
URL SCHEMES

Uniform Resource Locators (URL) Schemes

In the Uniform Resource Locators (URL) definition [RFC1738] there is a
field, called "scheme", to identify the type of resource and access
method.

Scheme Name     Descriptiopn                                   Reference
-----------     -----------------------------------------      ---------
ftp             File Transfer protocol                         [RFC1738]
http            Hypertext Transfer Protocol                    [RFC1738]
gopher          The Gopher protocol                            [RFC1738]
mailto          Electronic mail address                        [RFC1738]
news            USENET news                                    [RFC1738]
nntp            USENET news using NNTP access                  [RFC1738]
telnet          Reference to interactive sessions              [RFC1738]
wais            Wide Area Information Servers                  [RFC1738]
file            Host-specific file names                       [RFC1738]
prospero        Prospero Directory Service                     [RFC1738]

z39.50s         Z39.50 Session                                 [RFC2056]
z39.50r         Z39.50 Retrieval                               [RFC2056]

cid             content identifier                             [RFC2111]
mid             message identifier                             [RFC2111]

vemmi           versatile multimedia interface                 [RFC2122]

Reserved URL Scheme Names:

   afs              Andrew File System global file names
   nfs              Network File System (NFS) file names
   tn3270           Interactive 3270 emulation sessions
   mailserver       Access to data available from mail servers

REFERENCES

[RFC1738] Berners-Lee, T., L. Masinter, and M. McCahill, "Uniform
          Resource Locators (URL)", RFC 1738, CERN, Xerox Corporation,
          University of Minnesota, December 1994.


[RFC2056] Denenberg, R., J. Kunze, D. Lynch, "Uniform Resource
          Locators for Z39.50", RFC 2056, Library of Congress,
          University of California, San Francisco, SilverPlatter
          Information Ltd., November 1996.

[RFC2111] Levinson, E., "Content-ID and Message-ID Uniform Resource
          Locators", RFC 2111, XIson Inc, February 1997.

[RFC2122] Mavrakis, D., H. Layec, and K. Kartmann, "VEMMI URL
          Specification", RFC 2122, Monaco Telematique, ETSI,
          Telecommunication+Multimedia, March 1997.

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