CN104104622B - A kind of packet switching equipment and its method for processing business - Google Patents
A kind of packet switching equipment and its method for processing business Download PDFInfo
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- CN104104622B CN104104622B CN201310130482.8A CN201310130482A CN104104622B CN 104104622 B CN104104622 B CN 104104622B CN 201310130482 A CN201310130482 A CN 201310130482A CN 104104622 B CN104104622 B CN 104104622B
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Abstract
The invention discloses a kind of packet switching equipment, the packet switching equipment includes: master card and interface card；Wherein, the master card, the bandwidth for handling the interface card access are lower than the low exchange band width service of preset threshold；The interface card accesses the master card by bus, and the interface card quantity is no less than four, and the interface card provides the interface towards exchange bandwidth lower than the low exchange band width service of preset threshold.The invention also discloses a kind of packet switching service processing methods.Using technical solution of the present invention, so that packet switching equipment is provided reliable support to multiple business, make full use of the exchange bandwidth resources of grouping interactive device.
Description
Technical field
The present invention relates to packet-switch technologies, and in particular to a kind of packet switching equipment and its method for processing business.
Background technique
Packet switching equipment provides corresponding service interface and processing business using switching card as core, by internal line card, is
Promotion traffic handing capacity, the line card slot position of packet switching equipment usually (are also become by the exchange bandwidth of packet switching equipment
Gbps) it is designed, for example one has 320 gigabits (G, Giga) megabit per second (Mbps, Million bits per
Second the packet switching equipment design for) exchanging bandwidth provides 8 line card slot positions, then each line card slot position is handed over 40G Mbps
Tape swapping is wide.
It had both included time division multiplexing (TDM, Time Division Multiplex) industry since type of business is various in network
Business also includes the business of packetizing, and packet switch bandwidth required for every kind of business is different, and traditional packet switching equipment is usual
Supporting multi-services are provided using the mode of child and parent card, wherein master card tie-in line slot simultaneously provides the unification towards switching network
Business processing interface accesses subcard in master card, provides the interface towards different kinds of business by subcard, current 1 master card can prop up
Hold 2 to 4 sons be clamped into, subcard provide towards low exchange band width service offer interface when, fail that slot position is made full use of to exchange
The processing capacity of bandwidth, such as a line card support that line card slot position is had reached when 96 E1 interfaces to be gone out by way of child and parent card
The line ability upper limit, but 96 E1 interfaces occupy exchange bandwidth less than 200Mbps, far smaller than at the exchange bandwidth of line card slot position
Reason ability causes the waste of line card slot position exchange bandwidth resources, increases the cost for supporting low exchange band width service；Also, it is logical
The mode for crossing letter card is provided to Supporting multi-services, if master card fails, it is also same to access the business that the subcard of master card is supported
When fail, poor reliability.
Therefore, how not only to have guaranteed that packet switching equipment can provide multiple business reliable support, but also made full use of grouping
The exchange bandwidth resources of interactive device reduce and support low exchange band width service cost, become urgent problem to be solved.
Summary of the invention
In view of this, making the main purpose of the present invention is to provide a kind of packet switching equipment and its method for processing business
Packet switching equipment provides reliable support to multiple business, makes full use of the exchange bandwidth resources of grouping interactive device.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
The present invention provides a kind of packet switching equipment, the packet switching equipment includes: master card and interface card；Wherein,
The master card, the bandwidth for handling the interface card access are lower than the low exchange band width service of preset threshold；
The interface card accesses the master card by bus, and the interface card quantity is no less than four, and the interface card mentions
For the interface towards exchange bandwidth lower than the low exchange band width service of preset threshold.
In above scheme, the quantity of the master card is two, and two master cards are respectively primary master card and spare master card；It is primary
When master card fails, low exchange band width service of the bandwidth lower than preset threshold that spare master card handles the interface card access is enabled,
Former primary master card is changed to spare master card；
Correspondingly, the interface card, carries out bus switch when spare master card enables.
In above scheme, the packet switching equipment further includes power board, and the power board connects master card, institute by bus
It states power board and the interface for being lower than the low exchange band width service of preset threshold towards bandwidth is provided；
Correspondingly, the master card, for the low exchange band width service accessed by the interface card to be converged to the friendship
Change plate.
In above scheme, the packet switching equipment further includes line card, for by being more than default threshold towards exchange bandwidth
The broadband services of access is converged to power board by the interface of the broadband services of value；
Wherein, the line card accesses the power board by bus.
The present invention also provides a kind of method for processing business based on above-mentioned packet switching equipment, this method comprises:
When detecting the failure of primary master card, enables spare master card and handle the bandwidth of the interface card access lower than preset threshold
Low exchange band width service, so that former primary master card is changed to spare master card；
And bus switch is carried out when spare master card enables.
In above scheme, this method further include:
Master card converges to the bandwidth accessed by the interface card lower than the low exchange band width service of preset threshold described
Power board；
The power board connects the master card by bus, and the power board provides low lower than preset threshold towards bandwidth
Exchange the interface of band width service.
In above scheme, this method further include:
Line card is converged the broadband services of access by the interface towards exchange bandwidth more than the broadband services of preset threshold
To power board；Wherein, the line card accesses the power board by bus.
Packet switching equipment provided by the present invention, the packet switching equipment include: master card and interface card；Wherein, institute
Master card is stated, the bandwidth for handling the interface card access is lower than the low exchange band width service of preset threshold；The interface cartoon
It crosses bus and accesses the master card, the interface card quantity is no less than four, and the interface card is provided towards exchange bandwidth lower than pre-
If the interface of the low exchange band width service of threshold value；In this way, packet switching equipment is made to provide reliable support, sufficiently benefit to multiple business
With the exchange bandwidth resources of grouping interactive device.
Detailed description of the invention
Fig. 1 is the composed structure schematic diagram for the packet switching equipment that first embodiment of the invention provides；
Fig. 2 is the composed structure schematic diagram for the packet switching equipment that second embodiment of the invention provides；
Fig. 3 is the application schematic diagram of packet switching equipment of the present invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further described in more detail.
Fig. 1 is the composed structure schematic diagram of packet switching equipment of the present invention, as shown in Figure 1, the packet switching equipment packet
It includes: master card 11 and interface card 12；Wherein,
The master card 11, the bandwidth for handling the interface card access are lower than the low exchange band width service of preset threshold；
The interface card 12 accesses the master card 11 by bus, and 12 quantity of interface card is no less than four, described to connect
Mouth card 12 provides the interface towards exchange bandwidth lower than the low exchange band width service of preset threshold.
Here, the master card slot position supports the interface card of no less than four low exchange band width services, the interface card
Quantity can be determined according to equipment slot position resource and master card processing capacity are comprehensive；Each interface card and motherboard by corresponding bus into
Row connection；
On the one hand the interface card externally realizes respective business processing, on the other hand provide system side towards exchange band
Width is lower than the interface of the low exchange band width service of preset threshold, and passes through newly-increased service bus on the basis of legacy interface card
And protection control signal realizes the defencive function between master card.
Further, the quantity of the master card is two, as shown in Fig. 2, Fig. 2 is point that second embodiment of the invention provides
The composed structure schematic diagram of group switching equipment, two master cards are respectively primary master card and spare master card；Two master cards constitute active and standby
The protection of plate grade, when primary master card fails, enable spare master card handle interface card access bandwidth it is low lower than preset threshold
Band width service is exchanged, former primary master card is changed to spare master card；Correspondingly, the interface card, carries out in the starting of spare master card
Bus switch.
Here, when two master cards are normal, activestandby state is determined by presetting or powering on competition.
Further, the packet switching equipment further includes power board 13, and the power board connects master card 11 by bus,
13 system side of power board provides the interface towards bandwidth lower than the low exchange band width service of preset threshold；
Correspondingly, the master card 11, for the low exchange band width service accessed by the interface card 12 to be converged to institute
State power board 13.
Further, the packet switching equipment further includes line card 14, for by being more than default threshold towards exchange bandwidth
The broadband services of access is converged to power board 13 by the interface of the broadband services of value；
Wherein, the line card 14 accesses the power board 13 by bus.
Fig. 3 is the application schematic diagram of packet switching equipment of the present invention, as shown in figure 3, the figure is the top view of the equipment,
It can be seen from the figure that the equipment can provide up to 28 bandwidth lower than the interface card slot of the low exchange band width service of preset threshold
Position, and including two bandwidth lower than the master card that the low exchange band width service of preset threshold focuses on, 14 bandwidth are more than pre-
If the line card slot position that the broadband services of threshold value is handled, and, power board, power panel, system interface unit, master control borad, cabling area, wind
Fan subrack etc..
Based on above-mentioned packet switching equipment, the present invention also provides a kind of packet switching service processing method, this method packets
Include: when detecting the failure of primary master card, enable spare master card handle interface card access bandwidth it is low lower than preset threshold
Band width service is exchanged, former primary master card is made to be changed to spare master card；
And bus switch is carried out when spare master card enables.
Here, the quantity of the interface card is no less than four；
The interface card accesses the master card by bus, and the interface card, which is provided, is lower than preset threshold towards exchange bandwidth
Low exchange band width service interface.
Further, this method further includes:
Master card converges to the bandwidth accessed by the interface card lower than the low exchange band width service of preset threshold described
Power board；
The power board connects the master card by bus, and the power board system side, which is provided, is lower than default threshold towards bandwidth
The interface of the low exchange band width service of value.
Further, this method further includes:
Line card is converged the broadband services of access by the interface towards exchange bandwidth more than the broadband services of preset threshold
To power board；Wherein, the line card accesses the power board by bus.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and scope of the present invention is all contained in protection model of the invention
Within enclosing.
Claims (3)
1. a kind of packet switching equipment, which is characterized in that the packet switching equipment includes: power board, master card, line card and interface
Card；Wherein,
The master card, the bandwidth for handling the interface card access are lower than the low exchange band width service of preset threshold；
The interface card accesses the master card by bus, and the interface card quantity is no less than four, and the interface card provides face
Interface to exchange bandwidth lower than the low exchange band width service of preset threshold；
The power board connects the master card by bus, and the power board provides the low exchange for being lower than preset threshold towards bandwidth
The interface of band width service；Correspondingly, the master card, the low exchange band width service convergence for being also used to access by the interface card
To the power board；
The line card accesses the power board by bus, for passing through the broadband industry towards exchange bandwidth more than preset threshold
The broadband services of access is converged to the power board by the interface of business.
2. packet switching equipment according to claim 1, which is characterized in that the quantity of the master card is two, two mothers
Card is respectively primary master card and spare master card；When primary master card fails, the band that spare master card handles the interface card access is enabled
Width is lower than the low exchange band width service of preset threshold, and former primary master card is changed to spare master card；
Correspondingly, the interface card, carries out bus switch when spare master card enables.
3. a kind of method for processing business based on packet switching equipment described in claim 1, which is characterized in that this method packet
It includes:
Low exchange band width service of the master card by the bandwidth accessed by interface card lower than preset threshold converges to power board；
The power board connects the master card by bus, and the power board provides the low exchange for being lower than preset threshold towards bandwidth
The interface of band width service；
The broadband services of access is converged to institute by the interface towards exchange bandwidth more than the broadband services of preset threshold by line card
State power board；Wherein, the line card accesses the power board by bus；
When detecting the failure of primary master card, enable spare master card handle interface card access bandwidth it is low lower than preset threshold
Band width service is exchanged, former primary master card is made to be changed to spare master card；And bus switch is carried out when spare master card enables.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
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| CN104104622A CN104104622A (en) | 2014-10-15 |
| CN104104622B true CN104104622B (en) | 2019-05-21 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6678369B2 (en) * | 2000-06-09 | 2004-01-13 | Nms Communications Corporation | Network interface redundancy |
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2013
- 2013-04-15 CN CN201310130482.8A patent/CN104104622B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN104104622A (en) | 2014-10-15 |
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