Information Networks
Hacettepe University
Department of Information Management
DOK 422: Information Networks
Z39.50 and ISO ILL Protocols
Some Slides taken from: Barbara Shuh and UKOLN web site
ISO ILL Protocol

ISO 10160: Information and Documentation - Open Systems
Interconnection - Interlibrary Loan Application Service

ISO 10161-1: Information and Documentation - Open Systems
Interconnection - Interlibrary Loan Application Protocol Specification - Part 1:
Protocol Specification
Peer-to-Peer
 Unconfirmed Service
 Designed to be supported by OSI stack

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Z39.50
"Z39.50" refers to the International Standard, ISO
23950: "Information Retrieval (Z39.50): Application
Service Definition and Protocol Specification",
 Also ANSI/NISO Z39.50.
 The Library of Congress is the Maintenance Agency
and Registration Authority for both standards, which
are technically identical
 Z39.50 standard specifies a client/server-based
protocol

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Z39.50 & ISO 10161
Working together
© 1999-2000 www.arttoday.com
Y.T.
1.1 Search
1.2 Retrieve
Holdings:
Directory
U. of Penn
Union
Catalogue
(RLIN)
Colorado State
Brown U.
2.1.1
2.3.2 ILL-ANSWER:
Harvard Law
(RLG
ILL Manager)
will- supply
2.3.1 ILL-REQUEST
Z39.50 query
2.1.2 Response:
Checked Out
2.2.1
Brown U.
(via OCLC
Central ILL
system)
2.2.3 ILL-
Z39.50 query
REQUEST
U. Penn
catalogue
2.2.2 Response:
Item Available
Colorado
State U.
(RSS)
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2.3.4 ILL-ANSWER
unfilled (n.o.s.)
Lending Scenario:
ILL Protocol
& Z39.50
1.1 Z39.50 query
Directory
1a.2 PatronInitiated Request
1.2 Response
1a.1 Directory
Lookup: Library
Policy & Address Info
Holdings:
Virtual
Canadian
Union
Catalogue
NLC
1a.3 NCIP User
Lookup & Response
Simon Fraser U.
U. of Guelph
U. of Waterloo
(VDX)
2.1
U. of Waterloo
Circ System
NCIP
4.2 ILL-ANSWER:
Item Lookup
will- supply
2.2 Response:
Circ Status: On
Loan
4.1 ILL-REQUEST
3.1
3.3 ILL-ANSWER
ILL-
U. Guelph
Circ System
unfilled (n.o.s.)
REQUEST
National
Library
of Canada
(NAVIS)
3.2.1
NCIP Item
Lookup
SFU
Circ System
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SFU
(RSS)
3.2.2
Response:
Circ Status:
Lost
Patron Initiated
Interlending Scenario:
Z39.50, ILL Protocol
& NCIP
Local
ISO ILL
Application
Library Consortia
MnSCU/
PALS
LIDDAS
Bibliographic Utilities
CIC
Distributed
System
OCLC
Central ILL,
DRSS
RLG
RLIN
Communications
Network
NLM’s
ISO ILL
Gateway
National Libraries
NAVIS
(Canada)
Docline
Y.T.
Kinetica
(Australia)
Te Puna
(N.Z.)
BLDSC
ISO ILL
Gateway
LIBRIS
(Sweden)
BLDSC
ART System