routing data across the network

Báo cáo hóa học: " Research Article Impact of LQI-Based Routing Metrics on the Performance of a One-to-One Routing Protocol for IEEE 802.15.4 Multihop Networks" docx

Báo cáo hóa học: " Research Article Impact of LQI-Based Routing Metrics on the Performance of a One-to-One Routing Protocol for IEEE 802.15.4 Multihop Networks" docx

... studies the performance of these routing metrics in the presence of background traffic Finally, Section concludes the paper with the main remarks and a discussion of future work Routing Protocol The routing ... messages); and (iii) they take into account the qualities of all the links of a path in the computation of the path cost 4.1 Hop Count Hop count was the default routing metric of the first routing protocols ... which the protocol tries to find a new route for the data The connectivity gap ends when the first data packet reaches the receiver after the path failure by using a new path Remarkably, the connectivity...

Ngày tải lên: 21/06/2014, 11:20

20 397 0
Securing the Network Infrastructure

Securing the Network Infrastructure

... with the network cable plant • Secure removable media • Harden network devices • Design network topologies Working with the Network Cable Plant • Cable plant: physical infrastructure of a network ... outside the protected network is not the primary security issue for most organizations • Focus is on protecting access to the cable plant in the internal network • An attacker who can access the ... independently of the network and can have their own applications installed • Server: computer on a network dedicated to managing and controlling the network • Basic steps to harden these systems...

Ngày tải lên: 17/09/2012, 10:43

56 407 0
Outsourcing the Network II - Green IT and SAN

Outsourcing the Network II - Green IT and SAN

... hub, router… Khả kết nối SAN • Thuộc lớp thấp: phần bao gồm kết nối thuộc tầng datalink network • Giao diện Ethernet: Ethernet thường sử dụng để kết nối máy chủ với máy chủ máy chủ với máy trạm • ... trữ() • Ba phương thức hợp lưu trữ phổ biến nay: – Network- Attached Storage (NAS) – Redundant array of independent disks (RAID) – Storage Area Network (SAN) Các công ty muốn từ kỹ thuật lưu trữ ... trình ứng dụng Mối liên quan việc lưu trữ truyền thống Hợp việc lưu trữ • SAN (Storage Area Network) NAS (Network Attached Storage) hai cách để tổ chức lại hệ thống vào nguồn lưu trữ máy chủ lớn...

Ngày tải lên: 17/09/2012, 10:43

61 896 1
Querying Data in the Framework

Querying Data in the Framework

... EntityDataReader What is missing is the data adapter with its capability to move incoming data into a DataTable or DataSet instance Considering all the other data- manipulation tools included with the ... processing of the query until you specifically request data Even then, it might decide to retrieve only the requested portion of the data Keeping the context around during the entire dataretrieval ... resultsAsTable.Rows.Add(oneRow); } These lines move the data from the reader into the preconfigured DataTable instance As is required by the sequential access flag used when creating the reader, the incoming fields...

Ngày tải lên: 03/10/2013, 00:20

22 298 0
Data Access and Networking

Data Access and Networking

... Background="White"> < /data: DataGrid> 10 Highlight the DataGrid definition in the solution and replace it with the following DataGrid definition, which is from the previous DataGrid ... DATA ACCESS AND NETWORKING ... /> < /data: DataGridTemplateColumn.CellTemplate> < /data: DataGridTemplateColumn>

Ngày tải lên: 05/10/2013, 03:20

16 381 0
The Network Switching Subsystem

The Network Switching Subsystem

... scenario, the old VLR hands over the related data to the new VLR There are times when the new VLR has to request the subscriber’s HLR for additional data This question then arises: Does the HLR ... sent to the HLR The HLR, in turn, forwards the triplets to the VLR, which uses them as input parameters for authentication and ciphering The Glossary provides a detailed description of the authentication ... the example of a roaming subscriber As the subscriber moves from one location to another, data are passed between the VLR of the location the subscriber is leaving (“old” VLR) to the VLR of the...

Ngày tải lên: 19/10/2013, 03:20

8 424 0
The Network Press - Encyclopedia of Networking - Second Edition

The Network Press - Encyclopedia of Networking - Second Edition

... Access Network A network attached to the trunk of a backbone network This type of connection usually requires a gateway or a router, depending on the types of networks that comprise the backbone network ... to assume that any subnetworks are under the control of network administrators, so that the internetwork administrator can concentrate on the connections between networks rather than those between ... AppleTalk network s s EtherTalk, Apple’s implementation of the 10 megabit per second (Mbps) Ethernet architecture Two versions of EtherTalk exist The earlier one, EtherTalk Phase 1, is modeled on the...

Ngày tải lên: 22/10/2013, 15:15

1.3K 464 0
Look both ways before crossing the network

Look both ways before crossing the network

... doesn’t provide a true picture of the network, only the specific point under test Cost roadblocks Network operators don’t always see the value of VAMs until after they experience a E C H N O L O ... without exposing the other fiber to the risk of breaking and taking down service Many transmission equipment vendors build in performance monitoring functions into their equipment There is a mistaken ... alarms is done at the path terminating points within long haul or metro routes, making it difficult to locate the exact point of the problem VAMs located at strategic points in the network simplify...

Ngày tải lên: 22/10/2013, 18:15

2 301 0
The Networking Letter

The Networking Letter

... enough to reach the ground.” The same applies here: supply as much data as it takes to make your point convincingly, and no more If the person you write is not the one making the hiring decision, ... economy has claimed another job mine! I had the honor of being selected to join a talented pool of employees who will get the axe at the end of the month, and so I am currently in the market for a ... organization You may have originated from the same area of the country or have attended the same educational institution Now is the time to reaffirm these connections Mention a mutual friend...

Ngày tải lên: 25/10/2013, 18:20

24 413 0
BUILDING HIGH-SPEED DATA OVER VOICE NETWORKS

BUILDING HIGH-SPEED DATA OVER VOICE NETWORKS

... environments and customer premise environments The major business challenge revolved around the timeline for the delivery of these new services, and the scale of the roll out An ambitious and assertive ... shipment to the end locations • Shipping and receiving at the final destinations As well, ADC pre-assembled and tested all the equipment prior to shipment to the worksite to ensure that all the equipment ... Test and turn-up • Provisioning of options to meet the requirements of the network • Commissioning and integration • End-to-end testing for network functionality • Preparation for remote monitoring...

Ngày tải lên: 27/10/2013, 00:15

4 262 0
Tài liệu Look both ways before crossing the network doc

Tài liệu Look both ways before crossing the network doc

... traffic The pattern is carried on the network or circuit under test, then test equipment at the receive point determines whether the transmission is successful (without errors) At this point, the ... luck, the CLEC can find the one or two prevent loss of business It people who are familiar with the gives the service provider equipment, then wait for them to go flexibility in choosing the test ... to the rear, the other to the front lems For example, an ILEC hands off OC-12 One approach is to (622-Mbit/sec) optical bandwidth to disconnect the connecan Internet service provider (ISP); the...

Ngày tải lên: 10/12/2013, 16:15

4 349 0
Tài liệu Module 6: Manipulating XML Data on the Client Using DOM doc

Tài liệu Module 6: Manipulating XML Data on the Client Using DOM doc

... attribute of the data island The XMLDocument property of the data island provides a reference to the Document object For example, the following code defines an XML data island and then obtains the Document ... specified by the sortCol parameter) Next, the procedure applies the style sheet to the XML data island in order to perform the sorting operation, and then loads the sorted XML data into dsoBooks The ... the browser Click the Data button The first message box displays the original form of the XML data, the second message box is the same data in a transformed structure Open the XSL style sheet...

Ngày tải lên: 10/12/2013, 16:16

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Tài liệu Chapter 2 - Communicating over the Network CCNA Exploration 4.0 docx

Tài liệu Chapter 2 - Communicating over the Network CCNA Exploration 4.0 docx

... Devices and their Role on the NetworkThe network devices that people are most familiar with are called end devices These devices form the interface between the human network and the underlying ... Devices and their Role on the Network • • Intermediary devices to provide connectivity and to work behind the scenes to ensure that data flows across the network These devices connect the individual ... this course, we focus on these aspects of the information network: – Devices that make up the network – Media that connect the devices – Messages that are carried across the network – Rules and processes...

Ngày tải lên: 12/12/2013, 14:15

54 502 0
Tài liệu Display Data Using the Repeater Control pptx

Tài liệu Display Data Using the Repeater Control pptx

... loaded, then the odaRegions DataAdapter fills the data table called dtRegions dtRegions is set as the data source for repRegions, and DataBind method is called, binding the Repeater to the data ... DataBinder.Eval(Container, "DataItem.RegionURL") %>' ID="HyperLink1"/> As the name implies, the DataBinder supplies data from the data source that is specified for the Repeater object You will see how to bind the Repeater ... code takes the Text property of the button, which is the RegionID, and uses it in the SQL string to supply the odaTer data adapter Next, odaTer fills dtTer, which is then used as the data source...

Ngày tải lên: 14/12/2013, 20:16

9 457 0
Tài liệu Module 11: Accessing Data from the Outlook 2000 Client ppt

Tài liệu Module 11: Accessing Data from the Outlook 2000 Client ppt

... Accessing Data from the Outlook 2000 Client Once the user has provided the information for the new record, you must use the Update method to send the changes to the data source The changes will then ... ODBC data available to OLE DB data consumers The examples in this module use SQL Server as the data provider Data Consumers Data consumers are applications that use the data exposed by data providers ... multidimensional data cube from the relational data bound to the Data Source control This data cube is then used by the PivotTable List control For multidimensional data sources, the PivotTable...

Ngày tải lên: 21/12/2013, 06:15

62 398 0
Tài liệu Reduced Bend Radius Fiber into the Network docx

Tài liệu Reduced Bend Radius Fiber into the Network docx

... from one end of the fiber to another (see Figure 1) By improving the bend radius of optical fiber, light entering the core is effectively reflected by the cladding back into the core Instead ... ten times the outside diameter of the jacketed cable or 1.5" (38 mm), whichever is greater This new breed of flexible singlemode optical fiber has the potential to significantly reduce these minimum ... impact on network performance For purposes of accuracy, ADC uses the term “reduced bend radius,” because this title best describes what the product actually delivers This paper will discuss the proper...

Ngày tải lên: 21/12/2013, 07:17

8 318 1
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