Akkal Bist
Gopher
GOPHERGOPHER
Gopher is a TCP/IP application layer protocol
designed for distributing, searching and retrieving
documents over the internet.
It presented an alternative to the world wide web
in its early stages.
2
Where did gopher come from ?
"Born" in April 1991, gopher began as a
project at the Microcomputer,
Workstation, and Networks Center at
the University of Minnesota to help
people on campus get answers to
computer-related questions. At the time,
the computer center staff had
accumulated answers to thousands of
questions regarding computers and
software.
Why It is called Gopher?
The name "Gopher" is appropriate for three
reasons: 
1.Just as a real gopher successfully navigates beneath
the prairie, the Internet Gopher tunnels through the
invisible paths of the Internet to help you find the
information you want. 
2. The name refers to someone who fetches things or
provides service for other people. 
3s. The Golden Gopher is the mascot of the University
of Minnesota. 
A gopher client sends request across the internet
to a gopher server.
Figure- 13
5
Figure- 14
6
Gopher pages are just lists of links either to other
pages on same site or pages on other site.
Unlike the world wide web there is no hypertext ,
just the links.
7
Figure- 15
8
o The gopher distributed database is essentially a
hierarchical structure of directories.
o Some entries point to other directories, some
points to documents.
o Documents can be text, images or programs
9
GOPHER SEARCHERSGOPHER SEARCHERS
Two types of search engine are available in gopher-
o Veronica
o Jug head
10
11

Gopher Protocol

  • 1.
  • 2.
    GOPHERGOPHER Gopher is aTCP/IP application layer protocol designed for distributing, searching and retrieving documents over the internet. It presented an alternative to the world wide web in its early stages. 2
  • 3.
    Where did gophercome from ? "Born" in April 1991, gopher began as a project at the Microcomputer, Workstation, and Networks Center at the University of Minnesota to help people on campus get answers to computer-related questions. At the time, the computer center staff had accumulated answers to thousands of questions regarding computers and software.
  • 4.
    Why It iscalled Gopher? The name "Gopher" is appropriate for three reasons:  1.Just as a real gopher successfully navigates beneath the prairie, the Internet Gopher tunnels through the invisible paths of the Internet to help you find the information you want.  2. The name refers to someone who fetches things or provides service for other people.  3s. The Golden Gopher is the mascot of the University of Minnesota. 
  • 5.
    A gopher clientsends request across the internet to a gopher server. Figure- 13 5
  • 6.
  • 7.
    Gopher pages arejust lists of links either to other pages on same site or pages on other site. Unlike the world wide web there is no hypertext , just the links. 7
  • 8.
  • 9.
    o The gopherdistributed database is essentially a hierarchical structure of directories. o Some entries point to other directories, some points to documents. o Documents can be text, images or programs 9
  • 10.
    GOPHER SEARCHERSGOPHER SEARCHERS Twotypes of search engine are available in gopher- o Veronica o Jug head 10
  • 11.