CN108093318B - Method for authenticating License of PON system and OLT - Google Patents
Method for authenticating License of PON system and OLT Download PDFInfo
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- CN108093318B CN108093318B CN201711481420.6A CN201711481420A CN108093318B CN 108093318 B CN108093318 B CN 108093318B CN 201711481420 A CN201711481420 A CN 201711481420A CN 108093318 B CN108093318 B CN 108093318B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3297—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving time stamps, e.g. generation of time stamps
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
Abstract
The invention discloses a License authentication method of a PON system and an OLT, wherein the method comprises the following steps: introducing the encrypted ONU authorization management information file License into OLT equipment, decrypting and activating the License on the OLT equipment, and when the ONU is online to request resources, the OLT equipment determines whether the ONU is allowed to register and authorize or not according to the number of the ONU resources authenticated in the License; and simultaneously, after the running time of the OLT equipment reaches License authentication time, disconnecting the network service without influencing the use of the equipment management surface, prompting the user to renew the fee, and after the user renews the fee and activates a new License, restoring the network service by the OLT. The OLT includes a controller and a timer. The invention can configure and adjust the lifecycle of License according to the credit granted by a specific product customer, improves the flexibility of License control, and simultaneously improves the controllability of the product under the condition of not influencing the use of the user by playing the role of reducing the capital risk on the operation market of the OLT product through the aging control of the product network service.
Description
Technical Field
The invention relates to the field of Ethernet Passive Optical Networks (PON), in particular to a method for License authentication of a PON system and an OLT.
Background
The PON (Ethernet Passive Optical Network) system is composed of an OLT (Optical Line Terminal), an ODN (Optical Distribution Network) and an ONU (Optical Network Unit). An OLT device has a plurality of PON ports, and a certain number of ONUs can be connected to each PON port.
In the existing practical application, especially in the equipment operation market, in order to reduce the product investment risk and improve the product controllability, the life cycle of the authentication of the OLT needs to be flexibly configured and adjusted according to the condition of the credit granting of the customer, and if the customer is in charge or under the condition of insufficient expense, the network service data plane of the OLT is disconnected; if part of the fee is paid, a limited License can be authenticated and provided for the customer to activate, the customer normally uses the service after activation, and the user is prompted to renew the fee after the limitation is reached; if the payment is completed, the authentication of the OLT can be released completely, and no limitation is made, so that the win-win situation of the customer manufacturer is achieved.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method for authenticating License in a PON system and an OLT, which improve flexibility of License control, and simultaneously, perform a function of reducing capital risk on an OLT product operation market by performing aging control on product network services, and improve controllability of products without affecting use of users.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a PON system License authentication method comprises the steps that encrypted ONU authorization management information files License are led into OLT equipment, decryption is carried out on the OLT equipment to activate the License, and when the ONU requests resources, the OLT equipment determines whether the ONU is allowed to register and authorize or not through the number of the ONU resources authenticated in the License; and meanwhile, after the running time of the OLT equipment reaches License authentication time, disconnecting the data plane network service without influencing the use of the equipment management plane, prompting the user to renew the fee, and after the user renews the fee and activates a new License, recovering the network service by the OLT equipment.
According to the scheme, the content of the License authentication and authorization information comprises an in-band MAC of the OLT equipment, a product serial number SN, License generation time, License authentication allowed time limit length and the maximum number of License authentication allowed ONUs.
According to the scheme, the License is activated and then takes effect in the OLT equipment, and is activated only by the only OLT equipment and is activated only once successfully.
According to the scheme, the License is composed of a plaintext, a ciphertext and a feature code, the activation is possible to be successful only if the in-band MAC of the OLT device and the product serial number SN are consistent with the License record, the License is modified randomly, and the License cannot be activated successfully.
According to the scheme, the allowed time limit length of License authentication is divided into an unlimited (permanently effective) mode and a limited (non-permanently effective) mode, under the unlimited condition, the life cycle of License authentication is unlimited, and the authentication time limit of equipment never fails; under the limited condition, the License authentication life cycle calculation mode is as follows: and calculating the License failure time by taking the time input by the user when the License is activated as the License starting time and adding the License authentication allowable time limit length and the current residual time length allowed by the OLT system, so as to obtain the whole authentication life cycle.
According to the scheme, for the OLT with the License time failure, only the data plane service channel of the equipment is disconnected, the management plane of the equipment is not affected, the new ONU still applies for registration authorization, the equipment restores the data plane service channel unless the new License is activated, the channel is always disconnected, and periodic alarm prompts are given to the user; and for the OLT which does not lose the License time, activating a new License, and accumulating the License authentication allowed time limit length on the basis of the remaining allowed operation time of the current OLT system by the final allowed time limit length (namely the effective time length of the OLT equipment).
According to the scheme, the precision of the License authentication allowed time limit length is days.
According to the scheme, the numerical range of the maximum number of the License authentication allowed authorized ONUs comprises an unlimited mode and a limited mode, under the unlimited condition, the maximum number of the License authentication allowed ONUs does not influence the authorization authorized ONUs of the OLT equipment, and the authorization number is mainly related to PON board hardware of the License authentication equipment; under the limited condition, when the maximum number of authorized ONUs allowed by License authentication is ONU registration authorization, a comparison decision is made to determine whether the ONU is allowed to be authorized or not, the resource is not released after the ONU is replaced or replaced, and the number of the authorized ONUs authorized by License authentication is reduced only after the ONU is unregistered and authorized.
The invention also provides an OLT (optical line terminal) for the method for authenticating the License of the PON system, wherein the OLT comprises a controller and a timer;
the controller is configured to: receiving a License file generated by a License generation tool, and analyzing the License file to obtain a License feature code and a License ciphertext; inquiring the number of the ONU with the maximum authorization allowed by the License authentication, judging whether the number of the ONU hung under the PON port reaches the number of the ONU with the maximum authorization allowed by the License authentication, and if so, not allowing the ONU applying for registration authorization to register authorization; judging whether the running time of the equipment reaches the License authentication allowed time limit length or not, and if so, disconnecting the data plane service of the PON plate;
the timer is used for realizing a periodic scanning time mechanism, refreshing the service time of the equipment and determining the failure time of the equipment.
According to the scheme, the timer runs on the controller periodically, scans every 30 seconds and acquires the current system time.
The invention has the following beneficial effects: the method for authenticating the License of the PON system and the OLT can realize flexible authentication and authorization for each specific OLT, configure and adjust the life cycle of the License according to the payment and credit conditions of a user, improve the flexibility of License control, reduce the product investment risk, do not need manpower to track and supervise the expense condition of the product, and save the labor cost.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a flow chart of a time mechanism based on License authentication of a PON system according to an embodiment of the present invention;
fig. 2 is a flowchart of License activation based on the PON system according to the embodiment of the present invention;
fig. 3 is a flowchart of an ONU number mechanism based on License authentication of a PON system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the connection between the OLT and the ONU based on the PON system according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides a method for License authentication of a PON system, which comprises the following steps: introducing the encrypted ONU authorization management information file License into OLT equipment, decrypting and activating the License on the OLT equipment, and when the ONU is online to request resources, the OLT equipment determines whether the ONU is allowed to register and authorize or not according to the number of the ONU resources authenticated in the License; and meanwhile, after the running time of the OLT equipment reaches License authentication time, disconnecting the network service without influencing the use of the equipment management surface, prompting the user to renew the fee, and after the user renews the fee and activates a new License, recovering the network service by the OLT equipment.
The embodiment of the invention also provides an OLT, which comprises a controller and a timer; the controller is used for: receiving a License file generated by a License generation tool, and analyzing the License file to obtain a License feature code and a License ciphertext; inquiring the number of the ONU with the maximum authorization allowed by the License authentication, judging whether the number of the ONU hung under the PON port reaches the number of the ONU with the maximum authorization allowed by the License authentication, and if so, not allowing the ONU applying for registration authorization to register authorization; judging whether the running time of the equipment reaches the License authentication allowed time limit length or not, and if so, disconnecting the data plane service of the PON plate; the timer is used for realizing a periodic scanning time mechanism, refreshing the service time of the equipment and determining the failure time of the equipment.
The following provides a complete License authentication control flow after the invention is applied, which comprises License generation, License activation, License change, and License authentication time mechanism and quantity mechanism in the device operation process.
License generation
License is unique, a specific License is generated according to specific equipment configuration, and a generated index consists of an in-band MAC address and a product Serial Number (SN) of OLT equipment, wherein the configuration of the in-band MAC address and the SN is unique and can not be modified for each OLT equipment.
And filling the information into a License generation tool, filling the allowable operation time length and the maximum allowed ONU number of the equipment by a manufacturer according to the credit granting expense condition of the customer, and encrypting to obtain a License file, wherein the License is composed of a plaintext, a ciphertext and a feature code, and the License can not be successfully activated by randomly modifying the License.
The allowed operation time limit length in the License authentication and authorization information is divided into permanent validity and non-permanent, and the non-permanent needs to be filled in the specific time length allowed for the equipment authentication to operate when the tool is generated.
Maximum authorized ONU number Onu in License authentication and authorization informationmaxThe method is divided into an unlimited mode and a limited mode, wherein the maximum number of ONU (optical network unit) which can be registered and authorized by the unlimited OLT is determined by PON (passive optical network) board hardware; the maximum number of the ONU which can be authorized by the limited OLT and is allowed to be authorized by the PON board hardware and License authentication OnumaxAnd jointly determining, and taking the minimum value of the two to be effective.
II, License activation
The License is effective on the OLT only after being activated, the current time input by a user is taken as the starting time of the License in the activation period, the starting time plus the remaining duration of the License is the failure time of the License, the initial remaining duration is the allowable device running duration + the current system remaining available running time specified in the License, and the remaining duration is decreased for the non-permanent License device every day along with the running of the system.
The following is mainly described further for the activation procedure:
step S110: downloading a License file generated by a License generation tool to a controller;
step S120: the controller analyzes the License file to obtain a License feature code and a License ciphertext;
step S130: checking whether the License ciphertext is correct or not according to the License feature code;
if yes, executing step S140, and decrypting the License ciphertext to obtain a License plaintext; if not, ending;
step S150: analyzing License plaintext to obtain License authentication and authorization information which comprises in-band MAC, a product serial number SN, License generation time, License authentication allowed time limit length and the maximum number of License authentication allowed ONU;
step S160: comparing whether the in-band MAC and the product serial number SN of the controller and the License are completely consistent (namely judging whether the License is matched with the controller of the OLT equipment);
if yes, executing step S170, reading the feature code from the nonvolatile memory, and comparing the feature code with the feature code of the License to judge whether the License is activated; if not, ending;
if not, executing step S180, triggering an interactive interface to prompt a user to input an activation parameter, wherein the parameter is mainly current time which is used as License starting time and current controller system time; if yes, ending;
step S190: reading the remaining time length allowed to run by the current OLT system from a nonvolatile memory, and accumulating the remaining time length allowed to run by the current OLT system and the License authentication allowed time limit length to obtain the final allowed time limit length;
step S200: writing the final License authentication and authorization information into a memory database and a nonvolatile memory, wherein the content comprises License starting time, final allowed time limit length, the maximum number of License authentication allowed authorization ONUs, the remaining allowable running time of the system and License feature codes;
step S210: and setting License starting time as the current time of the system, and opening the PON board network data plane service.
After the device activates License, it is restarted after a period of power off, which is also counted in the time of use.
Third, License change
License files are not modifiable, and the same License file can only be successfully activated once. The License authentication time limit of the current OLT equipment has the residual condition, another new License is allowed to be activated, and the effective time length is accumulated, so that the time length of using equipment by a client is not influenced, and the benefit of the client is ensured.
Fourthly, License authenticated time mechanism scanning
The timer realizes a periodic scanning time mechanism, refreshes the service duration of the device and determines the failure time of the device, the scanning mechanism is shown in fig. 2, the scanning time mechanism of the embodiment mainly aims at the non-permanent License authentication device, and for the permanent authentication device, the function of the device is completely opened, and the network service can never be disconnected due to authentication:
step S310: starting a License authentication message processing task;
step S320: creating and starting a License scanning timer, periodically scanning a task, scanning once every 30 seconds (frequency is 30s), acquiring current system time, and sending the current system time to an authentication processing module in a controller through a message to perform an authentication processing task;
step S330: an authentication processing module within the controller determines whether there is a message in the message queue,
if yes, go to step S340, scan times Timect to perform Timect + +; if not, returning to the step S330;
step S350: acquiring system time from a received message;
step S360: acquiring License starting time and final allowable time limit length written in the License activation process from a nonvolatile memory;
step S370: calculating and obtaining system use time, namely system time-License starting time, and allowing the system to operate for the remaining time, namely final allowed time limit length-use time; judging whether the remaining operation time allowed by the system is less than 30 days;
if yes, executing step S380, and if the remaining operation time allowed by the system is 0, disconnecting the PON board network data plane service; if not, directly executing the step S390;
step S390: judging whether the scanning time Timecnt is larger than or equal to timeout 2880(timeout is one day length/scanning period is 24 × 3600/30 is 2880);
if the value is less than 2880, executing the step S400 and processing the next scanning period message task; otherwise, executing step S410, updating the remaining allowable operating time of the system in the memory database and the nonvolatile memory; step S420: and (4) warning to prompt the user that License authentication is about to expire, and asking for a renewal charge to apply for new License re-authentication.
Fifth, License authentication quantity mechanism
After License authentication is completed, in the operation process of the OLT, a new ONU is powered on, registration authorization is applied to the controller, the controller judges that the number of the ONUs reaches the maximum number at the moment by inquiring the maximum number of the ONUs allowed to be authorized by the License authentication, and if the number of the ONUs reaches the maximum number, the ONU is notified not to be allowed to be registered and authorized.
The following description is mainly directed to the License-restricted authentication device, and as shown in fig. 3, the ONU number resource capable of allowing registration authorization is mainly related to the PON board hardware for the License-restricted authentication device.
Step S510: the ONU is powered on and starts to initiate registration authorization to the controller;
step S520: the controller inquires a legal table and judges whether the ONU is already in the legal table or not;
if not, the result shows that the ONU is a new ONU registration authorization, step S530 is executed to query the memory database, and obtain the current total number num0 of the ONUs registered and authorized and the maximum number Onu of ONU authorization allowed by License authenticationmax(ii) a If so, allowing the ONU to register authorization;
step S540: judging whether the current registered authorization number num0 is larger than the allowed maximum number OnumaxSmall;
if not, executing step S550, failing to register and authorize through the ONU, and giving an alarm to prompt the user that the number of registered and authorized ONUs reaches the maximum number, if the License which requires renewal charge application needs to be expanded; if so, allowing the ONU to register authorization.
The ONU which is registered with the authority is still in the legal table of the controller after powering down, and the ONU is always in the legal table unless being unbound.
The embodiment of the invention discloses a License authentication method of a PON system, which is mainly used for an application system shown in figure 4. The application system comprises local side OLT equipment and terminal ONU equipment, wherein the terminal ONU equipment comprises ONU equipment in three states of Online, Offline and Poweroff.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
1. A method for License authentication of a PON system is characterized by comprising the following steps: generating an ONU authorization management information file License by a License generation tool, wherein the content of License authentication authorization information comprises an in-band MAC of OLT equipment, a product serial number SN, License generation time, License authentication allowed time limit length and the maximum number of License authentication allowed ONUs; introducing the encrypted ONU authorization management information file License into OLT equipment, decrypting and activating the License on the OLT equipment, and when the ONU is on-line and requests resources, the OLT equipment determines whether the ONU is allowed to register and authorize or not according to the maximum number of authorized ONUs authenticated in the License; and meanwhile, after the running time of the OLT equipment reaches License authentication time, disconnecting the network service without influencing the use of the equipment management surface, prompting the user to renew the fee, and after the user renews the fee and activates a new License, recovering the network service by the OLT equipment.
2. The method of claim 1, wherein License is activated and then validated at the OLT device, activated only by the unique OLT device, and activated only once.
3. The method of claim 1, wherein License is composed of plaintext, ciphertext, and feature code, and the License is activated successfully only if the in-band MAC of the OLT device and the SN of the product serial number are consistent with the License record, and the License cannot be activated successfully if the License is modified arbitrarily.
4. The method for License authentication of a PON system according to claim 1, wherein the License authentication allows a time limit length to be divided into an unlimited time limit and a limited time limit, and in the unlimited time limit, a life cycle of the License authentication is unlimited and an authentication time limit of the device never fails; under the limited condition, the License authentication life cycle calculation mode is as follows: and calculating the License failure time by taking the time input by the user when the License is activated as the License starting time and adding the License authentication allowable time limit length and the current residual time length allowed by the OLT system, so as to obtain the whole authentication life cycle.
5. The method of claim 4, wherein for OLT that has failed in License time, only the data plane service channel of the device is disconnected, without affecting the management plane of the device, the new ONU still applies for registration authorization, unless the new License is activated, the device recovers the data plane service channel, the channel will be disconnected all the time, and the periodic alarm prompts the user; and for the OLT which does not lose the License time, activating a new License, and accumulating the License authentication allowed time limit length on the basis of the remaining allowed operation time length of the current OLT system by the final allowed time limit length.
6. A method of License authentication in a PON system according to claim 4 or 5, wherein the License authentication allows the accuracy of the time limit length to be days.
7. The method for License authentication of a PON system according to claim 1, wherein the range of the maximum number of authorized ONUs allowed by License authentication includes two types of unlimited and limited, in which, under the unlimited condition, the maximum number of authorized ONUs allowed by License authentication does not affect the authorized ONUs of the OLT device, and the number of authorized ONUs is mainly related to PON board hardware of the License authentication device; under the limited condition, when the maximum number of authorized ONUs allowed by License authentication is ONU registration authorization, a comparison decision is made to determine whether the ONU is allowed to be authorized or not, the resource is not released after the ONU is replaced or replaced, and the number of the authorized ONUs authorized by License authentication is reduced only after the ONU is unregistered and authorized.
8. An OLT for use in the method for License authentication of a PON system according to any one of claims 1 to 7, wherein the OLT comprises a controller and a timer;
the controller is configured to: receiving a License file generated by a License generation tool, and analyzing the License file to obtain a License feature code and a License ciphertext; inquiring the number of the ONU with the maximum authorization allowed by the License authentication, judging whether the number of the ONU hung under the PON port reaches the number of the ONU with the maximum authorization allowed by the License authentication, and if so, not allowing the ONU applying for registration authorization to register authorization; judging whether the running time of the equipment reaches the License authentication allowed time limit length or not, and if so, disconnecting the data plane service of the PON plate;
the timer is used for realizing a periodic scanning time mechanism, refreshing the service time of the equipment and determining the failure time of the equipment.
9. The OLT of claim 8, wherein the timer runs periodically on the controller, scans every 30 seconds, and obtains a current system time.
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| CN108964752A (en) * | 2018-07-13 | 2018-12-07 | 中天宽带技术有限公司 | A kind of passive optical-fiber network terminal certificate authentication system and method |
| CN110765149B (en) * | 2019-10-30 | 2023-04-28 | 南宁市指搜信息技术有限公司 | Intelligent device full life cycle monitoring query and user identity recognition binding system |
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