chapter 7  skinny client control protocol

... piggyback not used Unnumbered - supplementary link control First one or two bits of control filed identify frame type Remaining bits explained later Control Field Diagram Poll/Final Bit Use depends ... One for device and one for user (next layer up) Other DLC Protocols (LLC) Logical Link Control (LLC) IEEE 802 Different frame format Link control split between medium access layer (MAC) and LLC ... Access Procedure for Frame-Mode Bearer Services (LAPF) Two protocols Control - similar to HDLC Core - subset of control Other DLC Protocols (Frame Relay) (2) ABM 7-bit sequence numbers 16 bit CRC...

Ngày tải lên: 16/02/2014, 08:20

... it as well If you don't pack( ) a widget, it won't show up Now on to some examples A Dictionary Client: xword For our first example, we want to build a simple application that has only a few types ... for the word and go look it up without all that extra hassle Anyone familiar with the xwebster client for the X Window System will find xword to be vaguely familiar, but our version doesn't require...

Ngày tải lên: 07/11/2013, 09:15

Ngày tải lên: 07/11/2013, 09:15

... $self->{'error_as_HTML'}; } The final program ends up looking like Figure 7-3 Figure 7-3 Package tracking client ...

Ngày tải lên: 07/11/2013, 09:15

Ngày tải lên: 14/12/2013, 12:15

... Automode"); $mw->after('cancel', $id); } } And finally, webping looks like Figure 7-4 Figure 7-4 webping client I say "we," but I really mean "she" this chapter was written by Nancy Walsh, who combined...

Ngày tải lên: 14/12/2013, 13:15

... dynamic routing protocol Dynamic routing protocol to a different dynamic routing protocol Static routes to a dynamic routing protocol Directly connected networks to a dynamic routing protocol Want ... to other routing protocols such as EIGRP, OSPF and IS-IS RIPv2, it is ideal for explaining the differences between a classful routing protocol (RIPv1) and a classless routing protocol (RIPv2) ... classful routing protocol has these limitations RIPv1: Distance Vector, Classess Routing Protocol RIP Version (RIPv2) is defined in RFC 1723 RIPv2 is the first classless routing protocol discussed...

Ngày tải lên: 09/03/2014, 13:20

... routing protocols that can use authentication -RIPv2 RIPv2 -EIGRP -OSPF OSPF -IS-IS -BGP ITE PC v4.0 Chapter © 2007 Cisco Systems, Inc All rights reserved Cisco Public 33 Summary Routing Protocol ... Public Introduction Difference between RIPv1 & RIPv2 RIPv1 •A classful distance vector routing protocol Does •Does not support discontiguous subnets •Does not support VLSM •Does not send subnet ... mask in routing update •Routing updates are broadcast RIPv2 •A classless distance vector routing protocol that is an enhancement of RIPv1’s features RIPv1 s features •Next hop address is included...

Ngày tải lên: 05/07/2014, 03:20

... different situations offline (different control laws that the engineer seeks to compare, research into its limits, training of control operators, etc.) and the design of controls to implement It is not ... majority of control engineers dealing with identification have often kept ignoring this approach in order to avoid having to deal with this numeric problem, even if it has been well controlled ... are based on several components For example, for water circulation, we use a heater, a pump and a control valve; for the function of generating energy, we use a boiler, a pump and a fuel tank To...

Ngày tải lên: 09/08/2014, 06:23

... algorithms used with the AH protocol as well as the ESP protocol Both these protocols are part of the IPsec architecture The seven-group documents describing the set of IPsec protocols are explained ... security gateway and a host 7.1.1 IPsec Protocol Documents This section will discuss the protocols and standards which apply to IPsec The set of IPsec protocols is divided into seven groups as ... this Deletion, determine the Protocol- ID for this Deletion, determine the SPI size based on the Protocol- id field, determine the # of SPIs to be deleted for this protocol, determine the SPI(s)...

Ngày tải lên: 09/08/2014, 06:23

... becoming industry standard for control software The advantages of microprocessor control are Versatility ± programs may easily be changed Sophistication ± advanced control laws can be implemented ... 2:33PM Digital control system design 227 1.4 Discrete c (t ) Continuous 1.2 c (kT ) 0.8 0.6 0.4 0.2 0 10 t, kT (seconds) Fig 7.24 Continuous and digital controllers set to K ˆ 0.336 The control problem ... [198±231/34] 9.8.2001 2:33PM Digital control system design 199 Microprocessor System RAM Memory ROM PROM EPROM Memory r (kT ) c (kT ) A/D Converter u (kT ) Microprocessor Controller D/A Converter c (t...

Ngày tải lên: 09/08/2014, 06:23

... resistance factors on biological control agents Their results suggested that a better understanding of the evolution of crop plants, pests, and pest biological control agents is needed to better ... synergistic benefit from insecticides As with biological control, some negative interactions between insect-resistant cultivars and insecticidal control also exist Enhanced detoxication of insecticides ... biological, cultural, and insecticidal control methods As described previously, resistant cultivars are compatible with insecticide use, but in many cases biological control is not Insecticides applied...

Ngày tải lên: 11/08/2014, 04:20

... required to house the control system • Rough estimates of utility requirements (e.g., steam, water, electricity, etc.) 7.3 AIR POLLUTION CONTROL EQUIPMENT COST 7.3.1 OAQPS CONTROL COST MANUAL To ... Index can be used from a baseline date of 1926 Vatavuk Air Pollution Control Cost Indexes are provided for specific air-pollution control devices, including carbon adsorbers, catalytic incinerators, ... and the Chemical Engineering Plant Cost Index Specific to the air-pollution control industry is the Vatavuk Air Pollution Control Cost Index.1 An index is used to convert a known cost at one point...

Ngày tải lên: 11/08/2014, 06:22

... primitive basic designs to a relatively sophisticated series of machines Initially, when air pollution control regulations did not exist, collectors were only required to catch some of the particulate ... Cyclones at one time could separate enough dust from processes to be considered an air pollution control device Centrifugal force alone was not enough As time went by and air quality standards ... particularly efficient at removing the dust from the air, making the shaker suspect as an air pollution control device The shaker is considered a lowenergy intermittent use collector The filter media does...

Ngày tải lên: 11/08/2014, 09:21

... infection control or chemical source reduction is required • Permanently sealing fresh-air intakes by welding plates to the intake faces, permanently closing dampers within ductwork, or programming control ... increased due to the contribution of the insulation to improved temperature control, energy conservation, acoustical control, and reduced condensation Porous insulation materials (e.g., fiberglass) ... the three methods are: Removal of the source or control of its emissions Ventilation Air cleaning Air cleaning can be used as an adjunct to source control and ventilation; however, air cleaning...

Ngày tải lên: 11/08/2014, 09:21

... organic nutrients Limited amounts of inorganic nitrogen, phosphates and essential trace metals control the growth of photosynthetic microorganisms in many locations The blue-green bacteria, previously...

Ngày tải lên: 11/08/2014, 13:21

... non-fossil fuel energy sources As in the case of acid rain control, a marketable permit system for carbon emissions control results in control being achieved at the lowest possible cost (1) p 23 ... Economists have argued that this approach results in higher control costs than necessary Different utilities are likely to incur different control costs due to age and technological differences in ... pollution (Figure 4) Of all U.S air pollutants, oxides of nitrogen have been the most difficult to control They are formed when ambient diatomic nitrogen (N2) is heated to temperatures > 1200˚F,...

Ngày tải lên: 11/08/2014, 13:22

... 2-bitlong link protocol discriminator (LPD), which in GSM is, with one exception, always coded with 00bin The exception is the cell broadcast service (CBS), where LPD = 01bin Control Field The control ... call control (CC) Messages for mobility management (MM) and radio resource management (RR) Layer bit TI Flag TI value Messages for call control (CC) and mobility management (MM) bit Protocol ... contains a protocol error in Layer 3, then an MM STATUS message with the respective error cause is sent This kind of protocol error may be caused by bit errors on the Air-interface Table 7.7 Call Control...

Ngày tải lên: 13/08/2014, 02:21

... shaft of the mechanical power amplifier controls pump displacement, while its input is controlled by hand In a more recent development requiring remote manual control, a servomotor replaces this ... 12:33 PM Page 219 APPLICATIONS OF THE DIFFERENTIAL WINCH TO CONTROL SYSTEMS Known for its mechanical advantage, the differential winch is a control mechanism that can supplement the gear and rack ... to which the pointer is attached Fig A hydraulic control system, actuated by a differential winch, performs remote precision positioning of a control rod with a minimum of applied torque The...

Ngày tải lên: 22/10/2012, 14:26

Ngày tải lên: 25/10/2012, 08:58