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Business Data Networks and Telecommunications

by: Panko, Raymond R.

Business Data Networks and Telecommunications

by: Panko, Raymond R.

ISBN 13:
9780132214414
ISBN 10:
0132214415
Edition: 6th
Format: Hardcover
Copyright: 01/01/2007
Publisher: Prentice Hall
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Summary

This book has11 core chaptersthat form a complete introduction to networking.Mini chapters follow 4 of the chapters(ch. 1, 3, and 8, and 9) with case studies or hands-on exercisesreinforcing material in the previous core chapter. In addition, three advanced modules at the end of the book (Module A, B, and C) contain material teachers may wish to cover selectively for emphasis

Preface for Teachers

xxiii

Preface for Students

xxxi

An Introduction To Networking

(76)

What Is Networking?

(4)

The Internet

(2)

Internal Corporate Network Applications

(1)

Data Communications and Telecommunications

(1)

Single Networks

(7)

The Nine Elements of a Network

(1)

Client Computers, Server Computers, and Applications

(1)

Frames and Packet Switching

(1)

Switches and Routers

(1)

Access Lines, Trunk Lines, and Multiplexing

(1)

Wireless Access Points

(1)

How to Talk About Network Costs

(3)

LANS and WANS

(6)

The First Bank of Paradise

(1)

The Bank's Major Buildings

(2)

Wide Area Networks (WANs)

(1)

Local Area Networks (LANs)

(2)

LAN and WAN Transmission Costs and Speeds

(1)

WAN Carriers

(1)

Internets

(15)

Elements of an Internet

(2)

Packets Versus Frames

(1)

The Internet

(4)

Subnets

(2)

Intranets and Extranets

(1)

IP Address Management

(3)

Security

(3)

Firewalls

(1)

Host Hardening

(1)

Cryptographic Protections

(1)

Conclusions

(6)

Synopsis

(6)

Introduction

(1)

The Initial Situation

(1)

Applications

(1)

Internet Applications

(1)

File Sharing

(1)

Printer Sharing

(1)

Access Router and Cable Modem

(2)

Access Router

(1)

Cable Modem

(1)

Coaxial Cable

(1)

The Personal Computers

(1)

Network Interface Cards (NICs)

(1)

Device Driver

(1)

Networking Software

(1)

Wires, Connectors, and Jacks

(2)

UTP Cords

(1)

RJ-45 Connectors and Jacks

(1)

Patch Cords

(1)

The Access Router's Functions

(4)

The Access Router's Ethernet Switch

(1)

The Access Router's Router Function

(1)

The Access Router's DHCP Server

(1)

The Access Router's Network Address Translation (NAT) Function

(2)

Adding Wireless Transmission

(2)

The Problem with Wires

(1)

Access Router/Wireless Access Point Alternatives

(1)

Wireless NICs

(1)

The Downstairs PC

(1)

Reflections on Peer-to-Peer Networks Versus Dedicated Servers

(3)

Peer-to-Peer Networks

(2)

Inexpensive Networking

(1)

Operational Problems

(1)

Poor Security

(1)

Dedicated Servers

(1)

Network Attached Storage

(1)

Case Analysis

(1)

Introduction

(1)

Setting Up an Internet Connection

(3)

Initial Steps

(1)

Next Steps

(2)

Allowing Peer-to-Peer Directory and File Sharing

(5)

Network Setup Wizard: Welcome to the Network Setup Wizard

(1)

Network Setup Wizard: Before You Begin

(1)

Network Setup Wizard: Select a Connection Method

(3)

Network Setup Wizard: Your Computer Has Multiple Connections

(1)

Network Setup Wizard: Give This Computer a Description and Name

(1)

New Connection Wizard: Name Your Network

(1)

Network Setup Wizard: Ready to Apply Network Settings

(1)

Network Setup Wizard: Finish

(1)

Accessing Shared Files

(2)

Process

(1)

Shared Documents (SharedDocs)

(1)

Weak Security in Simple File Sharing

(1)

Sharing Additional Directories

(2)

Run the Network Setup Wizard

(1)

Select Another Directory You Wish to Share

(1)

In the Directory's Properties Dialog Box

(1)

Still No Security

(1)

Sharing Printers

(5)

Making a Printer Available for Sharing

(1)

Using a Shared Printer

(4)

Case Study: XTR Consulting: A SOHO Network with Dedicated Servers

(17)

Introduction

(2)

Peer-to-Peer Service

(2)

Inexpensive Networking

(1)

Operational Problems

(2)

Poor Security

(1)

Dedicated Servers

(6)

Benefits and Problems

(1)

Server Technology

(1)

Server Hardware

(2)

Network Operating Systems (NOSs) for PC Servers

(3)

XTR: The Initial Situation

(1)

PCs

(1)

Printers

(1)

Sneakernet

(1)

Remote Access

(1)

Internet Access

(1)

Maintenance

(1)

Broad Network Design

(5)

Labor Costs

(1)

Switch

(1)

Wires

(1)

Network Interface Card (NIC)

(1)

Dedicated Servers

(1)

Dedicated Print Servers

(1)

Internet Access

(1)

Firewall

(1)

Database Processing

(1)

Remote Access Service (RAS)

(1)

Your Detailed Design

(1)

Network Standards

(46)

Introduction

(1)

Standards Govern the Exchange of Messages

(5)

Message Semantics (Meaning)

(1)

Message Syntax

(2)

General Message Organization

(1)

Fields in Headers and Trailers

(1)

Reliability and Connections

100

(4)

Reliability

100

(2)

Connection-Oriented and Connectionless Protocols

102

(2)

Connectionless and Unreliable Protocols Dominate

104

(1)

Layered Standards Architectures

104

(7)

Architectures

104

(2)

Layer 1 and Layer 2 Standards for Single Networks (LANs and WANs)

106

(1)

Physical Links

107

(1)

Standards for Internet Transmission

108

(2)

Standards for Applications

110

(1)

Why Layered Architectures?

111

(2)

Breaking Up Large Tasks into Smaller Tasks

111

(1)

Specialization in Standards Design

111

(1)

Simplification in Standards Design

112

(1)

If You Change a Standard at One Layer, You Do Not Have to Change Standards at Other Layers

112

(1)

Layers 1 (Physical) and 2 (Data Link) in Ethernet

113

(2)

Ethernet Physical Layer Standards

113

(1)

Ethernet Frames

113

(2)

Ethernet Characteristics

115

(1)

Layer 3: The Internet Protocol (IP)

115

(3)

Layer 2 Versus Layer 3

115

(1)

The IP Packet

116

(2)

IP Characteristics

118

(1)

Layer 4: The Transport Layer

118

(3)

Layers 3 and 4

118

(1)

TCP: A Reliable Protocol

119

(1)

The User Datagram Protocol (UDP)

120

(1)

Layer 5: HTTP and Other Application Standards

121

(1)

Vertical Communication on Hosts, Switches, and Routers

121

(6)

Layered Communication on the Source Host

121

(4)

On the Destination Host

125

(1)

On Switches and Routers Along the Way

126

(1)

Major Standards Architectures

127

(9)

TCP/IP and OSI Architectures

128

(1)

OSI

129

(3)

TCP/IP

132

(2)

The Application Layer

134

(1)

TCP/IP and OSI: The Hybrid TCP/IP-OSI Standards Architecture

134

(1)

A Multiprotocol World at Higher Layers

135

(1)

Standards at the First Bank of Paradise

136

(1)

Physical and Data Link Layer Standards

136

(1)

Protocols at Higher Layers

136

(1)

Conclusion

136

(4)

Synopsis

136

(4)

Physical Layer Propagation: UTP and Optical Fiber

140

(47)

Introduction: The Physical Layer

140

(1)

Signals and Propagation

141

(1)

Propagation

141

(1)

Signals

141

(1)

Propagation Effects

141

(1)

Binary Data Representation

142

(4)

Inherently Binary Data

142

(1)

Binary Numbers

142

(1)

Encoding Alternatives

143

(1)

Text (ASCII and Extended ASCII)

144

(1)

Raster Graphics

145

(1)

Signaling

146

(6)

Converting Data to Signals

146

(1)

On/Off Signaling

146

(1)

Binary Signaling

146

(3)

Binary Signaling Versus Digital Signaling

149

(1)

Multistate Digital Signaling

150

(1)

Bit Rates

151

(1)

Baud Rate

151

(1)

An Example

151

(1)

Unshielded Twisted Pair (UTP) Wiring

152

(12)

4-Pair UTP and RJ-45

152

(2)

Attenuation and Noise Problems

154

(4)

Electromagnetic Interference (EMI) in UTP Wiring

158

(2)

Serial and Parallel Transmission

160

(2)

Wire Quality Standard Categories

162

(2)

Optical Fiber

164

(10)

Light Through Glass

164

(1)

The Roles of Fiber and Copper

165

(1)

Optical Fiber Construction and Operation

166

(3)

Carrier Fiber

169

(3)

LAN Fiber

172

(2)

Noise and Electromagnetic Interference

174

(1)

Network Topologies

174

(2)

Point-to-Point Topology

175

(1)

Star Topology and Extended Star (Hierarchy) Topology

175

(1)

Mesh Topology

176

(1)

Ring Topology

176

(1)

Bus Topologies

176

(1)

Conclusion

176

(4)

Synopsis

176

(4)

Introduction

180

(1)

Solid and Stranded Wiring

180

(1)

Solid-Wire UTP Versus Stranded-Wire UTP

180

(1)

Relative Advantages

180

(1)

Adding Connectors

180

(1)

Cutting the Cord

181

(1)

Stripping the Cord

181

(1)

Working with the Exposed Pairs

182

(2)

Pair Colors

182

(1)

Untwisting the Pairs

182

(1)

Ordering the Pairs

182

(2)

Cutting the Wires

184

(1)

Adding the Connector

184

(1)

Holding the Connector

184

(1)

Sliding in the Wires

184

(1)

Some Jacket Inside the Connector

184

(1)

Crimping

184

(1)

Pressing Down

184

(1)

Making Electrical Contact

184

(1)

Strain Relief

185

(1)

Testing

185

(2)

Testing with Continuity Testers

185

(1)

Testing for Signal Quality

185

(2)

Ethernet Lans

187

(46)

And the Winner Is . . .

187

(1)

A Short History of Ethernet Standards

188

(2)

Prehistory: Xerox, Intel, and Digital Equipment

188

(1)

The 802 Committee

188

(1)

The 802.3 Ethernet Working Group

188

(1)

Other Working Groups

188

(1)

Ethernet Standards Are OSI Standards

188

(2)

Ethernet Physical Standards

190

(7)

Major Ethernet Physical Layer Standards

190

(4)

Link Aggregation (Trunking)

194

(1)

Ethernet Physical Layer Standards and Network Design

194

(3)

The Ethernet Frame

197

(4)

Layering

197

(1)

The Ethernel Frame's Organization

197

(4)

Basic Data Link Layer Switch Operation

201

(4)

Frame Forwarding with Multiple Ethernet Switches

201

(1)

Hierarchical Switch Topology

202

(2)

Only One Possible Path: Low Switching Cost

204

(1)

Advanced Ethernet Switch Operation

205

(10)

802.1D: The Spanning Tree Protocol (STP)

205

(3)

Virtual LANs and Ethernet Switches

208

(2)

Handling Momentary Traffic Peaks

210

(3)

Hubs and CSMA/CD

213

(1)

Broadcasting

213

(1)

Media Access Control (MAC)

213

(1)

CSMA/CD

213

(1)

Full-Duplex Operation

213

(1)

Latency

214

(1)

Purchasing Switches

215

(7)

Number and Speeds of Ports

215

(1)

Switching Matrix Throughput

216

(1)

Store-and-Forward Versus Cut-Through Switching

217

(1)

Store-and-Forward Ethernet Switches

217

(1)

Cut Through Ethernet Switches

217

(1)

Manageability

218

(2)

Advanced Purchasing Considerations: Physical and Electrical Features

220

(1)

Physical Size

220

(1)

Port Flexibility

220

(1)

Uplink Ports

220

(2)

Electricity

222

(1)

Ethernet Security

222

(1)

Port Access Control (802.1X)

222

(1)

Media Access Control (MAC) Security (802.1AE)

222

(1)

Conclusion

223

(4)

Synopsis

223

(4)

Introduction

227

(1)

Token-Ring Technology

227

(2)

Ring Networks

227

(1)

Token Passing

228

(1)

Early Ethernet and 802.5 Token-Ring Networks

229

(2)

Early Ethernet: CSMA/CD-Bus Networks

229

(1)

802.5 Token-Ring Networks Appear

230

(1)

Ethernet Wins

230

(1)

Shielded Twisted Pair Wiring

231

(1)

Fiber Distributed Data Interface (FDDI)

231

(1)

Return of the Ring

232

(1)

Wireless Lans (WLANs)

233

(45)

Introduction

233

(4)

802.11 Wireless LANs

233

(3)

Bluetooth Personal Area Networks

236

(1)

Emerging Local Wireless Technologies

236

(1)

Radio Signal Propagation

237

(13)

Frequencies

237

(1)

Antennas

238

(1)

Wireless Propagation Problems

239

(2)

Bands and Bandwidth

241

(4)

Normal and Spread Spectrum Transmission

245

(2)

Spread Spectrum Transmission Methods

247

(3)

802.11 WLAN Operation

250

(6)

Typical Operation

250

(3)

Controlling 802.11 Transmission

253

(1)

Media Access Control

253

(1)

CSMA/CA + ACK Media Access Control

253

(1)

CSMA/CA

253

(1)

ACK

254

(2)

Request to Send/Clear to Send (RTS/CTS)

256

(1)

802.11 Transmission Standards

256

(6)

How Fast Are 802.11 Networks?

256

(1)

802.11a

257

(1)

802.11b

258

(1)

802.11g: Today's Dominant Technology

258

(1)

802.11a Redux?

259

(1)

802.11n and MIMO

260

(2)

802.11e Quality of Service (QoS)

262

(1)

802.11 WLAN Security

262

(7)

WLAN Security Threats

262

(1)

WEP Security

263

(2)

WPA (Wireless Protected Access)

265

(1)

802.11i(WPA2)

266

(1)

802.1X Mode Operation

266

(2)

Pre-Shared Key (PSK) Mode

268

(1)

802.11 Wireless LAN Management

269

(3)

Access Point Placement

269

(1)

Remote Management: Smart Access Points and Wireless Switches

270

(2)

Bluetooth PANs

272

(2)

Personal Area Networks (PANs) for Cable Replacement

272

(1)

Disadvantages Compared to 802.11

273

(1)

Advantages Compared to 802.11

273

(1)

Bluetooth Trends

273

(1)

Conclusion

274

(4)

Synopsis

274

(4)

Telecommunications

278

(33)

Introduction

278

(4)

Telecommunications and the PSTN

278

(1)

The Four Elements of the PSTN

279

(2)

Ownership of the PSTN

281

(1)

Circuit Switching

282

(3)

Circuits

282

(1)

Voice Versus Data Traffic

283

(1)

Dial-Up Circuits

283

(1)

Leased Line Circuits

284

(1)

The Access System

285

(7)

The Local Loop

285

(1)

The End Office Switch

286

(1)

Analog-Digital Conversion for Analog Local Loops

286

(3)

Codec Operations

289

(1)

Analog-to-Digital Conversion

289

(2)

Digital-to-Analog Conversion (DAC)

291

(1)

Cellular Telephony

292

(4)

Cellular Service

292

(1)

Cells

292

(1)

Why Cells?

293

(1)

Handoffs Versus Roaming

294

(1)

Cellular Telephone Standards

295

(1)

Voice Over IP (VoIP)

296

(5)

Basic Operation

296

(1)

Corporate VoIP Alternatives

297

(1)

Corporate Concerns with VoIP

298

(1)

VoIP Technology

299

(1)

Speech Codecs

299

(1)

Transport

299

(2)

Signaling in VoIP

301

(1)

Residential Internet Access

301

(7)

Telephone Modems

301

(2)

Digital Subscriber Lines (DSLs)

303

(2)

Cable Modem Service

305

(1)

3C Cellular Data Service

306

(1)

WiMax (802.16) Service

306

(1)

Broadband over Power Lines

307

(1)

Fiber to the Home (FTTH)

308

(1)

Perspective on Speeds and Prices

308

(1)

Conclusion

308

(3)

Synopsis

308

(3)

Wide Area Networks (WANs)

311

(35)

Introduction

311

(3)

WANs and the Telephone Network

311

(1)

Reasons to Build a WAN

312

(1)

High Costs and Low Speeds

313

(1)

Carriers

313

(1)

Point-to-Point Leased Line Networks

314

(6)

Leased Line Networks for Voice and Data

314

(1)

Leased Line Network Topologies

314

(3)

Leased Line Speeds

317

(2)

Digital Subscriber Lines (DSLs)

319

(1)

Public Switched Data Networks (PSDNs)

320

(4)

Leased Lines in Leased Line Data Networks

320

(1)

Public Switched Data Network (PSDN) Access Lines

321

(1)

The PSDN Cloud

321

(1)

OAM&P: Operation, Administration, Maintenance and Provisioning

322

(1)

Service Level Agreements (SLAs)

323

(1)

Virtual Circuit Operation

323

(1)

Frame Relay

324

(4)

The Most Popular PSDN

324

(1)

Components

324

(3)

Frame Relay Virtual Circuits

327

(1)

Asynchronous Transfer Mode (ATM)

328

(2)

Not a Competitor for Frame Relay

328

(1)

Designed for SONET/SDH

329

(1)

Cell Switching

329

(1)

ATM Quality-of-Service Guarantees

329

(1)

Manageability, Complexity, and Cost

329

(1)

Market Strengths

330

(1)

Metropolitan Area Ethernet

330

(3)

Metropolitan Area Networking

330

(1)

E-Line and E-LAN

330

(1)

Attractions of Metropolitan Area Ethernet

330

(2)

Carrier Class Service

332

(1)

Carrier IP Networks

332

(1)

Virtual Private Networks (VPNs)

333

(5)

The Attractiveness of Internet Transmission

333

(2)

SSL/TLS

335

(3)

Market Perspective

338

(2)

Leased Line Networks

338

(1)

Frame Relay

339

(1)

Metropolitan Area Ethernet

340

(1)

Virtual Private Networks (VPNs)

340

(1)

Conclusion

340

(2)

Synopsis

340

(2)

Introduction

342

(1)

Organizational Units

342

(2)

Major Facilities

342

(1)

Branches

342

(2)

External Organizations

344

(1)

The FBP Wide Area Network (WAN)

344

(1)

T3 Lines

344

(1)

Branch Connections

344

(1)

Da Kine Island Affiliate Branch

344

(1)

Credit Card Service

344

(1)

Branch LANs

344

(1)

Internet Access

344

(1)

Anticipated Changes

344

(2)

Outsourcing

344

(1)

Fractional T1 Lines to Branches

344

(2)

TCP/IP Internetworking

346

(51)

Introduction

346

(1)

TCP/IP Recap

347

(1)

The TCP/IP Architecture and the IETF

347

(1)

Simple IP at the Internet Layer

347

(1)

Reliable Heavyweight TCP at the Transport Layer

347

(1)

Unreliable Lightweight UDP at the Transport Layer

348

(1)

IP Routing

348

(6)

Hierarchical IP Addressing

349

(1)

Routers, Networks, and Subnets

350

(1)

Network and Subnet Masks

351

(2)

Multiprotocol Routing

353

(1)

How Routers Process Packets

354

(7)

Switching Versus Routing

354

(1)

A Simplified Routing Table

354

(3)

A Routing Decision

357

(1)

Perspective

358

(1)

Two Routing Table Details

359

(1)

Is the Destination IP Address in a Row's Address Range?

359

(2)

Other Internet Layer Standards

361

(15)

Dynamic Routing Protocols

361

(4)

Address Resolution Protocol (ARP)

365

(2)

Multiprotocol Label Switching (MPLS)

367

(2)

Domain Name System (DNS)

369

(2)

Internet Control Message Protocol (ICMP) for Supervisory Messages at the Internet Layer

371

(1)

DHCP

372

(1)

IPv4 Fields

372

(3)

IPv6 Fields

375

(1)

The Transmission Control Protocol (TCP)

376

(5)

Fields in TCP/IP Segments

376

(1)

Openings and Normal Closings

376

(3)

Port Numbers

379

(2)

The User Datagram Protocol (UDP)

381

(1)

Layer 3 and Layer 4 Switches

382

(2)

Layer 3 Switches

382

(1)

Layer 4 Switches

383

(1)

Application Switches (Layer 5 or Layer 7 Switches)

384

(1)

Conclusion

384

(5)

Synopsis

384

(5)

What are WinDUMP and TCPDUMP?

389

(1)

Working With WinDUMP

390

(1)

Installing WinDUMP

390

(1)

Running WinDUMP

390

(1)

Getting Data to Capture

391

(1)

Reading WinDUMP Output

391

(2)

Opening the TCP Connection

391

(1)

SYN

391

(1)

SYN/ACK

392

(1)

The HTTP Request Message

392

(1)

The HTTP Response Message

393

(1)

Ending the Connection

393

(1)

Some Popular WinDUMP Options

393

(1)

Major Options

393

(1)

Example

394

(1)

Expression

394

(1)

Hexadecimal Printout

394

(3)

ASCII versus Hex

394

(1)

Hex Output

395

(1)

TCP Fields

395

(2)

Security

397

(41)

Introduction

397

(1)

Security Threats

397

(12)

Viruses and Worms

399

(3)

Human Break-Ins (Hacking)

402

(3)

Denial-of-Service (DoS) Attacks

405

(1)

Bots

406

(1)

Attackers

407

(2)

Planning

409

(2)

Security Is a Management Issue

409

(1)

Planning Principles

409

(2)

Controlling Access

411

(8)

Access Control Plans

411

(1)

Authentication

412

(1)

Passwords

413

(2)

Digital Certificate Authentication

415

(2)

Biometrics

417

(2)

Firewalls, IDSs, and IPSs

419

(8)

Firewalls

419

(1)

Stateful Firewall Filtering

420

(4)

Intrusion Detection Systems (IDSs)

424

(1)

Intrusion Prevention System (IPS) Filtering

425

(1)

Multimethod Firewalls

426

(1)

Protection with Cryptographic Systems

427

(4)

Cryptographic Systems

427

(1)

Encryption for Confidentiality

428

(2)

Electronic Signatures

430

(1)

Other Aspects of Protection

431

(2)

Hardening Servers

431

(2)

Vulnerability Testing

433

(1)

Response

433

(2)

Stages

433

(1)

Major Incidents and CSIRTs

434

(1)

Disasters and Disaster Response

435

(1)

Rehearsals

435

(1)

Conclusion

435

(3)

Synopsis

435

(3)

Hands-On: Windows XP Home Security

438

(31)

Introduction

439

(2)

Windows XP

439

(1)

Service Pack 2

440

(1)

Major Security Actions

440

(1)

The Windows Security Center

440

(1)

Backup

441

(4)

The Need for Backup

441

(1)

The Most Ignored Protection

441

(2)

Backup Technology

443

(1)

What to Backup

444

(1)

Keeping Installation Disks

444

(1)

Managing Backups

444

(1)

Backup Software

444

(1)

Perspective

445

(1)

Windows Security Center

445

(15)

The Center

447

(1)

Automatic Updates

447

(2)

Windows Firewall

449

(4)

Internet Options for Privacy and Security

453

(7)

Antivirus Scanning

460

(9)

Virus Definitions Updates

461

(1)

Configuration and Breadth of Protection

461

(1)

Problems with Updates

461

(8)

Network Management

469

(30)

Network Management

469

(1)

Cost Analysis

469

(4)

Demand Versus Budget

469

(1)

Labor Costs

469

(2)

Carrier Fees

471

(1)

Total Cost of Ownership (TCO)

471

(2)

Network Simulation

473

(5)

Network Simulation Purposes

473

(1)

Before the Simulation: Collecting Data

473

(1)

The Process

474

(4)

IP Management

478

(5)

IP Subnet Planning

478

(2)

Administrative IP Servers

480

(2)

Device Configuration

482

(1)

Network Management Utilities

483

(11)

Security Concerns

483

(2)

Host Diagnostic Tools

485

(4)

Route Analysis Tools

489

(1)

Network Mapping Tools

489

(1)

Simple Network Management Protocol (SNMP)

490

(4)

Traffic Management Methods

494

(2)

Momentary Traffic Peaks

494

(1)

Traffic Shaping

495

(1)

Conclusion

496

(3)

Synopsis

496

(3)

Networked Applications

499

(32)

Introduction

499

(1)

Networked Applications

499

(1)

Traditional Application Architectures

500

(3)

Hosts with Dumb Terminals

500

(1)

Client/Server Systems

501

(2)

Electronic Mail (E-Mail)

503

(7)

Importance

503

(1)

E-Mail Standards

504

(1)

Simple Mail Transfer Protocol (SMTP)

504

(2)

Receiving Mail (POP and IMAP)

506

(1)

Web-Enabled E-Mail

506

(2)

Viruses and Trojan Horses

508

(1)

Spam

509

(1)

The World Wide Web and E-Commerce

510

(7)

The World Wide Web

510

(3)

Electronic Commerce (E-Commerce)

513

(1)

Links to Other Systems

514

(1)

Application Servers

514

(2)

E-Commerce Security

516

(1)

Service-Oriented Architecture (SOA)

517

(4)

Introduction

517

(1)

Service Objects

518

(2)

Universal Description, Discovery, and Integration (UDDI) Protocol

520

(1)

Peer-to-Peer (P2P) Application Architectures

521

(8)

Traditional Client/Server Applications

521

(1)

PZP Applications

522

(1)

Pure Peer-to-Peer Applications: Gnutella

523

(1)

Using Servers to Facilitate P2P Interactions

524

(3)

Processor Utilization

527

(1)

Facilitating Servers and P2P-Applications

528

(1)

The Future of P2P

528

(1)

Conclusion

529

(2)

Synopsis

529

(2)

Module a More on TCP and IP

531

(25)

Introduction

531

(1)

General Issues

531

(8)

Multiplexing

531

(2)

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Business Data Networks and Telecommunications

Business Data Networks and Telecommunications

9780132214414

0132214415

Summary

Author Biography

Table of Contents

Supplemental Materials

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Amazon no longer offers textbook rentals. We do!

Business Data Networks and Telecommunications

Business Data Networks and Telecommunications

9780132214414

0132214415

Summary

Author Biography

Table of Contents

Supplemental Materials

Write a Review

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