CN104202109A - Automatic selection method of internal time slot of SDH (synchronous digital hierarchy) equipment - Google Patents
Automatic selection method of internal time slot of SDH (synchronous digital hierarchy) equipment Download PDFInfo
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- CN104202109A CN104202109A CN201410460638.3A CN201410460638A CN104202109A CN 104202109 A CN104202109 A CN 104202109A CN 201410460638 A CN201410460638 A CN 201410460638A CN 104202109 A CN104202109 A CN 104202109A
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Abstract
The invention provides an automatic selection method of internal time slot of SDH (synchronous digital hierarchy) equipment. The automatic selection method includes uniformly numbering information sources of crossover information and sink ports of a TST low-order crossover network of the SDH equipment; traversing S-grade control storages of the TST low-order crossover network and allocating available spare time slot z for cross connection point (x, y) which is configured newly; selecting an internal time slot from the spare time slot z to perform service configuration; according to mode of TST network configuration and the selected time slot, completing write operation of the TST network control storages to achieve increment issue service. The failure of issue caused by network congestion during the increment issue service on the condition of the spare time slot existing in the TST low-order crossover network is avoided, the circumstance of achieving the issue service on the premise of multiple attempts on the condition of random allocation of time slot is avoided, and service configuration efficiency is increased effectively.
Description
Technical field
The present invention relates to low order interlace algorithm network in SDH (Synchronous Digital Hierarchy) (SDH) optical transmission system, the internal time slot automatic selecting method of TST low order interlace algorithm Network configuration in especially a kind of SDH equipment.
Background technology
The SDH website that is widely used in transmission network is the basis of the various communication services of carrying.In the website of SDH network, cross-connect module is the basis of carrying out business configuration, and it distributes the business on wiring board and tributary card, is the bridge between circuit and tributary signal, is that SDH station data is processed key one ring distributing.In the application of the cross connect function of existing network business configuration, occur that sometimes business configuration interface display has vacant time slot, but occur internal blocking during the configuration of incremental distribution new business, issue the situation of failure.
When there are the problems referred to above, normally by operating personnel, observe the vacant time slot of indicating in webmaster, select at random vacant time slot to be configured, after conventionally needing to attempt repeatedly, just can choose real vacant time slot, successful incremental distribution business.
Summary of the invention
While issuing configuration for TST low order interlace algorithm network using incremental distribution mode in SDH equipment, at Internet resources, there is vacant situation still may occur the problem of network congestion, internal time slot automatic selecting method when the present invention proposes a kind of business configuration, avoids when available free route incremental distribution business configuration to occur blocking, issuing the situation of failure.
Internal time slot automatic selecting method in a kind of SDH equipment provided by the invention, comprising:
The numbering that the information source of intersection information of the TST low order interlace algorithm network in SDH equipment and the expression of stay of two nights port are unitized;
Travel through the S level control storage of described TST low order interlace algorithm network, for the new interconnection (x, y) configuring distributes available vacant time slot z;
From described vacant time slot z, select an internal time slot to carry out business configuration;
According to the mode of TST network configuration, the internal time slot according to selecting, completes writing of TST network control storage, realizes incremental distribution business.
Wherein, the described numbering that the information source of intersection information of the TST low order interlace algorithm network in SDH equipment and the expression of stay of two nights port are unitized, comprising:
Low order line port to the T level input of described TST low order interlace algorithm network is numbered No1 according to the order of sequence; Low order circuit to the inferior T level output of described TST low order interlace algorithm network is numbered No2 according to the order of sequence; Wherein, (No1, No2) represents an interconnection;
For j VC-12 frame on the input bus of i road, the information source of its input numbering No1 is (i*63+j-1), and for j VC-12 frame on the output bus of i road, the stay of two nights of its output numbering No2 is (i*63+j-1).
Wherein, travel through the S level control storage of described TST low order interlace algorithm network, for the new interconnection (x, y) configuring distributes available vacant time slot z, comprising:
Travel through the p row of the S level control storage of described TST low order interlace algorithm network, the capable S level control storage of q unit;
Interconnection distribution internal time slot for new configuration, meeting under the prerequisite of above-mentioned condition, [y/63] inserted to [x/63] row [z] row S level control storage unit of S level control storage, the free timeslot that all z that meet predetermined condition can use for this cross business;
Wherein, predetermined condition is for inserting the content in each S level control storage unit in data and every a line and can not equate in each S level control storage unit.
Implement the present invention, there is following beneficial effect:
Compared to existing technology, the present invention can avoid having under the condition of vacant time slot at TST low order interlace algorithm network, incremental distribution business occurs that network congestion causes issuing the situation of failure, avoided Random assignment time slot need to attempt repeatedly could successful issuing service situation, effectively improved the efficiency of configuration service.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is internal time slot automatic selecting method schematic flow sheet in a kind of SDH equipment provided by the invention;
Fig. 2 is the schematic diagram of S level control storage in internal time slot automatic selecting method in a kind of SDH equipment provided by the invention.
Embodiment
Referring to Fig. 1, internal time slot automatic selecting method in a kind of SDH equipment provided by the invention, comprising:
Step 100, the numbering that the information source of intersection information of the TST low order interlace algorithm network in SDH equipment and the expression of stay of two nights port are unitized;
It should be noted that: the TST low order interlace algorithm network in SDH is divided into three grades, the S level of first and second time-division switching T level and space switching.T level has all configured data storage and control storage, and S level has configured the switching of switching node in control storage control inputs bus.T DBMS memory stores is representing the numbering of VC-12 frame, and a T level control storage is controlled reading of VC-12 frame, and the 2nd T level control storage is controlled writing of VC-12 frame, and the memory of each T level all contains 63 memory cell.S level control storage is used for controlling each input bus, and the control storage of the S level of every input bus is provided with 63 unit.TST crossover network, according to cross-coupled input, output port and the internal time slot of configuration, completes writing of each memory in network, can finishing service exchange.
Wherein, the transmission path of net load in the expression TST network that interconnection represents, is specifically related to input port, output port and shared internal time slot.
Configuration during interconnection, is specified input and output port, and the method provides available internal time slot selective automatically, and after selecting a time slot, an interconnection has just configured.
The numbering that the information source of intersection information of the TST low order interlace algorithm network in SDH equipment and the expression of stay of two nights port are unitized is specially: the low order line port to a T level input of described TST low order interlace algorithm network is numbered No1 according to the order of sequence; Low order circuit to the inferior T level output of described TST low order interlace algorithm network is numbered No2 according to the order of sequence; Wherein, (No1, No2) represents an interconnection;
For j VC-12 frame on the input bus of i road, the information source of its input numbering No1 is (i*63+j-1), and for j VC-12 frame on the output bus of i road, the stay of two nights of its output numbering No2 is (i*63+j-1), wherein 0≤i; 1≤j≤63.Wherein, VC-12 frame is the channel resource in ST network, carries different net loads.Net load, by packing in VC-12, transmits in network.
Step 101, travels through the S level control storage of described TST low order interlace algorithm network, for the interconnection (x, y) of new configuration distributes available vacant time slot z;
Concrete, the meaning that the interconnection (x, y) of new configuration represents is: specify a cross-coupled input and output port, by the unitized numbering of step 100, this interconnection is (x, y).
Wherein, each control storage unit of S level control storage can be numbered by (p, q), and wherein p is row, and q is row.The p row of S level control storage, q line storage unit content is wherein i.
Represent that a cross-coupled input port is at input bus p, output port, at output bus i, takies internal time slot q.
Each memory cell that is S level control storage has a cross-coupled input/output bus and this three dot information of internal time slot taking.
The S level control storage that travels through described TST low order interlace algorithm network is specially the p row of the S level control storage of the described TST low order interlace algorithm network of traversal, the capable S level control storage of q unit;
Interconnection distribution internal time slot for new configuration, meeting under the prerequisite of above-mentioned condition, [y/63] inserted to [x/63] row [z] row S level control storage unit of S level control storage, the free timeslot that all time slot z that meet predetermined condition can use for this cross business;
Wherein, predetermined condition is for inserting the content in each S level control storage unit in data and every a line and can not equate in each S level control storage unit.
Step 102 selects an internal time slot to carry out business configuration from described vacant time slot z;
Step 103, according to the mode of TST network configuration, the internal time slot according to selecting, completes writing of TST network control storage, realizes incremental distribution business.
Below by a concrete example, the specific embodiment of the present invention is described.
Suppose successfully to have issued business (No1=8, No2=255) and (No1=590, No2=327) in TST low order interlace algorithm network that a cross-capacity is 1008*1008VC-12, and distributed internal time slot 2 and 60.Now S level control storage as shown in Figure 2, control storage cell S C[0] [2]=4, control storage cell S C[9] [60]=5, other control storage unit are empty.
Present new business (No1=591, No2=254) of incremental distribution.Calculate [591/63]=9, [254/63]=4, need to insert 4 in capable at 9 row z of S level control storage.The control storage unit of S level must meet the following conditions: 1, data can only be inserted in each unit.2, in every a line, the content in each unit can not equate.
Each control storage unit of traversal S level control storage, the numerical value that can be met the z of condition has in 0-62 the number except 2 and 60, therefore provide 0,1,3-59,61,62 these 61 time slots are selected for operating personnel.The business configuration that operating personnel select one of them time slot z1 to carry out (No1=591, No2=254) can be avoided blocking, issuing service success.System is according to the mode of TST network configuration, and the internal time slot z1 according to selecting, completes writing of control storage, wherein the cell S C[9 of S level control storage] [z1] insert 4, successful incremental distribution business.
Implement the present invention, there is following beneficial effect:
Compared to existing technology, the present invention can avoid having under the condition of vacant time slot at TST low order interlace algorithm network, incremental distribution business occurs that network congestion causes issuing the situation of failure, avoided Random assignment time slot need to attempt repeatedly could successful issuing service situation, effectively improved the efficiency of configuration service.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, to come the hardware that instruction is relevant to complete by computer program, described program can be stored in a computer read/write memory medium, this program, when carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (3)
1. an internal time slot automatic selecting method in SDH equipment, is characterized in that, comprising:
The numbering that the information source of intersection information of the TST low order interlace algorithm network in SDH equipment and the expression of stay of two nights port are unitized;
Travel through the S level control storage of described TST low order interlace algorithm network, for the new interconnection (x, y) configuring distributes available vacant time slot z;
From described vacant time slot z, select an internal time slot to carry out business configuration;
According to the mode of TST network configuration, the internal time slot according to selecting, completes writing of TST network control storage, realizes incremental distribution business.
2. internal time slot automatic selecting method in SDH equipment as claimed in claim 1, is characterized in that, the described numbering that the information source of intersection information of the TST low order interlace algorithm network in SDH equipment and the expression of stay of two nights port are unitized, comprising:
Low order line port to the T level input of described TST low order interlace algorithm network is numbered No1 according to the order of sequence; Low order circuit to the inferior T level output of described TST low order interlace algorithm network is numbered No2 according to the order of sequence; Wherein, (No1, No2) represents an interconnection;
For j VC-12 frame on the input bus of i road, the information source of its input numbering No1 is (i*63+j-1), and for j VC-12 frame on the output bus of i road, the stay of two nights of its output numbering No2 is (i*63+j-1).
3. internal time slot automatic selecting method in SDH equipment as claimed in claim 2, is characterized in that, travels through the S level control storage of described TST low order interlace algorithm network, for the new interconnection (x, y) configuring distributes available vacant time slot z, comprising:
Travel through the p row of the S level control storage of described TST low order interlace algorithm network, the capable S level control storage of q unit;
Interconnection distribution internal time slot for new configuration, meeting under the prerequisite of above-mentioned condition, [y/63] inserted to [x/63] row [z] row S level control storage unit of S level control storage, the free timeslot that all z that meet predetermined condition can use for this cross business;
Wherein, predetermined condition is for inserting the content in each S level control storage unit in data and every a line and can not equate in each S level control storage unit.
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| CN101860772A (en) * | 2009-04-10 | 2010-10-13 | 华为技术有限公司 | Method and device for crossing time slot |
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| CN1459933A (en) * | 2002-05-23 | 2003-12-03 | 深圳市中兴通讯股份有限公司 | Method of circuit business automatic distribution in synchronous digital system optical transmission system |
| CN1521975A (en) * | 2003-01-29 | 2004-08-18 | 华为技术有限公司 | Method of cross connection in SDH equipment |
| WO2006024226A1 (en) * | 2004-08-29 | 2006-03-09 | Huawei Technologies Co., Ltd. | A means and method for achieving butt-contact with the advanced exchange platform |
| WO2006102824A1 (en) * | 2005-04-01 | 2006-10-05 | Huawei Technologies Co., Ltd | A method for processing overhead of optical network and apparatus thereof |
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