CN102647353B - Message segment acquiring method and device - Google Patents
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- CN102647353B CN102647353B CN201210099574.XA CN201210099574A CN102647353B CN 102647353 B CN102647353 B CN 102647353B CN 201210099574 A CN201210099574 A CN 201210099574A CN 102647353 B CN102647353 B CN 102647353B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The embodiment of the invention discloses a message segment acquiring method and device, which are applied in the field of communication. The method disclosed by the embodiment of the invention comprises the following steps of: receiving message segments on a link of a bound group, and caching; counting the quantity of all message segments in a current cache; and when the quantity of the counted message segments is larger than or equal to a volume threshold value, acquiring the message segments in the cache. According to the embodiment of the invention, the cost and power consumption of a chip can be lowered.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of message fragment acquisition methods and device.
Background technology
Link bundling be by two communication apparatus between some physical links or logical links bind together, the link bound together realizes high-speed data transfer function.In link bundling, transmitter side forms bindings group with receiving terminal by some link bundlings and is connected, message is divided into several message fragments and is numbered in order by message fragment by transmitter side, and numbered for band message fragment is distributed in each link, receiving terminal is provided with point queue corresponding with every bar link, and receiving terminal can carry out the operation obtaining message fragment in order, concrete, if the minimum value of the numbering of message fragment conforms to desired value in all points of queues, then receiving terminal obtains the message fragment of numbering and conforming to desired value, and the numbering of this message fragment is added one as desired value, if the minimum value of message fragment numbering does not conform to desired value in all points of queues, then wait until all queue not empty or obtain time-out and mark and carry out the operation that time-out gets message fragment, namely the minimum message fragment of numbering is obtained, and the numbering of the message fragment of acquisition is added one as desired value.
In prior art, when the time that unit is classified as non-null states exceedes timeout threshold, send time-out mark, the operation that time-out gets message fragment is then carried out when receiving terminal obtains time-out mark, obtain the message fragment that numbering is minimum, and the numbering of the message fragment of acquisition is added one as desired value, this timeout threshold is generally the maximum delay time of link.
The present inventor finds in the research and practice process of above-mentioned prior art, need to start timer in prior art and determine whether that needs send time-out mark, and timer needs larger bit wide to realize, and each link needs to arrange a timer, arranging like this can make the cost of chip and power consumption greatly promote, particularly when the number of links of bindings group is more time.
Summary of the invention
The embodiment of the present invention provides the message fragment acquisition methods and device that can lower chip cost and power consumption.
A kind of message fragment acquisition methods, comprising: receive the message fragment on the link of bindings group and buffer memory; All message fragment numbers of statistics current cache; When the message fragment number of described statistics is more than or equal to capacity threshold, obtain the message fragment in buffer memory.
A kind of message fragment acquisition device, comprising: burst receiving element, the message fragment on the link receiving also buffer memory bindings group; Statistic unit, is provided with capacity threshold, for adding up the message fragment number of burst receiving element buffer memory, and sends super appearance mark when the value of statistic unit statistics is more than or equal to capacity threshold to sorting processor; Sorting processor, for obtaining the message fragment of burst receiving element buffer memory when receiving super appearance mark.
In the technical scheme that the embodiment of the present invention provides, capacity is utilized to replace the time as the foundation obtaining message fragment, when the quantity of the message fragment of buffer memory is greater than capacity threshold, carry out the operation obtaining burst, compared with timing statistics in prior art, because accounting message burst number can realize with the counter of little bit wide, required buffer memory and power consumption little, therefore the message fragment acquisition methods that provides of the embodiment of the present invention and device can lower cost and the power consumption of chip.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is message fragment acquisition methods first embodiment schematic diagram in the embodiment of the present invention;
Fig. 2 is message fragment acquisition methods second embodiment schematic diagram in the embodiment of the present invention;
Fig. 3 is message fragment acquisition device first embodiment schematic diagram in the embodiment of the present invention;
Fig. 4 is message fragment acquisition device second embodiment schematic diagram in 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.
The embodiment of the present invention provides message fragment acquisition methods and device.Be described in detail respectively below.
Refer to Fig. 1, in the embodiment of the present invention, message fragment acquisition methods first embodiment comprises:
101, the message fragment on the link of bindings group is received and buffer memory;
Receiving terminal receives the message fragment on the link of bindings group and is buffered in the storage area of receiving terminal.
102, all message fragment numbers of current cache are added up;
All message fragment numbers of receiving terminal statistics current cache, in the present embodiment, counter can be utilized to add up all message fragment numbers of current cache, when receiving terminal receives a message fragment, the value of counter adds one, when being obtained a message fragment in buffer memory by step 103 or other modes, the value of counter subtracts one, and the message fragment number using the value of counter as statistics.
103, when the message fragment number of described statistics is more than or equal to capacity threshold, the message fragment in buffer memory is obtained.
Sorting processor can be comprised at receiving terminal, receiving terminal is provided with capacity threshold, when the message fragment number added up is more than or equal to capacity threshold, send to sorting processor and mark super appearance, when sorting processor receives super appearance mark, obtain the message fragment in buffer memory, shift out buffer memory by message fragment and carry out other process, make the message fragment number in receiving terminal current cache be less than capacity threshold.
In the present embodiment, capacity is utilized to replace the time as the foundation obtaining message fragment, when the quantity of the message fragment of buffer memory is greater than capacity threshold, receiving terminal carries out the operation obtaining burst, compared with timing statistics in prior art, because accounting message burst number can realize with the counter of little bit wide, required buffer memory and power consumption little, the message fragment acquisition methods that therefore embodiment of the present invention provides can lower cost and the power consumption of chip.
Refer to Fig. 2, in the embodiment of the present invention, message fragment acquisition methods second embodiment comprises:
201, the message fragment on the link of bindings group is received and buffer memory;
Receiving terminal comprises a point queue, described message fragment is with numbering, message is divided into several message fragments and is numbered in order by message fragment by transmitter side, and the numbered message fragment of band is distributed in each link of bindings group, and the corresponding point of queue of every bar link of bindings group in receiving terminal, described point of queue receives the message fragment in respective links and is buffered in point queue.
202, judge in buffer memory, whether have the lowest number of message fragment to conform to preset desired value, if be judged as YES, then perform step 203, if be judged as NO, then perform step 204;
Receiving terminal comprises sorting processor, preset the desired value that initial value is zero in sorting processor, in the buffer memory of all points of queues, have the lowest number of message fragment to conform to desired value, then perform step 203, if the minimum value of message fragment does not conform to desired value, then perform step 204.
203, obtain the message fragment that described numbering conforms to preset desired value, and upgrade described preset desired value;
Sorting processor obtains the message fragment that described numbering conforms to desired value, the numbering obtaining message fragment is added one as desired value, and performs step 204.
204, the message fragment number of buffer memory in each point of queue is added up respectively;
Receiving terminal adds up the message fragment number of buffer memory in each point of queue respectively, in the present embodiment, queue counter is utilized to add up the message fragment number of buffer memory in each point of queue respectively, the each point of corresponding queue counter of queue, when a point queue receives a burst, the value of corresponding queue counter adds one, when sorting processor obtains the message fragment in point queue buffer memory, the value of corresponding queue counter subtracts one, and using the message fragment number of the value of individual queue counter as point queue of correspondence, in other embodiments, when the value of queue counter is more than or equal to the queue thresholds preset, sorting processor obtains the message fragment in point queue buffer memory corresponding to this queue counter.
205, using the message fragment number of the message fragment number sum of described each point of queue as statistics;
Receiving terminal is using the message fragment number of the message fragment number sum of described each point of queue as statistics, in the present embodiment, utilize cluster counters to add up the message fragment number sum of each point of queue, all queue counters are connected with cluster counters, when there being the value of queue counter to add for the moment, the value of cluster counters adds one, subtracts for the moment when there being the value of counter, the value of cluster counters subtracts one, and using the message fragment number of the value of cluster counters as statistics.
206, when the message fragment number of described statistics is more than or equal to capacity threshold, obtain in all message fragments of current cache and number minimum message fragment and upgrade described preset desired value according to described lowest number.
Receiving terminal is provided with capacity threshold, when the message fragment number added up is more than or equal to capacity threshold, send to sorting processor and mark super appearance, when sorting processor receives super appearance mark, obtain in all message fragments of current cache and number minimum message fragment, make the message fragment number in buffer memory be less than capacity threshold, and upgrade desired value according to described lowest number, be specially and this lowest number is added one as desired value.
In the present embodiment, capacity is utilized to replace the time as the foundation obtaining message fragment, when the quantity of the message fragment of buffer memory is greater than capacity threshold, sorting processor carries out the operation obtaining burst, compared with timing statistics in prior art, because the counter of accounting message burst number by little bit wide realizes, required buffer memory and power consumption little, the message fragment acquisition methods that therefore embodiment of the present invention provides can lower cost and the power consumption of chip.
Wherein, the value of capacity threshold can be:
Rate variance maximum scale value in each link and number of links subtract the product of, with
The product that maximum traffic delay in each link and number of links subtract one divided by add after the amount of bits of message fragment one and additive value;
Formula is as follows:
Capacity threshold=X × (n-1)+Y × (n-1)/m
Wherein X is the rate variance maximum scale value in each link, Y is the maximum traffic delay in each link, n is the number of links in bindings group, m is the amount of bits of message fragment, regulation is saved: the rate variance maximum ratio of each link is 1: 4 according to 802.3ah-2004 standard 61, maximum traffic delay between each link is the 15000bit time, this value that can obtain X is had to be 4, the value of Y is 15000, according to formula above, only need to know the amount of bits of number of links in bindings group and message fragment, both capacity threshold can be calculated, and the amount of bits of message fragment is conveniently arranged usually, then only need know that the number of links of bindings group just can arrange capacity threshold, arrange conveniently, and can apply under the scene that the rate variation scope of link is large, and a bindings group only need be arranged once, substantially increase flexibility and practicality.
Or the value of capacity threshold also can be:
The ratio sum of the minimum-rate in the speed of each link and all links, with
The transmission delay of each link deducts the additive value divided by the amount of bits sum of message fragment after the minimal propagation delay in all links;
Formula is as follows:
Wherein V
ithe speed of link i, V
minfor the minimum-rate in all links, Y
ifor the transmission delay of link i, Y
minfor the minimal propagation delay in all links, n is number of links, and m is the bit number of message fragment, such as, has 4 links in bindings group, and link 1, link 2, link 3 and link 4, the speed of its link 1 is minimum, and transmission delay is minimum, then V
1for the speed of link 1, and V
minequal V
1, Y
1for the transmission delay of link 1, and Y
minequal Y
iif use above-mentioned formulae discovery capacity threshold, then need the speed and the transmission delay that obtain each link in advance, but the capacity threshold arranged with this formula is more accurate.
Refer to Fig. 3, in the embodiment of the present invention, message fragment acquisition device 30 first embodiment comprises:
Burst receiving element 301, is connected with the link 300 of bindings group, for receiving the message fragment on the link 300 of also buffer memory bindings group; Burst receiving element 301 receives the message fragment on the link 300 of bindings group and is buffered in the storage area of burst receiving element 301.
Statistic unit 302, be connected with burst receiving element 301, being provided with capacity threshold, for adding up the message fragment number of burst receiving element 301 buffer memory, and sending super appearance mark when the value that statistic unit 302 is added up is more than or equal to capacity threshold to sorting processor 303; In the present embodiment, statistic unit 302 can utilize counter to add up the message fragment number of burst receiving element 301 buffer memory, when burst receiving element 301 receives a message fragment, the value of counter adds one, when sorting processor 303 obtains a message fragment of buffer memory in burst receiving element 301, the value of counter subtracts one, and the value of adding up using the value of counter as statistic unit 302, send to sorting processor 303 when the value of counter and the value of statistic unit 302 statistics are more than or equal to capacity threshold and mark super appearance.
Sorting processor 303, is connected with burst receiving element 301 and statistic unit 302, for receive super hold mark time obtain the message fragment of burst receiving element 301 buffer memory, obtain message fragment and comprise message fragment is shifted out burst receiving element 301.
In the present embodiment, capacity is utilized to replace the time as the foundation obtaining message fragment, when the quantity of the message fragment of buffer memory is greater than capacity threshold, sorting processor carries out the operation obtaining burst, compared with timing statistics in prior art, because accounting message burst number can realize with the counter of little bit wide, required buffer memory and power consumption little, the message fragment acquisition device that therefore embodiment of the present invention provides can lower cost and the power consumption of chip.
Refer to Fig. 4, in the embodiment of the present invention, acquisition device 30 second embodiment of message fragment, more excellent, on the basis of acquisition device 30 first embodiment of message fragment in embodiments of the present invention:
Described message fragment is with numbering, described burst receiving element 301 comprises and divides queue 3011 one to one with the link 300 of described bindings group, statistic unit 302 comprises and point queue priority-queue statistic unit 3021 and the group statistic unit 3022 that is all connected with priority-queue statistic unit 3021 all in statistic unit 302 one to one, wherein
Divide queue 3011, connect with the link 300 of corresponding bindings group respectively, for receiving the message fragment on the link 300 of the also bindings group that buffer memory is corresponding; Queue 3011 is divided to receive the message fragment on link corresponding to bindings group 300 and be buffered in the storage area of point queue 3011;
Priority-queue statistic unit 3021, connect with a corresponding point queue 3011 respectively, for the message fragment number of buffer memory in point queue 3011 for adding up correspondence, in the present embodiment, priority-queue statistic unit 3021 is queue counter, the value of the queue counter corresponding when point queue 3011 receives a burst adds one, when sorting processor 303 obtains the message fragment in point queue 3011 buffer memory, the value of corresponding queue counter subtracts one, the value of the value that priority-queue statistic unit 3021 is added up and queue counter, in other embodiments, priority-queue statistic unit 3021 is provided with queue thresholds, when the value of priority-queue statistic unit 3021 statistics and the value of queue counter are more than or equal to queue thresholds, sorting processor 303 obtains the message fragment in this point of queue buffer memory,
Group statistic unit 3022, be provided with capacity threshold, be connected with priority-queue statistic unit 3021 all in statistic unit 302, for adding up the value that in statistic unit 302, all priority-queue statistic unit 3021 are added up, and the value that the value of adding up to organize statistic unit 3022 is added up as statistic unit 302, when the value organizing statistic unit 3022 statistics is more than or equal to capacity threshold, group statistic unit 3022 sends to sorting processor 303 and marks super appearance, in the present embodiment, group statistic unit 3022 is cluster counters, add for the moment when there being the value of queue counter, the value of cluster counters adds one, subtract for the moment when there being the value of counter, the value of cluster counters subtracts one, the value of the value that group statistic unit 3022 is added up and cluster counters,
Sorting processor 303, preset the desired value that initial value is zero, sorting processor 303 is further used for obtaining the message fragment that in burst receiving element 301, lowest number conforms to desired value, and number minimum message fragment when receiving the super appearance mark that statistic unit 302 sends in acquisition current slice receiving element 301, and upgrade described preset desired value according to the numbering obtaining message fragment, be specially and the numbering obtaining message fragment is added one as desired value.
In the present embodiment, because the counter of accounting message burst number by little bit wide realizes, required buffer memory and power consumption little, therefore message fragment acquisition device provided by the invention can lower cost and the power consumption of chip.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, and storage medium can comprise: read-only memory (ROM), random access memory (RAM), disk or CD etc.
The message fragment acquisition methods provided the embodiment of the present invention above and device are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a message fragment acquisition methods, is characterized in that, comprising:
Receive the message fragment on the link of bindings group and buffer memory;
All message fragment numbers of statistics current cache;
When the message fragment number of described statistics is more than or equal to capacity threshold, obtain the message fragment in buffer memory;
The value of described capacity threshold, is specially:
Rate variance maximum scale value in each link and number of links subtract the product of, with
The product that maximum traffic delay in each link and number of links subtract one divided by add after the amount of bits of message fragment one and additive value, wherein said maximum traffic delay take bit as numerical value corresponding to dimension; Or
The ratio sum of the minimum-rate in the speed of each link and all links, with
The transmission delay of each link deducts the additive value divided by the amount of bits sum of message fragment after the minimal propagation delay in all links, and wherein said transmission delay and described minimal propagation delay are all take bit as numerical value corresponding to dimension.
2. message fragment acquisition methods according to claim 1, it is characterized in that, the corresponding point queue of every bar link of described bindings group, described point of queue receives the message fragment in also buffer memory respective links, and all message fragment numbers of described statistics current cache specifically comprise:
Add up the message fragment number of buffer memory in each point of queue respectively;
Using the message fragment number of the message fragment number sum of described each point of queue as statistics.
3. message fragment acquisition methods according to claim 2, is characterized in that, described add up the message fragment number of buffer memory in each point of queue respectively after comprise:
When the message fragment number of buffer memory is more than or equal to queue thresholds in described point of queue, obtain the message fragment in this point of queue buffer memory.
4. message fragment acquisition methods according to claim 1, is characterized in that,
Message fragment on the link of described reception bindings group also comprises after buffer memory:
If there is the lowest number of message fragment to conform to preset desired value in buffer memory, then obtain the message fragment that described numbering conforms to preset desired value, and upgrade described preset desired value.
5. message fragment acquisition methods according to claim 4, is characterized in that,
Message fragment in described acquisition buffer memory specifically comprises:
Obtain in all message fragments of current cache and number minimum message fragment;
Described preset desired value is upgraded according to described lowest number.
6. a message fragment acquisition device, is characterized in that, comprising:
Burst receiving element, the message fragment on the link receiving also buffer memory bindings group;
Statistic unit, be provided with capacity threshold, for adding up the message fragment number of burst receiving element buffer memory, and send super appearance mark when the value of statistic unit statistics is more than or equal to capacity threshold to sorting processor, wherein, the value of described capacity threshold, is specially: the rate variance maximum scale value in each link and number of links subtract the product of, the product subtracting with the maximum traffic delay in each link and number of links divided by add after the amount of bits of message fragment one and additive value; Or the ratio sum of minimum-rate in the speed of each link and all links, the additive value divided by the amount of bits sum of message fragment after the minimal propagation delay in all links is deducted with the transmission delay of each link; Wherein, described maximum traffic delay, described transmission delay and described minimal propagation delay are all take bit as numerical value corresponding to dimension;
Sorting processor, for obtaining the message fragment of burst receiving element buffer memory when receiving super appearance mark.
7. message fragment acquisition device according to claim 6, is characterized in that,
Described burst receiving element comprises and divides queue one to one with the link of described bindings group, for receiving and the message fragment of buffer memory respective links,
Described statistic unit comprises and point queue priority-queue statistic unit and the group statistic unit that is all connected with priority-queue statistic unit all in statistic unit one to one, wherein
Priority-queue statistic unit, for adding up the corresponding message fragment number dividing buffer memory in queue;
Group statistic unit, for adding up the value of all priority-queue statistic unit statistics, and using the value that the value organizing statistic unit statistics is added up as statistic unit.
8. the message fragment acquisition device according to claim 6 or 7, it is characterized in that, described message fragment is with numbering, described sorting processor presets desired value, sorting processor is further used for obtaining the message fragment that in burst receiving element, lowest number conforms to desired value, and number minimum message fragment when receiving super appearance mark in acquisition current slice receiving element, and upgrade described preset desired value according to the numbering obtaining message fragment.
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| CN102777799B (en) * | 2012-07-23 | 2014-08-13 | 贵州光浦森光电有限公司 | Construction method of universal LED bulb, and clamp ring lens type LED bulb |
| CN104113491A (en) | 2013-04-22 | 2014-10-22 | 中兴通讯股份有限公司 | Data transmission method and device |
| CN104639298B (en) * | 2013-11-08 | 2019-11-22 | 腾讯科技（深圳）有限公司 | A kind of data transmission method, apparatus and system |
| EP3761571B1 (en) | 2018-03-22 | 2022-06-22 | Huawei Technologies Co., Ltd. | Method, device and system for handling message fragmentation |
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| CN101123580A (en) * | 2007-09-11 | 2008-02-13 | 华为技术有限公司 | Packet transmission method and base station device |
| CN101656639A (en) * | 2009-08-27 | 2010-02-24 | 华为技术有限公司 | Empty identifying method, device and receiving equipment for MLPPP link |
| CN101662461A (en) * | 2008-08-27 | 2010-03-03 | 华为技术有限公司 | Method, device and system for recombining multilink protocol fragment data |
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| JP5541293B2 (en) * | 2009-12-03 | 2014-07-09 | 日本電気株式会社 | Packet receiving apparatus, packet communication system, and packet order control method |
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| CN101123580A (en) * | 2007-09-11 | 2008-02-13 | 华为技术有限公司 | Packet transmission method and base station device |
| CN101662461A (en) * | 2008-08-27 | 2010-03-03 | 华为技术有限公司 | Method, device and system for recombining multilink protocol fragment data |
| CN101656639A (en) * | 2009-08-27 | 2010-02-24 | 华为技术有限公司 | Empty identifying method, device and receiving equipment for MLPPP link |
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