connection mode and connectionless mode data link service

IEC 61158 3 data link service definition

IEC 61158 3 data link service definition

... Connection- mode Data Link Service 76 Facilities of the connection- mode Data Link Service 76 Model of the connection- mode Data Link Service 77 Quality of connection- mode service ... 125 Facilities of the connectionless -mode Data Link Service 125 Model of the connectionless -mode Data Link Service 125 Quality of connectionless -mode service 127 Sequence ... Facilities of the connectionless -mode Data Link Service 240 Model of the connectionless -mode Data Link Service 240 Sequence of primitives 241 Connectionless -mode data transfer...

Ngày tải lên: 04/04/2014, 12:28

322 470 2
ứng dụng của vhf data link mode 4 trong môi trường cns atm

ứng dụng của vhf data link mode 4 trong môi trường cns atm

... tương tự) + HF – (thoại tương tự) + VHF Data link: VDL Mode2 – (dữ liệu), VDL mode3 - (thoại liệu), VDL mode4 - (dữ liệu) + SSR Mode S - (dữ liệu) + HF Data link – (dữ liệu) Các dịch vụ thông tin ... Capability - Tính khởi tạo liên kết liệu VDL Mode Data Link Services - Các dịch vụ VDL Mode Distance Measuring Equipment - Thiết bị đo khoảng cách Directory of Services - Bản tin danh sách dịch vụ European ... không vùng lãnh thổ Việt Nam Luận văn “ ỨNG DỤNG CỦA VHF DATA LINK MODE TRONG MÔI TRƯỜNG CNS/ ATM ” nghiên cứu công nghệ kỹ thuật VHF Data Link Mode 4, liên kết liệu số sử dụng sóng VHF phương tiện...

Ngày tải lên: 22/11/2012, 09:13

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Báo cáo hóa học: " Research Article Combined Rate and Power Allocation with Link Scheduling in Wireless Data Packet Relay Networks with Fading Channels" pptx

Báo cáo hóa học: " Research Article Combined Rate and Power Allocation with Link Scheduling in Wireless Data Packet Relay Networks with Fading Channels" pptx

... associated with x(t) and y(t) as the incoming and outgoing links, respectively Transmission takes place across a channel if and only if the channel is active We model x(t) and y(t) by two independent ... single transmitting source node Let x(t) and y(t) denote, respectively, the channel link gain between the source and relay, and that between the relay and destination, where t takes values from ... bottleneck links, and increases network reliability [17] In our relay model, we assume that (i) at the wireless links, data packets are sent using a spread spectrum scheme, and furthermore, (ii)...

Ngày tải lên: 22/06/2014, 19:20

17 403 0
Data storage and retrieval for social network services

Data storage and retrieval for social network services

... nonblob data and blob data Finally, we makes a conclusion and a sketch of future work in Chapter 7 Chapter Related Work 2.1 Relational Database Relational data model is the most popular data model and ... thesis makes the following contributions: Data Model and Storage Investigate a novel graph data model and storage for nonblob data in social network services Data Partition Social network graphs are ... relationships 2.4 Semistructured Data Model and Storage In semistructured model, there is no separation between the data and the schema Semistructured model can well model the data sources which cannot be...

Ngày tải lên: 04/10/2015, 10:24

88 248 0
nghiên cứu về tầng vật lý (physical) và tầng liên kết dữ liệu (Data Link) của mô hình OSI

nghiên cứu về tầng vật lý (physical) và tầng liên kết dữ liệu (Data Link) của mô hình OSI

... Network Data Link Physical 802.10 802.3 802.4 802.5 802.6 802 802.9 802.11 802.12 Mối quan hệ tiêu chủân IEEE 802 mô hình OSI IEEE 802.1(High Level Interface):Tiêu chuẩn với tầng Data Link mô ... thiết bị phụ trợ có tên modem Những năm gần đây, modem trở thành thiết bị phụ trợ ghép nối quen thuộc với nhiều ngời sử dụng máy PC Modem dùng để điều biến /giải chế Các modem dùng để kết nối thiết ... Tóm lại Data Link chịu trách nhiệm chuyển khung liệu không lỗi từ nút mạng sang nút mạng khác thông qua tầng vật lý Thông thờng gửi khung liệu chờ tín hiệu báo nhận từ nút nhận Tầng Data Link nút...

Ngày tải lên: 23/08/2013, 10:37

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Microsoft SQL Server 2000 Data Transformation Services- P6

Microsoft SQL Server 2000 Data Transformation Services- P6

... 1—DTSTransformPhase_PreSourceData THE MULTIPHASE DATA PUMP Creating a Multiphase Data Pump in Code 244 DTS Connections and the Data Transformation Tasks PART II • 2—DTSTransformPhase_PostSourceData • 4—DTSTransformPhase_Transform ... task’s transformation mode The Transformation Modes The Parallel Data Pump task has three distinct modes of operation—hierarchical, flattened, and data driven query The choice of mode involves two ... once in the transformation Data Driven Query Mode Data driven query mode is identical to flattened mode except that the Parallel Data Pump task functions like the Data Driven Query task You choose...

Ngày tải lên: 17/10/2013, 23:15

50 432 0
Microsoft SQL Server 2000 Data Transformation Services- P7

Microsoft SQL Server 2000 Data Transformation Services- P7

... DestinationServer • SourceDatabase and DestinationDatabase • SourceLogin and DestinationLogin • SourcePassword and DestinationPassword • SourceUseTrustedConnection and DestinationUseTrustedConnection 13 ... Unicode data in your data, you must use widechar or widenative to bulk insert your data and widechar are used for inserting data from a file that has character fields Native and use a variety of data ... UserID = sConnectionUserID Password = sConnectionPassword ‘If User ID is empty string, use trusted connection If sConnectionUserID = “” Then UseTrustedConnection = True Else UseTrustedConnection...

Ngày tải lên: 20/10/2013, 17:15

50 415 0
Microsoft SQL Server 2000 Data Transformation Services- P8

Microsoft SQL Server 2000 Data Transformation Services- P8

... which databases to copy and which databases to move FIGURE 15.2 The Transfer Databases dialog shows you which databases you are allowed to copy or move NOTE If you move a database, that database ... 334 Other Data Movement and Manipulation Tasks PART III The five tasks described in this chapter are the ones used by the Copy Database Wizard to move databases and associated meta data from ... data along with the transfer of databases SQL Server stores most of the meta data needed for database manipulation inside each individual database, but there is a significant amount of meta data...

Ngày tải lên: 20/10/2013, 17:15

50 390 0
Microsoft SQL Server 2000 Data Transformation Services- P9

Microsoft SQL Server 2000 Data Transformation Services- P9

... cubes and data mining models with the underlying data The purpose of the Analysis Services Processing task is to automate the processing of cubes and data mining models After you have loaded new data ... patterns to new data so that you can predict an unknown value The Analysis Services Processing task updates your cubes and data mining models so that they contain the most current data The Data Mining ... of the Data Mining Prediction Query task all have descriptive names: • Name • Server, Database, • InputDatasource • OutputDatasource and Description for the task as a whole and MiningModel for...

Ngày tải lên: 24/10/2013, 16:15

50 383 0
Microsoft SQL Server 2000 Data Transformation Services- P10

Microsoft SQL Server 2000 Data Transformation Services- P10

... Meta Data Services • By default, Meta Data Services is located in the SQL Server msdb database If you create a package using Visual Basic, you can specify a different Meta Data Services database ... DTSSQLStgFlag_UseTrustedConnection pkg.RemoveFromSQLServer “(local)”, , , _ DTSSQLStgFlag_UseTrustedConnection, _ FirstPackageID Saving DTS Packages in Meta Data Services Microsoft Meta Data Services provides a standard ... RepositoryServerName—The • RepositoryDatabaseName—The server where this instance of Meta Data Services is stored database where this instance of Meta Data Services is located • RepositoryUserName—The...

Ngày tải lên: 24/10/2013, 16:15

50 459 0
Microsoft SQL Server 2000 Data Transformation Services- P11

Microsoft SQL Server 2000 Data Transformation Services- P11

... menu, and then select either Import Data or Export Data • Select Tools, Data Transformation Services from the menu Select either Import Data or Export Data • Highlight the SQL Server node and select ... two data connections, and only two One of the connections is going to be used as the data source, and the other is going to be used as the data destination Rapid Development with the Copy Database ... data is modified in a non-supported data connection as a part of a DTS transaction, a runtime error will be generated and the task and the package will fail You can use a non-supported data connection...

Ngày tải lên: 28/10/2013, 23:15

50 459 0
Microsoft SQL Server 2000 Data Transformation Services- P12

Microsoft SQL Server 2000 Data Transformation Services- P12

... “SSPI” oConnection.ConnectionProperties(“Persist Security Info”) = True oConnection.ConnectionProperties(“Initial Catalog”) = “pubs” oConnection.ConnectionProperties( Data Source”) = “(local)” oConnection.ConnectionProperties(“Application ... oConnection.DataSource = “(local)” oConnection.ConnectionTimeout = 60 oConnection.Catalog = “pubs” oConnection.UseTrustedConnection = True oConnection.UseDSL = False ‘If you have a password for this connection, ... oConnection.ConnectionProperties(“Application Name”) = _ “DTS Designer” oConnection.Name = “Pubs Connection oConnection.ID = oConnection.Reusable = True oConnection.ConnectImmediate = False oConnection.DataSource...

Ngày tải lên: 28/10/2013, 23:15

50 442 0
Customer satisfaction: review of literature and application to the product-service systems

Customer satisfaction: review of literature and application to the product-service systems

... differences in production and provision of products and services, customers evaluate quality and attributes of material goods and services in different ways (Mathe and 29 Shapiro 1993) This realisation ... experiences Expected service Perceived service quality Perceived service Figure Service Quality model (Parasuraman, Berry et al 1985) Box The determinants of service quality used in the model • • • • ... quality In services, a single employee may affect service efficiency and consequent customer satisfaction with the service (Barnard 2002) Even customers own involvement and participation in the service...

Ngày tải lên: 04/11/2013, 10:15

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Microsoft SQL Server 2000 Data Transformation Services- P13

Microsoft SQL Server 2000 Data Transformation Services- P13

... Meta Data Services with DTS Meta Data Services gives you a centralized place to store and access data transformation meta data Integrating DTS with Meta Data Services CHAPTER 29 589 Meta Data ... Uniform Modeling Language Information Model Database Information Model SQL Server Information Model Database Transformation Information Model OLAP Information Model Data Transformation Services ... is an information model for COM and another one for data types A generic model specifies the relationships between models The information models that relate to databases and data transformations...

Ngày tải lên: 07/11/2013, 20:15

50 369 0
Microsoft SQL Server 2000 Data Transformation Services- P14

Microsoft SQL Server 2000 Data Transformation Services- P14

... dynamically modify other connections, steps, and tasks in the DTS package You could use the AcquireConnection and ReleaseConnection methods of the Connection object to open and close connections needed ... cus.ConnectionID Then Call fctOutputTask (“Bulk Insert Connection ) End If Case “DTSDataPumpTask”, “DTSDataPumpTask2” If con.ID = cus.SourceConnectionID Then Call fctOutputTask (“Transform Data ... validate and process the data The four data structures are as follows: • DTSTransformColumnInfo—Contains DTSColumnData a count of the columns and pointers to the structures • DTSColumnData—Contains...

Ngày tải lên: 07/11/2013, 20:15

50 375 0
Microsoft SQL Server 2000 Data Transformation Services- P15

Microsoft SQL Server 2000 Data Transformation Services- P15

... 219-220 Data File Type property, 285 Data Lineage Fields field, 82, 85 Data Link files, 109-111 destination files Data Pump task, 661-662 Data Transform task, 47 Data Transformation Services, ... transformation, 169-170 mining models, 413, 419 missing data outer joins, 205 modeling, 80-82 modifying connections, 121-122 data, 201, 503 Description property, 368 packages, 568 Parallel Data Pump task, 248 ... child rowsets, 249 cleansing data, 89, 91 clearing objects, 317-320 clickstream data, 39-40, 60 CloseConnection property, 496 closing connections, 122-123, 480 clustering data, 67 code events, 42...

Ngày tải lên: 07/11/2013, 20:15

31 409 0
Tài liệu LoopStar® 714 and LoopStar® 718 Extend Ethernet Services to All Customers Over Readily Available T1/E1 Facilities docx

Tài liệu LoopStar® 714 and LoopStar® 718 Extend Ethernet Services to All Customers Over Readily Available T1/E1 Facilities docx

... Ethernet services over NxT1 and NxE1 • ‘Plug -and- Play’ design for easy installation, configuration and management • Proven management software with comprehensive and robust features • Standard ... T1/E1 loopbacks and PM Ethernet loopbacks and PM Ethernet cable testing with TDR WAN Protocol: RFC1661: Point-to-Point Protocol (PPP) and Link Control Protocol (LCP) RFC1990: PPP Multilink Protocol ... queuing, rate limiting and policing • Support for both Layer and Layer performance monitoring statistics, as well as facility alarms available over both the in-band management channel and the local management...

Ngày tải lên: 09/12/2013, 17:15

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Tài liệu Introduction for the security : Networks and exchanges of data Computer security The risks ppt

Tài liệu Introduction for the security : Networks and exchanges of data Computer security The risks ppt

... Introduction for the security    Networks and exchanges of data Computer security The risks Networks and exchanges of data  For the exchange of the data, we've changed the technology    The ... The interconnection for all these networks use Internet for the simple reasons :    Data shared with the clients and the partners Propose different services Profitability Networks and exchanges ... and exchanges of data   The connection between Internet and the company's network open a large way with a lot of persons They can use this solution and they obtain a lot of services But Inside...

Ngày tải lên: 09/12/2013, 17:22

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Tài liệu Reading and Writing Binary Data with SQL Server doc

Tài liệu Reading and Writing Binary Data with SQL Server doc

... Create the DataAdapter da = new SqlDataAdapter(selectCommand, ConfigurationSettings.AppSettings["Sql_ConnectString"]); da.UpdateCommand = new SqlCommand(updateCommand, da.SelectCommand .Connection) ; ... SET BlobData = @BlobData WHERE ID = " + Id; // Create the connection and command SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings["Sql_ConnectString"]); SqlCommand cmdWrite ... Create the DataSet ds = new DataSet( ); // Define select and update commands for the DataAdapter String selectCommand = "SELECT Id, Description FROM " + TABLENAME; String updateCommand = "UPDATE...

Ngày tải lên: 14/12/2013, 18:16

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Tài liệu Reading and Writing Binary Data with Oracle pdf

Tài liệu Reading and Writing Binary Data with Oracle pdf

... NET data provider handles CLOB and NCLOB data as Unicode Each character is therefore two bytes long See Recipe 9.12 for a general discussion about reading and writing BLOB data from and to a data ... // Create the connection and command OracleConnection conn = new OracleConnection( ConfigurationSettings.AppSettings["Oracle_ConnectString"]); OracleCommand cmd = new OracleCommand(sqlText, conn); ... FileMode.OpenOrCreate, FileAccess.Read); Byte[] blob = new Byte[fs.Length]; fs.Read(blob, 0, blob.Length); fs.Close( ); // Create a DataAdapter and table OracleDataAdapter da = new OracleDataAdapter("SELECT...

Ngày tải lên: 14/12/2013, 18:16

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