... necessary 53 07_053416 ch03.qxd 1/2/07 6:29 PM Page 54 Part I: DesignDesign Improvement An Extreme Programming project starts with a simple design and grows more complicated as necessary over time ... the task is necessary and “lose” the planning game to get the job done Simple Design The application uses the simplest design possible to achieve its goals at every step Programmers focus on the ... technical excellence and good design enhances agility Simplicity — the art of maximizing the amount of work not done — is essential The best architectures, requirements, and designs emerge from self-organizing...
... further explanation and details, please read the chapter/curriculum Book: Routing Protocols and Concepts By Rick Graziani and Allan Johnson ISBN: 1-58713-206-0 ISBN-13: 978-58713206-3 Topics Introduction ... and the K Values EIGRP Metrics Using the bandwidth Command Calculating the EIGRP Metric DUAL DUAL Concepts Successor and Feasible Distance Feasible Successors, Feasibility Condition, and Reported...
... work best in situations where: The network is simple and flat and does not require a hierarchical design The administrators not have enough knowledge to configure and troubleshoot link-state protocols ... 20 Link-State Protocol Operation Link-state protocols work best in situations where The network design is hierarchical, usually occurring in large networks The administrators have a good knowledge...
... of the terms in this figure Then, throughout the rest of the book, we will present a variety of concepts and “how to” frameworks that will help you improve the way you make these strategy decisions ... see an advantage with a firm’s marketing mix, they just move on.3 In this chapter, we’ll introduce concepts relevant to this sort of positioning Then, in Chapters to 18 we’ll cover the many ways ... needs, attitudes and how present and potential goods and services fit into customers’ consumption patterns Affects Product (features, packaging, product line assortment, branding) and Promotion...
... hierarchical design –The administrators not have enough knowledge to configure and troubleshoot link-state protocols Link-state protocols work best in situations where: –The network design is hierarchical, ... esc be e o e of dynamic ou g protocols and place these protocols in the context of modern network design Identify several ways to classify routing protocols Describe how metrics are used by routing...
... switch for operation in a network designed to support voice, video, and data transmissions Configure basic security on a switch that will operate in a network designed to support voice, video, ... Address Tables 18 Design Considerations for Ethernet/802.3 Networks • • Bandwidth and Throughput – A major disadvantage of Ethernet 802.3 networks is collisions Collision domains: 19 Design Considerations ... network equipment is rarely seen in a modern switched LAN 23 Design Considerations for Ethernet/802.3 Networks LAN Segmentation 24 LAN Design Considerations Controlling Network Latency • Consider...
... period of use (Figure 3.2c) This combination of elements from capacitive and cyclic operation may be designated a mixed mode of operation Knowledge of the load placed on batteries in the course of ... the different battery systems, quality curves to the different systems employed (electrochemistry /design) This can be seen clearly by comparing the respective reaction and polarization heat component, ... possible to postulate an easy system for determining the components in producing the power supply concepts The reason for this lies in the at times widely differing properties (Figure 3.6) displayed...
... known to equal a number, or another algebraic expression, we can write an equation, i.e the two concepts are written on either side of an equality sign For example 45 = 24 + 3x In this chapter...
... 5xxx-series, 350°C Copyright 1999 by Taylor & Francis Group All Rights Reserved Figure 3.1 Alternative designs for a gusset attachment: (a) machined; (b) welded 3.1.5 Machining Because of the high metal ... example would be the chord section shown in Figure 3.1 to which a cross-member has to be bolted In design (a) an extrusion is used, with an integral flange that is machined away over most of its ... (1997) to 1.6 mm for all sizes, which is more in line with other codes The main decision in the design of a bolted joint is the choice of bolt material, for which there are three basic possibilities:...
... the atoms in the wax, which is exactly opposite of Franklin's conjecture! In honor of Franklin's designation of the wax's charge being "negative" and the wool's charge being "positive," electrons ... object whose atoms are lacking electrons is said to be positively charged, as confusing as these designations may seem By the time the true nature of electric "fluid" was discovered, Franklin's ... circuit's continuity results in current stopping throughout the entire circuit, we can use a device designed to intentionally break that continuity (called a switch), mounted at any convenient location...
... 920103_CRC20_0904_CH03 46 1/13/01 10:44 AM Page 46 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT • How does grassland diversity vary in space and time? • What determines the ... of the species present (Magurran, 1988) Grasslands differ in the relative abundance and spatial patterns of the constitutent species Some communities may be characterized by one or two dominant ... of 920103_CRC20_0904_CH03 48 1/13/01 10:44 AM Page 48 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT species with narrow niches, species with broadly overlapping niches or habitats...
... minimizing the effect on the widely used USGS mapping products was an important consideration in designing the new datum adjustment Several of these agencies, including NOAA, the U.S Army Corps...
... control abstraction The general schema of Section 3.2.1 is a programmer aid It helps the programmer design efficient programs but it is not seen by the computation model Let us go one step further and ... Standard ML and Haskell Type inference can verify that a recursive type is used correctly, but the design of a recursive type remains the programmer’s responsibility Sorting with mergesort We define ... end Many developers find the second way more readable because it is more visual, i.e., it gives patterns that show what the tree looks like instead of giving instructions to decompose the tree...
... arithmetic circuits The bits of the BCD code are designated D4 D3 D2 D1 The bits of the 2421 code are designated Y4 Y3 Y2 Y1 Use the Karnaugh map method to design a logic circuit that accepts any BCD ... breaking up the truth table into groups of four lines (It is difficult for the eye to grasp an overall pattern in a group of 16 lines.) We chose groups of four because variables A and B are the same ... yield the maximum simplification A common application of the don’t care state is a digital circuit designed for binarycoded decimal (BCD) inputs In BCD, a decimal digit (0–9) is encoded as a 4-bit...
... NOR gate’s propagation delay for a given area of silicon, and explain why this is so The circuit designers of TTL-compatible CMOS families presumably could have made the voltage drop across the ... identical results Some combinations yield negative margins.) In the LED example in Section 3.7.5, a designer chose a resistor value of 300 Ω, and found that the open-drain gate was able to maintain ... open-collector output in the style of Figure 3-52 However, in order to save a few cents, the logic designer connected the anodes of all ten LEDs together and replaced the ten, now parallel, 300-Ω...