This RFC 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 " for the standardization state and status of this protocol. Distribution of this memo is unlimited. This memo describes an extension to the message format defined in RFC 1521 [1], to allow the representation of character sets other than ASCII in RFC 822 (STD 11) message headers. The extensions described were designed to be highly compatible with existing Internet mail handling software, and to be easily implemented in mail readers that support RFC 1521. 1.

draft-ietf-notary-mime-delivery-05.txt Status of this Memo This document is an Internet-Draft. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that other groups may also distribute working documents as Internet-Drafts. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." To learn the current status of any Internet-Draft, please check the "1id-abstracts.txt " listing contained in the Internet-Drafts Shadow Directories on ftp.is.co.za (Africa), nic.nordu.net (Europe), munnari.oz.au (Pacific Rim), ds.internic.net (US East Coast), or ftp.isi.edu (US West Coast). This memo defines a MIME content-type that may be used by a message transfer agent (MTA) or electronic mail gateway to report the result of an attempt to deliver a message to one or more recipients. This content-type is intended as a machine-processable replacement for the various types of delivery status notifications currently used in Internet electronic mail. Because many messages are sent between the Internet and other messaging systems (such as X.400 or the so-called "LAN-based " systems), the DSN protocol is designed to be useful in a multi-protocol messaging environment. To this end, the protocol described in this memo provides for the carriage of "foreign " addresses and error codes, in addition to those normally used in Internet mail. Additional attributes may also be defined to support "tunneling " of foreign notifications through Internet mail.

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The Hypertext Markup Language (HTML) is a simple markup language used to create hypertext documents that are platform independent. HTML documents are SGML documents with generic semantics that are appropriate for representing information from a wide range of domains. HTML markup can represent hypertext news, mail, documentation, and hypermedia; menus of options; database query results; simple structured documents with inlined graphics; and hypertext views of existing bodies of information. HTML has been in use by the World Wide Web (WWW) global information initiative since 1990. This specification roughly corresponds to the capabilities of HTML in common use prior to June 1994. HTML is an application of ISO Standard 8879:1986 Information Processing Text and Office Systems; Standard Generalized Markup Language (SGML). The text/html Internet Media Type (RFC 1590) and MIME Content Type (RFC 1521) is defined by this specification. Berners-Lee, Connolly [Page 1] INTERNET-DRAFT Hypertext M...

The following paper was originally published in the

Abstract 1.1 Our proxy In recent years, proxies have become more prevalent. Generally, these systems are used to process data tlowing between two end-points using an intermediary. More specifically, they can be used to filter or process traffic flowing to and from a network-limited host. Benefits include more efficient use of network resources, re-duced cost, and increased security. In this paper, we describe the design and capabilities of such a system, how it has been applied to the mobile environment, and provide an evaluation of the work. 1

this document should not be interpreted as representing the official policies, either expressed or implied, of the AAUW, AFOSR, ARPA, NSF, or the U.S. government.

This memorandum is a companion document to the current version of the RTP protocol specification draft-ietf-avt-rtp-*.ftxt,psg. It discusses protocol aspects of transporting real-time services (for example, voice or video) over packet-switched networks such as the Internet. It compares and evaluates design alternatives for a real-time transport protocol, providing rationales for the design decisions made for RTP. Also covered are issues of port assignment and multicast address allocation. An appendix provides a comprehensive glossary of terms related to multimedia conferencing. This document is a product of the Audio-Video Transport working group within the Internet Engineering Task Force. Comments are solicited and should be addressed to the working group's mailing list at rem-conf@es.net and/or the author(s). INTERNET-DRAFT draft-ietf-avt-issues-02.ps May 9, 1994 Contents 1 Introduction 4 2 Goals 7 3 Services 9 3.1 Control and Data : : : : : : : : : : : : : : : : : : : : : : : : ...

: Mobile agents are an emerging technology attracting interest from the fields of distributed systems, information retrieval, electronic commerce and artificial intelligence. We present an infrastructure for mobile agents based on the Hypertext Transfer Protocol (HTTP) which provides for agent mobility across heterogeneous networks as well as communications among agents. Our infrastructure supports the implementation and interoperation of agents written in various languages and takes advantage of current research in HTTP and the World Wide Web in general. Keywords: mobile agents, infrastructure, HTTP Introduction Recent times have seen exciting new developments in computer networking. Applications like the World Wide Web have made computer networks such as the Internet available (and palatable) to users outside of computer science departments all over the world. Information servers offering all sorts of interesting data are cropping up, and, as researchers are trying to find ways of ...

The SHARE project seeks to apply information technologies in helping design teams gather, organize, re-access, and communicate both informal and formal design information to establish a "shared understanding" of the design and design process. This paper presents the visions of SHARE, along with the research and strategies undertaken to build an infrastructure toward its realization. A preliminary prototype environment is being used by designers working on a variety of industry sponsored design projects. This testbed continues to inform and guide the development of NoteMail, MovieMail, and Xshare, as well other components of the next generation SHARE environment that will help distributed design teams work together more effectively.