CN104754410A - Safety method and system for cable modulating and demodulating device - Google Patents
Safety method and system for cable modulating and demodulating device Download PDFInfo
- Publication number
- CN104754410A CN104754410A CN201510115077.8A CN201510115077A CN104754410A CN 104754410 A CN104754410 A CN 104754410A CN 201510115077 A CN201510115077 A CN 201510115077A CN 104754410 A CN104754410 A CN 104754410A
- Authority
- CN
- China
- Prior art keywords
- cable modem
- top box
- set top
- standby system
- snmp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
Abstract
The invention relates to a safety method and system for a cable modulating and demodulating device. The method is that a backup system is stored in a set top box which can communicate with the cable modulating and demodulating device; the backup system can be downloaded from the set top box side to recover the system in case that the cable modulating and demodulating device is broken or crashed. According to the method, the Flash storage space of the cable modulating and demodulating device is not needed to be expanded; the cable modulating and demodulating device can be recovered without cost increase; the safe and normal work of the cable modulating and demodulating device can be ensured.
Description
Technical field
The present invention relates to communication field, particularly relate to a kind of cable modem safety method and system.
Background technology
At present, in Set Top Box, the Flash storage size of cable modem (Cable Modem is called for short CM) generally is 4M, and the space of 4M can only store set of system (comprising bootstrap loader and file system).Like this, because cable modem only has set of system, when system is destroyed or collapse, cable modem cannot work, and greatly affect the fail safe of cable modem.
In order to ensure the safety of cable modem, existing solution is the Flash storage size increasing cable modem, change 8M into, cable modem system is stored in the Flash of 8M together with standby system, the system safety problem of cable modem can be solved like this, but greatly can increase hardware cost, cause waste.
Summary of the invention
In view of this, be necessary the problem for above-mentioned cable modem system fail safe, a kind of cable modem safety method and system are provided.
The invention provides a kind of cable modem safety method, comprise the steps:
S10: the standby system of store electricity cable modem in Set Top Box;
S20: when cable modem system is destroyed or collapse, sent request to Set Top Box by cable modem, request Set Top Box sends standby system to cable modem;
S30: Set Top Box receives request, and standby system is sent to cable modem;
S40: cable modem is downloaded standby system and verified, if be verified, adopts standby system to carry out System recover.
In an execution mode wherein, described step S20 is specially: the bootstrap loader of cable modem is that cable modem arranges a fixed ip address, for carrying out standby system transmission with Set Top Box; Then sent the SNMP order of inquiry cable modem standby system to Set Top Box according to Simple Network Management Protocol by network interface; After set top box side receives SNMP order, check the standby system of set top box side, after inquiring standby system, send SNMP acknowledgement command to cable modem; Cable modem sends request after receiving SNMP acknowledgement command, and request Set Top Box sends standby system.
In an execution mode wherein, described step S30 is specially: after Set Top Box receives request, starts the TFTP process sending standby system, and is sent the message downloading standby system to cable modem by snmp protocol; After the bootstrap loader of cable modem receives message, start to download standby system.
In an execution mode wherein, described step S40 is specially: after cable modem bootstrap loader download standby system completes, signature check is carried out to the standby system downloaded, and the check value that signature check generates is sent to Set Top Box by snmp protocol; Contrast with default check value after Set Top Box termination check value, if consistent, by verification, Set Top Box sends the order adopting standby system to carry out System recover to cable modem by snmp protocol, if both are inconsistent, verify and do not pass through.
In an execution mode wherein, when described method is also included in cable modem system upgrading, by Set Top Box, standby system is carried out to the step of synchronous upgrading.
The present invention also provides a kind of cable modem safety system, comprises cable modem and Set Top Box, and Set Top Box stores the standby system of cable modem; When cable modem system is destroyed or collapse, cable modem sends request to Set Top Box, request Set Top Box sends standby system to cable modem, Set Top Box receives request, and standby system is sent to cable modem, cable modem is downloaded standby system and is verified, if be verified, adopts standby system to carry out System recover.
In an execution mode wherein, the bootstrap loader of cable modem is that cable modem arranges a fixed ip address for carrying out standby system transmission with Set Top Box; Then sent the SNMP order of inquiry cable modem standby system to Set Top Box according to Simple Network Management Protocol by network interface; After set top box side receives SNMP order, check the standby system of set top box side, after inquiring standby system, send SNMP acknowledgement command to cable modem; Cable modem sends request after receiving SNMP acknowledgement command, and request Set Top Box sends standby system.
In an execution mode wherein, after Set Top Box receives request, start the TFTP process sending standby system, and sent the message downloading standby system by snmp protocol to cable modem; After the bootstrap loader of cable modem receives message, start to download standby system.
In an execution mode wherein, after cable modem bootstrap loader download standby system completes, signature check is carried out to the standby system downloaded, and the check value that signature check generates is sent to Set Top Box by snmp protocol; Contrast with default check value after Set Top Box termination check value, if consistent, by verification, Set Top Box sends the order adopting standby system to carry out System recover to cable modem by snmp protocol, if both are inconsistent, verify and do not pass through.
In an execution mode wherein, when cable modem system is upgraded, Set Top Box is synchronously upgraded to standby system.
Cable modem safety method of the present invention and system, standby system is stored in and can carries out in the Set Top Box of communication with cable modem, when cable modem system is destroyed or collapse, download standby system from set top box side and carry out System recover, do not need the Flash memory space increasing cable modem, thus under the prerequisite without the need to increasing any cost, cable modem system is recovered, ensure that the safety of cable modem and normal work.
Accompanying drawing explanation
Fig. 1 is the flow chart of the cable modem safety method in an embodiment.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the flow chart of the cable modem safety method in an embodiment, and as shown in Figure 1, the method comprises the steps:
S10: the standby system of store electricity cable modem in Set Top Box.
Because cable modem is connected by network interface with Set Top Box, both can carry out communication, therefore in this embodiment, the standby system of cable modem is stored in Set Top Box, can be transmitted by both communications, and not need the Flash memory space increasing cable modem.
S20: when cable modem system is destroyed or collapse, sent request to Set Top Box by cable modem, request Set Top Box sends standby system to cable modem.
Cable modem is when starting, if system is destroyed or run quickly routed, then cannot normally start, now cable modem keeps resting in bootstrap loader, for ensureing the safety of cable modem and normal startup, in this embodiment, owing to storing standby system in Set Top Box, when cable modem system is destroyed or collapse, sent request to Set Top Box by cable modem, request Set Top Box sends standby system to cable modem, to enable cable modem recovery system.
In further execution mode, this step is specially: the bootstrap loader of cable modem is that cable modem arranges a fixed ip address, for carrying out standby system transmission with Set Top Box; Then sent the SNMP order of inquiry cable modem standby system to Set Top Box according to Simple Network Management Protocol (SNMP) by network interface; After set top box side receives SNMP order, check the standby system of set top box side, after inquiring standby system, send SNMP acknowledgement command to cable modem; Cable modem sends request after receiving SNMP acknowledgement command, and request Set Top Box sends standby system.Like this by the mode of network communication, request Set Top Box sends standby system to cable modem, to recover cable modem system.
S30: Set Top Box receives request, and standby system is sent to cable modem.
After cable modem sends request to Set Top Box, Set Top Box receives request and standby system is issued cable modem, carries out System recover.
In this embodiment, this step is specially: after Set Top Box receives request, starts TFTP (TFTP) process sending standby system, and is sent the message downloading standby system to cable modem by snmp protocol; After the bootstrap loader of cable modem receives message, start to download standby system.So just realize standby system to be transmitted by the transmission of Set Top Box to cable modem.
S40: cable modem is downloaded standby system and verified, if be verified, adopts standby system to carry out System recover.
Cable modem downloads standby system, for ensureing correctness and the fail safe of the standby system downloaded, also needing after downloading to verify, then adopting the standby system of download to carry out System recover if the verification passes.
In this embodiment, this step is specially: after cable modem bootstrap loader download standby system completes, carry out signature check, and the check value that signature check generates is sent to Set Top Box by snmp protocol to the standby system downloaded; Contrast with default check value after Set Top Box termination check value, if consistent, by verification, Set Top Box sends the order adopting standby system to carry out System recover to cable modem by snmp protocol, if both are inconsistent, verify and do not pass through.Can recover cable modem system during destroyed or collapse at cable modem system after being verified like this, thus ensure the safety of cable modem and normal work, can not cost be increased simultaneously.
In addition, when the method is also included in cable modem system upgrading, by Set Top Box, standby system is carried out to the step of synchronous upgrading, thus ensure the consistency of standby system when cable modem is upgraded.
This cable modem safety method, standby system is stored in and can carries out in the Set Top Box of communication with cable modem, when cable modem system is destroyed or collapse, download standby system from set top box side and carry out System recover, do not need the Flash memory space increasing cable modem, thus under the prerequisite without the need to increasing any cost, cable modem system is recovered, ensure that the safety of cable modem and normal work.
Meanwhile, the present invention also provides a kind of cable modem safety system.This system comprises cable modem and Set Top Box, and Set Top Box stores the standby system of cable modem; When cable modem system is destroyed or collapse, cable modem sends request to Set Top Box, request Set Top Box sends standby system to cable modem, Set Top Box receives request, and standby system is sent to cable modem, cable modem is downloaded standby system and is verified, if be verified, adopts standby system to carry out System recover.
In this embodiment, because cable modem is connected by network interface with Set Top Box, both can carry out communication, therefore the standby system of cable modem is stored in Set Top Box, can be transmitted by both communications, and not need the Flash memory space increasing cable modem.
Cable modem is when starting, if system is destroyed or run quickly routed, then cannot normally start, now cable modem keeps resting in bootstrap loader, for ensureing the safety of cable modem and normal startup, owing to storing standby system in Set Top Box, when cable modem system is destroyed or collapse, cable modem sends request to Set Top Box, request Set Top Box sends standby system to cable modem, to enable cable modem recovery system.
In further execution mode, the bootstrap loader of cable modem is that cable modem arranges a fixed ip address, for carrying out standby system transmission with Set Top Box; Then sent the SNMP order of inquiry standby system to Set Top Box according to Simple Network Management Protocol (SNMP) by network interface; After Set Top Box receives SNMP order, check the standby system of set top box side, after inquiring standby system, send SNMP acknowledgement command to cable modem; Cable modem sends request after receiving SNMP acknowledgement command, and request Set Top Box sends standby system.Like this by the mode of network communication, request Set Top Box sends standby system to cable modem, to recover cable modem system.
After cable modem sends request to Set Top Box, Set Top Box receives request and standby system is issued cable modem, carries out System recover.
In further execution mode, after Set Top Box receives request, start TFTP (TFTP) process sending standby system, and sent the message downloading standby system by snmp protocol to cable modem; After the bootstrap loader of cable modem receives message, start to download standby system.So just realize standby system to be transmitted by the transmission of Set Top Box to cable modem.
Cable modem downloads standby system, for ensureing correctness and the fail safe of the standby system downloaded, also needing after downloading to verify, then adopting the standby system of download to carry out System recover if the verification passes.
In further execution mode, after cable modem bootstrap loader download standby system completes, signature check is carried out to the standby system downloaded, and the check value that signature check generates is sent to Set Top Box by snmp protocol; Contrast with default check value after Set Top Box termination check value, if consistent, by verification, Set Top Box sends the order adopting standby system to carry out System recover to cable modem by snmp protocol, if both are inconsistent, verify and do not pass through.Can recover cable modem system during destroyed or collapse at cable modem system after being verified like this, thus ensure the safety of cable modem and normal work, can not cost be increased simultaneously.
In addition, when cable modem system is upgraded, Set Top Box is synchronously upgraded to standby system, thus ensures the consistency of standby system when cable modem is upgraded.
This cable modem safety system, standby system is stored in and can carries out in the Set Top Box of communication with cable modem, when cable modem system is destroyed or collapse, download standby system from set top box side and carry out System recover, do not need the Flash memory space increasing cable modem, thus under the prerequisite without the need to increasing any cost, cable modem system is recovered, ensure that the safety of cable modem and normal work.
Cable modem safety method of the present invention and system, standby system is stored in and can carries out in the Set Top Box of communication with cable modem, when cable modem system is destroyed or collapse, download standby system from set top box side and carry out System recover, do not need the Flash memory space increasing cable modem, thus under the prerequisite without the need to increasing any cost, cable modem system is recovered, ensure that the safety of cable modem and normal work.
These are 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 and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a cable modem safety method, is characterized in that, comprises the steps:
S10: the standby system of store electricity cable modem in Set Top Box;
S20: when cable modem system is destroyed or collapse, sent request to Set Top Box by cable modem, request Set Top Box sends standby system to cable modem;
S30: Set Top Box receives request, and standby system is sent to cable modem;
S40: cable modem is downloaded standby system and verified, if be verified, adopts standby system to carry out System recover.
2. cable modem safety method according to claim 1, it is characterized in that, described step S20 is specially: the bootstrap loader of cable modem is that cable modem arranges a fixed ip address, for carrying out standby system transmission with Set Top Box; Then sent the SNMP order of inquiry cable modem standby system to Set Top Box according to Simple Network Management Protocol by network interface; After set top box side receives SNMP order, check the standby system of set top box side, after inquiring standby system, send SNMP acknowledgement command to cable modem; Cable modem sends request after receiving SNMP acknowledgement command, and request Set Top Box sends standby system.
3. cable modem safety method according to claim 2, it is characterized in that, described step S30 is specially: after Set Top Box receives request, starts the TFTP process sending standby system, and is sent the message downloading standby system to cable modem by snmp protocol; After the bootstrap loader of cable modem receives message, start to download standby system.
4. cable modem safety method according to claim 3, it is characterized in that, described step S40 is specially: after cable modem bootstrap loader download standby system completes, signature check is carried out to the standby system downloaded, and the check value that signature check generates is sent to Set Top Box by snmp protocol; Contrast with default check value after Set Top Box termination check value, if consistent, by verification, Set Top Box sends the order adopting standby system to carry out System recover to cable modem by snmp protocol, if both are inconsistent, verify and do not pass through.
5. cable modem safety method according to claim 1, is characterized in that, when described method is also included in cable modem system upgrading, by Set Top Box, standby system is carried out to the step of synchronous upgrading.
6. a cable modem safety system, is characterized in that, comprises cable modem and Set Top Box, and Set Top Box stores the standby system of cable modem; When cable modem system is destroyed or collapse, cable modem sends request to Set Top Box, request Set Top Box sends standby system to cable modem, Set Top Box receives request, and standby system is sent to cable modem, cable modem is downloaded standby system and is verified, if be verified, adopts standby system to carry out System recover.
7. cable modem safety system according to claim 6, is characterized in that, the bootstrap loader of cable modem is that cable modem arranges a fixed ip address for carrying out standby system transmission with Set Top Box; Then sent the SNMP order of inquiry cable modem standby system to Set Top Box according to Simple Network Management Protocol by network interface; After set top box side receives SNMP order, check the standby system of set top box side, after inquiring standby system, send SNMP acknowledgement command to cable modem; Cable modem sends request after receiving SNMP acknowledgement command, and request Set Top Box sends standby system.
8. cable modem safety system according to claim 7, is characterized in that, after Set Top Box receives request, starts the TFTP process sending standby system, and is sent the message downloading standby system by snmp protocol to cable modem; After the bootstrap loader of cable modem receives message, start to download standby system.
9. cable modem safety system according to claim 8, it is characterized in that, after cable modem bootstrap loader download standby system completes, signature check is carried out to the standby system downloaded, and the check value that signature check generates is sent to Set Top Box by snmp protocol; Contrast with default check value after Set Top Box termination check value, if consistent, by verification, Set Top Box sends the order adopting standby system to carry out System recover to cable modem by snmp protocol, if both are inconsistent, verify and do not pass through.
10. cable modem safety system according to claim 6, is characterized in that, when cable modem system is upgraded, Set Top Box is synchronously upgraded to standby system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115077.8A CN104754410B (en) | 2015-03-16 | 2015-03-16 | Cable modem safety method and system |
| PCT/CN2016/076160 WO2016146032A1 (en) | 2015-03-16 | 2016-03-11 | Cable modem security method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115077.8A CN104754410B (en) | 2015-03-16 | 2015-03-16 | Cable modem safety method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104754410A true CN104754410A (en) | 2015-07-01 |
| CN104754410B CN104754410B (en) | 2018-04-10 |
Family
ID=53593406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510115077.8A Expired - Fee Related CN104754410B (en) | 2015-03-16 | 2015-03-16 | Cable modem safety method and system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104754410B (en) |
| WO (1) | WO2016146032A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016146032A1 (en) * | 2015-03-16 | 2016-09-22 | 深圳市九洲电器有限公司 | Cable modem security method and system |
| CN108271054A (en) * | 2017-01-03 | 2018-07-10 | 中国移动通信有限公司研究院 | A kind of firmware upgrade backup method and device |
| CN109150810A (en) * | 2017-06-27 | 2019-01-04 | 中兴通讯股份有限公司 | Set-top box Convergence gateway and its starting method, apparatus and storage medium |
| TWI650646B (en) * | 2017-12-01 | 2019-02-11 | 和碩聯合科技股份有限公司 | Cable data machine and its operation method |
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| CN102625061A (en) * | 2012-03-09 | 2012-08-01 | 深圳市同洲电子股份有限公司 | TV mainboard, multi-standby digital TV and method |
| US8977899B1 (en) * | 2012-09-14 | 2015-03-10 | CSC Holdings, LLC | Assisted device recovery |
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| CN104506942B (en) * | 2014-12-23 | 2018-05-29 | 深圳市九洲电器有限公司 | The upgrade method of set-top box and its cable modem system |
| CN104754410B (en) * | 2015-03-16 | 2018-04-10 | 深圳市九洲电器有限公司 | Cable modem safety method and system |
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- 2015-03-16 CN CN201510115077.8A patent/CN104754410B/en not_active Expired - Fee Related
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- 2016-03-11 WO PCT/CN2016/076160 patent/WO2016146032A1/en active Application Filing
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| CN101120536A (en) * | 2004-04-16 | 2008-02-06 | 数字加速器公司 | Method and apparatus for delivering consumer entertainment services accessed over an IP network |
| CN101877651A (en) * | 2010-05-20 | 2010-11-03 | 中兴通讯股份有限公司 | Method and system for recovering system software in network terminating equipment |
| CN102625061A (en) * | 2012-03-09 | 2012-08-01 | 深圳市同洲电子股份有限公司 | TV mainboard, multi-standby digital TV and method |
| US8977899B1 (en) * | 2012-09-14 | 2015-03-10 | CSC Holdings, LLC | Assisted device recovery |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016146032A1 (en) * | 2015-03-16 | 2016-09-22 | 深圳市九洲电器有限公司 | Cable modem security method and system |
| CN108271054A (en) * | 2017-01-03 | 2018-07-10 | 中国移动通信有限公司研究院 | A kind of firmware upgrade backup method and device |
| CN109150810A (en) * | 2017-06-27 | 2019-01-04 | 中兴通讯股份有限公司 | Set-top box Convergence gateway and its starting method, apparatus and storage medium |
| CN109150810B (en) * | 2017-06-27 | 2022-03-22 | 中兴通讯股份有限公司 | Set top box convergence gateway and starting method, device and storage medium thereof |
| TWI650646B (en) * | 2017-12-01 | 2019-02-11 | 和碩聯合科技股份有限公司 | Cable data machine and its operation method |
| CN109871334A (en) * | 2017-12-01 | 2019-06-11 | 和硕联合科技股份有限公司 | Cable modem and operating method |
| US10732887B2 (en) | 2017-12-01 | 2020-08-04 | Pegatron Corporation | Cable modem and operating method thereof |
| CN109871334B (en) * | 2017-12-01 | 2021-04-09 | 和硕联合科技股份有限公司 | Cable modem and method of operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104754410B (en) | 2018-04-10 |
| WO2016146032A1 (en) | 2016-09-22 |
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Inventor after: Zhao Peng Inventor after: Nie Xiaobo Inventor before: Nie Xiaobo |
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