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Evaluates asynchronous transfer mode (ATM) core switch products for enterprise networks. Difficulties in using the ATM; Problems in getting ATM to interoperate with other networking technologies; Advantages of the Gigabit Ethernet over ATM; Improvements made by ATM vendors on their products. INSETS: Adtech advances.;How we tested the ATM switches.;Cisco takes a bow in its first Best of Breed..

Relates positive experiences of Fortune 100 companies and midsize businesses in upgrading their networks to Gigabit Ethernet. Ability for companies to reduce file transfer rates; Average cost for the hardware needed for upgrading; Consideration of quality-of-service standards. INSET: Gigabit ethernet.

Focuses on the trend among American corporations toward using the World Wide Web for core back-end financial and accounting applications. Potential benefits of running business transactions over Web servers; Union Pacific's implementation of middleware; Outdoor sports outfitter REI's decision to run its entire catalog and online store operations on Web technology. INSET: Why restart? Software reuse eases Web transactions at Cigna..

Part II. Focuses on the minimal benefits of intranets to enterprise collaboration in the United States. Corporate teams' distribution and accessing of information through intranets; Internet's improvement of internal communications and teamwork.

Takes a look at the knowledge management program of Memphis, Tennessee-based Buckman Laboratories International Inc. Utilization of the corporate intranet K'Netix; Selection of CompuServe Inc. to create Chemforum; Delivery of instant access to the collective knowledge of the entire work force worldwide. INSET: Passionate about knowledge..

Reports on the series of measures planned by Orbitz, the Nasdaq Market System and the New York Stock Exchange to upgrade their computer networks in the wake of high-profile failures caused by new software installations in the United States. Problems faced by the companies related to software upgrading; Causes of system failures.

Describes how companies are enhancing broadband security to prevent unauthorized access to corporate networks in the United States. Vulnerability of broadband systems to hackers; Types of hacker attacks on broadband systems; Broadband security issues.

Discusses small businesses' use of low-cost thin servers or server appliances in order to expand into electronic commerce. Limitation of functionality to one or a few tasks; Integration of the necessary operating system and software in one pre-installed bundle; Easy and efficient provision of electronic mail and Internet access to employees; Publication of an intranet site.

Focuses on Cytec Industries Inc.'s bandwidth use policies. Move of company's order entry system onto the corporate frame relay network since 1996; Installation of Packeteer Inc.'s PacketShaper bandwidth managers at each site; Factors which influence's Cytec's decision to improve its Internet traffic bandwidth.

Focuses on the impact of the Internet on information technology (IT) managers in the United States. Wayne Bush of AlliedSignal Corp.'s Engines division; Miley Ainsworth of Federal Express Corp.; Terry Barbounis of Imedia Inc.

Focuses on the challenges facing corporate information technology departments in protecting their servers from hackers and intruders. Shift in vulnerability from the network to the servers between 1998 and 2000; Increase in demand for products to solve vulnerabilities in servers; Impact of the emerging multifaceted role of traditional servers on server security; Growing popularity of third-party security tools.

Focuses on the quality-of-service (QoS) issues relevant to enterprise computer networks. Theory behind QoS; Creation of QoS infrastructure; QoS technology requirements; Comments from enterprise information technology managers.

Focuses on the potential benefits of Java technology in the business enterprises in San Francisco, California. Use of Web browsers in accessing the networks; Purpose of Java application; List several companies using Java middleware.

Analyzes results of the Computer Security Institute's survey of corporate network security infrastructure. Percentage of responding firms that have encountered security breaches; Types of security attacks; Costs of intrusions to companies.

Reports on United States business enterprises' opening of computer systems to outsiders with the use of enterprise resource planning (ERP) software. Integration of ERP software with Web browsers; Trend as a means to promote business-to-business information sharing; Levels of access to ERP systems.

Presents news updates on systems and management of enterprise networks as of October 11, 1999. Includes integration of WorldTalk Corp.'s policy enforcement servers and Cisco's LocalDirector; Ability of the Tivoli Enterprise IT management system to manage point of sale systems; Marketing of Palm Computing's wireless Palm VII handheld computer.

Focuses on Mazzio's Corp.'s use of virtual private networks to connect restaurants in remote regions to its corporate network using a frame relay ISDN network. Pizza order entry system as most important application running on the network; Previous use of a call center in taking incoming orders; Benefits of intranet application to the company's operations.

Opinion. Presents the author's view on the importance of data storage and recovery processes in the enterprise network. Considered as one of the cornerstones of enterprise management strategy; One of the critical commitments that information technology organizations must make as they re-engineer their service level agreements; Result of the re-emergence of centralized information technology organizations to support distributed enterprises.

Looks at changes in enterprise networking in the United States. Transformation of enterprise networking due to telecommunications reform and emerging technologies; Politics behind the issue of domain names; Increasing importance of directory services capable of integrating diverse corporate applications and assets.

Stresses the importance of considering the dynamics and culture of business organizations that would use intranets. Inclusion of buy-in from intended users of corporate intranets; Effectiveness of intranets as a medium for sharing information; Need for corporations to move away from hierarchical models before deciding on the kind of tool to use.

Reports on the use of the Java programming language by major business enterprises in the United States. Plans of major retailer Home Depot to use Java language in in-store kiosks, cash registers and handheld devices; Development of Java-based deployment systems by Sun Microsystem; Use of Java-based applications by firms in China.