CN104767765A - Method for improving on-line speed of user and access equipment for broadband to get access to server remotely - Google Patents
Method for improving on-line speed of user and access equipment for broadband to get access to server remotely Download PDFInfo
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- CN104767765A CN104767765A CN201510216542.7A CN201510216542A CN104767765A CN 104767765 A CN104767765 A CN 104767765A CN 201510216542 A CN201510216542 A CN 201510216542A CN 104767765 A CN104767765 A CN 104767765A
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Abstract
The invention discloses a method for improving on-line speed of a user and access equipment for broadband to get access to a server remotely. The method comprises the steps that BRAS access equipment applies an IP address from a DHCP server by simulating a pseudo-user in advance, and an IP address pool is formed; a dynamic host configuration protocol (DHCP) discovery message for requesting being online carrying an MAC address of a real user from the real user is received; identity authentication is conducted to the real user; if the real user passes through the identity authentication, then an unallocated IP address is selected from the IP address pool to the real user, the selected IP address is set to be in an allocated state, the corresponding relation between the MAC address of the real user and the IP address allocated to the real user is recorded, the IP address allocated to the real user is packaged in a DHCP-ACK message for being transmitted to the real user, and the real user is made to be on-line.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and the Broadband Remote Access Server access device that improve the upper linear velocity of user.
Background technology
Broadband Remote Access Server (Broadband Remote Access Server, BRAS) system has access way, effective address management function, powerful subscriber management function flexibly, and abundant business and controlling functions flexibly can be provided, for realizing broadband metropolitan area network solution.BRAS access device can as the certification of all kinds of IP-based access user, charging gateway, and the Service Control Gateway of user.
When user reaches the standard grade, need first through certification, mandate, charging (Authentication, Authorization, Accounting, AAA) server authentication, again to DHCP (DynamicHost Configuration Protocol, DHCP) server application dynamic IP addressing after authentication success.When a large number of users is reached the standard grade, each user repeats same operation, can be more time-consuming, causes user to reach the standard grade slowly.
Summary of the invention
In view of this, the present invention proposes a kind of method and the BRAS access device that improve the upper linear velocity of user, efficiently solve a large number of users in prior art and reach the standard grade and apply for that user that dynamic IP addressing causes reaches the standard grade slow problem successively.
The technical scheme that the present invention proposes is:
Improve a method for the upper linear velocity of user, the method comprises:
Broadband Remote Access Server BRAS access device by simulating pseudo-user to Dynamic Host Configuration Protocol server application IP address, forms IP address pool in advance;
The dynamic host configuration protocol DHCP that the request of carrying described real user MAC Address that reception real user is sent is reached the standard grade finds message;
Authentication is carried out to described real user;
If certification is passed through, from described IP address pool, then select a unappropriated IP address assignment to described real user, the IP address of selection is set to distribution state, and record described real user MAC Address and the corresponding relation of IP address distributing to described real user, the IP address encapsulation distributing to described real user is sent to described real user in DHCP-ACK message, described real user is reached the standard grade.
A kind of Broadband Remote Access Server BRAS access device, this equipment comprises:
IP application IP addresses module, in advance by simulating pseudo-user to Dynamic Host Configuration Protocol server application IP address, forms IP address pool;
Receiver module, the dynamic host configuration protocol DHCP that the request of carrying described real user MAC Address of sending for receiving real user is reached the standard grade finds message;
Processing module, for carrying out authentication to described real user; If certification is passed through, from described IP address pool, then select a unappropriated IP address assignment to described real user, the IP address of selection is set to distribution state, and record described real user MAC Address and the corresponding relation of IP address distributing to described real user, the IP address encapsulation distributing to described real user is sent to described real user in DHCP-ACK message, described real user is reached the standard grade.
To sum up, the present invention proposes a kind of method improving the upper linear velocity of user, BRAS access device is the process decoupling zero of asking the process of the real user application IP address of reaching the standard grade and the real user that request is reached the standard grade being carried out to authentication by the method, simulate pseudo-user in advance, utilize the pseudo-user simulated to Dynamic Host Configuration Protocol server request dispatching IP address, and the IP address of acquisition is kept in IP address pool for subsequent use, after receiving the DHCP message that real user request reaches the standard grade, BRAS access device carries out authentication to it, if certification is passed through, then select a unappropriated IP address assignment to this real user in direct secondary IP address pond, it is made successfully to reach the standard grade, so greatly save the time that user reaches the standard grade, improve the upper linear velocity of user.
Accompanying drawing explanation
Fig. 1 is the networking diagram of technical solution of the present invention;
Fig. 2 is the flow chart of technical solution of the present invention;
Fig. 3 is the flow chart of embodiment of the method;
Fig. 4 is the BRAS access device structure chart of the embodiment of the present invention.
Embodiment
After in prior art, BRAS access device receives the request of reaching the standard grade of real user, in strict accordance with it is carried out authentication success after just to the execution step of Dynamic Host Configuration Protocol server request dynamic IP address, when a large number of users is reached the standard grade simultaneously, BRAS access device this processing mode existing because cause inefficiency to Dynamic Host Configuration Protocol server request dispatching dynamic IP addressing successively, can make real user reach the standard grade and slows.
For solving the problems of the technologies described above, the present invention proposes a kind of method improving the upper linear velocity of user, and the technical scheme of the embodiment of the present invention is:
Fig. 1 is the networking structure figure of technical solution of the present invention application, as shown in Figure 1, aaa server carries out certification for the identity of the user that reaches the standard grade to request, Dynamic Host Configuration Protocol server is used for user's monthly dynamics IP address of reaching the standard grade to request, and BRAS access device is the middle bridge of connection user A and aaa server, Dynamic Host Configuration Protocol server.As shown in Figure 2, the method for the upper linear velocity of a kind of user of raising of the present invention is applied on BRAS access device, and BRAS access device performs following steps:
Step 201:BRAS access device by simulating pseudo-user to Dynamic Host Configuration Protocol server application IP address, forms IP address pool in advance.
Wherein, pseudo-user is BRAS access device when not receiving DHCP that real user request reaches the standard grade and finding message, the user initiatively simulated, namely pseudo-user be not in networking necessary being and ask the user that reaches the standard grade.
The DHCP that the request of carrying the MAC Address of user A that step 202:BRAS access device reception user A sends is reached the standard grade finds message.
Step 203:BRAS access device carries out authentication to user A.
In this step, BRAS access device carries out authentication by aaa server to user A, and idiographic flow is same as the prior art, does not repeat them here.
Step 204: if certification is passed through, select a unappropriated IP address assignment to user A in BRAS access device secondary IP address pond, the IP address of selection is set to distribution state, and the MAC Address of recording user A and the corresponding relation of IP address distributing to user A, the IP address encapsulation distributing to user A is sent to user A in DHCP-ACK message, user A is reached the standard grade
After user A rolls off the production line, the IP address distributing to user A in IP address pool is set to unallocated state by BRAS access device, and the MAC Address of deleting user A and the corresponding relation of IP address distributing to user A.
Wherein, BRAS access device by the pseudo-user of simulation to the method for Dynamic Host Configuration Protocol server application IP address is in advance:
BRAS access device simulates the MAC Address of pseudo-user, the MAC Address of pseudo-user is carried on pseudo-DHCP and finds to be broadcast to each Dynamic Host Configuration Protocol server in message;
The Dynamic Host Configuration Protocol server received in each Dynamic Host Configuration Protocol server finds according to the pseudo-DHCP received the DHCP-OFFER message that message returns;
Send DHCP request message to the Dynamic Host Configuration Protocol server sending DHCP-OFFER message, ask the Dynamic Host Configuration Protocol server of this transmission DHCP-OFFER message to be pseudo-user's distributing IP address;
The DHCP-ACK message that the Dynamic Host Configuration Protocol server receiving above-mentioned transmission DHCP-OFFER message returns, this DHCP-ACK message carries the IP address information distributing to pseudo-user;
Resolve DHCP-ACK message, obtain the IP address distributing to pseudo-user, preserve the corresponding relation of the MAC Address of resolving IP address and the pseudo-user obtained.
Wherein, Dynamic Host Configuration Protocol server in networking can be the Dynamic Host Configuration Protocol server group existed with active and standby form, therefore pseudo-DHCP is found that message broadcasting is to each Dynamic Host Configuration Protocol server by BRAS access device, but only has a Dynamic Host Configuration Protocol server to respond, send DHCP-OFFER message to BRAS access device; When only there is a Dynamic Host Configuration Protocol server in networking, then this Dynamic Host Configuration Protocol server receives after DHCP finds message and replys DHCP-OFFER message to BRAS access device.
Preferably, BRAS access device is simulated the method for the MAC Address of pseudo-user and is:
BRAS access device forms reserved MAC Address pond from the MAC Address distributing to reserved predetermined number self MAC Address section, from reserved MAC Address pond, select arbitrary unappropriated MAC Address as the MAC Address of pseudo-user, and the MAC Address of selection is labeled as takies.
Further, IP address pool can preset a unappropriated IP number of addresses.Time initial, BRAS access device is according to the IP address of the pre-first to file equal number of unappropriated IP number of addresses preset, along with real user request is reached the standard grade, BRAS selects unappropriated IP address in the real user secondary IP address pond passed through of certification, and the IP address dispensed is set to distribution state, when IP number of addresses unappropriated in IP address pool is less than default threshold value, BRAS access device continues the pseudo-user of simulation, and the pseudo-user's request dispatching IP address for simulating, until the unappropriated IP number of addresses in IP address pool reaches preset value.All the time the unappropriated IP address of some is there is, in order to tackle IP address assignment demand when unexpected a large number of users is reached the standard grade simultaneously in such guarantee IP address pool.
Because Dynamic Host Configuration Protocol server is that the IP address that the user asking to reach the standard grade distributes is not permanently effective, but have certain lease time limit, therefore further, after BRAS access device parses the IP address distributing to pseudo-user, can also arrange lease timer for this IP address, the duration of lease timer is less than the lease time limit of IP address;
If the lease timer expiry of IP address, BRAS access device sends to the Dynamic Host Configuration Protocol server distributing this IP address the DHCP request message carrying described pseudo-user's MAC address, IP address requesting is re-rented, if receive the DHCP-ACK message that Dynamic Host Configuration Protocol server returns, then after the expiry of tenancy of this IP address, reset lease timer; If receive the DHCP-NAK message that Dynamic Host Configuration Protocol server returns, then after the expiry of tenancy of this IP address, delete the corresponding relation of this IP address and pseudo-user's MAC address and the corresponding relation of this IP address and real user MAC Address.
Below in conjunction with specific embodiment, the method that above-mentioned raising user reaches the standard grade is described in detail.
IP (IP over Ethernet, IPoE) access way based on ethernet link is a kind of mode of common access BRAS access device, and the present embodiment is reached the standard grade for IPoE user and to be described in detail to technical solution of the present invention.Still adopt the networking diagram shown in Fig. 1, Fig. 3 is the flow chart of the present embodiment, as shown in Figure 3, comprises the following steps:
Step 301:BRAS access device receives the DHCP discovery message that user A sends.
Step 302:BRAS access device finds to insert Option82 option in message at DHCP, finds that message creates an IPoE session, and send authentication request packet to aaa server according to this DHCP.
In this step, BRAS access device carries the information of user A to the authentication request packet that aaa server sends, as the MAC Address etc. of Client ID option, user A.
Step 303:BRAS access device receives the certification that aaa server returns and accepts message, and this certification accepts message and carries authorization message.
Step 304:BRAS access device accepts the authentication and authorization result of Receive message user A according to certification, and the IPoE session upgrading user A is that state is passed through in certification.
If what in step 303, aaa server returned is certification refusal message, then in this step, the IPoE session updates of user A is authentification failure state by BRAS access device, and namely user A reaches the standard grade unsuccessfully.
Step 305:BRAS access device selects a unappropriated IP address as the IP address of user A from the IP address pool of self, and this IP address is set to distribution state.
Suppose that the IP address pool that BRAS access device is created by the mode simulating pseudo-user is in advance as shown in table 1, BRAS access device selects IP-2 as the IP address of user A from unappropriated IP address, after this state of IP-2 is set to distribute.
Table 1
| IP address | Dynamic Host Configuration Protocol server | IP address state |
| IP-1 | DHCP 1 | Unallocated |
| IP-2 | DHCP 1 | Unallocated |
| IP-4 | DHCP 1 | Unallocated |
| IP-7 | DHCP 2 | Distribute |
IP-2 is encapsulated in DHCP-ACK message and sends to user A by step 306:BRAS access device, and sends charging and start message to aaa server, starts user A charging.
More than for application technical solution of the present invention carries out the handling process that user reaches the standard grade, as can be seen from the present embodiment, after the authentication of BRAS access device acquisition aaa server accepts message, not send DHCP to Dynamic Host Configuration Protocol server again and find that message carries out IP Address requests, but from the IP address pool of self preserving, directly select a unappropriated IP address assignment to user A, and the IP address in IP address pool is that BRAS access device is in advance by simulating the mode of pseudo-user to Dynamic Host Configuration Protocol server request also preservation, like this by the process of IP address requesting with to after the process decoupling zero of authenticating user identification, greatly save user to reach the standard grade required time, improve the speed that user reaches the standard grade.
For said method, the present invention also discloses a kind of BRAS access device, and Fig. 4 is the structure chart of BRAS access device of the present invention, and as shown in Figure 4, this equipment comprises:
IP application IP addresses module 410, in advance by simulating pseudo-user to Dynamic Host Configuration Protocol server application IP address, forms IP address pool;
Processing module 420, the dynamic host configuration protocol DHCP that the request of carrying described real user MAC Address of sending for receiving real user is reached the standard grade finds message; Also for carrying out authentication to described real user; If certification is passed through, from described IP address pool, then select a unappropriated IP address assignment to described real user, the IP address of selection is set to distribution state, and record described real user MAC Address and the corresponding relation of IP address distributing to described real user, the IP address encapsulation distributing to described real user is sent to described real user in DHCP-ACK message, described real user is reached the standard grade.
IP application IP addresses module 410 also comprises transmission submodule 411, receives submodule 412 and analyzing sub-module 413,
Send submodule 411 for, simulate the MAC Address of pseudo-user, the MAC Address of described pseudo-user be carried on pseudo-DHCP and find to be broadcast to each Dynamic Host Configuration Protocol server in message;
Receive submodule 412 for, receive the DHCP-OFFER message that a Dynamic Host Configuration Protocol server in described each Dynamic Host Configuration Protocol server returns according to the described pseudo-DHCP discovery message received;
Send submodule 411 also for, send DHCP request message to the Dynamic Host Configuration Protocol server sending described DHCP-OFFER message, ask the Dynamic Host Configuration Protocol server of described transmission described DHCP-OFFER message to be described pseudo-user's distributing IP address;
Receive submodule 412 also for, the DHCP-ACK message that the Dynamic Host Configuration Protocol server receiving the described DHCP-OFFER message of described transmission returns, described DHCP-ACK message carries the IP address information distributing to described pseudo-user;
Analyzing sub-module 413 for, resolve described DHCP-ACK message, obtain and distribute to the IP address of described pseudo-user, preserve the corresponding relation of the MAC Address of resolving IP address and the described pseudo-user obtained.
Send submodule 411 to be further used for:
Form reserved MAC Address pond from the MAC Address distributing to reserved predetermined number self MAC Address section, from described reserved MAC Address pond, select arbitrary unappropriated MAC Address as the MAC Address of pseudo-user, and the MAC Address of selection is labeled as takies.
After analyzing sub-module 413 parses the IP address distributing to described pseudo-user, processing module 420 is further used for, and for described IP address arranges lease timer, the duration of described lease timer is less than the lease time limit of described IP address;
If the lease timer expiry of IP address, the DHCP request message carrying described pseudo-user's MAC address is sent to the Dynamic Host Configuration Protocol server distributing described IP address, IP address requesting is re-rented, if receive the DHCP-ACK message that described Dynamic Host Configuration Protocol server returns, then after the expiry of tenancy of described IP address, reset lease timer; If receive the DHCP-NAK message that described Dynamic Host Configuration Protocol server returns, then after the expiry of tenancy of described IP address, delete the corresponding relation of the corresponding relation of described IP address and pseudo-user's MAC address, described IP address and real user MAC Address.
Processing module 420 also for, after described real user rolls off the production line, the IP address distributing to the real user rolled off the production line in described IP address pool is set to unallocated state, and the real user MAC Address that rolls off the production line described in deleting with distribute to described in the corresponding relation of the IP address of real user that rolls off the production line.
IP application IP addresses module 410 is further used for, according to the IP address of the pre-first to file equal number of unappropriated IP number of addresses that described IP address pool is preset, when IP number of addresses unappropriated in described IP address pool is less than default threshold value, continue the pseudo-user of simulation, and the pseudo-user's request dispatching IP address for simulating, until the unappropriated IP number of addresses in described IP address pool reaches preset value.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (12)
1. improve a method for the upper linear velocity of user, it is characterized in that, the method comprises:
Broadband Remote Access Server BRAS access device by simulating pseudo-user to dynamic host configuration protocol DHCP server application IP address, forms IP address pool in advance;
The DHCP that the request of carrying described real user MAC Address that reception real user is sent is reached the standard grade finds message;
Authentication is carried out to described real user;
If certification is passed through, from described IP address pool, then select a unappropriated IP address assignment to described real user, the IP address of selection is set to distribution state, and record described real user MAC Address and the corresponding relation of IP address distributing to described real user, the IP address encapsulation distributing to described real user is sent to described real user in DHCP-ACK message, described real user is reached the standard grade.
2. method according to claim 1, is characterized in that, described BRAS access device by the pseudo-user of simulation to the method for Dynamic Host Configuration Protocol server application IP address is in advance:
Described BRAS access device simulates the MAC Address of pseudo-user, the MAC Address of described pseudo-user is carried on pseudo-DHCP and finds to be broadcast to each Dynamic Host Configuration Protocol server in message;
The Dynamic Host Configuration Protocol server received in described each Dynamic Host Configuration Protocol server finds according to the described pseudo-DHCP received the DHCP-OFFER message that message returns;
Send DHCP request message to the Dynamic Host Configuration Protocol server sending described DHCP-OFFER message, ask the Dynamic Host Configuration Protocol server of described transmission described DHCP-OFFER message to be described pseudo-user's distributing IP address;
The DHCP-ACK message that the Dynamic Host Configuration Protocol server receiving the described DHCP-OFFER message of described transmission returns, described DHCP-ACK message carries the IP address information distributing to described pseudo-user;
Resolve described DHCP-ACK message, obtain the IP address distributing to described pseudo-user, preserve the corresponding relation of the MAC Address of resolving IP address and the described pseudo-user obtained.
3. method according to claim 2, is characterized in that, the method that described BRAS access device simulates the MAC Address of pseudo-user is:
Described BRAS access device forms reserved MAC Address pond from the MAC Address distributing to reserved predetermined number self MAC Address section, from described reserved MAC Address pond, select arbitrary unappropriated MAC Address as the MAC Address of pseudo-user, and the MAC Address of selection is labeled as takies.
4. method according to claim 2, is characterized in that, the method comprises further:
After described BRAS access device parses the IP address distributing to described pseudo-user, for described IP address arranges lease timer, the duration of described lease timer is less than the lease time limit of described IP address;
If the lease timer expiry of IP address, described BRAS access device sends to the Dynamic Host Configuration Protocol server distributing described IP address the DHCP request message carrying described pseudo-user's MAC address, IP address requesting is re-rented, if receive the DHCP-ACK message that described Dynamic Host Configuration Protocol server returns, then after the expiry of tenancy of described IP address, reset lease timer; If receive the DHCP-NAK message that described Dynamic Host Configuration Protocol server returns, then after the expiry of tenancy of described IP address, delete the corresponding relation of the corresponding relation of described IP address and pseudo-user's MAC address, described IP address and real user MAC Address.
5. method according to claim 1, it is characterized in that, after described real user rolls off the production line, the IP address distributing to the real user rolled off the production line in described IP address pool is set to unallocated state by described BRAS access device, and the real user MAC Address that rolls off the production line described in deleting with distribute to described in the corresponding relation of the IP address of real user that rolls off the production line.
6. method according to claim 1, it is characterized in that, the IP address of the pre-first to file equal number of unappropriated IP number of addresses that described BRAS access device is preset according to described IP address pool, when IP number of addresses unappropriated in described IP address pool is less than default threshold value, described BRAS access device continues the pseudo-user of simulation, and the pseudo-user's request dispatching IP address for simulating, until the unappropriated IP number of addresses in described IP address pool reaches preset value.
7. a Broadband Remote Access Server BRAS access device, is characterized in that, this equipment comprises:
IP application IP addresses module, in advance by simulating pseudo-user to Dynamic Host Configuration Protocol server application IP address, forms IP address pool;
Processing module, the dynamic host configuration protocol DHCP that the request of carrying described real user MAC Address of sending for receiving real user is reached the standard grade finds message; Also for carrying out authentication to described real user, if certification is passed through, from described IP address pool, then select a unappropriated IP address assignment to described real user, the IP address of selection is set to distribution state, and record described real user MAC Address and the corresponding relation of IP address distributing to described real user, the IP address encapsulation distributing to described real user is sent to described real user in DHCP-ACK message, described real user is reached the standard grade.
8. equipment according to claim 7, is characterized in that, described IP application IP addresses module also comprises transmission submodule, receives submodule and analyzing sub-module,
Described transmission submodule is used for, and simulates the MAC Address of pseudo-user, the MAC Address of described pseudo-user is carried on pseudo-DHCP and finds to be broadcast to each Dynamic Host Configuration Protocol server in message;
Described reception submodule is used for, and the Dynamic Host Configuration Protocol server received in described each Dynamic Host Configuration Protocol server finds according to the described pseudo-DHCP received the DHCP-OFFER message that message returns;
Described transmission submodule also for, send DHCP request message to the Dynamic Host Configuration Protocol server sending described DHCP-OFFER message, ask the Dynamic Host Configuration Protocol server of described transmission described DHCP-OFFER message to be described pseudo-user's distributing IP address;
Described reception submodule is also for, the DHCP-ACK message that the Dynamic Host Configuration Protocol server receiving the described DHCP-OFFER message of described transmission returns, and described DHCP-ACK message carries the IP address information distributing to described pseudo-user;
Described analyzing sub-module is used for, and resolves described DHCP-ACK message, obtains the IP address distributing to described pseudo-user, preserves the corresponding relation of the MAC Address of resolving IP address and the described pseudo-user obtained.
9. equipment according to claim 8, is characterized in that, described transmission submodule is further used for:
Form reserved MAC Address pond from the MAC Address distributing to reserved predetermined number self MAC Address section, from described reserved MAC Address pond, select arbitrary unappropriated MAC Address as the MAC Address of pseudo-user, and the MAC Address of selection is labeled as takies.
10. equipment according to claim 8, it is characterized in that, after described analyzing sub-module parses the IP address distributing to described pseudo-user, described processing module is further used for, for described IP address arranges lease timer, the duration of described lease timer is less than the lease time limit of described IP address;
If the lease timer expiry of IP address, the DHCP request message carrying described pseudo-user's MAC address is sent to the Dynamic Host Configuration Protocol server distributing described IP address, IP address requesting is re-rented, if receive the DHCP-ACK message that described Dynamic Host Configuration Protocol server returns, then after the expiry of tenancy of described IP address, reset lease timer; If receive the DHCP-NAK message that described Dynamic Host Configuration Protocol server returns, then after the expiry of tenancy of described IP address, delete the corresponding relation of the corresponding relation of described IP address and pseudo-user's MAC address, described IP address and real user MAC Address.
11. equipment according to claim 7, it is characterized in that, described processing module also for, after described real user rolls off the production line, the IP address distributing to the real user rolled off the production line in described IP address pool is set to unallocated state, and the real user MAC Address that rolls off the production line described in deleting with distribute to described in the corresponding relation of the IP address of real user that rolls off the production line.
12. equipment according to claim 7, it is characterized in that, described IP application IP addresses module is further used for, according to the IP address of the pre-first to file equal number of unappropriated IP number of addresses that described IP address pool is preset, when IP number of addresses unappropriated in described IP address pool is less than default threshold value, continue the pseudo-user of simulation, and the pseudo-user's request dispatching IP address for simulating, until the unappropriated IP number of addresses in described IP address pool reaches preset value.
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| CN107707435A (en) * | 2017-09-14 | 2018-02-16 | 新华三技术有限公司 | A kind of message processing method and device |
| CN107707435B (en) * | 2017-09-14 | 2020-11-20 | 新华三技术有限公司 | Message processing method and device |
| CN108391268A (en) * | 2018-02-09 | 2018-08-10 | 新华三技术有限公司 | Upper line control method and device |
| CN108391268B (en) * | 2018-02-09 | 2021-04-27 | 新华三技术有限公司 | Online control method and device |
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