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pdnrout-charter.txt
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Private Data Network Routing (pdnrout)
--------------------------------------
Charter
Last Modified: 27-Jul-97
Current Status: Concluded Working Group
Chair(s):
CH Rokitansky <roki@isi.edu>
Routing Area Director(s):
Joel Halpern <jhalpern@newbridge.com>
Routing Area Advisor:
Joel Halpern <jhalpern@newbridge.com>
Mailing Lists:
General Discussion:pdn-wg@bbn.com
To Subscribe: pdn-request@bbn.com
Archive:
Description of Working Group:
The DoD INTERNET TCP/IP protocol suite has developed into a de facto
industry standard for heterogenous packet switching computer networks.
In the US, several hundreds of INTERNET networks are connected
together; however the situation is completely different in Europe.
\vspace{.15in}
The only network which could be used as a backbone to allow
interoperation between the many local area networks in Europe, now
subscribing to the DoD INTERNET TCP/IP protocol suite, would be the
system of Public Data Networks (PDN). However, so far, no algorithms
have been provided to dynamically route INTERNET datagrams through
X.25 public data networks. Therefore, the goals of the Public Data
Network Routing Working Group are the development, definition and
specification of required routing and gateway algorithms for an
improved routing of INTERNET datagrams through the system of X.25
Public Data Networks (PDN) to allow worldwide interoperation between
TCP/IP networks in various countries. In addition, the application
and/or modification of the developed algorithms to interconnect local
TCP/IP networks via ISDN (Integrated Services Digital Network) will be
considered.
Goals and Milestones:
Done Specification of an X.25 Call Setup and Charging Determination
Protocol.
Done Specification of an X.25 Access and Forwarding Control Scheme.
Done Specification of routing metrics taking X.25 charges into
account.
Done Specification of an X.121 Address resolution protocol.
Done Interoperability between ISO/OSI hosts on TCP/IP networks
through PDN.
Done Development of Internetwork Management Protocols for worldwide
cooperation and coordination of network control and network
information centers.
Done Consideration of INTERNET Route Servers.
Done Provide a testbed for worldwide interoperability between local
TCP/IP networks via the system of X.25 public data networks
(PDN).
Done Development of hierarchical VAN-gateway algorithms for
worldwide INTERNET network reachability information exchange
between VAN-gateways.
Done Assignment of INTERNET/PDN-cluster network numbers to national
public data networks. (Mapping between INTERNET network numbers
and X.121 Data Network Identification Codes (DNICs)).
Done Implementation of the required algorithms and protocols in a
VAN-Box.
Done Assignment of INTERNET/PDN-cluster addresses to PDN-hosts and
VAN-gateways according to the developed hierarchical
VAN-gateway algorithms.
Done Application of the INTERNET Cluster Addressing Scheme to Public
Data Networks.
Done Interoperability between local TCP/IP networks via ISDN.
Done Definition of the PDN-cluster addressing scheme as an Internet
standard.
Done Delayed TCP/IP header compression by VAN-gateways and
PDN-hosts.
Internet-Drafts:
No Current Internet-Drafts.
Request For Comments:
None to date.