CN103036807A - Safeguard and optimization method of Internet protocol television (IPTV) professional work - Google Patents
Safeguard and optimization method of Internet protocol television (IPTV) professional work Download PDFInfo
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- CN103036807A CN103036807A CN2012104958190A CN201210495819A CN103036807A CN 103036807 A CN103036807 A CN 103036807A CN 2012104958190 A CN2012104958190 A CN 2012104958190A CN 201210495819 A CN201210495819 A CN 201210495819A CN 103036807 A CN103036807 A CN 103036807A
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Abstract
The invention relates to the field of home gateway networks, in particular to a safeguard and optimization method of Internet protocol television (IPTV) professional work. The safeguard and optimization method of the IPTV professional work comprises correspondingly handling of addition and maintenance of a multicast source address table of the Internet group management protocol (IGMP) snooping and ip_mr_cache table to IGMP Join messages on a user from the local area network (LAN) side, correspondingly handling of deletion and maintenance of a multicast source address table of an IGMP snooping and ip_mr_cache table IGMP Leave messages or IGMP snooping / proxy time-out events specific to a user on the LAN side, and correspondingly handling of inquiry and matching of a multicast source address in aim Internet protocol (IP) and IGMP snooping and ip_mr_cache table on wide area network (WAN) side inflowing data flow. The safeguard and optimization method of the IPTV professional work has a function of achieving quality guarantee of IPTV high-performance services of a home gateway.
Description
Technical field
The present invention relates to the home gateway network field, relate in particular to a kind of guarantee and optimization method of interactive network TV service.
Background technology
Along with the develop rapidly of unification of three nets and IPTV (IPTV) technology, domestic consumer and operator are also more and more higher to the performance requirement of the IPTV of home gateway product.Download under the clear IPTV1 of (3-5M)+one road sign (3M)+tunnel high definition (6-9M) the IPTV2 environment at P2P, how to guarantee that the function that IPTV plays without mosaic and fast channel switching normally has been to weigh the important indicator parameter of one family gateway IPTV performance.If packet loss appears in downstream data flow, will cause displaying video mosaic phenomenon to occur, if packet loss appears in up IGMP service message, will cause the user to change the slow or set-top box blank screen of platform, the phenomenons such as cutout.The descending IGMP data flow of IPTV is accelerated to optimize in realization and the guarantee of up IGMP service message has become extremely important.
What use was maximum in home gateway is (SuSE) Linux OS, IGMP snooping (internet group management protocol snooping)/IGMP Proxy is the Open Source Code that adopts linux, QoS (a kind of security mechanism of network is with a kind of technology that solves the problems such as network delay and obstruction) adopts the corresponding QoS formation of IMQ+TC+Iptables technical configuration and rule.
Summary of the invention
The object of the present invention is to provide a kind of guarantee and optimization method of interactive network TV service, packet loss appears in the descending IGMP data flow that has solved IPTV, cause displaying video mosaic phenomenon to occur, packet loss appears in up IGMP service message, causes the user to change the problem of the phenomenons such as the slow or set-top box blank screen of platform, cutout.
For addressing the above problem, the technical solution used in the present invention is:
A kind of optimization method of interactive network TV service may further comprise the steps
Carry out the multicast source address list item interpolation maintenance processing of corresponding IGMP snooping and ip_mr_cache table for LAN side user's IGMP Join message;
Safeguard processing for the multicast source address list item deletion that LAN side user's IGMP Leave message or the overtime event of IGMP snooping/proxy are carried out corresponding IGMP snooping and ip_mr_cache table;
Carry out the match query of multicast source address in purpose IP and IGMP snooping and the ip_mr_cache table processes for WAN side inflow data flow;
If coupling is then called and is driven transmission interface and send to corresponding LAN and carry out the software acceleration handling process.
Further technical scheme is the multicast source address list item interpolation maintenance processing that above-mentioned IGMP Join message for LAN side user carries out corresponding IGMPsnooping and ip_mr_cache table, whether LAN side user's IGMPJoin message inquiry is opened IGMP snooping, if open, then add simultaneously IGMP snooping list item, if do not open, then finish the option of IGMP snooping.
Further technical scheme is the multicast source address list item deletion maintenance processing that above-mentioned IGMP Leave message for LAN side user or the overtime event of IGMPsnooping/proxy are carried out corresponding IGMP snooping and ip_mr_cache table, whether LAN side user's IGMP Join message inquiry is opened IGMP proxy, if open, then add simultaneously the ip_mr_cache list item, if do not open, then finish the option of IGMP proxy; Whether the IGMP Leave/Timeout message inquiry to LAN side user opens IGMP snooping, if open, then deletes simultaneously IGMP snooping list item, if do not open, then finishes the option of IGMP snooping; Whether the IGMP Leave/Timeout message inquiry to LAN side user opens IGMP proxy, if open, then deletes simultaneously the ip_mr_cache list item, if do not open, then finishes the option of IGMP proxy.
Further technical scheme is the above-mentioned match query processing of carrying out multicast source address in purpose IP and IGMP snooping and the ip_mr_cache table for WAN side inflow data flow, that IGMP snooping list item is judged whether purpose IP (destIP) mates relevant IGMP snooping list item, drive transmission interface and send to corresponding LAN and carry out the software acceleration handling process if mating directly to call, if do not mate, then walk protocol stack packet receiving handling process.
Further technical scheme is during match query of carrying out multicast source address in purpose IP and IGMPsnooping and the ip_mr_cache table for WAN side inflow data flow described above is processed, comprise that also downlink data is carried out the WAN mouth drives the packet receiving processing, then judge and accept whether tall interface of the corresponding WAN of message, the flow process of whether mating relevant IGMP snooping list item if yes then enter purpose IP (destIP), if not, then continue to judge and accept whether routing interface of the corresponding WAN of message, if not, then walk protocol stack packet receiving handling process, if, then continue to judge whether purpose IP (destIP) mates the ip_mr_cache list item, if not, then walk protocol stack packet receiving handling process, if so, then directly call and drive transmission interface and send to corresponding LAN and carry out the software acceleration handling process.
A kind of support method of interactive network TV service may further comprise the steps
System default is opened the up qos feature of WAN mouth, and sets up two other formations of different priorities, and default setting IGMP message enters the high priority queue scheduling and processes.This qos feature can guarantee IGMP in the linux protocol stack not by packet loss;
In buffer resource of reservation of linux network-driven sending module for sending the IGMP message.Excessive and when driving the buffer resource and lacking in uplink traffic, QoS be can't guarantee the IGMP message when drive sending not by packet loss, drive sending module at this situation linux and will abandon other messages, use the buffer resource of reserving to guarantee that the IGMP service message of high priority sends.
The beneficial effect that adopts technique scheme to produce is: the present invention is based on the IGMP of linux, IGMPSnooping, IGMP Proxy, QoS and linux network-driven technology are carried out Technology Integration and software acceleration optimization etc., thereby realize the quality assurance of home gateway IPTV high performance service; The IGMP downlink data that can open the WAN mouth under default situations accelerates optimizational function and prevents that the IPTV uplink service message (IGMP join/report/leave) of WAN mouth from being ensured the realization technology by packet loss.
Description of drawings
Fig. 1 is the structural representation of an embodiment of optimization method of a kind of interactive network TV service of the present invention.
Fig. 2 is the structural representation of an embodiment of optimization method of a kind of interactive network TV service of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, 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, is not intended to limit the present invention.
Fig. 1 and Fig. 2 show an embodiment of the optimization method of a kind of interactive network TV service of the present invention: a kind of optimization method of interactive network TV service may further comprise the steps
Carry out the multicast source address list item interpolation maintenance processing of corresponding IGMP snooping and ip_mr_cache table for LAN side user's IGMP Join message;
Safeguard processing for the multicast source address list item deletion that LAN side user's IGMP Leave message or the overtime event of IGMP snooping/proxy are carried out corresponding IGMP snooping and ip_mr_cache table;
Carry out the match query of multicast source address in purpose IP and IGMP snooping and the ip_mr_cache table processes for WAN side inflow data flow;
If coupling is then called and is driven transmission interface and send to corresponding LAN and carry out the software acceleration handling process.
Another embodiment of a kind of optimization method of interactive network TV service according to the present invention, carry out the match query of multicast source address in purpose IP and IGMP snooping and the ip_mr_cache table processes for WAN side inflow data flow, if do not mate, then walk protocol stack packet receiving handling process.
As shown in Figure 1, its idiographic flow is: whether the IGMP Join message inquiry to LAN side user opens IGMPsnooping, if open, then adds simultaneously IGMP snooping list item, if do not open, then finishes the option of IGMPsnooping; Whether the IGMP Join message inquiry to LAN side user opens IGMP proxy, if open, then adds simultaneously the ip_mr_cache list item, if do not open, then finishes the option of IGMP proxy; Whether the IGMP Leave/Timeout message inquiry to LAN side user opens IGMP snooping, if open, then deletes simultaneously IGMP snooping list item, if do not open, then finishes the option of IGMP snooping; Whether the IGMP Leave/Timeout message inquiry to LAN side user opens IGMP proxy, if open, then deletes simultaneously the ip_mr_cache list item, if do not open, then finishes the option of IGMP proxy.
As shown in Figure 2, its idiographic flow is: IGMP snooping list item is judged whether purpose IP (destIP) mates relevant IGMP snooping list item, drive transmission interface and send to corresponding LAN and carry out the software acceleration handling process if mating directly to call, if do not mate, then walk protocol stack packet receiving handling process.Downlink data is carried out the WAN mouth drive the packet receiving processing, then judge and accept whether tall interface of the corresponding WAN of message, the flow process of whether mating relevant IGMP snooping list item if yes then enter purpose IP (destIP), if not, then continue to judge and accept whether routing interface of the corresponding WAN of message, if not, then walk protocol stack packet receiving handling process, if, then continue to judge whether purpose IP (destIP) mates the ip_mr_cache list item, if not, then walk protocol stack packet receiving handling process, if so, then directly call and drive transmission interface and send to corresponding LAN and carry out the software acceleration handling process.Also the ip_mr_cache table is inquired about in addition.
A kind of support method of interactive network TV service may further comprise the steps
System default is opened the up qos feature of WAN mouth, and sets up two other formations of different priorities, and default setting IGMP message enters the high priority queue scheduling and processes.This qos feature can guarantee IGMP in the linux protocol stack not by packet loss;
In buffer resource of reservation of linux network-driven sending module for sending the IGMP message.Excessive and when driving the buffer resource and lacking in uplink traffic, QoS be can't guarantee the IGMP message when drive sending not by packet loss, drive sending module at this situation linux and will abandon other messages, use the buffer resource of reserving to guarantee that the IGMP service message of high priority sends.
Although invention has been described with reference to a plurality of explanatory embodiment of the present invention here, but, should be appreciated that those skilled in the art can design a lot of other modification and execution modes, these are revised and execution mode will drop within the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes also will be obvious.
Claims (6)
1. the optimization method of an interactive network TV service is characterized in that: may further comprise the steps
Carry out the multicast source address list item interpolation maintenance processing of corresponding IGMP snooping and ip_mr_cache table for LAN side user's IGMP Join message;
Safeguard processing for the multicast source address list item deletion that LAN side user's IGMP Leave message or the overtime event of IGMP snooping/proxy are carried out corresponding IGMP snooping and ip_mr_cache table;
Carry out the match query of multicast source address in purpose IP and IGMP snooping and the ip_mr_cache table processes for WAN side inflow data flow;
If coupling is then called and is driven transmission interface and send to corresponding LAN and carry out the software acceleration handling process.
If do not mate, then walk protocol stack packet receiving handling process.
2. the optimization method of a kind of interactive network TV service according to claim 1, it is characterized in that: the multicast source address list item that described IGMP Join message for LAN side user carries out corresponding IGMP snooping and ip_mr_cache table adds the maintenance processing, whether LAN side user's IGMP Join message inquiry is opened IGMPsnooping, if open, then add simultaneously IGMP snooping list item, if do not open, then finish the option of IGMPsnooping.
3. the optimization method of a kind of interactive network TV service according to claim 1, it is characterized in that: the described multicast source address list item deletion of carrying out corresponding IGMP snooping and ip_mr cache table for LAN side user's IGMP Leave message or the overtime event of IGMP snooping/proxy is safeguarded and is processed, whether LAN side user's IGMP Join message inquiry is opened IGMP proxy, if open, then add simultaneously the ip_mr_cache list item, if do not open, then finish the option of IGMP proxy; Whether the IGMPLeave/Timeout message inquiry to LAN side user opens IGMP snooping, if open, then deletes simultaneously the IGMPsnooping list item, if do not open, then finishes the option of IGMP snooping; Whether the IGMPLeave/Timeout message inquiry to LAN side user opens IGMP proxy, if open, then deletes simultaneously the ip_mr_cache list item, if do not open, then finishes the option of IGMP proxy.
4. the optimization method of a kind of interactive network TV service according to claim 1, it is characterized in that: the described match query processing of carrying out multicast source address in purpose IP and IGMP snooping and the ip_mr_cache table for WAN side inflow data flow, that IGMP snooping list item is judged whether purpose IP (destIP) mates relevant IGMPsnooping list item, drive transmission interface and send to corresponding LAN and carry out the software acceleration handling process if mating directly to call, if do not mate, then walk protocol stack packet receiving handling process.
5. the optimization method of a kind of interactive network TV service according to claim 4, it is characterized in that: during described match query of carrying out multicast source address in purpose IP and IGMP snooping and the ip_mr_cache table for WAN side inflow data flow is processed, comprise that also downlink data is carried out the WAN mouth drives the packet receiving processing, then judge and accept whether bridge joint mouth of the corresponding WAN of message, the flow process of whether mating relevant IGMPsnooping list item if yes then enter purpose IP (destIP), if not, then continue to judge and accept whether routing interface of the corresponding WAN of message, if not, then walk protocol stack packet receiving handling process, if, then continue to judge whether purpose IP (destIP) mates the ip_mr_cache list item, if not, then walk protocol stack packet receiving handling process, if so, then directly call and drive transmission interface and send to corresponding LAN and carry out the software acceleration handling process.
6. the support method of an interactive network TV service is characterized in that: may further comprise the steps
System default is opened the up qos feature of WAN mouth, and sets up two other formations of different priorities, and default setting IGMP message enters the high priority queue scheduling and processes.
In buffer resource of reservation of linux network-driven sending module for sending the IGMP message.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103259675A (en) * | 2013-04-11 | 2013-08-21 | 深圳市共进电子股份有限公司 | Method for realizing isolation of internet protocol television (IPTV) service messages between ports |
| CN103313141B (en) * | 2013-05-08 | 2016-01-13 | 华中师范大学 | A kind of cooperative node for distributed wireless multicast selects method for building up |
| CN111355662A (en) * | 2018-12-24 | 2020-06-30 | 中移（杭州）信息技术有限公司 | Data acceleration method and device, gateway equipment and readable storage medium |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103259675A (en) * | 2013-04-11 | 2013-08-21 | 深圳市共进电子股份有限公司 | Method for realizing isolation of internet protocol television (IPTV) service messages between ports |
| CN103259675B (en) * | 2013-04-11 | 2016-04-13 | 深圳市共进电子股份有限公司 | The implementation method that a kind of interactive network TV service message is isolated between port |
| CN103313141B (en) * | 2013-05-08 | 2016-01-13 | 华中师范大学 | A kind of cooperative node for distributed wireless multicast selects method for building up |
| CN111355662A (en) * | 2018-12-24 | 2020-06-30 | 中移（杭州）信息技术有限公司 | Data acceleration method and device, gateway equipment and readable storage medium |
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