CN104104622A - Packet switching equipment and business processing method - Google Patents
Packet switching equipment and business processing method Download PDFInfo
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- CN104104622A CN104104622A CN201310130482.8A CN201310130482A CN104104622A CN 104104622 A CN104104622 A CN 104104622A CN 201310130482 A CN201310130482 A CN 201310130482A CN 104104622 A CN104104622 A CN 104104622A
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Abstract
The invention discloses packet switching equipment, which comprises a master card and interface cards, wherein the master card is used for processing low-switching bandwidth business accessed to the interface cards and whose bandwidth is lower than the preset threshold; the interface cards are connected with the master card via a bus; the number of the interface cards is no less than four; and the interface cards provide interfaces for the low-switching bandwidth business whose switching bandwidth is lower than the preset threshold. The invention also discloses a packet switching business processing method. By adopting the technical scheme of the invention, the packet switching equipment provides reliable support for multiple kinds of service and switching bandwidth resources of the packet switching equipment are fully made use of.
Description
Technical field
The present invention relates to packet-switch technology, be specifically related to a kind of PSE and method for processing business thereof.
Background technology
PSE be take switching card as core, by inner line card, corresponding service interface is provided and processes business, in order to promote traffic handing capacity, the line slot of PSE designs by the switching bandwidth of PSE (also becoming Gbps) conventionally, there are 320 gigabit (G such as one, Giga) megabit per second (Mbps, Million bits per second) design of the PSE of switching bandwidth provides 8 line slots, and each line slot has 40G Mbps switching bandwidth.
Because class of business in network is various, both comprised time division multiplexing (TDM, Time Division Multiplex) business, also the business that comprises packetizing, every kind of needed packet switching bandwidth of business is different, traditional PSE provides Supporting multi-services by the mode of child and parent card conventionally, wherein, master card tie-in line slot also provides the unified Business Processing interface towards switching network, at master card access subcard, by subcard, provide the interface towards different kinds of business, current 1 master card can support 2 to 4 sub-clampings to enter, at subcard, provide while providing interface towards low switching bandwidth business, fail to make full use of the disposal ability of groove position switching bandwidth, while supporting 96 E1 interfaces such as a line card by the mode of child and parent card, reached the line slot outlet ability upper limit, but 96 not enough 200Mbps of switching bandwidth that E1 interface takies, be far smaller than the switching bandwidth disposal ability of line slot, cause the waste of line slot switching bandwidth resource, increased the cost of supporting low switching bandwidth business, and the mode of blocking by letter provides Supporting multi-services, if master card lost efficacy, access the business that the subcard of master card supports and also lost efficacy simultaneously, poor reliability.
Therefore, how both to have guaranteed that PSE can provide reliable support to multiple business, made full use of again the switching bandwidth resource of grouping interactive device, and reduced and support low switching bandwidth operating cost, become problem demanding prompt solution.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of PSE and method for processing business thereof, makes PSE provide reliable support to multiple business, makes full use of the switching bandwidth resource of grouping interactive device.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of PSE, described PSE comprises: master card and interface card; Wherein,
Described master card, the bandwidth accessing for the treatment of described interface card is lower than the low switching bandwidth business of predetermined threshold value;
Described interface card accesses described master card by bus, and described interface card quantity is no less than four, and described interface card provides the interface lower than the low switching bandwidth business of predetermined threshold value towards switching bandwidth.
In such scheme, the quantity of described master card is two, and two master cards are respectively primary master card and standby master card; When primary master card lost efficacy, enable standby master card and process the bandwidth of described interface card access lower than the low switching bandwidth business of predetermined threshold value, former primary master card changes to standby master card;
Accordingly, described interface card carries out bus switch when standby master card is enabled.
In such scheme, described PSE also comprises power board, and described power board connects master card by bus, and described power board provides the interface lower than the low switching bandwidth business of predetermined threshold value towards bandwidth;
Accordingly, described master card, for arriving described power board by the low switching bandwidth service convergence accessing by described interface card.
In such scheme, described PSE also comprises line card, for the broadband services of access being converged to power board by surpass the interface of the broadband services of predetermined threshold value towards switching bandwidth;
Wherein, described line card accesses described power board by bus.
The present invention also provides a kind of method for processing business based on above-mentioned PSE, and the method comprises:
While primary master card inefficacy being detected, enable standby master card and process the bandwidth of described interface card access lower than the low switching bandwidth business of predetermined threshold value, make former primary master card change to standby master card;
And when enabling, standby master card carries out bus switch.
In such scheme, the method also comprises:
Master card by the bandwidth accessing by described interface card lower than the low switching bandwidth service convergence of predetermined threshold value to described power board;
Described power board connects described master card by bus, and described power board provides the interface lower than the low switching bandwidth business of predetermined threshold value towards bandwidth.
In such scheme, the method also comprises:
Line card converges to power board by surpass the interface of the broadband services of predetermined threshold value towards switching bandwidth by the broadband services of access; Wherein, described line card accesses described power board by bus.
PSE provided by the present invention, described PSE comprises: master card and interface card; Wherein, described master card, the bandwidth accessing for the treatment of described interface card is lower than the low switching bandwidth business of predetermined threshold value; Described interface card accesses described master card by bus, and described interface card quantity is no less than four, and described interface card provides the interface lower than the low switching bandwidth business of predetermined threshold value towards switching bandwidth; So, make PSE provide reliable support to multiple business, make full use of the switching bandwidth resource of grouping interactive device.
Accompanying drawing explanation
The composition structural representation of the PSE that Fig. 1 provides for first embodiment of the invention;
The composition structural representation of the PSE that Fig. 2 provides for second embodiment of the invention;
Fig. 3 is the application schematic diagram of PSE of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is further described in more detail.
Fig. 1 is the composition structural representation of PSE of the present invention, and as shown in Figure 1, described PSE comprises: master card 11 and interface card 12; Wherein,
Described master card 11, the bandwidth accessing for the treatment of described interface card is lower than the low switching bandwidth business of predetermined threshold value;
Described interface card 12 accesses described master card 11 by bus, and described interface card 12 quantity are no less than four, and described interface card 12 provides the interface lower than the low switching bandwidth business of predetermined threshold value towards switching bandwidth.
Here, described female slot support is no less than the interface card of the low switching bandwidth business of four, and the quantity of described interface card can comprehensively be determined according to equipment slots position resource and master card disposal ability; Each interface card connects by corresponding bus with motherboard;
Described interface card is externally realized Business Processing separately on the one hand; to system side, provide the interface lower than the low switching bandwidth business of predetermined threshold value towards switching bandwidth on the other hand, and on the basis of legacy interface card, by newly-increased service bus and protection control signal, realize and master card between defencive function.
Further, the quantity of described master card is two, as shown in Figure 2, the composition structural representation of the PSE that Fig. 2 provides for second embodiment of the invention, two master cards are respectively primary master card and standby master card; Two master cards form active and standby plate level protection, when primary master card lost efficacy, enable standby master card and process the bandwidth of described interface card access lower than the low switching bandwidth business of predetermined threshold value, and former primary master card changes to standby master card; Accordingly, described interface card carries out bus switch when standby master card starts.
Here, when two master cards are all normal, activestandby state is determined by setting in advance or powering on to compete.
Further, described PSE also comprises power board 13, and described power board connects master card 11 by bus, and described power board 13 system side provide the interface lower than the low switching bandwidth business of predetermined threshold value towards bandwidth;
Accordingly, described master card 11, for arriving described power board 13 by the low switching bandwidth service convergence by described interface card 12 accesses.
Further, described PSE also comprises line card 14, for the broadband services of access being converged to power board 13 by surpass the interface of the broadband services of predetermined threshold value towards switching bandwidth;
Wherein, described line card 14 accesses described power board 13 by bus.
Fig. 3 is the application schematic diagram of PSE of the present invention, as shown in Figure 3, this figure is the vertical view of described equipment, as can be seen from the figure, this equipment can provide and reach 28 bandwidth lower than the interface card slot position of the low switching bandwidth business of predetermined threshold value, and comprise the master card that two bandwidth are processed lower than the low switching bandwidth service set of predetermined threshold value, 14 bandwidth surpass the line slot of the broadband services processing of predetermined threshold value, and, power board, power panel, system interface unit, master control borad, cabling district, fan inserting box etc.
Based on above-mentioned PSE, the present invention also provides a kind of packet switching service processing method, the method comprises: while primary master card inefficacy being detected, enable standby master card and process the bandwidth of described interface card access lower than the low switching bandwidth business of predetermined threshold value, make former primary master card change to standby master card;
And when enabling, standby master card carries out bus switch.
Here, the quantity of described interface card is no less than four;
Described interface card accesses described master card by bus, and described interface card provides the interface lower than the low switching bandwidth business of predetermined threshold value towards switching bandwidth.
Further, the method also comprises:
Master card by the bandwidth accessing by described interface card lower than the low switching bandwidth service convergence of predetermined threshold value to described power board;
Described power board connects described master card by bus, and described power board system side provides the interface lower than the low switching bandwidth business of predetermined threshold value towards bandwidth.
Further, the method also comprises:
Line card converges to power board by surpass the interface of the broadband services of predetermined threshold value towards switching bandwidth by the broadband services of access; Wherein, described line card accesses described power board by bus.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.All any modifications of doing within the spirit and scope of the present invention, be equal to and replace and improvement etc., within being all included in protection scope of the present invention.
Claims (7)
1. a PSE, is characterized in that, described PSE comprises: master card and interface card; Wherein,
Described master card, the bandwidth accessing for the treatment of described interface card is lower than the low switching bandwidth business of predetermined threshold value;
Described interface card accesses described master card by bus, and described interface card quantity is no less than four, and described interface card provides the interface lower than the low switching bandwidth business of predetermined threshold value towards switching bandwidth.
2. PSE according to claim 1, is characterized in that, the quantity of described master card is two, and two master cards are respectively primary master card and standby master card; When primary master card lost efficacy, enable standby master card and process the bandwidth of described interface card access lower than the low switching bandwidth business of predetermined threshold value, former primary master card changes to standby master card;
Accordingly, described interface card carries out bus switch when standby master card is enabled.
3. PSE according to claim 2, is characterized in that, described PSE also comprises power board, and described power board connects master card by bus, and described power board provides the interface lower than the low switching bandwidth business of predetermined threshold value towards bandwidth;
Accordingly, described master card, for arriving described power board by the low switching bandwidth service convergence accessing by described interface card.
4. PSE according to claim 3, is characterized in that, described PSE also comprises line card, for the broadband services of access being converged to power board by surpass the interface of the broadband services of predetermined threshold value towards switching bandwidth;
Wherein, described line card accesses described power board by bus.
5. the method for processing business based on PSE claimed in claim 1, is characterized in that, the method comprises:
While primary master card inefficacy being detected, enable standby master card and process the bandwidth of described interface card access lower than the low switching bandwidth business of predetermined threshold value, make former primary master card change to standby master card;
And when enabling, standby master card carries out bus switch.
6. method according to claim 5, is characterized in that, the method also comprises:
Master card by the bandwidth accessing by described interface card lower than the low switching bandwidth service convergence of predetermined threshold value to described power board;
Described power board connects described master card by bus, and described power board provides the interface lower than the low switching bandwidth business of predetermined threshold value towards bandwidth.
7. method according to claim 6, is characterized in that, the method also comprises:
Line card converges to power board by surpass the interface of the broadband services of predetermined threshold value towards switching bandwidth by the broadband services of access; Wherein, described line card accesses described power board by bus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310130482.8A CN104104622B (en) | 2013-04-15 | 2013-04-15 | A kind of packet switching equipment and its method for processing business |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310130482.8A CN104104622B (en) | 2013-04-15 | 2013-04-15 | A kind of packet switching equipment and its method for processing business |
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| CN104104622A true CN104104622A (en) | 2014-10-15 |
| CN104104622B CN104104622B (en) | 2019-05-21 |
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Citations (4)
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| US20030028635A1 (en) * | 2000-06-09 | 2003-02-06 | Dement Jeffrey M. | Network interface redundancy |
| CN1642135A (en) * | 2004-01-17 | 2005-07-20 | 华为技术有限公司 | GGSN/PDSN device and its data forwarding method |
| CN1874237A (en) * | 2005-06-03 | 2006-12-06 | 华为技术有限公司 | An access device and access method |
| CN101039192A (en) * | 2007-02-12 | 2007-09-19 | 华为技术有限公司 | Communication system and method for processing communication service |
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2013
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030028635A1 (en) * | 2000-06-09 | 2003-02-06 | Dement Jeffrey M. | Network interface redundancy |
| CN1642135A (en) * | 2004-01-17 | 2005-07-20 | 华为技术有限公司 | GGSN/PDSN device and its data forwarding method |
| CN1874237A (en) * | 2005-06-03 | 2006-12-06 | 华为技术有限公司 | An access device and access method |
| CN101039192A (en) * | 2007-02-12 | 2007-09-19 | 华为技术有限公司 | Communication system and method for processing communication service |
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| CN104104622B (en) | 2019-05-21 |
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