CN102907044B - Business scheduling method and device under many wideband network gateways - Google Patents
Business scheduling method and device under many wideband network gateways Download PDFInfo
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- CN102907044B CN102907044B CN201180000604.0A CN201180000604A CN102907044B CN 102907044 B CN102907044 B CN 102907044B CN 201180000604 A CN201180000604 A CN 201180000604A CN 102907044 B CN102907044 B CN 102907044B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/78—Architectures of resource allocation
- H04L47/781—Centralised allocation of resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
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- H04L47/822—Collecting or measuring resource availability data
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Abstract
The embodiment of the present invention provides business scheduling method and device under a kind of many wideband network gateways, relates to communication technical field.Comprise: the current bandwidth that access node sends tie-in line at least one wideband network gateway BNG uses the current bandwidth of information and/or access node uplink port to use information, use the current bandwidth of information and/or access node uplink port to use information to dispatch or access control business to trigger at least one BNG described according to the current bandwidth of described tie-in line.Under the embodiment of the present invention is mainly used in many BNG network architecture, carry out business, in the process of layering scheduling or access process, the effective rate of utilization of downstream transmission bandwidth can being improved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to business scheduling method and device under a kind of many wideband network gateways.
Background technology
In the substandard network configuration of TR101, AN (accessnode, access node) tie-in line (telephone wire or optical fiber) of multiple user that terminates, and be responsible for uplink message to be forwarded to Aggswitch (aggregation node), downlink message is forwarded to corresponding tie-in line, described Aggswitch converges the traffic classes message of multiple AN and is forwarded to BNG (broadbandnetworkgateway, wideband network gateway)/BRAS (broadbandremoteAccessserver, Broadband Remote Access Server), this BNG/BRAS is responsible for the distribution of IP address, user authentication, the functions such as IP operation identification.
In order to ensure the end-to-end QoS (QualityofService of different business, service quality), layering scheduling mechanism is introduced at BNG, such as, in two BNG network architecture, a BNG provides IPTV (InternetProtocolTelevision, IPTV), VoD (VideoOnDemand, video request program) etc. business, another BNG provides VoIP (VoiceoverInternetProtocol, Voice over IP), Internet (Internet), VPN (VirtualPrivateNetwork, VPN (virtual private network)) etc. business.In order to realize layering scheduling, the two layer priority tag (the P flag of such as ethernet frame) different to different IP business setting.Such as, VoIP business has limit priority, and video traffic has next priority, and Internet business has lowest priority.
After the multiple messages from above-mentioned two BNG arrive aggregation node and access node, aggregation node and access node forward according to priority, for example: suppose that the maximum bandwidth of tie-in line is 6M, if need to carry out in the message forwarded, video traffic needs to use 3M, VoIp business to use 120k, Internet service needed to use 2.9M, then access node is by the priority according to message, abandons the Internet message of 20k.
Can find out, owing to there occurs packet loss at above-mentioned access node, cause the waste of the downstream transmission bandwidth between BNG to access node, it should be noted that, if the downlink message bandwidth of two BNG has exceeded the bandwidth between aggregation node to access node, then packet loss also may occur between aggregation node to access node, thus also causes the waste of the downstream transmission bandwidth between BNG to aggregation node.
Summary of the invention
The embodiment of the present invention provides business scheduling method and device under a kind of many wideband network gateways, improves the effective rate of utilization of downstream transmission bandwidth.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, business scheduling method under a kind of many wideband network gateways is provided, comprises:
The current bandwidth obtaining tie-in line uses the current bandwidth of information and/or access node uplink port to use information;
The current bandwidth sending tie-in line at least one wideband network gateway BNG uses the current bandwidth of information and/or access node uplink port to use information, uses the current bandwidth of information and/or access node uplink port to use information to dispatch or access control business to trigger at least one BNG described according to the current bandwidth of described tie-in line.
On the other hand, a kind of communicator is provided, comprises:
Acquiring unit, the current bandwidth for obtaining tie-in line uses the current bandwidth of information and/or access node uplink port to use information;
Transmitting element, current bandwidth for sending from the tie-in line that described acquiring unit obtains at least one wideband network gateway BNG uses the current bandwidth of information and/or access node uplink port to use information, uses the current bandwidth of information and/or access node uplink port to use information to dispatch or access control business to trigger at least one BNG described according to the current bandwidth of described tie-in line.
In the embodiment of the present invention described by technique scheme, the current bandwidth sending tie-in line at least one wideband network gateway BNG by access node uses the current bandwidth of information and/or access node uplink port to use information.When new business arrives, BNG uses the current bandwidth of information and/or access node uplink port to use information according to the current bandwidth of described tie-in line, can judge whether the current bandwidth of described tie-in line and/or access node uplink port meets the bandwidth demand of described new business, if meet the bandwidth demand of described new business, then allow this new business to carry out access, otherwise carry out other process.Thus to avoid in prior art after new business access, because the current bandwidth of tie-in line or access node uplink port cannot meet the bandwidth demand of new business and packet loss occurs, cause the wasting problem of the transmission bandwidth between BNG and access node, the embodiment of the present invention can improve the effective rate of utilization of downstream transmission bandwidth.
Accompanying drawing explanation
Business scheduling method flow chart under the many wideband network gateways of one that Fig. 1 provides for the embodiment of the present invention;
Business scheduling method flow chart under the many wideband network gateways of another kind that Fig. 2 provides for the embodiment of the present invention;
Business scheduling method flow chart under another many wideband network gateway that Fig. 3 provides for the embodiment of the present invention;
Business scheduling method flow chart under also a kind of many wideband network gateways that Fig. 4 provides for the embodiment of the present invention;
Business scheduling method flow chart under another many wideband network gateway that Fig. 5 provides for the embodiment of the present invention;
A kind of structure chart of the communicator that Fig. 6 provides for the embodiment of the present invention;
The another kind of structure chart of the communicator that Fig. 7 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the embodiment of the present invention provides business scheduling method under a kind of many wideband network gateways, comprises the steps:
101, the current bandwidth obtaining tie-in line uses the current bandwidth of information and/or access node uplink port to use information.
Such as, when described tie-in line is between home gateway and access node, because the transfer of data between home gateway and access node is all forwarded by access node, thus this access node can be added up the data volume that tie-in line has transmitted, can learn that the current bandwidth of tie-in line uses information.And for example, access node is added up the data volume transmitted by access node uplink port, can learn that the current bandwidth of access node uplink port uses information.
102, the current bandwidth that access node sends tie-in line at least one wideband network gateway BNG uses the current bandwidth of information and/or access node uplink port to use information, uses the current bandwidth of information and/or access node uplink port to use information to dispatch or access control business to trigger at least one BNG described according to the current bandwidth of described tie-in line.
In the embodiment of the present invention, the current bandwidth sending tie-in line at least one wideband network gateway BNG by access node uses the current bandwidth of information and/or access node uplink port to use information.When new business arrives, BNG uses the current bandwidth of information and/or access node uplink port to use information according to the current bandwidth of described tie-in line, can judge whether the current bandwidth of described tie-in line and/or access node uplink port meets the bandwidth demand of described new business, if meet the bandwidth demand of described new business, then allow this new business to carry out access, otherwise carry out other process.Thus to avoid in prior art after new business access, because the current bandwidth of tie-in line or access node uplink port cannot meet the bandwidth demand of new business and packet loss occurs, cause the wasting problem of the transmission bandwidth between BNG and access node, the embodiment of the present invention can improve the effective rate of utilization of downstream transmission bandwidth.
It should be noted that, the current bandwidth of described tie-in line uses information to be specifically as follows the current utilized bandwidth of described tie-in line, because the maximum bandwidth of described tie-in line can be set in advance on BNG, or is obtained from network management system by BNG.Thus, after BNG receives the current utilized bandwidth of described tie-in line, utilize the maximum bandwidth of described tie-in line to deduct the utilized bandwidth of described tie-in line, the current residual bandwidth of described tie-in line can be calculated.
Or the current bandwidth of described tie-in line uses information to be specifically as follows the current residual bandwidth of described tie-in line.
Or the current bandwidth of described tie-in line uses information to be specifically as follows the current utilized bandwidth of particular flow rate classification in described tie-in line, such as, the current utilized bandwidth of video class business in described tie-in line.
Or the current bandwidth of described tie-in line uses information to be specifically as follows the current residual bandwidth of particular flow rate classification in described tie-in line.Such as, when in the maximum utilized bandwidth at tie-in line for particular flow rate classification is assigned with spendable maximum bandwidth, then the current utilized bandwidth of particular flow rate classification in the spendable maximum bandwidth of distributing for particular flow rate classification in the maximum utilized bandwidth of tie-in line and tie-in line described above is subtracted each other, the current residual bandwidth of particular flow rate classification in described tie-in line can be obtained.
In like manner, the current bandwidth of described access node uplink port uses information to be specially the current utilized bandwidth of described access node uplink port, because the maximum bandwidth of described access node uplink port can be set in advance on BNG, or obtained from network management system by BNG.Thus after BNG receives the current utilized bandwidth of described access node uplink port, utilize the maximum bandwidth of described access node uplink port to deduct the utilized bandwidth of described access node uplink port, the current residual bandwidth of described access node uplink port can be calculated.
Or the current bandwidth of described access node uplink port uses information to be specially the current residual bandwidth of described access node uplink port.
Or the current bandwidth of described access node uplink port uses information to be specially the current utilized bandwidth of particular flow rate classification in described access node uplink port, such as, the current utilized bandwidth of video class business in described access node uplink port.
Or the current bandwidth of described access node uplink port uses information to be specially the current residual bandwidth of particular flow rate classification in described access node uplink port.Such as, when in the maximum utilized bandwidth in row port on access nodes for particular flow rate classification is assigned with spendable maximum bandwidth, then the current utilized bandwidth of particular flow rate classification in the spendable maximum bandwidth of distributing for particular flow rate classification in the maximum utilized bandwidth in row port on access nodes and access node uplink port described above is subtracted each other, the current residual bandwidth of particular flow rate classification in described tie-in line can be obtained.
Further, above-mentioned 102 specifically adopt following manner to realize: access node sends report message according to Access Node Control Protocol ANCP agreement at least one BNG, and the current bandwidth that described report message comprises tie-in line uses the current bandwidth of information and/or access node uplink port to use information.
The access node that the embodiment of the present invention provides comprises DSLAM (DigitalSubscriberLineAccessMultiplexer, Digital Subscriber Line Access Multiplexer) or OLT (OpticalLineTermination, optical fiber cable termination equipment).
Described BNG also can be referred to as BRAS (broadbandremoteAccessserver, Broadband Remote Access Server) or IPedge.
In embodiment as shown in Figure 2, adopt two BNG network architecture to carry out IPTV application, wherein, BNG1 provides Internet to access, VoIP, the business such as enterprise VPN, and BNG2 provides the video traffics such as IPTV and VoD.Carry out after multicast message copies at access node, the current bandwidth sending tie-in line at least one BNG uses the current bandwidth of information and/or access node uplink port to use information.Be described below in detail business scheduling method under a kind of many wideband network gateways, comprise the steps:
201. home gateways 1 send IGMPjoin request message by tie-in line 1 to access node, request viewing IPTV channel A.
202. access nodes receive described IGMPjoin request message, described IGMPjoin request message is detected (that is " snooping " step between step 201 and 202 in Fig. 2), detect the M-VLAN (VirtualLocalAreaNetwork that this channel A is corresponding, VLAN) on there is no message transmissions, that is the user under this access node asks viewing channel A first, now access node does not do message and copies, and directly described IGMPjoin request message is forwarded to BNG2 by uplink port.
After BNG2 receives this IGMPjoin message, start the IPTV message of transmission channel A on M-VLAN, after access node receives the IPTV message of channel A on M-VLAN, the tie-in line 1 of home gateway 1 correspondence forwards the IPTV message of this channel A.The tie-in line 1 of this home gateway 1 correspondence that is: the transmission line between the user port 1 of home gateway 1 and access node.
203. access nodes send report message according to ANCP agreement to BNG1, and the current bandwidth that described report message comprises tie-in line uses the current bandwidth of information and/or access node uplink port to use information.
Optionally, described report message specifically comprises: the current utilized bandwidth of described tie-in line 1 and the current utilized bandwidth of described access node uplink port.Such as, if the IPTV message occupied bandwidth of described channel A is 3Mb/S, now, the current utilized bandwidth of described tie-in line is 3Mb/S, and the current utilized bandwidth of described access node uplink port is 3Mb/S.
Or described report message specifically comprises: the current residual bandwidth of access node uplink port described in the current residual bandwidth sum of described tie-in line 1.
It should be noted that, when carrying out IPTV application, after BNG2 receives the IGMPjoin message of access node transmission, can obtain that current what carry out transmitting is the IPTV message of which channel, bandwidth shared by the IPTV message that BNG2 has preserved each channel in advance, now can draw the current utilized bandwidth of tie-in line and the current utilized bandwidth of described access node uplink port according to IGMPjoin message.Thus, do not need in the present embodiment to send above-mentioned report message to BNG2.
204. home gateways 2 send IGMPjoin request message by corresponding tie-in line 2 to access node, also request viewing IPTV channel A.
After access node receives described IGMPjoin request message, described IGMPjoin request message is detected (that is " snooping " step between step 204 and 205 in Fig. 2), detect that the M-VLAN that this channel A is corresponding has had IPTV message transmissions, now access node directly copies the IPTV message on M-VLAN corresponding to this channel A, and the IPTV message after copying is sent to home gateway 2 by user port 2.
205. access nodes send described IGMPjoin request message to BNG2, so that access node has been copied the message notice of the IPTV message of this channel A to described BNG2.
206. access nodes send report message according to ANCP agreement to BNG1, and the current bandwidth that described report message comprises tie-in line uses information.
It should be noted that, because the transmission bandwidth of now access node uplink port does not change, now can carry the current utilized bandwidth of described access node uplink port in above-mentioned report message, only need the current utilized bandwidth of carrying described tie-in line.
After 207.BNG1 receives above-mentioned report message, can learn that the bandwidth of the tie-in line 1 of home gateway 1 correspondence uses 3Mb/s, the bandwidth of the tie-in line 2 of home gateway 2 correspondence uses 3M/s, and the bandwidth between access node to aggregation node uses 3Mb/s.The maximum bandwidth that BNG1 also can obtain the tie-in line 1 of home gateway 1 correspondence by network management system or other control signals is 6Mb/s, the maximum bandwidth of the tie-in line 2 of home gateway 2 correspondence is 6Mb/s, and the maximum bandwidth of access node uplink port is assumed to be 100Mb/s.Now, BNG1 can show that the current residual bandwidth of the tie-in line 1 of home gateway 1 correspondence is 3Mb/s, and the remaining bandwidth of the tie-in line 2 of home gateway 2 correspondence is 3Mb/s, and the remaining bandwidth of access node uplink port is assumed to be 97Mb/s.
When there being a new business to arrive BNG1, when needing to be sent to home gateway 1 or home gateway 2, BNG1 determines whether to transmit this new business according to the remaining bandwidth of the remaining bandwidth of above-mentioned tie-in line and access node uplink port.If the bandwidth that this new business needs has exceeded remaining bandwidth, than needing 4M/s if any individual new business, all exceed the remaining bandwidth of above-mentioned tie-in line 1 and tie-in line 2, then or refuse this new business (access control), just packet loss is carried out to this business, this service bandwidth is restricted to 3Mb/s (layering scheduling).Specifically above-mentioned new business is refused, still do bandwidth restriction, need to determine according to the attribute of this new business.If this new business can't stand packet loss, then refuse this new business, otherwise carry out bandwidth restriction.
In embodiment illustrated in fig. 2, the current bandwidth sending tie-in line at least one wideband network gateway BNG by access node uses the current bandwidth of information and/or access node uplink port to use information.When new business arrives, BNG uses the current bandwidth of information and/or access node uplink port to use information according to the current bandwidth of described tie-in line, can judge whether the current bandwidth of described tie-in line and/or access node uplink port meets the bandwidth demand of described new business, if meet the bandwidth demand of described new business, then allow this new business to carry out access, otherwise carry out other process.Thus to avoid in prior art after new business access, because the current bandwidth of tie-in line or access node uplink port cannot meet the bandwidth demand of new business and packet loss occurs, cause the wasting problem of the transmission bandwidth between BNG and access node, the embodiment of the present invention can improve the effective rate of utilization of downstream transmission bandwidth.
In addition, in prior art, when the business that BNG1 and BNG2 provides clashes, such as, BNG1 and BNG2 all provides video traffic to access node, and now, the video traffic of BNG1 and the video traffic of BNG2 have two layers of identical priority, such as, the video traffic of BNG1 and the video traffic of BNG2 are second priority level.After then access node receives the video traffic (occupied bandwidth 3M) of above-mentioned BNG1 and the video traffic (occupied bandwidth 3M) of BNG2, find that this bandwidth required for two video traffics has exceeded the maximum bandwidth (such as 6M) of tie-in line, then, access node is according to two of business layers of priority, at random the video traffic of the video traffic of above-mentioned BNG1 and BNG2 all may be carried out packet loss process, cause the video traffic of the video traffic of above-mentioned BNG1 and BNG2 all cannot carry out.
And, adopt the scheme that the embodiment of the present invention provides, the current bandwidth that BNG can obtain tie-in line uses information, such as, BNG1 first have sent video traffic to access node, now the bandwidth of tie-in line can meet the video traffic of this BNG1, thus, the video traffic of BNG1 is sent to corresponding user.The bandwidth that now access node reports tie-in line current uses information to BNG2, BNG2 finds that the remaining bandwidth of now tie-in line cannot meet the bandwidth demand of the video traffic of BNG2, then refuse the video traffic of BNG2, when the remaining bandwidth of later tie-in line meets the bandwidth demand of the video traffic of BNG2, allow the video traffic access of BNG2.Can find out, the embodiment of the present invention can avoid the problem of access node random drop service message in prior art, ensures the transmission quality of service message.
In embodiment as shown in Figure 3, adopt two BNG network architecture to carry out IPTV application, wherein, BNG1 provides Internet to access, VoIP, the business such as enterprise VPN, and BNG2 provides the video traffics such as IPTV and VoD.After access node receives the query messages of BNG, the current bandwidth sending tie-in line to described BNG uses the current bandwidth of information and/or access node uplink port to use information.Be described below in detail business scheduling method under a kind of many wideband network gateways, comprise the steps:
301. home gateways 1 send IGMPjoin request message by tie-in line 1 to access node, request viewing IPTV channel A.
302. access nodes receive described IGMPjoin request message, described IGMPjoin request message is detected (that is " snooping " step between step 301 and 302 in Fig. 3), detect that the M-VLAN that this channel A is corresponding does not have message transmissions, that is the user under this access node asks viewing channel A first, now access node does not do message and copies, and directly described IGMPjoin request message is forwarded to BNG2 by uplink port.
After BNG2 receives this IGMPjoin message, start the IPTV message of transmission channel A on M-VLAN, after access node receives the IPTV message of channel A on M-VLAN, the tie-in line 1 of home gateway 1 correspondence forwards the IPTV message of this channel A.
303. when new business arrives BNG1, if this new business needs to be sent to home gateway 1, and this new business needs certain Bandwidth guaranteed (that is not allowing packet loss), such as a video class application.Now, BNG1 sends ANCP query messages according to ANCP agreement to access node.
It should be noted that, if above-mentioned new business is BE (classification of doing one's best) class business, that is this new business allows packet loss process to a certain degree, and now BNG1 can send ANCP query messages to access node.
After 304. access nodes receive above-mentioned query messages, the current bandwidth of inquiry tie-in line uses the current bandwidth of information and/or access node uplink port to use information;
And sending report message according to ANCP agreement to BNG1, the current bandwidth of the tie-in line inquired described in described report message comprises uses the current bandwidth of information and/or access node uplink port to use information.
Particularly, described report message comprise described in the remaining bandwidth of tie-in line that inquires and the remaining bandwidth of access node uplink port.
Or, the utilized bandwidth of the tie-in line inquired described in described report message comprises and the utilized bandwidth of access node uplink port
Such as, if in above-mentioned 302, the bandwidth that IPTV message takies the tie-in line 1 of home gateway 1 correspondence is 3Mb/s, the maximum bandwidth of the tie-in line 1 of home gateway 1 correspondence is 6Mb/s, access node uplink port maximum bandwidth be assumed to be 100Mb/s, then now the remaining bandwidth of tie-in line 1 is 6Mb/s-3Mb/s=3Mb/s; The remaining bandwidth of access node uplink port is 100Mb/s-3Mb/s=97Mb/s (suppose do not have other CU transmission bandwidths, otherwise uplink port also will deduct other user's utilized bandwidths).
It should be noted that, if for particular flow rate classification is assigned with spendable maximum bandwidth in the maximum bandwidth of tie-in line, now, this step can also inquire about the current utilized bandwidth of particular flow rate classification, and sending report message to described BNG1, described report message comprises the current utilized bandwidth of particular flow rate classification in described tie-in line.After BNG1 receives this report message, can according to being the current utilized bandwidth of particular flow rate classification in the particular flow rate classification maximum utilized bandwidth of distributing and tie-in line in advance in the maximum bandwidth of tie-in line, know the spendable remaining bandwidth that in tie-in line, particular flow rate classification is current, so that when the business of this particular flow rate classification reaches, carry out access control accurately or layering scheduling.Certainly, above-mentioned report message also can comprise the remaining bandwidth that in tie-in line, particular flow rate classification is current.Concrete restriction is not done at this.
After 305.BNG1 receives above-mentioned report message, layering scheduling is carried out to above-mentioned new business or performs the process of access control, see step 207 in above-mentioned Fig. 2.
In embodiment illustrated in fig. 3, received the query messages of BNG by access node after, the current bandwidth sending tie-in line to BNG uses the current bandwidth of information and/or access node uplink port to use information.When new business arrives, BNG uses the current bandwidth of information and/or access node uplink port to use information according to the current bandwidth of described tie-in line, can judge whether the current bandwidth of described tie-in line and/or access node uplink port meets the bandwidth demand of described new business, if meet the bandwidth demand of described new business, then allow this new business to carry out access, otherwise carry out other process.Thus to avoid in prior art after new business access, because the current bandwidth of tie-in line or access node uplink port cannot meet the bandwidth demand of new business and packet loss occurs, cause the wasting problem of the transmission bandwidth between BNG and access node, the embodiment of the present invention can improve the effective rate of utilization of downstream transmission bandwidth.
In embodiment shown in Fig. 4, adopt two BNG network architecture to carry out IPTV application, wherein, BNG1 provides Internet to access, VoIP, the business such as enterprise VPN, and BNG2 provides the video traffics such as IPTV and VoD.Row port on access nodes current is when utilized bandwidth is greater than predetermined threshold value, and the current bandwidth sending tie-in line at least one BNG uses the current bandwidth of information and/or access node uplink port to use information.Be described below in detail business scheduling method under a kind of many wideband network gateways, comprise the steps:
401. home gateways 1 send IGMPjoin request message by tie-in line 1 to access node, request viewing IPTV channel A.
402. access nodes receive described IGMPjoin request message, described IGMPjoin request message is detected (that is " snooping " step between step 401 and 402 in Fig. 4), detect that the M-VLAN that this channel A is corresponding does not have message transmissions, that is the user under this access node asks viewing channel A first, now access node does not do message and copies, and directly described IGMPjoin request message is forwarded to BNG2 by uplink port.
After BNG2 receives this IGMPjoin message, start the IPTV message of transmission channel A on M-VLAN, after access node receives the IPTV message of channel A on M-VLAN, the tie-in line 1 of home gateway 1 correspondence forwards the IPTV message of this channel A.
403. as new business arrival BNG1, and this new business needs to be sent to home gateway 2 by unicast fashion.After BNG1 is directly mapped as corresponding traffic classes this new business, be sent to access node, access node is sent to home gateway 2 the message of this traffic classes.
404. access nodes detect the bandwidth situation of change of uplink port, if detect uplink port utilized bandwidth is greater than predetermined threshold value time, now illustrate that access node uplink port there occurs congested, then send to BNG1 the report message that the bandwidth carrying described access node uplink port uses information.
Such as, when detecting that the utilized bandwidth of access node uplink port is greater than 80% of the maximum bandwidth of described access node uplink port, then send report message by ANCP agreement to BNG1.
The current bandwidth of described access node uplink port uses information to comprise any one information following: the current residual bandwidth of the current residual bandwidth of particular flow rate classification, the current utilized bandwidth of described access node uplink port or described access node uplink port in the current utilized bandwidth of particular flow rate classification, described access node uplink port in described access node uplink port.
It should be noted that, if for particular flow rate classification is assigned with spendable maximum bandwidth in the maximum bandwidth of row port on access nodes, now, this step can also particular flow rate classification current be when utilized bandwidth is greater than predetermined threshold value in row port on access nodes, and the current bandwidth sending access node uplink port at least one BNG uses information.Such as, detect that in access node uplink port, the current utilized bandwidth of video class business is greater than 80% of the maximum bandwidth of described access node uplink port, then send report message by ANCP agreement to BNG1, described report message comprises the current utilized bandwidth of particular flow rate classification in described access point uplink port.After BNG1 receives this report message, can according in advance on access nodes row port be the current utilized bandwidth of particular flow rate classification in the particular flow rate classification maximum utilized bandwidth of distributing and access node uplink port, know the current spendable remaining bandwidth of particular flow rate classification in access node uplink port, so that when the business of this particular flow rate classification reaches, carry out access control accurately or layering scheduling.Certainly, above-mentioned report message also can comprise the current remaining bandwidth of particular flow rate classification.Concrete restriction is not done at this.
405. in like manner, and access node sends report message to BNG2.
406.BNG2/BNG1 receives above-mentioned report message, and carries out layering scheduling according to the remaining bandwidth of uplink port to business.If it is congested to find that uplink port occurs, then BNG2/BNG1 can refuse some existing business, occur to avoid congestion sustains.
It should be noted that, if the business on certain BNG must ensure transmission, the IPTV service that such as above-mentioned BNG2 provides must ensure transmission, then now, above-mentioned report message can be sent to above-mentioned BNG2, but only send above-mentioned report message to above-mentioned BNG1, to trigger BNG1 when uplink port occurs congested, refuse some existing business, occur to avoid congestion sustains.
In embodiment illustrated in fig. 4, by access node when utilized bandwidth is greater than predetermined threshold value for uplink port current, the current bandwidth sending tie-in line to BNG uses the current bandwidth of information and/or access node uplink port to use information.When new business arrives, BNG uses the current bandwidth of information and/or access node uplink port to use information according to the current bandwidth of described tie-in line, can judge whether the current bandwidth of described tie-in line and/or access node uplink port meets the bandwidth demand of described new business, if meet the bandwidth demand of described new business, then allow this new business to carry out access, otherwise carry out other process.Thus to avoid in prior art after new business access, because the current bandwidth of tie-in line or access node uplink port cannot meet the bandwidth demand of new business and packet loss occurs, cause the wasting problem of the transmission bandwidth between BNG and access node, the embodiment of the present invention can improve the effective rate of utilization of downstream transmission bandwidth.
In embodiment as shown in Figure 5, enterprise 1 monopolizes tie-in line 1, and accesses access node by tie-in line 1, then accesses BNG1 by access node, and enterprise 2 monopolizes tie-in line 2, and accesses access node by tie-in line 2, then accesses BNG2 by access node.Enterprise 1 and enterprise 2 shared access node uplink port transmission bandwidth.Introduce business scheduling method under a kind of many wideband network gateways below in detail, comprise the steps:
501. access nodes detect the situation of change of the current bandwidth of uplink port, if when described uplink port current being detected utilized bandwidth is greater than predetermined threshold value, then send the report message carrying the remaining bandwidth information of described access node uplink port to BNG1.
It should be noted that, because enterprise 1 monopolizes tie-in line 1, and access access node by tie-in line 1, access BNG1's by access node again, that is, this tie-in line 1 only for transmitting the message between BNG1 to enterprise 1, thus, without the need to using information to send to BNG1 the bandwidth of tie-in line 1 or tie-in line 2, the bandwidth that BNG1 can obtain tie-in line 1 uses information.
Equally, because enterprise 2 monopolizes tie-in line 2, and access access node by tie-in line 2, access BNG2's by access node again, that is, this tie-in line 2 only for transmitting the message between BNG2 to enterprise 2, thus, without the need to using information to send to BNG2 the bandwidth of tie-in line 1 or tie-in line 2, the bandwidth that BNG2 can obtain tie-in line 2 uses information.
502. in like manner, sends the report message carrying the remaining bandwidth information of described access node uplink port to BNG2.
503. when there being new business to arrive BNG1, the remaining bandwidth current according to uplink port, and the bandwidth required for this new business carries out layering scheduling or access control to above-mentioned new business.
504., when another new business arrives BNG1, send query messages to access node.
Because the bandwidth of access node uplink port is in dynamic change, and the remaining bandwidth of access node active reporting uplink port carries out triggering reporting according to predetermined threshold value, after access node initiatively reports the remaining bandwidth of described access node uplink port to BNG1, the remaining bandwidth of above-mentioned access node uplink port may there occurs change, thus, now BNG1 is before carrying out access control to new business, the remaining bandwidth of the above-mentioned access node uplink port of real-time query, improves BNG1 carries out access control accuracy to new business.
After 505. access nodes receive above-mentioned query messages, the current residual bandwidth of inquiry access node uplink port;
And send report message according to ANCP agreement to BNG1, the current residual bandwidth information of the access node uplink port inquired described in described report message comprises.
Afterwards, BNG1 carries out access control according to above-mentioned report message to above-mentioned new business.
506, access node detects the current residual bandwidth of uplink port;
507, access node is when detecting that the current residual bandwidth of uplink port is less than described predetermined threshold value, illustrate that now access node uplink port no longer includes congested, now also can be sent the remaining bandwidth information of described access node uplink port by report message to BNG1.
508, in like manner, now access node also can send the remaining bandwidth information of described access node uplink port to BNG2 by report message.
If after BNG1 receives the report message in step 505, refuse above-mentioned new business and carry out access, now receive the report message in step 507 as BNG1 after, if the remaining bandwidth of described access node uplink port can meet the bandwidth needed for above-mentioned new business, then access is carried out to above-mentioned new business.
In embodiment illustrated in fig. 5, by access node when utilized bandwidth is greater than predetermined threshold value for uplink port current, or when receiving query messages, the current bandwidth sending uplink port to BNG uses information.When new business arrives, BNG uses information according to the current bandwidth of described uplink port, can judge whether the current bandwidth of described uplink port meets the bandwidth demand of described new business, if meet the bandwidth demand of described new business, then allow this new business to carry out access, otherwise carry out other process.Thus to avoid in prior art after new business access, current bandwidth due to uplink port cannot meet the bandwidth demand of new business and packet loss occurs, cause the wasting problem of the transmission bandwidth between BNG and access node, the embodiment of the present invention can improve the effective rate of utilization of downstream transmission bandwidth.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
In embodiment shown in Fig. 6, a kind of communicator is provided, comprises: acquiring unit 10 and transmitting element 11.
Described acquiring unit 10, the current bandwidth for obtaining tie-in line uses the current bandwidth of information and/or access node uplink port to use information; Described transmitting element 11 uses the current bandwidth of information and/or access node uplink port to use information for the current bandwidth of the tie-in line sending the acquisition of described acquiring unit 10 at least one wideband network gateway BNG, uses the current bandwidth of information and/or access node uplink port use information to dispatch or access control business to trigger at least one BNG described according to the current bandwidth of described tie-in line.
Above-mentioned communicator is specially access node, and the current bandwidth that this access node sends tie-in line to BNG uses the current bandwidth of information and/or access node uplink port to use information.When new business arrives, BNG uses the current bandwidth of information and/or access node uplink port to use information according to the current bandwidth of described tie-in line, can judge whether the current bandwidth of described tie-in line and/or access node uplink port meets the bandwidth demand of described new business, if meet the bandwidth demand of described new business, then allow this new business to carry out access, otherwise carry out other process.Thus to avoid in prior art after new business access, because the current bandwidth of tie-in line or access node uplink port cannot meet the bandwidth demand of new business and packet loss occurs, cause the wasting problem of the transmission bandwidth between BNG and access node, the embodiment of the present invention can improve the effective rate of utilization of downstream transmission bandwidth.
It should be noted that, the current bandwidth of described tie-in line uses information to comprise any one information following: the current residual bandwidth of the current residual bandwidth of particular flow rate classification, the current utilized bandwidth of described tie-in line or described tie-in line in the current utilized bandwidth of particular flow rate classification, described tie-in line in described tie-in line;
The current bandwidth of described access node uplink port uses information to comprise any one information following: the current residual bandwidth of the current residual bandwidth of particular flow rate classification, the current utilized bandwidth of described access node uplink port or described access node uplink port in the current utilized bandwidth of particular flow rate classification, described access node uplink port in described access node uplink port.
Described transmitting element 11 is specifically for sending report message according to Access Node Control Protocol ANCP agreement at least one BNG, and the current bandwidth that described report message comprises tie-in line uses the current bandwidth of information and/or access node uplink port to use information.
Optionally, described transmitting element 11 is specifically for detecting that access node carries out after multicast message copies, and the current bandwidth sending tie-in line at least one BNG uses the current bandwidth of information and/or access node uplink port to use information.Specifically can see access node associated description described in above-mentioned Fig. 2.
Optionally, as shown in Figure 7, above-mentioned communicator also comprises: query unit 12, and for when receiving the query messages that at least one BNG sends, the current bandwidth of inquiry tie-in line uses the current bandwidth of information and/or access node uplink port to use information;
Now, described transmitting element 11 uses the current bandwidth of information and/or access node uplink port to use information specifically for the current bandwidth sending the tie-in line that described query unit 12 inquires at least one BNG.Specifically can see the associated description of access node described in above-mentioned Fig. 3.
Optionally, described transmitting element 11 is when specifically for row port on access nodes current, utilized bandwidth is greater than predetermined threshold value, and the current bandwidth sending access node uplink port at least one BNG uses information.Specifically can see the associated description of access node described in above-mentioned Fig. 4.
Particularly, this predetermined threshold value can be on access nodes pre-configured, whether the current utilized bandwidth being compared access node uplink port by described transmitting element 11 is greater than predetermined threshold value, and row port on access nodes current is when utilized bandwidth is greater than predetermined threshold value, the current bandwidth sending access node uplink port at least one BNG uses information.
Certainly, also can increase a comparing unit on access nodes newly, whether this comparing unit is greater than predetermined threshold value for the current utilized bandwidth comparing access node uplink port.And when described comparing unit compares access node uplink port current utilized bandwidth is greater than predetermined threshold value, trigger the current bandwidth that described transmitting element sends access node uplink port at least one BNG and use information.This is not restricted.
It should be noted that: the acquiring unit 10 in this device embodiment, transmitting element 11 and query unit 12, be hardware.
Under the embodiment of the present invention is mainly used in many BNG network architecture, carry out business, in the process of layering scheduling or access process, the effective rate of utilization of downstream transmission bandwidth can being improved.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (10)
1. a business scheduling method under wideband network gateway more than, is characterized in that, be applied to the network architecture of multiple wideband network gateway BNG, described method comprises:
The current bandwidth obtaining tie-in line uses the current bandwidth of information and access node uplink port to use information;
The current bandwidth sending described tie-in line to multiple BNG uses the current bandwidth of information and access node uplink port to use information, uses the current bandwidth of information and access node uplink port to use information to dispatch or access control business to trigger described multiple BNG according to the current bandwidth of described tie-in line;
The described current bandwidth to multiple BNG transmission tie-in line uses the current bandwidth of information and access node uplink port to use information to comprise:
Row port on access nodes current is when utilized bandwidth is greater than predetermined threshold value, and the current bandwidth sending access node uplink port to multiple BNG uses information.
2. business scheduling method under many wideband network gateways according to claim 1, is characterized in that, the described current bandwidth to multiple BNG transmission tie-in line uses the current bandwidth of information and access node uplink port to use information also to comprise:
Send report message according to Access Node Control Protocol ANCP agreement to multiple BNG, the current bandwidth that described report message comprises tie-in line uses the current bandwidth of information and access node uplink port to use information.
3. business scheduling method under many wideband network gateways according to claim 1 and 2, is characterized in that, the described current bandwidth to multiple BNG transmission tie-in line uses the current bandwidth of information and access node uplink port to use information also to comprise:
Carry out after multicast message copies at access node, the current bandwidth sending tie-in line to multiple BNG uses the current bandwidth of information and access node uplink port to use information.
4. business scheduling method under many wideband network gateways according to claim 1 and 2, is characterized in that, also comprise:
When receiving the query messages that multiple BNG sends, the current bandwidth of inquiry tie-in line uses the current bandwidth of information and access node uplink port to use information;
The described current bandwidth to multiple BNG transmission tie-in line uses the current bandwidth of information and access node uplink port to use information also to comprise:
The current bandwidth of the tie-in line inquired described in sending to multiple BNG uses the current bandwidth of information and access node uplink port to use information.
5. business scheduling method under many wideband network gateways according to claim 1 and 2, it is characterized in that, the current bandwidth of described tie-in line uses information to comprise any one information following: the current residual bandwidth of the current residual bandwidth of particular flow rate classification, the current utilized bandwidth of described tie-in line or described tie-in line in the current utilized bandwidth of particular flow rate classification, described tie-in line in described tie-in line;
The current bandwidth of described access node uplink port uses information to comprise any one information following: the current residual bandwidth of the current residual bandwidth of particular flow rate classification, the current utilized bandwidth of described access node uplink port or described access node uplink port in the current utilized bandwidth of particular flow rate classification, described access node uplink port in described access node uplink port.
6. a communicator, is characterized in that, be applied to multiple wideband network gateway BNG network architecture, described communicator comprises:
Acquiring unit, the current bandwidth for obtaining tie-in line uses the current bandwidth of information and access node uplink port to use information;
Transmitting element, current bandwidth for sending from the tie-in line that described acquiring unit obtains to multiple BNG uses the current bandwidth of information and access node uplink port to use information, uses the current bandwidth of information and access node uplink port to use information to dispatch or access control business to trigger described multiple BNG according to the current bandwidth of described tie-in line;
Described transmitting element is when specifically for row port on access nodes current, utilized bandwidth is greater than predetermined threshold value, and the current bandwidth sending access node uplink port to multiple BNG uses information.
7. communicator according to claim 6, it is characterized in that, described transmitting element is concrete also for sending report message according to Access Node Control Protocol ANCP agreement to multiple BNG, and the current bandwidth that described report message comprises tie-in line uses the current bandwidth of information and access node uplink port to use information.
8. the communicator according to claim 6 or 7, it is characterized in that, described transmitting element is concrete also for detecting that access node carries out after multicast message copies, and the current bandwidth sending tie-in line to multiple BNG uses the current bandwidth of information and access node uplink port to use information.
9. the communicator according to claim 6 or 7, is characterized in that, also comprises:
Query unit, for when receiving the query messages that multiple BNG sends, the current bandwidth of inquiry tie-in line uses the current bandwidth of information and access node uplink port to use information;
The concrete current bandwidth also for sending the tie-in line that described query unit inquires to multiple BNG of described transmitting element uses the current bandwidth of information and access node uplink port to use information.
10. the communicator according to claim 6 or 7, it is characterized in that, the current bandwidth of described tie-in line uses information to comprise any one information following: the current residual bandwidth of the current residual bandwidth of particular flow rate classification, the current utilized bandwidth of described tie-in line or described tie-in line in the current utilized bandwidth of particular flow rate classification, described tie-in line in described tie-in line;
The current bandwidth of described access node uplink port uses information to comprise any one information following: the current residual bandwidth of the current residual bandwidth of particular flow rate classification, the current utilized bandwidth of described access node uplink port or described access node uplink port in the current utilized bandwidth of particular flow rate classification, described access node uplink port in described access node uplink port.
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| PCT/CN2011/074744 WO2011144100A2 (en) | 2011-05-27 | 2011-05-27 | Service scheduling method and apparatus under multiple broadband network gateways |
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| JP6397118B2 (en) * | 2014-09-05 | 2018-09-26 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ | Band usage information generation / report method, billing method, and base station |
| CN104869032B (en) * | 2015-04-22 | 2019-01-18 | 烽火通信科技股份有限公司 | A kind of method and system carrying out CAC detection by business layer bandwidth |
| CN106817629B (en) * | 2016-12-20 | 2020-04-28 | 北京华为数字技术有限公司 | Media information transmission method, device and system |
| CN108270654B (en) * | 2017-01-04 | 2020-11-03 | 中国移动通信集团广东有限公司 | VLAN automatic scheduling method and device |
| CN111181753B (en) * | 2018-11-12 | 2021-06-29 | 华为技术有限公司 | Dynamic bandwidth allocation method and related equipment |
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| CN101009700A (en) * | 2006-01-27 | 2007-08-01 | 华为技术有限公司 | Method, application and device for the user state identification in the network |
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| US8203943B2 (en) * | 2007-08-27 | 2012-06-19 | Cisco Technology, Inc. | Colored access control lists for multicast forwarding using layer 2 control protocol |
| CN101964757B (en) * | 2010-10-29 | 2012-07-11 | 中国电信股份有限公司 | Method and system for controlling quality of multi-service portfolio |
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| CN1633097A (en) * | 2005-01-11 | 2005-06-29 | 中国科学院计算技术研究所 | QoS scheduler for voice service in broadband wireless MAN and method thereof |
| CN101009700A (en) * | 2006-01-27 | 2007-08-01 | 华为技术有限公司 | Method, application and device for the user state identification in the network |
| CN101990250A (en) * | 2009-08-07 | 2011-03-23 | 华为技术有限公司 | Bandwidth management method, eNodeB, service gateway and communication system |
| CN102036167A (en) * | 2009-09-25 | 2011-04-27 | 中兴通讯股份有限公司 | Method and system for reporting resource state in resource management system |
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