergency call times of each user in a preset period aiming at any time interval;
and typical values for the number of emergency calls and the number of non-emergency calls for each user per time period are determined according to preset rules.
Wherein the method further comprises: the duration of the pre-established session is allocated for each period.
When the duration of the pre-established session configured for any period of time is greater than the duration of the period of time, the method further comprises: step (ii) of
A. When any user carries out session pre-establishment, if the available session pre-established media resources do not exist, determining whether the user carrying out session pre-establishment exists or not, and if so, executing the step B; otherwise, executing step D;
B. determining whether a user with a smaller session pre-establishment weight than the user currently needing session pre-establishment exists, and if so, executing the step C; otherwise, executing step D;
C. preempting the session pre-established media resource of the user with small session pre-established weight, pre-establishing the session for the user needing session pre-establishment at present, and ending the process;
and D, not carrying out session pre-establishment for the user needing session pre-establishment currently.
Wherein the content of the first and second substances,
when the magnitude of the pre-established weight of the two user sessions is compared, the magnitude of the pre-established weight of the user sessions of the two users in the same time period is compared.
Wherein, the pre-establishing the session media resource of the user with the small pre-establishing weight to preempt the pre-establishing the session for the user needing the pre-establishing the session at present comprises:
determining a set of users who have performed session pre-establishment and whose session pre-establishment weight is smaller than the current session pre-establishment weight;
and selecting the user with the minimum session pre-establishment weight in the set, preempting the media resources for session pre-establishment, and performing session pre-establishment.
An apparatus for pre-establishing a session, the apparatus comprising: the device comprises a statistical unit, a first determining unit, a second determining unit and an establishing unit;
the statistical unit is used for counting the emergency call times and the non-emergency call times of each user in each time interval in a preset period;
the first determining unit is used for determining typical values of the emergency call times and the non-emergency call times obtained by the statistical unit of each user in each time period;
the second determining unit is used for determining the conversation pre-establishment weight of the user in the corresponding time period according to the user priority and the typical values of the emergency call times and the non-emergency call times corresponding to each time period determined by the first determining unit;
the establishing unit preferentially allocates session pre-established media resources to the user with the high session pre-established weight determined by the second determining unit for each user in each time period, and performs session pre-establishment.
Wherein the apparatus further comprises: a configuration unit;
the configuration unit is used for configuring corresponding session pre-establishment weight factors according to the user priority; configuring corresponding session pre-establishment weight factors aiming at the typical value of the emergency call times and the typical value of the non-emergency call times; the sum of the session pre-establishment weight factor corresponding to the typical value of the emergency call times and the session pre-establishment weight factor corresponding to the typical value of the non-emergency call times is 1;
the second determining unit is specifically configured to, when determining the session pre-establishment weight of the user in the corresponding time period according to the user priority and the determined typical values of the emergency call times and the non-emergency call times corresponding to each time period, respectively weigh and sum the user priority, the typical value of the emergency call times, and the typical value of the non-emergency call times by using the corresponding session pre-establishment weight factors configured by the configuring unit in any time period, so as to obtain the session pre-establishment weight of the user in the corresponding time period.
Wherein the content of the first and second substances,
the statistical unit is used for acquiring user call information data in each time interval in a preset period when the emergency call times and the non-emergency call times of each user in each time interval in the preset period are counted; counting the emergency call times and non-emergency call times of each user in a preset period aiming at any time interval;
the first determining unit is specifically configured to determine typical values of the emergency call times and the non-emergency call times of each user in each time period according to a preset rule when determining the typical values of the emergency call times and the non-emergency call times of each user in each time period.
According to the technical scheme, the server determines the session pre-establishment weight of each user in each time period based on the user priority, the emergency call times and the typical value of the non-emergency call times, dynamically manages the user session pre-establishment according to the session pre-establishment weight time period, preferentially performs session pre-establishment for the user with the high user session pre-establishment weight in the current time period, and can improve the use efficiency of system resources and the system performance.
Drawings
Fig. 1 is a schematic diagram illustrating a session pre-establishment process in an embodiment of the present application;
fig. 2 is a schematic diagram of a session pre-established media resource preemption flow in the second embodiment of the present application;
fig. 3 is a schematic diagram of a session pre-established media resource preemption flow in the third embodiment of the present application;
fig. 4 is a schematic structural diagram of an apparatus applied to the above-described technology in the embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the technical solutions of the present invention are described in detail below with reference to the accompanying drawings and examples.
The embodiment of the application provides a session pre-establishment method, a server determines session pre-establishment weights of each user in each time period based on typical values of user priorities, emergency call times and non-emergency call times, dynamic management is carried out on user session pre-establishment according to the session pre-establishment weight time period, session pre-establishment is preferentially carried out on users with large user session pre-establishment weights in the current time period, the use efficiency of system resources can be improved, and the system performance is improved.
In the specific implementation of the present application, the relevant information configured by the system is as follows:
a media resource pool used for session pre-establishment, wherein the session pre-establishment media resources required by the session pre-establishment come from the media resource pool;
the system configures the user priority, and according to the existing implementation configuration, the embodiment of the application takes the high priority with a high priority value as an example.
The present application requires newly added configuration information:
configuring a session pre-establishment weighting factor corresponding to the user priority for each user priority, wherein the value of the factor is a value between [0 and 1] during specific implementation, if a user with high user priority is expected to perform session pre-establishment preferentially, the value of the factor is set to be relatively large, and during specific implementation, the factor can be set according to actual application conditions.
For different time periods, the session pre-establishment weighting factors corresponding to the configured user priorities can be the same or different, so that the user priorities can flexibly contribute more to the session pre-establishment weighting factors in which time period.
And configuring a preset period, namely performing a statistical period of the emergency call times and the non-emergency call times, wherein if data analysis is performed for 30 days, the preset period is configured for 30 days.
The length of the time period is configured, the time length of each day is divided into different time periods to serve as the length of the time period, and the divided time periods can be the same or different in length. For example, each hour may be divided into a time period, each hour of the day may also be divided into a time period, and the night may be divided into two time periods, etc., which may be divided according to specific implementations, and the time period division manner is not limited in the present application.
Configuring a session pre-establishment weight factor corresponding to the typical value of the emergency call times and the typical value of the non-emergency call times; the sum of the session pre-establishment weight factor corresponding to the typical value of the emergency call times and the session pre-establishment weight factor corresponding to the typical value of the non-emergency call times is 1;
the session pre-establishment weighting factors corresponding to the emergency call times typical value and the non-emergency call times typical value configured for different periods of time may be the same or different. This provides flexibility in which time periods emergency and non-emergency calls contribute more to the session pre-established weighting factor.
The server counts the emergency call times and the non-emergency call times of each user in each time period in a preset period, and the method is specifically realized as follows:
the server acquires user call information data in each time period in a preset period;
counting the emergency call times and non-emergency call times of each user in a preset period aiming at any time interval;
and typical values for the number of emergency calls and the number of non-emergency calls for each user per time period are determined according to preset rules.
In a specific implementation, the session pre-establishment weighting factor may be determined according to actual needs by using a parameter other than the number of calls in the user call information data as a typical value, which is determined in the embodiment of the present application.
In specific implementation, the preset rule may be to average the number of calls, or to perform data distribution analysis, and to average the number of calls concentrated in a preset range.
In the present embodiment, the typical values of the plurality of data may be determined by a conventional method or a pre-configured method, without limitation.
Example one
Referring to fig. 1, fig. 1 is a schematic view illustrating a session pre-establishment process according to a first embodiment of the present application. The method comprises the following specific steps:
In this step, the server determines a session pre-establishment weight for each user according to the user priority and the determined typical values of the emergency call times and the non-emergency call times for any time interval, and the method includes:
and aiming at any time period, respectively weighting the user priority, the typical value of the emergency call times and the typical value of the non-emergency call times by using corresponding session pre-establishment weight factors, and summing to obtain the session pre-establishment weight of the user in the corresponding time period.
And when the user determines the session pre-establishment weight of the user in a period, the typical value of the emergency call times and the typical value of the non-emergency call times acquired in the corresponding period are used.
The following gives a specific calculation procedure to explain in more detail the pre-established weights of the user's session at different time periods:
Weight＝a×User_Priority+Delta_Weight；
wherein the content of the first and second substances,
Delta_Weight＝b×User_BHCA_UrgentCall+(1-b)×User_BHCA_NormalCall；
delta _ Weight is a session pre-established Weight adjustment value of user call service in different periods, and the initial value is 0;
user _ Priority is User Priority, User with large value has high Priority, and the system is configurable;
a is a pre-established weight factor of the session corresponding to the user priority, the value is a number between [0,1], and the system is configurable;
b is a session pre-established weight factor corresponding to a typical value of the emergency call frequency, the value is a number between [0,1], and the system is configurable;
1-b is a session pre-establishment weight factor corresponding to a typical value of the number of non-emergency calls, and the value is a number between [0 and 1 ]; in particular implementations, a value for b is typically set to be greater than a value of 1-b;
the User _ BHCA _ UnrgentCall is a typical value based on the emergency call times obtained by the User in the corresponding time period in a preset period, and the initial value is 0;
the User _ BHCA _ NormalCall is a typical value based on the number of non-emergency call services obtained by the User in the corresponding time period within the preset period, and the initial value is 0.
When N time periods are divided, a session pre-establishment weight value is determined for each time period for the user, that is, N session pre-establishment weight values are obtained for each user.
When the session pre-establishment is needed for the user in each period, determining the time for establishing the session pre-establishment weight of the user or the time for failing to establish the session due to insufficient media resources.
And 102, preferentially distributing session pre-established media resources to the users with high session pre-established weight by the server aiming at each user in each time interval, and performing session pre-establishment.
When the method is concretely realized, a user queue to be subjected to session pre-establishment can be established, all users are arranged from large to small according to the session pre-establishment weight of all users, and when the session pre-establishment is carried out for all users, the session pre-establishment is carried out for the users with large session pre-establishment weight preferentially; after the establishment is finished, the user is moved to the user queue with the session pre-established until all users perform the session pre-establishment or no resource is used for performing the session pre-establishment for the user with the small session pre-establishment weight.
In particular implementations, the server allocates a duration of the pre-established session for each period. The duration of the pre-established session may be greater than the duration of the time period, or may not be greater than the duration of the time period.
When the configured duration of the pre-established session is not greater than the duration of the time period, according to the technical scheme provided by the first embodiment, the pre-establishment of the session is preferentially performed for the user with the high pre-established session weight until all the users perform the pre-establishment of the session, or no resource is used for performing the pre-establishment of the session for the user with the low pre-established session weight;
when the duration of the configured pre-established session is longer than the duration of the time period, if no available session pre-established media resource exists, the user with the high session pre-established weight can preempt the session pre-established media resource of the user with the low session pre-established weight to perform session pre-establishment.
The following describes in detail how to perform a process of preempting the session pre-established media resource of the user with a small session pre-establishment weight when the configured duration of the pre-established session is longer than the duration of the time period through the second embodiment and the third embodiment.
In specific implementation, the default configuration can be provided with the capability of preempting and preempting the session pre-established media resources; or which user has the preemption capability and which user has the preempted capability can be configured according to the specific application; in the embodiments given below, the user has the ability to pre-establish a media resource for a session and pre-preempt the media resource.
Example two
Referring to fig. 2, fig. 2 is a schematic diagram of a session pre-establishment media resource preemption flow in the second embodiment of the present application. The method comprises the following specific steps:
Step 204, the server determines whether there is a user with a smaller session pre-establishment weight than the user currently needing session pre-establishment, if yes, step 205 is executed; otherwise, step 207 is performed.
When the user of the preempted session pre-established media resource is determined, the session pre-established media resource of the determined user is released first, and then the corresponding session pre-established media resource is distributed to the preempted user for session pre-establishment.
In the specific implementation of the application, the sizes of the session pre-established weights of the two users are compared, and the sizes of the session pre-established weights of the two users aiming at the users in the same time period are compared.
In step 207, the user with the heavy session pre-establishment weight releases the session pre-established media resources and then performs session pre-establishment for the user.
The embodiment provides a method for implementing preemption of session pre-established media resources when the session pre-established media resources are in shortage, and supports a large-weight user to preempt the media resources of a small-weight user, thereby avoiding the waste of the session pre-established media resources, improving the use efficiency of system resources and improving the system performance.
EXAMPLE III
The third embodiment provides a specific implementation process that the server preempts the session pre-established media resource of the user with small session pre-established weight and performs session pre-establishment for the user needing session pre-establishment currently.
Referring to fig. 3, fig. 3 is a schematic diagram of a session pre-establishment media resource preemption flow in a third embodiment of the present application. The method comprises the following specific steps:
The embodiment provides a method for implementing preemption of session pre-established media resources when the session pre-established media resources are in shortage, and supports a large-weight user to preempt the media resources of a small-weight user, and the given resource preemption mode can preferentially establish the session for the user with the large session pre-established weight as far as possible, and minimizes the resource preemption times, thereby avoiding the waste of the session pre-established media resources and improving the use efficiency of system resources.
Example four
A specific example is given in the present application to describe in detail the process of session pre-establishment media resource preemption.
Assuming that the time interval 1 and the time interval 2 are adjacent and the duration is one hour, the session pre-establishment duration allocated to each time interval is 1.5 hours.
The method comprises the following steps that 4 users exist, namely a user 1, a user 2, a user 3 and a user 4, wherein the user 1 determines a session pre-establishment weight value to be 4 aiming at a time interval 1 and determines a session pre-establishment weight value to be 3 aiming at a time interval 2; the user 2 determines a session pre-establishment weight value of 2 for the time interval 1 and a session pre-establishment weight value of 4 for the time interval 2; the user 3 determines a session pre-establishment weight value to be 1 for the time interval 1, and determines a session pre-establishment weight value to be 2 for the time interval 2; the session pre-establishment weight value determined by the user 4 for the time interval 1 is 3, and the session pre-establishment weight value determined for the time interval 2 is 1.
Aiming at the time interval 1, 4 users are arranged into a user 1, a user 4, a user 2 and a user 3 from large to small according to the weight;
for the period 2, 4 users are arranged as user 2, user 1, user 3 and user 4 according to the weights from large to small.
In the time period 1, session pre-establishment is preferentially performed for users with high weight, session pre-establishment is sequentially performed for the users 1, 4, 2 and 3, and if session pre-establishment media resources are only enough to perform session pre-establishment for 2 users and no user with weight less than the session pre-establishment weight of the user 2 has already performed session pre-establishment, that is, no resource capable of being preempted exists, session pre-establishment cannot be performed for the users 2 and 3.
By time period 2, a session pre-establishment is made for the user, assuming for some reason that user 1 has released the session pre-established media resources.
For the period 2, if the user with the largest session pre-establishment weight is the user 2, session pre-establishment is performed for the user 2.
And then, session pre-establishment is carried out for the user 1, but at the moment, the media resource for the user to carry out the session pre-establishment does not exist, and users with the session pre-establishment weight smaller than that of the user 1 are determined in the users (the user 2 and the user 4) carrying out the session pre-establishment, namely, the session pre-establishment media resource of the user 4 is determined to be preempted.
And finally, session pre-establishment is carried out for the user 3, but at the moment, media resources for session pre-establishment by the user do not exist, and the user with the session pre-establishment weight smaller than that of the user 3 does not exist in the users for session pre-establishment, so that the session pre-establishment is not carried out for the user 3, and naturally, the user 4 with the smaller session pre-establishment weight does not carry out the session pre-establishment weight.
Several implementations are presented herein, and specific implementations are not limited to these several implementations.
Based on the same inventive concept, the application also provides a session pre-establishment device. Referring to fig. 4, fig. 4 is a schematic structural diagram of an apparatus applied to the above technology in the embodiment of the present application. The device includes: a counting unit 401, a first determining unit 402, a second determining unit 403 and a establishing unit 404;
a counting unit 401, configured to count the emergency call times and the non-emergency call times of each user in each time period within a preset period;
a first determining unit 402 for determining typical values of the emergency call times and the non-emergency call times obtained by the counting unit 401 for each user at each time period;
a second determining unit 403, configured to determine a session pre-establishment weight of the user in the corresponding time period according to the user priority and the typical values of the emergency call times and the non-emergency call times corresponding to each time period determined by the first determining unit 402;
the establishing unit 404 preferentially allocates the session pre-establishment media resource to the user with the large session pre-establishment weight determined by the second determining unit 403 for each user in each period, and performs session pre-establishment.
Preferably, the apparatus further comprises: a configuration unit 405;
a configuration unit 405, configured to configure a corresponding session pre-establishment weight factor for a user priority; configuring corresponding session pre-establishment weight factors aiming at the typical value of the emergency call times and the typical value of the non-emergency call times; the sum of the session pre-establishment weight factor corresponding to the typical value of the emergency call times and the session pre-establishment weight factor corresponding to the typical value of the non-emergency call times is 1;
the second determining unit 403 is specifically configured to, when determining the session pre-establishment weight of the user in the corresponding time period according to the user priority and the determined typical values of the emergency call times and the non-emergency call times corresponding to each time period, respectively weigh and sum the user priority, the typical value of the emergency call times, and the typical value of the non-emergency call times by using the corresponding session pre-establishment weight factor configured by the configuring unit 405 in any time period, so as to obtain the session pre-establishment weight of the user in the corresponding time period.
Preferably, the first and second liquid crystal films are made of a polymer,
a counting unit 401, configured to obtain user call information data in each time period in a preset cycle when counting the emergency call times and non-emergency call times of each user in each time period in the preset cycle; counting the emergency call times and non-emergency call times of each user in a preset period aiming at any time interval;
the first determining unit 402 is specifically configured to determine typical values of the emergency call times and the non-emergency call times for each user in each time period according to a preset rule when determining the typical values of the emergency call times and the non-emergency call times for each time period.
Preferably, the first and second liquid crystal films are made of a polymer,
a configuration unit 405, further configured to allocate a duration of the pre-established session duration for each time period.
Preferably, the first and second liquid crystal films are made of a polymer,
a second determining unit 403, configured to perform session pre-establishment for any user when the duration of the pre-established session configured by the configuration unit 405 for any period is longer than the duration of the period, determine whether there is a user who has performed session pre-establishment if it is determined that there is no available session pre-established media resource, and if so, further determine whether there is a user whose session pre-establishment weight is smaller than that of the user who currently needs to perform session pre-establishment;
an establishing unit 404, configured to, when the second determining unit 403 determines that there is a user who has performed session pre-establishment and further determines that there is a user whose session pre-establishment weight is smaller than that of the user who currently needs to perform session pre-establishment, preempt session pre-establishment media resources of the user whose session pre-establishment weight is smaller than that of the user, and perform session pre-establishment for the user who currently needs to perform session pre-establishment; otherwise, the session pre-establishment is not performed for the user needing the session pre-establishment currently.
Preferably, the first and second liquid crystal films are made of a polymer,
when the magnitude of the pre-established weight of the two user sessions is compared, the magnitude of the pre-established weight of the user sessions of the two users in the same time period is compared.
Preferably, the first and second liquid crystal films are made of a polymer,
a second determining unit 403, configured to determine, when it is determined that there is a user with a session pre-establishment weight smaller than the current user session pre-establishment weight that needs session pre-establishment, a set of users that have already performed session pre-establishment and whose session pre-establishment weight is smaller than the current user session pre-establishment weight that needs session pre-establishment;
the establishing unit 404 is further configured to select the user with the smallest session pre-establishment weight in the set determined by the second determining unit, perform preemption on the session pre-establishment media resources, and perform session pre-establishment.
The units of the above embodiments may be integrated into one body, or may be separately deployed; may be combined into one unit or further divided into a plurality of sub-units.
In summary, the present application provides a method for dynamically managing session pre-establishment, aiming at the problem of when and according to what rules different users perform session pre-establishment in the session pre-establishment process. The invention calculates the session pre-establishment weight based on the user priority and the user time-sharing service model, dynamically manages the session pre-establishment process through the session pre-establishment weight, further realizes the session pre-establishment for the high-priority and busy-hour large-traffic user, and effectively improves the call establishment delay performance of key services and special users.
In addition, when the session pre-established media resources are in shortage, a method for realizing the preemption of the session pre-established media resources is also provided, and the high-weight user is supported to preempt the media resources of the low-weight user, so that the waste of the session pre-established media resources is avoided, the use efficiency of system resources is improved, and the system performance is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A method for session pre-establishment, the method comprising:
counting the emergency call times and the non-emergency call times of each user in each time period in a preset period, and determining typical values of the emergency call times and the non-emergency call times of each user in each time period;
determining a conversation pre-establishment weight of the user in the corresponding time period according to the user priority and the determined typical values of the emergency call times and the non-emergency call times corresponding to each time period;
preferentially distributing session pre-established media resources to the users with high session pre-established weight and performing session pre-establishment aiming at each user in each time period;
the counting of the emergency call times and the non-emergency call times of each user in each time interval in the preset period and the determining of typical values of the emergency call times and the non-emergency call times of each user in each time interval comprise:
acquiring user call information data in each time period in a preset period;
counting the emergency call times and non-emergency call times of each user in a preset period aiming at any time interval;
determining typical values of the emergency call times and the non-emergency call times of each user in each time interval according to a preset rule;
wherein, the determining the conversation pre-establishment weight of the user in the corresponding time period according to the user priority and the determined typical value of the emergency call times and the non-emergency call times corresponding to each time period comprises:
and aiming at any time period, respectively weighting the user priority, the typical value of the emergency call times and the typical value of the non-emergency call times by using corresponding session pre-establishment weight factors, and summing to obtain the session pre-establishment weight of the user in the corresponding time period.
2. The method of claim 1, further comprising:
configuring a corresponding session pre-establishment weight factor according to the user priority; configuring corresponding session pre-establishment weight factors aiming at the typical value of the emergency call times and the typical value of the non-emergency call times; wherein the sum of the session pre-establishment weighting factor corresponding to the typical value of the emergency call times and the session pre-establishment weighting factor corresponding to the typical value of the non-emergency call times is 1.
3. The method according to claim 1 or 2, characterized in that the method further comprises: the duration of the pre-established session is allocated for each period.
4. The method of claim 3, wherein when the duration of the pre-established session configured for any period of time is greater than the duration of the period of time, the method further comprises: step (ii) of
A. When any user carries out session pre-establishment, if the available session pre-established media resources do not exist, determining whether the user carrying out session pre-establishment exists or not, and if so, executing the step B; otherwise, executing step D;
B. determining whether a user with a smaller session pre-establishment weight than the user currently needing session pre-establishment exists, and if so, executing the step C; otherwise, executing step D;
C. preempting the session pre-established media resource of the user with small session pre-established weight, pre-establishing the session for the user needing session pre-establishment at present, and ending the process;
and D, not carrying out session pre-establishment for the user needing session pre-establishment currently.
5. The method of claim 4,
when the magnitude of the session pre-establishment weights of the two users is compared, the magnitude of the session pre-establishment weights of the two users for the users in the same time period is compared.
6. The method according to claim 4, wherein preempting the session pre-establishment media resource of the user with the low session pre-establishment weight to perform session pre-establishment for the user currently needing session pre-establishment comprises:
determining a set of users who have performed session pre-establishment and whose session pre-establishment weight is smaller than the current session pre-establishment weight;
and selecting the user with the minimum session pre-establishment weight in the set, preempting the media resources for session pre-establishment, and performing session pre-establishment.
7. An apparatus for pre-establishing a session, the apparatus comprising: the device comprises a statistical unit, a first determining unit, a second determining unit and an establishing unit;
the statistical unit is used for counting the emergency call times and the non-emergency call times of each user in each time interval in a preset period;
the first determining unit is used for determining typical values of the emergency call times and the non-emergency call times obtained by the statistical unit of each user in each time period;
the second determining unit is used for determining the conversation pre-establishment weight of the user in the corresponding time period according to the user priority and the typical values of the emergency call times and the non-emergency call times corresponding to each time period determined by the first determining unit;
the establishing unit preferentially distributes session pre-established media resources to the users with the large session pre-established weight determined by the second determining unit aiming at each user in each time period, and performs session pre-establishment;
the second determining unit is specifically configured to, when determining the session pre-establishment weight of the user in the corresponding time period according to the user priority and the determined typical values of the emergency call times and the non-emergency call times corresponding to each time period, respectively weight and sum the user priority, the typical value of the emergency call times, and the typical value of the non-emergency call times by using the corresponding session pre-establishment weight factors configured by the configuration unit for any time period, so as to obtain the session pre-establishment weight of the user in the corresponding time period;
the statistical unit is used for acquiring user call information data in each time interval in a preset cycle when the emergency call times and the non-emergency call times of each user in each time interval in the preset cycle are counted; counting the emergency call times and non-emergency call times of each user in a preset period aiming at any time interval;
the first determining unit is specifically configured to determine typical values of the emergency call times and the non-emergency call times of each user in each time period according to a preset rule when determining the typical values of the emergency call times and the non-emergency call times of each user in each time period.
8. The apparatus of claim 7, further comprising: a configuration unit;
the configuration unit is used for configuring corresponding session pre-establishment weight factors according to the user priority; configuring corresponding session pre-establishment weight factors aiming at the typical value of the emergency call times and the typical value of the non-emergency call times; wherein the sum of the session pre-establishment weighting factor corresponding to the typical value of the emergency call times and the session pre-establishment weighting factor corresponding to the typical value of the non-emergency call times is 1.
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