kershenbaum a telecommunication network design algorithms tata mcgraw hill

Ngày tải lên: 21/06/2014, 08:20

Ngày tải lên: 13/08/2013, 15:05

Ngày tải lên: 20/08/2013, 14:10

... Collocation Design 188 Creating the Detailed Services 188 Creating a Detailed Physical Design 189 Creating a Detailed Operations Design 190 Creating a Detailed Operating Model Design 190 Creating a ... 25 Modulating a Radio Signal 27 Propagating a Strong Radio Signal 34 Understanding Signal Power and Signal-to-Noise Ratio 35 Attenuation 36 Rain Attenuation 39 Bouncing 39 Refracting 41 Line ... 2:The Data-Link Layer 75 Layer 3:The Network Layer 77 Layer 4:The Transport Layer 78 Layer 5:The Session Layer 78 Layer 6:The Presentation Layer 79 Layer 7:The Application Layer 80 OSI and DoD...

Ngày tải lên: 16/10/2013, 13:15

... Deriving a Physical Data Design Review Questions " Derive a physical data design for tables and fields from a logical data design " Analyze data usage characteristics to optimize a physical ... language that abstracts the operations performed on a database into easily readable statements, such as Insert, Update, and Delete. Most referential databases adhere to the ANSI SQL standard, ... physical data design can be optimized for the updating of data. Lead-in Updating data can be a costly process, especially in large databases. Module 6: Deriving a Physical Data Design...

Ngày tải lên: 18/10/2013, 19:15

... hardware and implementation costs. The LAN has carried data only. In the WAN, bandwidth has been the overriding cost, and such delay-sensitive traffic as voice has remained separate from data. ... and a common ATM transport infrastructure, network designers can gain greater manageability and eliminate the need for multiple overlay networks. Cisco's BPX/AXIS is a powerful broadband ATM ... provide a reliable, secure network and act as a barrier against inadvertent broadcast storms in the local networks. Switches, which can be divided into two main categories LAN switches and WAN switches...

Ngày tải lên: 22/10/2013, 20:15

... Unified CallManager has a subsystem called the CTI Manager that abstracts the device management from the JTAPI communications to an application server (like Unified CCX). This allows an application ... back in service, you can "activate" the configuration data store component on that Database server during off-peak hours as the whole active database configuration data store data ... Database contains four data stores. They are as follows: ã Configuration data store ã Repository data store ã Agent data store ã Historical data store The configuration data store contains Unified...

Ngày tải lên: 26/10/2013, 23:15

... making PSTN calls. Use partitions and calling search spaces in Cisco CallManager to select the local gateway, as illustrated by the example in Table 2-2 and Table 2-3. Because the local branch ... during a business trip. ã Simple Automated Attendant for Dial by Name You can set up a simple automated attendant to allow callers to reach people by saying their names rather than having to ... Services 4-5 SCCP Gateways 4-6 H.323 Gateways 4-6 MGCP Gateway 4-7 Cisco CallManager Redundancy 4-8 SCCP Gateways 4-8 H.323 Gateways 4-9 MGCP Gateway 4-9 Call Survivability in Cisco CallManager 4-10 Endpoint...

Ngày tải lên: 26/10/2013, 23:15

Ngày tải lên: 29/10/2013, 00:50

... primary goals drive internetworking design and implementation: Application availability Networks carry application information between computers. If the applications are not available to network ... hardware and implementation costs. The LAN has carried data only. In the WAN, bandwidth has been the overriding cost, and such delay-sensitive traffic as voice has remained separate from data. ... provide a reliable, secure network and act as a barrier against inadvertent broadcast storms in the local networks. Switches, which can be divided into two main categories LAN switches and WAN switches...

Ngày tải lên: 10/12/2013, 14:16

... CallManager or Cisco CallManager cluster at each location (10,000 users maximum per site). ã Cisco CallManager clusters are confined to a single campus and may not span the WAN. ã IP WAN as ... contain a secondary and tertiary Cisco CallManager as long as all IP phones served by the cluster are registered to the same Cisco CallManager at any given time. This is called a centralized call ... Service 2-28 Traffic Classification Types 2-28 Trust Boundaries 2-29 Traffic Classification at Layer 2 2-30 Traffic Classification at Layer 3 2-34 Layer 3 Traffic Classification on the Cisco Catalyst...

Ngày tải lên: 10/12/2013, 16:15

... Included. Not available. Not available. Data adapters to integrate with external databases, HTTP, Java, Web Services, SOAP. Included. Database adaptor only. Not available. Not available. Workflow ... Not available. Not available. Agent review and dashboard, multiple user comments. Included. Not available. Not available. Schedule, push training via CAD. Included. Not available. Not available. Third-party ... Enhanced Standard Quality Management Configured User. Yes. Not available. Not available. Ta b l e 1-8 Quality Management Features Available in Each Unified CCX Package Feature Premium Enhanced...

Ngày tải lên: 10/12/2013, 16:15

... by a 10 minute discussion. Delivery Tip Keep students aware of the amount of activity time remaining so that they can pace themselves. After the allocated time has elapsed, facilitate ... Activity 6.3: Determining a Preliminary Distribution of Services Across a Network Topology In this activity, you will create a preliminary plan for distributing services across a network ... both small group tasks and class discussion. Prerequisites To complete this activity, you must have already completed activities 5.2, 5.3, and 5.4. Materials To complete this activity, you will...

Ngày tải lên: 10/12/2013, 16:16

... Additionally, you want to make sure that estate transfer costs and estate taxes are as low as possible. Estate planning is a highly specialized area that your financial plan will cover. Your advisor will ... AND TAXES—HIDDEN DANGERS The asset allocation approach also considers how other factors may affect your investment. Both inflation and taxes can wreak havoc on your investment accounts and may ... one year prior to the sale, then the gain is taxed at the long-term capital gains rate, which, as of 2002, is at a 20-percent maximum. This 20-percent maximum is an advantage for all taxpayers...

Ngày tải lên: 21/12/2013, 01:19

... the mechanical aspects of analysis. An entirely new feature is the optional availability of the advanced, knowl- edge-based financial analysis software package, Financial Genome, created by hel78340_FM.qxd ... A value driver can be as basic as a sustainable cost and/or quality advantage due to a patented process, a protected resource, or a unique set of operational skills. It can be as intangible as ... There was also the impression, actively promoted by many commentators, pundits and financial professionals, that a different era of analyti- cal practice had arrived. It was argued that many of...

Ngày tải lên: 21/12/2013, 01:19

... (EIGRP), can be used to provide optimum network layer convergence around failures. Advanced tools are also available for the MAC layer (Layer 2). Tunable spanning-tree parameters and the ability ... Services 4-7 Skinny Gateways 4-7 IOS H.323 Gateways 4-8 MGCP Gateway 4-9 Site-Specific Gateway Requirements 4-9 CHAPTER 5 Dial Plan Architecture and Configuration 5-1 Cisco CallManager Dial Plan Architecture 5-1 Route ... Service 2-28 Traffic Classification Types 2-28 Trust Boundaries 2-29 Traffic Classification at Layer 2 2-30 Traffic Classification at Layer 3 2-34 Layer 3 Traffic Classification on the Cisco Catalyst...

Ngày tải lên: 21/12/2013, 04:19

... and features for the layer. Using a hierarchical design can facilitate changes. Modularity in network design allowsyou to create design elements that can be replicated as the network grows. As ... requires a router. ã Automated packet recognition and translationThis capability allows the switch to translate frame formats automatically, such as Ethernet MAC to FDDI SNAP. Benefits of Routers (Layer ... for fault tolerance is so great that potential power failures are protected against with a duplicate corporate data center. Organizations with these requirements often locate a redundant data center...

Ngày tải lên: 21/12/2013, 06:15

... Reference Network Design Guide 956466 Chapter 5 WAN QoS Capacity Planning Capacity Planning Before placing video traffic on a network, ensure that adequate bandwidth exists for all required applications. ... additional applications such as email and HyperText Transfer Protocol (HTTP) traffic. Figure 5-2 illustrates capacity planning on a converged network. Figure 5-2 Capacity Planning on a Data, Voice, ... networks using standard H.320. Running interactive video over data networks was not an option due to video’s shared media characteristics, connection-less nature, and lack of guaranteed data...

Ngày tải lên: 21/12/2013, 06:16

... primary (active) Cisco CallManager server when using locations for call admission control. With Cisco CallManager Release 3.1 and later, the locations bandwidth is shared among all Cisco CallManager ... a particular site has been utilized, you can provide automatic failover to the PSTN using the automated alternate routing (AAR) feature within Cisco CallManager. (For more information on AAR, ... Conformance, page 1-28 Alternate gatekeeper (gatekeeper clustering) Gatekeeper Considerations, page 6-10 Gatekeeper Clustering (Alternate-Gatekeeper), page 6-21 Automated alternate routing (AAR) Automated...

Ngày tải lên: 21/12/2013, 06:16