CN103402144A - Method, device and system for automatically measuring multicast service performances - Google Patents
Method, device and system for automatically measuring multicast service performances Download PDFInfo
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- CN103402144A CN103402144A CN2013103231959A CN201310323195A CN103402144A CN 103402144 A CN103402144 A CN 103402144A CN 2013103231959 A CN2013103231959 A CN 2013103231959A CN 201310323195 A CN201310323195 A CN 201310323195A CN 103402144 A CN103402144 A CN 103402144A
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Abstract
The invention relates to a method, a device and a system for automatically measuring multicast service performances. The method for automatically measuring the multicast service performances comprises the following steps: receiving a plurality of measurement messages from a transmitting terminal, wherein each measurement message corresponds to one multicast program; checking a local multicast transmission list to obtain locally-stored multicast programs from the multicast transmission list; selecting measurement messages corresponding to the locally-stored multicast programs from the measurement messages; and measuring the multicast service performances between the transmitting terminal and a local terminal by utilizing the selected corresponding measurement messages.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method, Apparatus and system of automatic measurement multicast service performance.
Background technology
IPTV (Interactive Personality TV on present network, what IPTV) business adopted is the multicasting technology of point-to-multipoint, the factors such as the packet loss in the IPTV transmission path, shake are experienced very crucial to the user of video traffic, therefore, the multicast service performance measurement method on forward-path is extremely important.
Because the user uses in the process of IPTV in reality, the user understands regular conversion program channel, and namely receiving terminal switches group broadcasting program frequently.In present multicast service performance measurement method for user's regular conversion program, need to ceaselessly to transmitting terminal and receiving terminal, be configured according to the conversion of receiving terminal group broadcasting program, with the measured message of the group broadcasting program current according to receiving terminal, carry out multicast service performance measurement between receiving terminal and transmitting terminal.
That is to say that existing multicast service performance measurement method, in the situation that receiving terminal frequently switches group broadcasting program, can't be measured automatically to the multicast service performance between receiving terminal and transmitting terminal.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of method, Apparatus and system of automatic measurement multicast service performance,, so that in the situation that receiving terminal frequently switches group broadcasting program, can automatically measure the multicast service performance between transmitting terminal and receiving terminal.
In first aspect, the invention provides a kind of method of automatic measurement multicast service performance, the method comprises:
Reception is from a plurality of measured message of transmitting terminal, the corresponding group broadcasting program of each measured message;
Inquiry local multicast forwarding list, obtain the group broadcasting program of local storage from described multicast forwarding list;
Select the measured message corresponding with the group broadcasting program of described local storage from described a plurality of measured message;
Utilize the measured message of the correspondence of described selection to measure multicast service performance between transmitting terminal and local terminal.
In the first of first aspect mode in the cards, store the identification information of group broadcasting program in described multicast forwarding list, the identification information of described group broadcasting program comprises the procotol IP address of group broadcasting program, or the identification information of described group broadcasting program comprises media interviews control MAC Address and the virtual LAN VLAN of group broadcasting program.
In conjunction with the first of first aspect or first aspect mode in the cards, in the second mode in the cards, carry the IP address in described measured message, or described measured message carries MAC Address and VLAN, describedly selects the measured message corresponding with the group broadcasting program of described local storage specifically to comprise from a plurality of measured message: the consistent measured message of identification information of selecting the group broadcasting program that entrained IP address and described this locality store from described a plurality of measured message; Or, select entrained MAC Address and the VLAN measured message consistent with the identification information of the group broadcasting program of described local storage from described a plurality of measured message.
In the third mode in the cards of first aspect, also comprise before a plurality of measured message of described reception from transmitting terminal: receive the multicast service performance measurement initiation message from webmaster.
In the 4th kind of mode in the cards of first aspect, described multicast service performance comprises packet loss, delay time and jitter, and the multicast service performance that the measured message of the described correspondence of utilizing described selection is measured between transmitting terminal and local terminal specifically comprises: utilize the counting messages value of carrying in measured message to calculate packet loss between transmitting terminal and local terminal; Perhaps utilize the time stamp value of carrying in measured message to calculate delay time and jitter between transmitting terminal and local terminal.
In second aspect, the invention provides a kind of device of automatic measurement multicast service performance, comprising:
Receiver, be used for receiving a plurality of measured message from transmitting terminal, the corresponding group broadcasting program of each measured message;
Processor, be used for inquiry local multicast forwarding list, obtains the group broadcasting program of local storage from described multicast forwarding list; Select the measured message corresponding with the group broadcasting program of described local storage from described a plurality of measured message; And the measured message of utilizing the correspondence of described selection is measured the multicast service performance between transmitting terminal and local terminal.
In the first of second aspect mode in the cards, described device also comprises memory, be used for storing described multicast forwarding list, store the identification information of group broadcasting program in described multicast forwarding list, the identification information of described group broadcasting program comprises the procotol IP address of group broadcasting program, or the identification information of described group broadcasting program comprises media interviews control MAC Address and the virtual LAN VLAN of group broadcasting program.
In conjunction with the first of second aspect mode in the cards, in the second mode in the cards, carry the IP address in described measured message, or described measured message carries MAC Address and VLAN, and described processor selects the measured message corresponding with the group broadcasting program of described local storage specifically to comprise from a plurality of measured message: select the entrained IP address measured message consistent with the identification information of the described local group broadcasting program of storing from described a plurality of measured message; Or, select entrained MAC Address and the VLAN measured message consistent with the identification information of the group broadcasting program of described local storage from described a plurality of measured message.
In the third mode in the cards of second aspect, described receiver also is used for receiving the multicast service performance measurement initiation message from webmaster.
In conjunction with the second mode in the cards of the first of second aspect or second aspect mode in the cards or second aspect or the third mode in the cards of second aspect, in the 4th kind of mode in the cards, described device is Digital Subscriber Line Access Multiplexer DSLAM, Optical Network Terminal OLT, multiple service access network MSAN equipment or routing device.
In the third aspect, the invention provides a kind of system of automatic measurement multicast service performance, comprise first network equipment and second network equipment, described first network equipment is connected with described second network equipment;
Described first network equipment, be used for sending a plurality of measured message, the corresponding group broadcasting program of each measured message;
Described second network equipment, be used for inquiry local multicast forwarding list, obtains the group broadcasting program of local storage from described multicast forwarding list; Select the measured message corresponding with the group broadcasting program of described local storage from described a plurality of measured message; And the measured message of utilizing the correspondence of described selection is measured the multicast service performance between transmitting terminal and local terminal.
In the first of the third aspect mode in the cards, store a plurality of group broadcasting programs on described first network equipment, described first network equipment specifically is used for sending a plurality of measured message according to a plurality of group broadcasting programs of storing on described first network equipment, the corresponding group broadcasting program of each measured message.
In conjunction with the first of the third aspect or the third aspect mode in the cards, in the second mode in the cards, described system also comprises webmaster, described webmaster is used for described first network equipment and described second network equipment are managed, and described second network equipment also is used for receiving the multicast service performance measurement initiation message from described webmaster.
Pass through such scheme, a plurality of measured message that the receiving terminal receiving end/sending end sends, by inquiry local multicast forwarding list, select the measured message corresponding to group broadcasting program of local storage from the measured message that receives, then according to the multicast service performance measurement between the measured message calculating transmitting terminal of selecting and receiving terminal, to realize in the situation that receiving terminal frequently switches group broadcasting program, the multicast service performance between transmitting terminal and receiving terminal is measured automatically.
Description of drawings
The schematic flow sheet of the method for a kind of automatic measurement multicast service performance that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the device of a kind of automatic measurement multicast service performance that Fig. 2 provides for the embodiment of the present invention;
The another kind of structural representation of automatically measuring the device of multicast service performance that Fig. 3 provides for the embodiment of the present invention;
The schematic diagram of the system of a kind of automatic measurement multicast service performance that Fig. 4 provides for the embodiment of the present invention;
The another kind of schematic diagram of automatically measuring the system of multicast service performance that Fig. 5 provides for the embodiment of the present invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing, and obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making all other embodiment that obtain under the creative work prerequisite, belong to the scope of protection of the invention.
The method of a kind of automatic measurement multicast service performance that below the detailed description embodiment of the present invention provides as an example of Fig. 1 example.The schematic flow sheet of the method for a kind of automatic measurement multicast service performance that Fig. 1 provides for the embodiment of the present invention.The executive agent that should automatically measure the method for multicast service performance is receiving terminal, receiving terminal can be specially Digital Subscriber Line Access Multiplexer (Digital Subscriber Line Access Multiplexer, DSLAM), Optical Network Terminal (Optical Line Terminal, OLT), the equipment of other forwardings such as multiple service access network (Multi-Service Access Network, MSAN) equipment or routing device or receiving group program.As shown in Figure 1, this method of automatically measuring the multicast service performance comprises:
101, receive a plurality of measured message from transmitting terminal, the corresponding group broadcasting program of each measured message.
The multicast forwarding list of transmitting terminal this locality comprises a plurality of group broadcasting programs of this Sender side Storage, so transmitting terminal is constructed the measured message of each group broadcasting program of Sender side Storage by the multicast forwarding list of this transmitting terminal this locality of inquiry.Because necessarily comprise the group broadcasting program of receiving terminal storage in a plurality of group broadcasting programs of Sender side Storage, so transmitting terminal sends the measured message of all group broadcasting programs in the multicast forwarding list of transmitting terminal this locality to receiving terminal, can guarantee in the situation that receiving terminal frequent changes group broadcasting program, during a certain group broadcasting program of receiving terminal broadcast, can get the measured message of this group broadcasting program of transmitting terminal transmission.
Wherein, transmitting terminal can be specially the equipment of other forwarding multicasting programs such as router or switch.
102, inquiry local multicast forwarding list, obtain the group broadcasting program of local storage from this multicast forwarding list.
As long as the user watches group broadcasting program, necessarily comprise this group broadcasting program so in the multicast forwarding list of receiving terminal this locality, so, in the situation that the user frequently changes group broadcasting program,, by the multicast forwarding list of inquire-receive end this locality, just can immediately determine the group broadcasting program of the current correspondence of receiving terminal.
103, select the measured message corresponding with the group broadcasting program of local storage from a plurality of measured message that receive.
Alternatively, store the identification information of group broadcasting program in the multicast forwarding list of receiving terminal this locality, and each measured message carries the identification information of group broadcasting program corresponding to this measured message.Therefore, while selecting the measured message corresponding with the local group broadcasting program of storing a plurality of measured message from receiving, can select according to the identification information of group broadcasting program, namely select the entrained message identification measured message consistent with the identification information of the group broadcasting program of the local storage of receiving terminal from a plurality of measured message that receive.
For example, this message identification can be got involved key-course (Media Access Control, MAC) address and VLAN (VirtualLocalAreaNetwork, VLAN) for media, and MAC Address and VLAN are carried on Ethernet header (the Eth head of measured message.This message identification can also be procotol (Internet Protocol, IP) address, and the IP address is carried on the network protocol header (IP head) of measured message.Receiving terminal is after receiving measured message, know the message identification of the group broadcasting program that measured message is carried, message identification in the multicast forwarding list of the message identification of the group broadcasting program that then measured message is carried and receiving terminal this locality mates, determine that whether measured message is the measured message corresponding to group broadcasting program of the local storage of receiving terminal, finally selects the measured message corresponding with the group broadcasting program of the local storage of receiving terminal from a plurality of measured message that receive.
104, utilize the measured message measurement transmitting terminal of the correspondence of selecting and the multicast service performance between local terminal.
Alternatively, measured message is also carried counting messages value and/or time stamp value.Wherein, the counting messages value is the group broadcasting program corresponding to this measured message of the transmitting terminal statistics number-of-packet while sending.The time stamp value be transmitting terminal be group broadcasting program corresponding to this measured message add transmission the time time stamp.
This counting messages value and/or time stamp value are carried in the payload of measured message, receiving terminal is selected the measured message corresponding with the group broadcasting program of the local storage of receiving terminal a plurality of measured message from receiving after, obtain counting messages value and/or time stamp value from the payload of the measured message selected.Utilize the counting messages value of carrying in measured message to calculate packet loss between transmitting terminal and local terminal; Utilize the time stamp value of carrying in measured message to calculate delay time and jitter between transmitting terminal and local terminal.
In addition, alternatively, before a plurality of measured message that receive from transmitting terminal, the method can also comprise: receive the multicast service performance measurement initiation message from webmaster.Receiving terminal after receiving this initiation message, just starts to carry out 101-104.Whether receiving terminal carries out the multicast service performance measurement by network management control.
utilize the method for the automatic measurement multicast service performance that the embodiment of the present invention provides, a plurality of measured message that the receiving terminal receiving end/sending end sends, by inquiry local multicast forwarding list, select the measured message corresponding to group broadcasting program of local storage from the measured message that receives, then according to the multicast service performance measurement between the measured message calculating transmitting terminal of selecting and receiving terminal, to realize in the situation that receiving terminal frequently switches group broadcasting program, multicast service performance between transmitting terminal and receiving terminal is measured automatically, and with regard to fault location, owing to can the multicast service performance between transmitting terminal and receiving terminal being measured automatically, therefore can carry out quick fault location.
Below as an example of Fig. 2 example, describe the device of a kind of automatic measurement multicast service performance that the embodiment of the present invention provides in detail, the structural representation of the device of a kind of automatic measurement multicast service performance that Fig. 2 provides for the embodiment of the present invention.The device of multicast service performance should be measured automatically, in order to realize the method for automatic measurement multicast service performance shown in Figure 1.This device can be specially the equipment of other forwardings such as Digital Subscriber Line Access Multiplexer DSLAM, Optical Network Terminal OLT, multiple service access network MSAN equipment or routing device or receiving group program.
As shown in Figure 2, this device of automatically measuring the multicast service performance comprises: receiver 210, processor 220.
Receiver 210 is used for receiving a plurality of measured message from transmitting terminal, the corresponding group broadcasting program of each measured message.
The multicast forwarding list of transmitting terminal this locality comprises a plurality of group broadcasting programs of this Sender side Storage, so transmitting terminal is constructed the measured message of each group broadcasting program of Sender side Storage by the multicast forwarding list of this transmitting terminal this locality of inquiry.Because necessarily comprise the group broadcasting program of this device storage in a plurality of group broadcasting programs of Sender side Storage, so transmitting terminal sends the measured message of all group broadcasting programs in the multicast forwarding list of transmitting terminal this locality to receiving terminal, can guarantee in the situation that this device frequent changes group broadcasting program, during a certain group broadcasting program of this device broadcast, can get the measured message of this group broadcasting program of transmitting terminal transmission.
Wherein, transmitting terminal can be specially the equipment of other forwarding multicasting programs such as router or switch.
Processor 220 is used for inquiry local multicast forwarding list, obtains the group broadcasting program of local storage from the local multicast forwarding list.
Alternatively, as shown in Figure 3, this device also comprises memory 230, and memory 230 is used for storage local multicast forwarding list.
As long as the user watches group broadcasting program, necessarily comprise this group broadcasting program so in the local multicast forwarding list of this device, so, in the situation that the user frequently changes group broadcasting program,, by inquiring about the local multicast forwarding list of this device, just can immediately determine the group broadcasting program of the current correspondence of this device.
Processor 220 also is used for selecting the measured message corresponding with the group broadcasting program of local storage from a plurality of measured message that receive.
Alternatively, store the identification information of group broadcasting program in the multicast forwarding list of this device this locality, and each measured message carries the identification information of group broadcasting program corresponding to this measured message.Therefore, while selecting the measured message corresponding with the local group broadcasting program of storing a plurality of measured message from receiving, processor 220 can be selected according to the identification information of group broadcasting program, namely selects the entrained message identification measured message consistent with the identification information of the group broadcasting program of the local storage of this device from a plurality of measured message that receive.
For example, this message identification can be MAC Address and VLAN, and MAC Address and VLAN are carried on the Eth head of measured message.This message identification can also be the IP address, and the IP address is carried on the IP head of measured message.After receiver 210 receives measured message, processor 220 is known the message identification of the group broadcasting program that measured message is carried, message identification in the multicast forwarding list of the message identification of the group broadcasting program that then measured message is carried and this device this locality mates, determine that whether measured message is the measured message corresponding to group broadcasting program of the local storage of this device, finally selects the measured message corresponding with the group broadcasting program of the local storage of this device from a plurality of measured message that receive.
Processor 220 is also for the measured message measurement transmitting terminal of the correspondence of utilizing described selection and the multicast service performance between local terminal.
Alternatively, measured message is also carried counting messages value and/or time stamp value.Wherein, the counting messages value is the group broadcasting program corresponding to this measured message of the transmitting terminal statistics number-of-packet while sending.The time stamp value be transmitting terminal be group broadcasting program corresponding to this measured message add transmission the time time stamp.
This counting messages value and/or time stamp value are carried in the payload of measured message, processor 220 is selected the measured message corresponding with the group broadcasting program of the local storage of this device a plurality of measured message from receiving after, obtain counting messages value and/or time stamp value from the payload of the measured message selected.Processor 220 utilizes the counting messages value of carrying in measured message to calculate packet loss between transmitting terminal and local terminal; Utilize the time stamp value of carrying in measured message to calculate delay time and jitter between transmitting terminal and local terminal.
In addition, alternatively, receiver 210 also is used for receiving the multicast service performance measurement initiation message from webmaster.Whether this device carries out the multicast service performance measurement by network management control.
utilize the device of the automatic measurement multicast service performance that the embodiment of the present invention provides, a plurality of measured message that this device receiving end/sending end sends, by inquiry local multicast forwarding list, select the measured message corresponding to group broadcasting program of local storage from the measured message that receives, then according to the multicast service performance measurement between the measured message calculating transmitting terminal of selecting and receiving terminal, in the situation that installing, this frequently switches group broadcasting program to realize, multicast service performance between transmitting terminal and this device is measured automatically, and with regard to fault location, owing to can the multicast service performance between transmitting terminal and this device being measured automatically, therefore can carry out quick fault location.
Below as an example of Fig. 4 example, describe the system of a kind of automatic measurement multicast service performance that the embodiment of the present invention provides in detail, the schematic diagram of the system of a kind of automatic measurement multicast service performance that Fig. 4 provides for the embodiment of the present invention.The system that should automatically measure the multicast service performance comprises: first network equipment 410 and at least one second network equipment 420.Wherein, first network equipment can be specially the equipment of other forwarding multicasting programs such as router or switch; Second network equipment can be specially the equipment of other forwardings such as Digital Subscriber Line Access Multiplexer DSLAM, Optical Network Terminal OLT, multiple service access network MSAN equipment or routing device or receiving group program.
The multicast forwarding list of first network equipment 410 this locality comprises a plurality of group broadcasting programs of these first network equipment 410 storages, therefore first network equipment 410 is by the multicast forwarding list of these first network equipment 410 this locality of inquiry, the measured message of each group broadcasting program of structure first network equipment 410 storages, then send the measured message of all group broadcasting programs in the multicast forwarding list of first network equipment 410 this locality to second network equipment 420.
The corresponding group broadcasting program of each measured message, each measured message is carried the message identification of group broadcasting program corresponding to this measured message, MAC Address and VLAN that this message identification carries in can measured message Eth head, the IP address that also can carry for the IP head of measured message.And carry counting messages value and/or the time stamp value of group broadcasting program corresponding to this multicast message in the payload of each multicast message.
Concrete, second network equipment 420 receives a plurality of measured message that first network equipment 410 sends, and this measured message carries message identification, and this message identification can be the IP address, also can be MAC Address and VLAN.Second network equipment 420 inquiry local multicast forwarding lists, obtain the group broadcasting program of second network equipment 420 storages, then select the entrained message identification measured message consistent with the identification information of the group broadcasting program of the local storage of receiving terminal from a plurality of measured message that receive.Second network equipment 420 obtains counting messages value and/or time stamp value from the measured message of selecting.Utilize the counting messages value of carrying in measured message to calculate packet loss between transmitting terminal and local terminal; Utilize the time stamp value of carrying in measured message to calculate delay time and jitter between transmitting terminal and local terminal.
In addition, alternatively, as shown in Figure 5, this can comprise webmaster 430 this system.This webmaster 430 is used for first network equipment 410 and second network equipment 420 are controlled.For example, webmaster 430 sends multicast service performance measurement initiation message to first network equipment 410 and second network equipment 420, and whether first network equipment 410 and second network equipment 420 carry out the multicast service performance measurement is controlled by webmaster 430.
Accordingly, first network equipment 410 also is used for receiving the multicast service performance measurement initiation message from webmaster 430.Second network equipment 410 also is used for receiving the multicast service performance measurement initiation message from webmaster 430, only in the multicast service performance measurement initiation message that receives webmaster 430 transmissions, just starts to carry out the multicast service performance measurement.
utilize the system of the automatic measurement multicast service performance that the embodiment of the present invention provides, the receiving terminal network equipment receives a plurality of measured message, by inquiry local multicast forwarding list, select the measured message corresponding to group broadcasting program of local storage from the measured message that receives, then according to the multicast service performance measurement between the measured message calculating transmitting terminal network equipment of selecting and the receiving terminal network equipment, to realize in the situation that this receiving terminal network equipment frequently switches group broadcasting program, multicast service performance between the transmitting terminal network equipment and the receiving terminal network equipment is measured automatically, and with regard to fault location, owing to can the multicast service performance between the transmitting terminal network equipment and the receiving terminal network equipment being measured automatically, therefore can carry out quick fault location.
The professional should further recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or combination both, for the interchangeability of hardware and software clearly is described, composition and the step of each example described in general manner according to function in the above description.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.The professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can use the software module of hardware, processor execution, and perhaps both combination is implemented.Software module can be placed in the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection range that is not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (13)
1. a method of automatically measuring the multicast service performance, is characterized in that, described method comprises:
Reception is from a plurality of measured message of transmitting terminal, the corresponding group broadcasting program of each measured message;
Inquiry local multicast forwarding list, obtain the group broadcasting program of local storage from described multicast forwarding list;
Select the measured message corresponding with the group broadcasting program of described local storage from described a plurality of measured message;
Utilize the measured message of the correspondence of described selection to measure multicast service performance between transmitting terminal and local terminal.
2. method according to claim 1, it is characterized in that, store the identification information of group broadcasting program in described multicast forwarding list, the identification information of described group broadcasting program comprises the procotol IP address of group broadcasting program, or the identification information of described group broadcasting program comprises media interviews control MAC Address and the virtual LAN VLAN of group broadcasting program.
3. method according to claim 1 and 2, it is characterized in that, carry the IP address in described measured message, or described measured message carries MAC Address and VLAN, describedly selects the measured message corresponding with the described local group broadcasting program of storing specifically to comprise from a plurality of measured message:
Select the entrained IP address measured message consistent with the identification information of the group broadcasting program of described local storage from described a plurality of measured message; Or,
Select entrained MAC Address and the VLAN measured message consistent with the identification information of the group broadcasting program of described local storage from described a plurality of measured message.
4. method according to claim 1, is characterized in that, also comprises before a plurality of measured message of described reception from transmitting terminal:
Reception is from the multicast service performance measurement initiation message of webmaster.
5. method according to claim 1, is characterized in that, described multicast service performance comprises packet loss, delay time and jitter, and the multicast service performance that the measured message of the described correspondence of utilizing described selection is measured between transmitting terminal and local terminal specifically comprises:
Utilize the counting messages value of carrying in measured message to calculate packet loss between transmitting terminal and local terminal; Perhaps utilize the time stamp value of carrying in measured message to calculate delay time and jitter between transmitting terminal and local terminal.
6. a device of automatically measuring the multicast service performance, is characterized in that, comprising:
Receiver, be used for receiving a plurality of measured message from transmitting terminal, the corresponding group broadcasting program of each measured message;
Processor, be used for inquiry local multicast forwarding list, obtains the group broadcasting program of local storage from described multicast forwarding list; Select the measured message corresponding with the group broadcasting program of described local storage from described a plurality of measured message; And the measured message of utilizing the correspondence of described selection is measured the multicast service performance between transmitting terminal and local terminal.
7. device according to claim 6, it is characterized in that, also comprise memory, be used for storing described multicast forwarding list, store the identification information of group broadcasting program in described multicast forwarding list, the identification information of described group broadcasting program comprises the procotol IP address of group broadcasting program, or the identification information of described group broadcasting program comprises media interviews control MAC Address and the virtual LAN VLAN of group broadcasting program.
8. device according to claim 7, it is characterized in that, carry the IP address in described measured message, or described measured message carries MAC Address and VLAN, described processor selects the measured message corresponding with the group broadcasting program of described local storage specifically to comprise from a plurality of measured message:
Select the entrained IP address measured message consistent with the identification information of the group broadcasting program of described local storage from described a plurality of measured message; Or,
Select entrained MAC Address and the VLAN measured message consistent with the identification information of the group broadcasting program of described local storage from described a plurality of measured message.
9. device according to claim 6, is characterized in that, described receiver also is used for receiving the multicast service performance measurement initiation message from webmaster.
10. according to claim 6-9 described devices of any one, is characterized in that, described device is Digital Subscriber Line Access Multiplexer DSLAM, Optical Network Terminal OLT, multiple service access network MSAN equipment or routing device.
11. a system of automatically measuring the multicast service performance, comprise first network equipment and second network equipment, described first network equipment is connected with described second network equipment, it is characterized in that,
Described first network equipment, be used for sending a plurality of measured message, the corresponding group broadcasting program of each measured message;
Described second network equipment, be used for inquiry local multicast forwarding list, obtains the group broadcasting program of local storage from described multicast forwarding list; Select the measured message corresponding with the group broadcasting program of described local storage from described a plurality of measured message; And the measured message of utilizing the correspondence of described selection is measured the multicast service performance between transmitting terminal and local terminal.
12. system according to claim 11, it is characterized in that, store a plurality of group broadcasting programs on described first network equipment, described first network equipment specifically is used for sending a plurality of measured message according to a plurality of group broadcasting programs of storing on described first network equipment, the corresponding group broadcasting program of each measured message.
13. according to claim 11 or 12 described systems is characterized in that described system also comprises webmaster, described webmaster is used for described first network equipment and described second network equipment are managed,
Described second network equipment also is used for receiving the multicast service performance measurement initiation message from described webmaster.
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