CN104754410B - Cable modem safety method and system - Google Patents
Cable modem safety method and system Download PDFInfo
- Publication number
- CN104754410B CN104754410B CN201510115077.8A CN201510115077A CN104754410B CN 104754410 B CN104754410 B CN 104754410B CN 201510115077 A CN201510115077 A CN 201510115077A CN 104754410 B CN104754410 B CN 104754410B
- Authority
- CN
- China
- Prior art keywords
- cable modem
- top box
- set top
- standby system
- standby
- 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.)
- Expired - Fee Related
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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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Communication Control (AREA)
- Retry When Errors Occur (AREA)
- Telephonic Communication Services (AREA)
Abstract
The present invention relates to a kind of cable modem safety method and system, standby system is stored on the set top box that can be communicated with cable modem, when cable modem system is destroyed or is collapsed, downloads standby system from set top box side and carry out system recovery.The present invention need not increase the Flash memory spaces of cable modem, so as on the premise of it need not increase any cost, recover to cable modem system, ensure that the safety and normal work of cable modem.
Description
Technical field
The present invention relates to communication field, more particularly to a kind of cable modem safety method and system.
Background technology
At present, the Flash storage sizes of cable modem (Cable Modem, abbreviation CM) are general all on set top box
For 4M, and 4M space can only store set of system (including bootstrap loader and file system).So, because cable is modulated
Demodulator only has set of system, and when system is destroyed or collapses, cable modem will be unable to work, largely effect on electricity
The security of cable modem.
In order to ensure the safety of cable modem, existing solution method is increase cable modem
Flash storage sizes, are changed to 8M, and cable modem system and standby system are collectively stored in 8M Flash,
Can so solve the system safety problem of cable modem, but hardware cost can be greatly increased, cause to waste.
The content of the invention
In view of this, it is necessary to the problem of for above-mentioned cable modem system security, there is provided a kind of cable is adjusted
Modem security method and system.
The present invention provides a kind of cable modem safety method, comprises the following steps：
S10：In the standby system of set top box memory storage cable modem；
S20：When cable modem system is destroyed or is collapsed, being sent from cable modem to set top box please
Ask, request set top box sends standby system to cable modem；
S30：Set top box receives request, and standby system is sent into cable modem；
S40：Cable modem is downloaded standby system and verified, is carried out if being verified using standby system
System is recovered.
In one of which embodiment, the step S20 is specially：The bootstrap loader of cable modem
One fixed ip address is set for cable modem, for carrying out standby system transmission with set top box；Then network interface is passed through
The SNMP orders of inquiry cable modem standby system are sent to set top box according to Simple Network Management Protocol；Set top box side
After receiving SNMP orders, check the standby system of set top box side, after standby system is inquired send SNMP acknowledgement commands to
Cable modem；Cable modem sends request after receiving SNMP acknowledgement commands, and request set top box sends backup
System.
In one of which embodiment, the step S30 is specially：After set top box receives request, it is standby to start transmission
The TFTP processes of part system, and the message for downloading standby system is sent to cable modem by snmp protocol；Cable is adjusted
After the bootstrap loader of modulator-demodulator receives message, start to download standby system.
In one of which embodiment, the step S40 is specially：Under cable modem bootstrap loader
After the completion of carrying standby system, signature check is carried out to the standby system of download, and the check value that signature check is generated passes through
Snmp protocol is sent to set top box；Contrasted after set top box termination check value with default check value, pass through school if consistent
To test, set top box sends the order that system recovery is carried out using standby system by snmp protocol to cable modem, if two
Person is inconsistent, verifies and does not pass through.
In one of which embodiment, when methods described is additionally included in cable modem system upgrading, by machine
The step of top box synchronizes upgrading to standby system.
The present invention also provides a kind of cable modem security system, including cable modem and set top box, machine
Top box is stored with the standby system of cable modem；When cable modem system is destroyed or is collapsed, cable is adjusted
Modulator-demodulator sends to set top box and asked, and request set top box sends standby system to cable modem, and set top box receives please
Ask, and standby system is sent to cable modem, cable modem is downloaded standby system and verified, if testing
Card using standby system by then carrying out system recovery.
In one of which embodiment, the bootstrap loader of cable modem sets for cable modem
A fixed ip address is put to be used to carry out standby system transmission with set top box；Then by network interface according to Simple Network Management Protocol
The SNMP orders of inquiry cable modem standby system are sent to set top box；After set top box side receives SNMP orders, inspection
The standby system of set top box side is looked into, SNMP acknowledgement commands are sent after standby system is inquired to cable modem；Cable
Modem sends request after receiving SNMP acknowledgement commands, and request set top box sends standby system.
In one of which embodiment, after set top box receives request, start the TFTP processes for sending standby system, and
The message for downloading standby system is sent to cable modem by snmp protocol；The guiding loading journey of cable modem
After sequence receives message, start to download standby system.
In one of which embodiment, after the completion of cable modem bootstrap loader downloads standby system,
Signature check is carried out to the standby system of download, and the check value that signature check is generated is sent to machine top by snmp protocol
Box；Contrasted with default check value after set top box termination check value, assisted if consistent by verification, set top box by SNMP
The order for being sent to cable modem and system recovery being carried out using standby system is discussed, is verified if both are inconsistent obstructed
Cross.
In one of which embodiment, when cable modem system upgrades, set top box enters to standby system
The synchronous upgrading of row.
Cable modem safety method of the present invention and system, standby system is stored in and cable modem energy
On the set top box enough communicated, when cable modem system is destroyed or is collapsed, downloads and back up from set top box side
System carry out system recovery, it is not necessary to increase the Flash memory spaces of cable modem, so as to need not increase it is any into
On the premise of this, cable modem system is recovered, ensure that the safety and normal work of cable modem.
Brief description of the drawings
Fig. 1 is the flow chart of the cable modem safety method in one embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Fig. 1 is the flow chart of the cable modem safety method in one embodiment, as shown in figure 1, this method bag
Include following steps：
S10：In the standby system of set top box memory storage cable modem.
Because cable modem is connected with set top box by network interface, both can be communicated, therefore at this
In embodiment, the standby system of cable modem is stored in set top box, can be transmitted by both communications,
Flash memory spaces without increasing cable modem.
S20：When cable modem system is destroyed or is collapsed, being sent from cable modem to set top box please
Ask, request set top box sends standby system to cable modem.
Cable modem on startup, if system is destroyed or to bursting, can not normally start, now cable
Modem keeps resting in bootstrap loader, to ensure the safety of cable modem and normal startup, at this
In embodiment, due to being stored with standby system in set top box, when cable modem system is destroyed or is collapsed, by cable
Modem sends to set top box and asked, and request set top box sends standby system to cable modem, so that cable is adjusted
Modulator-demodulator being capable of recovery system.
In further embodiment, the step is specially：The bootstrap loader of cable modem is cable
Modem sets a fixed ip address, for carrying out standby system transmission with set top box；Then by network interface according to letter
Single NMP (SNMP) sends the SNMP orders of inquiry cable modem standby system to set top box；Set top box side
After receiving SNMP orders, check the standby system of set top box side, after standby system is inquired send SNMP acknowledgement commands to
Cable modem；Cable modem sends request after receiving SNMP acknowledgement commands, and request set top box sends backup
System.So by way of network communication, request set top box sends standby system to cable modem, to be adjusted to cable
Modulator-demodulator system is recovered.
S30：Set top box receives request, and standby system is sent into cable modem.
After cable modem sends request to set top box, set top box, which receives, asks and standby system is issued into cable
Modem, carry out system recovery.
In this embodiment, the step is specially：After set top box receives request, start the TFTP (letters for sending standby system
Monofile host-host protocol) process, and the message for downloading standby system is sent to cable modem by snmp protocol；Cable
After the bootstrap loader of modem receives message, start to download standby system.Thus realize standby system by machine
The transmission of top box to cable modem is transmitted.
S40：Cable modem is downloaded standby system and verified, is carried out if being verified using standby system
System is recovered.
Cable modem downloads standby system, to ensure the correctness and security of downloaded standby system,
Also need to be verified after download, system recovery is then carried out using the standby system downloaded if the verification passes.
In this embodiment, the step is specially：Cable modem bootstrap loader is downloaded standby system and completed
Afterwards, signature check is carried out to the standby system of download, and the check value that signature check is generated is sent to machine by snmp protocol
Top box；Contrasted after set top box termination check value with default check value, SNMP is passed through by verification, set top box if consistent
Agreement sends the order that system recovery is carried out using standby system to cable modem, is verified if both are inconsistent obstructed
Cross.So when can be destroyed in cable modem system after being verified or collapsing to cable modem system
System is recovered, and so as to ensure the safety of cable modem and normal work, while will not increase cost.
In addition, when this method is additionally included in cable modem system upgrading, standby system is carried out by set top box same
The step of step upgrading, so as to ensure the uniformity of standby system when cable modem upgrades.
The cable modem safety method, standby system is stored in can be communicated with cable modem
Set top box on, it is destroyed or when collapsing in cable modem system, download standby system system from set top box side
System recovers, it is not necessary to increases the Flash memory spaces of cable modem, so as to increase the premise of any cost
Under, cable modem system is recovered, ensure that the safety and normal work of cable modem.
Meanwhile the present invention also provides a kind of cable modem security system.The system includes cable modem
And set top box, set top box are stored with the standby system of cable modem；It is destroyed or collapses in cable modem system
When bursting, cable modem sends to set top box and asked, and request set top box sends standby system, machine to cable modem
Top box receives request, and standby system is sent into cable modem, and cable modem is downloaded standby system and gone forward side by side
Row checking, system recovery is carried out if being verified using standby system.
In the embodiment, because cable modem is connected with set top box by network interface, both can be carried out
Communication, therefore be stored in by the standby system of cable modem in set top box, it can be transmitted by both communications,
Flash memory spaces without increasing cable modem.
Cable modem on startup, if system is destroyed or to bursting, can not normally start, now cable
Modem keeps resting in bootstrap loader, to ensure the safety of cable modem and normal startup, due to
Standby system is stored with set top box, destroyed or when collapsing in cable modem system, cable modem is to machine
Top box sends request, and request set top box sends standby system to cable modem, so that cable modem can be extensive
Complex system.
In further embodiment, the bootstrap loader of cable modem is set for cable modem
One fixed ip address, for carrying out standby system transmission with set top box；Then by network interface according to Simple Network Management Protocol
(SNMP) the SNMP orders of inquiry standby system are sent to set top box；After set top box receives SNMP orders, set top box side is checked
Standby system, after standby system is inquired send SNMP acknowledgement commands to cable modem；Cable modem
Request is sent after receiving SNMP acknowledgement commands, request set top box sends standby system., please so by way of network communication
Set top box is asked to send standby system to cable modem, to recover to cable modem system.
After cable modem sends request to set top box, set top box, which receives, asks and standby system is issued into cable
Modem, carry out system recovery.
In further embodiment, after set top box receives request, start the TFTP (simple files for sending standby system
Host-host protocol) process, and the message for downloading standby system is sent to cable modem by snmp protocol；Cable modulatedemodulate
After adjusting the bootstrap loader of device to receive message, start to download standby system.Thus realize standby system by set top box to
The transmission transmission of cable modem.
Cable modem downloads standby system, to ensure the correctness and security of downloaded standby system,
Also need to be verified after download, system recovery is then carried out using the standby system downloaded if the verification passes.
It is right after the completion of cable modem bootstrap loader downloads standby system in further embodiment
The standby system of download carries out signature check, and the check value that signature check is generated is sent to set top box by snmp protocol；
Contrasted after set top box termination check value with default check value, snmp protocol is passed through by verification, set top box if consistent
The order that system recovery is carried out using standby system is sent to cable modem, verifies and does not pass through if both are inconsistent.
So when can be destroyed in cable modem system after being verified or collapsing to cable modem system
Recovered, so as to ensure the safety of cable modem and normal work, while cost will not be increased.
In addition, when cable modem system upgrades, set top box synchronizes upgrading to standby system, so as in electricity
Ensure the uniformity of standby system when cable modem upgrades.
The cable modem security system, standby system is stored in can be communicated with cable modem
Set top box on, it is destroyed or when collapsing in cable modem system, download standby system system from set top box side
System recovers, it is not necessary to increases the Flash memory spaces of cable modem, so as to increase the premise of any cost
Under, cable modem system is recovered, ensure that the safety and normal work of cable modem.
Cable modem safety method of the present invention and system, standby system is stored in and cable modem energy
On the set top box enough communicated, when cable modem system is destroyed or is collapsed, downloads and back up from set top box side
System carry out system recovery, it is not necessary to increase the Flash memory spaces of cable modem, so as to need not increase it is any into
On the premise of this, cable modem system is recovered, ensure that the safety and normal work of cable modem.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of cable modem safety method, it is characterised in that comprise the following steps：
S10：In the standby system of set top box memory storage cable modem；
S20：When cable modem system is destroyed or is collapsed, sends and ask from cable modem to set top box,
Set top box is asked to send standby system to cable modem；
S30：Set top box receives request, and standby system is sent into cable modem；
S40：Cable modem is downloaded standby system and verified, system is carried out using standby system if being verified
Recover；
The step S40 is specially：After the completion of cable modem bootstrap loader downloads standby system, to the standby of download
Part system carries out signature check, and the check value that signature check is generated is sent to set top box by snmp protocol；Set top box side
Contrasted with default check value after connecing check value, adjusted if consistent by verification, set top box by snmp protocol to cable
Modulator-demodulator sends the order that system recovery is carried out using standby system, verifies and does not pass through if both are inconsistent.
2. cable modem safety method according to claim 1, it is characterised in that the step S20 is specially：
The bootstrap loader of cable modem is that cable modem sets a fixed ip address, for entering with set top box
Row standby system transmits；Then inquiry cable modem is sent to set top box according to Simple Network Management Protocol by network interface
The SNMP orders of standby system；After set top box side receives SNMP orders, the standby system of set top box side is checked, it is standby inquiring
SNMP acknowledgement commands are sent after part system to cable modem；Cable modem is sent out after receiving SNMP acknowledgement commands
Request is sent, request set top box sends standby system.
3. cable modem safety method according to claim 2, it is characterised in that the step S30 is specially：
After set top box receives request, start the TFTP processes for sending standby system, and sent out to cable modem by snmp protocol
Send the message for downloading standby system；After the bootstrap loader of cable modem receives message, start to download backup system
System.
4. cable modem safety method according to claim 1, it is characterised in that methods described is additionally included in electricity
During cable modem system upgrade, the step of upgrading is synchronized to standby system by set top box.
5. a kind of cable modem security system, it is characterised in that including cable modem and set top box, set top box
It is stored with the standby system of cable modem；When cable modem system is destroyed or is collapsed, cable modulatedemodulate
To adjust device to send to set top box to ask, request set top box sends standby system to cable modem, and set top box receives request, and
Standby system is sent to cable modem, cable modem is downloaded standby system and verified, if checking is logical
Cross and system recovery is then carried out using standby system；
After the completion of cable modem bootstrap loader downloads standby system, signature school is carried out to the standby system of download
Test, and the check value that signature check is generated is sent to set top box by snmp protocol；With presetting after set top box termination check value
Check value is contrasted, and is sent and used to cable modem by snmp protocol by verification, set top box if consistent
Standby system carries out the order of system recovery, verifies and does not pass through if both are inconsistent.
6. cable modem security system according to claim 5, it is characterised in that cable modem draws
Lead loading procedure sets a fixed ip address to be used to carry out standby system transmission with set top box for cable modem；Then
Send the SNMP orders 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 orders, the standby system of set top box side is checked, SNMP is sent after standby system is inquired should
Order is answered to cable modem；Cable modem sends request after receiving SNMP acknowledgement commands, asks set top box
Send standby system.
7. cable modem security system according to claim 6, it is characterised in that after set top box receives request,
Start the TFTP processes for sending standby system, and sent by snmp protocol to cable modem and download disappearing for standby system
Breath；After the bootstrap loader of cable modem receives message, start to download standby system.
8. cable modem security system according to claim 5, it is characterised in that in cable modem system
During system upgrading, set top box synchronizes upgrading 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 CN104754410A (en) | 2015-07-01 |
| CN104754410B true 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) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7684315B1 (en) * | 2002-11-08 | 2010-03-23 | Juniper Networks, Inc. | Ordered switchover of cable modems |
| US8839227B2 (en) * | 2008-02-29 | 2014-09-16 | Arris Enterprises, Inc. | Preventing overwrite of nonessential code during essential code update |
| 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 |
-
2015
- 2015-03-16 CN CN201510115077.8A patent/CN104754410B/en not_active Expired - Fee Related
-
2016
- 2016-03-11 WO PCT/CN2016/076160 patent/WO2016146032A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104754410A (en) | 2015-07-01 |
| 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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