Internet Marketplaces have recently been proposed as a new and interesting model to make data and computational services available to a broad public. Unlike electronic commerce where services are only requested over the Internet, Internet Marketplace services are both requested and delivered through the Internet. The key idea of Internet Marketplaces is that providers make a range of services a...

Although distributed services provide a means for supporting scalable Internet applications, their ad-hoc provisioning and configuration pose a difficult tradeoff between service performance and availability. This is made harder as Internet service workloads tend to be heterogeneous, and vary over time in amount of concurrent clients and in mixture of client interactions. This chapter presents ...

This memo provides information for the Internet community. It does not specify an Internet standard. Distribution of this memo is unlimited. Abstract The Internet is currently being confronted with service demands from a new generation of applications. Supporting these applications eeectively and eeciently will require extending the current Internet \best-eeort" service model to one that ooers ...

The first step for the integration of multimedia traffic within the Internet is the provision of voice services, both traditional POTS (Plain Old Telephony Services) and innovative, like multi-party audio conferences or high quality audio. Voice services in Internet are broadly indicated as VoIP (Voice over Internet Protocol), including all possible services that can be built on vocal interacti...

Multicast Extensions to the Security Architecture for the Internet Protocol Status of This Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distr...

In order to support emerging network businesses, such as Voice-over-IP (VoIP), virtual learning, video conferencing, and telemedicine, the Internet has to provide classes of service that are better than traditional ‘best-effort’ service. In computer networks, Quality of Service (QoS) is defined as the mechanisms that allow differentiation of network services based on their unique service requir...

The objectives of the CATI project (Charging and Accounting Technology for the Internet) include the design, implementation, and evaluation of charging and accounting mechanisms for Internet services and Virtual Private Networks (VPN). They include the enabling technology support for open, Internet-based Electronic Commerce platforms in terms of usage-based transport service charging as well as...

The increase in both cellular phone users and Internet surfers implies the explosive expansion in Mobile Internet business. In spite of the aggressive environment in which launch the full-fledged Mobile Internet services, there is limited research on the basic preferences and expectations of the Mobile Internet users. For this reason, a survey research was designed to find the status quo of Mob...

Over the past few years, we have seen the proliferation of Internet-based services ranging from search engines and map services to video-on-demand servers. All of these kinds of services need to be able to provide guarantees of availability and scalability to their users. With millions of users on the Internet today, these services must have the capacity to handle a large number of clients and ...