basic elements of the spanning tree protocol

Understanding Linux Network Internals 2005 phần 1 pps

... 15 Bridging: The Spanning Tree Protocol Section 15.1 Basic Terminology Section 15.2 Example of Hierarchical Switched L2 Topology Section 15.3 Basic Elements of the Spanning Tree Protocol Section ... list of the files mentioned in the chapter, with their location in the kernel source tree A description of the interface between the most common user-space tools used to configure the topic of the ... describes both the common infrastructure of the various protocols and the details of the ARP neighboring protocol used by IPv4 Routing Part VII, the biggest one of the book, describes the routing...

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Understanding Linux Network Internals 2005 phần 2 pdf

Danh mục: Hệ điều hành

... Figure 5-1 in Chapter The second part is taken care of by the invocation of do_initcalls shown close to the end of do _basic_ setup in the same figure The initialization routines of this second part ... to invoke them, are placed in the initcallN.init memory sections of Figure 7-3 by tagging them with one of thexxx_initcall macros in Table 7-1 The area used to store the addresses of the routines ... for the use of those macros) The snapshot just shown uses a few of them: _ _init, _ _exit, and _ _devinitdata Later sections describe how some of the new macros are used and how they work These...

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Understanding Linux Network Internals 2005 phần 3 pptx

Danh mục: Hệ điều hành

... skb_bond(skb); The delivery of the frame to the sniffers and protocol handlers is covered in detail in Chapter 13 Once all of the protocol sniffers have received their copy of the packet, and before the ... saw how the kernel takes care of scheduled software interrupts In the upcoming section "Processing the NET_RX_SOFTIRQ: net_rx_action," we will see the internals of theNET_RX_SOFTIRQ softirq's ... higher than the others Since the greedy device fills the shared ingress queue faster than the other devices, the latter will [*] often find no space in the ingress queue and therefore their frames...

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Understanding Linux Network Internals 2005 phần 4 docx

Danh mục: Hệ điều hành

... shows the combinations of protocol ID and protocol version used by the three IEEE STPs In this chapter, we will look only at the basic 802.1D protocol and briefly introduce the other two in the ... independent spanning trees Each spanning tree carries its own subset of data traffic The selection of the spanning tree to use for each data packet is based on the VLAN where the packet originated ... tree' s root (remember that the spanning tree is calculated based on the selection of the tree' s root) Let's first see the events that trigger a topology change, and then how they are handled: A nonforwarding...

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Creating JavaFX Classes and Objects

Danh mục: Kỹ thuật lập trình

... value value value value value value value value value value of of of of of of of of of of the the the the the the the the the the current current current current current current current current ... uses the same technique in its last two statements Here is the output that you should see: The The The The The The The The The The value value value value value value value value value value of of ... such as the add-and-assign operator (+=) This operator adds the value of the expression on the right to the value of the variable on the left, and assigns it to the variable on the left The increment...

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Programming Serial and Parallel Ports

Danh mục: Cơ khí - Chế tạo máy

... (there is also a third, unknown, to cover future expansion of the API) The routine makeGUI creates the JComboBoxes and arranges to notify us when the user picks one from either of the lists The ... you will be told if another application wants to use the port Then you can either close the port and the other application will get it, or ignore the request and the other program will get a ... two of these DataThreads, one to handle data “traffic” from the keyboard to the remote, and one to handle bytes arriving from the remote and copy them to the standard output For each of these the...

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4 Creating a Configuration and Physical Standby Database by Using Enterprise Manager

Danh mục: Cơ sở dữ liệu

... Database” to start the wizard 4-6 Copyright © 2006, Oracle All rights reserved Using the Add Standby Database Wizard 4-8 Copyright © 2006, Oracle All rights reserved Step 1: Specify the Backup Type ... Reviewing Results of the Verify Operation - 22 Copyright © 2006, Oracle All rights reserved Creating Standby Redo Logs - 23 Copyright © 2006, Oracle All rights reserved Viewing the Data Guard ... lesson, you should be able to the following: • Enable FORCE LOGGING • Use Enterprise Manager to create a broker configuration • Use Enterprise Manager to monitor the broker configuration 4-2 Copyright...

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Tài liệu IMF STAFF DISCUSSION NOTE - Accounting Devices and Fiscal Illusions pptx

Danh mục: Kế toán - Kiểm toán

... liabilities of Fannie Mae and Freddie Mac VIII THE SIZE OF THE PROBLEM The nature of accounting devices makes hard data on size of the problem scarce If the only indicator of the deficit is the one ... devices, there is no benchmark against which the use of such devices can be measured Yet there are sources of information that allow a glimpse of the size of the problem One source of evidence ... from the point of view of the present As in the United States, the forecasts may also be summarized in a kind of comprehensive balance sheet that gives the present values of categories of forecast...

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electronic devices and circuit theory 7th edition

Danh mục: Cao đẳng - Đại học

... cm (1.1) In fact, if the area of Fig 1.4 is cm2 and the length cm, the magnitude of the resistance of the cube of Fig 1.4 is equal to the magnitude of the resistivity of the material as demonstrated ... quantity (1.6) The steeper the slope, the less the value of ⌬Vd for the same change in ⌬ Id and the less the resistance The ac resistance in the vertical-rise region of the characteristic is therefore ... for the layer of negative ions and the less the opposition of the positive ions in the depletion region of the n-type material For the purposes of future discussions we shall assume that all the...

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Báo cáo khoa học: "Creating a CCGbank and a wide-coverage CCG lexicon for German" pdf

Danh mục: Báo cáo khoa học

... left-branching tree The algorithm starts at the root category and recursively traverses the tree Cẵ N Cắ Lẵ Lắ H R R The CCG category of complements and of the root of the graph is determined from their ... are often attached at the so-called virtual root (VROOT) of the entire graph The relative pronoun is a dative object (edge label DA) of the embedded innitive, and is therefore attached at the ... operates on local trees, which are typically at dren under a new S node which becomes the second daughter of the SBAR The relative pronoun is the head of this SBAR and takes the S-node as argument...

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UNIT 2. UNDERSTANDING NEEDS AND ASSESSING OPPORTUNITIES LESSON 2. CREATING YOUR TEAM AND STATING GOALS doc

Danh mục: Kiến trúc - Xây dựng

... trusted and respected members of the communities You will need to build a solid relationship with them and involve them in the team so they can promote the project to the local community In fact, ... for the first team meeting Task list form Use this form to manage the team’s work after the meeting Finding stakeholders Classify the stakeholders on the basis of the criteria using this form The ... represented in all the project phases These are some criteria to identify a list of stakeholders: The stakeholder may benefit from the project They might be legally required to participate They could...

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UNIT 2. UNDERSTANDING NEEDS AND ASSESSING OPPORTUNITIES LESSON 2. CREATING YOUR TEAM AND STATING GOALSNOTE docx

Danh mục: Cơ sở dữ liệu

... trusted and respected members of the communities You will need to build a solid relationship with them and involve them in the team so they can promote the project to the local community In fact, ... for the first team meeting Task list form Use this form to manage the team’s work after the meeting Finding stakeholders Classify the stakeholders on the basis of the criteria using this form The ... represented in all the project phases These are some criteria to identify a list of stakeholders: The stakeholder may benefit from the project They might be legally required to participate They could...

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Water-Quality Data from Semipermeable-Membrane Devices and Polar Organic Chemical Integrative Samplers Deployed in the McKenzie River Basin, Oregon pptx

Danh mục: Tự động hóa

... used to collect data from the McKenzie River, Oregon The McKenzie River is the source of drinking water for the City of Eugene, Oregon, and passive-sampler data are part of an ongoing monitoring ... Data‑Collection Sites The environmental setting of the McKenzie River basin and a discussion of sampling sites in the basin have been previously reported in McCarthy and others (2009) and Kelly and others (2012) ... as a “methods” worksheet in the data workbooks (see appendixes) SPMD and POCIS Data The SPMD and POCIS data are available in the appendixes of this report as Microsoft© Excel 2007 (.xlsx) files...

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Electronic Devices and Circuits doc

Danh mục: Điện - Điện tử

... sensitivity The path OM will be the arc of a circle whose centre is at Q The velocity of the particle, ~2evo v = o m I = length of the magnetic field L = Distance between circle of the field and the ... component of velocity vox is perpendicular to B, the electron will describe r'rcular motion The 'Radius' of the circle is independent of E And, because of the effect of electric field E, the velocity ... of 60 MHz is applied between the plates An electron is emitted from one plate when the voltage of the other is becoming positive Find the maximum speed acquired by the electron and position of...

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Silicon Devices and Process Integration pot

Danh mục: Điện - Điện tử

... level of the isolated hydrogen atom splits into a pair of levels when the atoms are bound to form the molecule The total number of energy levels in the molecule is the same as in the system of two ... shown later that most of the transitions occur between the upper edge of the valence band and the lower edge of the conduction band In such situations only the edges of the conduction and valence ... In the vicinity of the minima, the surfaces of the six valleys can be approximated by ellipsoids of revolution The constant energy surfaces of valence bands are more complicated because of the...

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Adapter cards and expansion ports

Danh mục: Công nghệ thông tin

... embedded on the motherboard and the addition of features not originally available with their systems  Peripheral Component Interconnect  PCI is the oldest expansion slot still common on motherboards ... There are several types of adapter cards, but the majority of them use PCI, PCIe, and AGP expansion slots  Adapter cards allow ... Express is currently used for video cards and other adapter cards Different speed slots are used for different types of devices Expansion Slots This motherboard has two green PCIe 16x slots, two...

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flesh and the devil clarence brown technical devices and cinematic movements of 1920s in the construct

Danh mục: Kỹ năng viết tiếng Anh

... The harsh whiteness of the paper contrasts the general bleakness of the setting, while the content conflict with the action of the film and the undertones of the minister's impromptu sermon The ... contrast This usage of lighting defines characters and allows a differentiation of the sinfulness of 'David' and the 'Wife of Uriah' and the holiness of the Minister The character of the Minister is ... as he places the bread the mouths of the recipients, as with the wine All the characters are subservient to the Ministers status Although there is a shit in power when the ' Wife of Uriah' submits...

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Creating a Patch and Vulnerability Management Program potx

Danh mục: Cao đẳng - Đại học

... whether the fix will affect the functionality of other software applications or services through research and testing Establish what degree of risk is acceptable The PVG should be aware of the ... differences, and other reasons + 2.7 If one or more of the above problems applies, the PVG will need to consider whether the disadvantages outweigh the benefits of installing the patch If the remediation ... There are three primary methods of remediation that can be applied to an affected system: the installation of a software patch, the adjustment of a configuration setting, and the removal of the...

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Learning Joomla! 1.5 Extension Development: Creating Modules, Components, and Plugins with PHP docx

Danh mục: Kỹ thuật lập trình

... of the variables from the form The bind() function takes an associative array as the parameter and attempts to match all of the elements to member variables of the object To reduce the risk of ... all the records on the screen Once out of the header, we begin a loop over the rows The variables $i and $n are initially set to and the number of rows respectively; the loop runs as long as there ... see the other toolbar, add &task=add to the end of the URL in your browser, then load it The toolbar should appear like this: Your users will certainly not want to add the task variable at the...

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Chapter 2Communicating Over the Network Quangkien@gmail.com.OverviewDescribe the structure of a network, including the devices and media that are necessary for successful communications. Explain the function of protocols in network communications. Ex potx

Danh mục: Quản trị mạng

... particular software implementation of a computer networking protocol suite The terms are often used interchangeably Strictly speaking, the suite is the definition of the protocols, and the stack is the ... - Connect to individual networks 22 Protocols Protocol A protocol stack shows how the individual protocols within the suite are implemented on the host The protocols are viewed as a layered hierarchy, ... depending on the functionality defined by the protocols shown in the lower levels Protocol – Rules that govern communications Protocol suite - A group of inter-related protocols Example: TCP/IP A protocol...

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