P. Lapsley B. Kantor, "A proposed standard for the stream-based transmission of news," RFC 977, February 1986.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....in general and TCP congestion control in particular. II. RELATED WORK While our design for LSL [6] is novel, it is related to many efforts in the network community. Classically, many Internet protocols and systems have relied on hopby hop (rather than end to end) forwarding. SMTP [7] and NNTP [8] are two well known examples. The notion that end nodes might want to direct the path taken by a flow of packets was provided for with the loose and strict source route options to IP [9] although this has fallen into disfavor because of its (often realized) potential for abuse and the per packet ....

P. Lapsley B. Kantor, "A proposed standard for the stream-based transmission of news," RFC 977, February 1986.

....Information Filter and immediately feed it back to the Information Filter. The User Interface allows the user to coordinate the whole effort. The NNTP Interface is responsible for connecting to a News Server and communicating with it using the NNTP protocol, as defined in RFC 977 and RFC 1036 [14, 15, 16]. The NNTP interface itself performs no filtering whatsoever. The Information Filter (see section 2.3 on page 14) uses the NNTP interface to retrieve and filter articles. Information is converted to NEWT s internal representation by the representation extractor of the filter (see section 2.1 on ....

....in most cases. However, Usenet articles have an Article Header that comprises a number of Article Fields. These fields contain structured information about the article, like the time and date it was posted, the newsgroup or newsgroups it wasposted to, the sender, subject, etc (see figure 2. 2) [14, 15, 18, 19]. There is no restriction on either the number of the fields or their size and, besides the mandatory standard fields specified by RFC 1036 [15] there are numerous other ad hoc fields used for various purposes. In order to reflect this structure, NEWT s documents actually consist of fields [1, ....

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Brian Kantor (U.C. San Diego) and Phil Lapsley (U.C. Berkeley). RFC 977, Network News Transfer Protocol, A Proposed Standard for the Stream-Based Transmission of News, February 1986. http://www.cis.ohio-state.edu/htbin/rfc/rfc977.html.

....which is often wasted by inefficient patterns of use. Economic constraints mean that the academic community, at least, cannot continue to increase capacity in order to satisfy an ever growing demand for data transfer. Of the three dominant protocols used on the network, HTTP [4] FTP [9] and NNTP [7], the first two offer scope for saving bandwidth because they are used primarily for read only access to relatively static bodies of information. One way of achieving this is to keep local copies of resources as they are requested and to use this local data rather than re requesting the original ....

B. Kantor and P. Lapsley. A proposed standard for the stream-based transmission of news. Technical Report RFC 977, http://www.hensa.ac.uk/ftp/mirrors/uunet/.vol/2/inet/rfc/rfc977.Z, February 1986.

....in the field of networking through its history. Store and forward connectivity has been used for quite some time in the networking community and there are many situations in which data transfer need not be synchronous or connection oriented. SMTP [15,26] USENET [21] and its successor NNTP [22] all use hop oriented, connectionless paradigms to achieve their goal. The end to end model holds that all network state must be contained in the end nodes. However, even this has once again become an open issue in light of recent differentiated services work [9] Further, the need to impose ....

B. Kantor and P. Lapsley. A proposed standard for the stream-based transmission of news. IETF RFC 977 (http://www.ietf.org/rfc/rfc0977.txt), February 1986.

....systems and technologies, the information being deployed is simply transferred from one or more information centers to a number of receiving nodes. 4.5. 1 System Description Point Cast and ZIP delivery provide news multi casting services, they are somehow an evolution of the Internet News system [11]. Unlike Internet news, they don t support a bidirectional communication, but they provide news and advertisements through a programmable active receiver application that can be configured to poll the news server for new information. The receiver application has also a library of local display ....

Brian Kantor and Phil Lapsley. Network news transfer protocol, a proposed standard for the streambased transmission of news. RFC 977, February 1986.

....file: info.cern.ch. pub www doc udi1.ps Page 2 UDIs: Feb W.A.I.S. Kahl90] Host name or IP address [IP port] database name local document id Gopher [Albe91] Host name or IP address [IP port] database name selector string HTTP [Bern91] Host name or IP address [IP port] local document id NNTP [Kant86] group Group name NNTP article Host name unique message identifier x.500 distinguished name Country Organization Organizational unit Person Local document identifier Other systems with their own naming schemes include BITNET LISTSERV application, FTAM file retrieval, SQLnet TM remote database ....

Kantor, B., and Lapsley, P., "A proposed standard for the stream-based transmission of news", Internet RFC-977, February 1986. UDI=file://nnsc.nsf.net/rfc/rfc977.txt

....which is often wasted by inefficient patterns of use. Economic constraints mean that the academic community, at least, cannot continue to increase capacity in order to satisfy an ever growing demand for data transfer. Of the three dominant protocols used on the network, HTTP [4] FTP [9] and NNTP [7], the first two offer scope for saving bandwidth because they are used primarily for readonly access to relatively static bodies of information. One way of achieving this is to keep local copies of resources as they are requested and to use this local data rather than rerequesting the original ....

B. Kantor and P. Lapsley. A proposed standard for the stream-based transmission of news. Technical Report RFC 977, http://www.hensa.ac.uk/ftp/mirrors/uunet/.vol/2/inet/rfc/rfc977.Z, February 1986.

....allows access to the internet archives of software and other information. Directories are browsed as hypertext. The browser will notice references to files which are in fact accessible as locally mounted (or on DECnet TM on VMS TM systems) and use direct access instead. The NNTP protocol [Kant86] allows access to news groups and news articles. News articles make good examples of hypertext, as articles contain references to other articles and news groups. News groups are like directories, but more informative. Some nonstandard protocols are in use by other experimental systems, and W 3 ....

Kantor, B., and Lapsley, P., "A proposed standard for the stream-based transmission of news", Internet RFC-977, February 1986. UDI=file://nnsc.nsf.net/rfc/rfc977.txt

....repertoire refer to a gateway for translation. Protocols The W 3 clients are built on a common core of networking code for information access. This core provides access using widely deployed internet protocols such as . File Transfer Protocol FTP [9] Network News Transfer Protocol NNTP [10] . Access to mounted file systems. A new search and retrieve protocol was found necessary, known as HTTP. Faster than FTP for document retrieval, this also allows index search. HTTP is similar in implementation to the internet protocols above, and similar in functionality to the WAIS protocol. ....

Kantor, B., and Lapsley, P., "A proposed standard for the stream-based transmission of news", Internet RFC-977, February 1986

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B. Kantor and P. Lapsley. Network News Transfer Protocol, A Proposed Standard for the Stream-Based Transmission of News. RFC 977, February 1986.

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