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sip-charter.txt
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Simple Internet Protocol (sip)
------------------------------
Charter
Last Modified: 28-Feb-94
Current Status: Concluded Working Group
Chair(s):
Bob Hinden <hinden@ipsilon.com>
Steve Deering <deering@cisco.com>
IP: Next Generation Area Director(s):
Scott Bradner <sob@harvard.edu>
Allison Mankin <mankin@isi.edu>
IP: Next Generation Area Advisor:
Scott Bradner <sob@harvard.edu>
Mailing Lists:
General Discussion:sip@caldera.usc.edu
To Subscribe: sip-request@caldera.usc.edu
Archive:
Description of Working Group:
SIP is a candidate for IPng. The purpose of the working group
is to finalize the SIP family of protocols, and to foster the early
development and experimentation of this protocol.
There are two major characteristics of the SIP proposal: it is very
much a continuation of IP, and it aims at maximum simplicity. A
short hand definition of SIP could be ``64-bit IP with useless
overhead removed.''
Following the IP model, SIP uses globally-unique addresses,
hierarchically structured for efficient routing. SIP addresses are
64 bits long, which is believed to be adequate to scale the Internet up
to, say, thousands of internet-addressable devices in every office,
every residence, and every vehicle in the world.
The quest of simplicity in SIP has been described as parallel to the
RISC philosophy. The minimal SIP header contains only those fields
which are necessary to achieve our goal: routing packets efficiently
in a very large internet. As a result of this design philosophy, the
SIP header is much simpler than the IP header. Simplicity
facilitates high-performance implementation and increases the
likelihood of correct implementation.
Contrary to several other IPng candidates, the SIP effort is
focused mostly on the description of the final state, not on the
description of the transition. This is due to a coordination with
the IPAE Working Group, which has already engaged an intensive study
of transition problems, with SIP in mind as a final state.
Goals and Milestones:
Done Post the complete SIP specification as an Internet-Draft. This
specification shall include the header format, the address
format, ICMP and IGMP, the fragmentation protocol, the source
route protocol, and the the requirements SIP imposes on higher
layer protocols and lower later protocols, e.g., ARP.
Jan 93 Post as an Internet-Draft a specification for the SIP MIB.
Detail the operation of SNMP over SIP.
Jan 93 Make available a public domain version of modified TCP and UDP
for the UNIX-BSD socket environment.
Jan 93 Make available a public domain implementation of SIP for the
UNIX-BSD socket environment.
Done Post an Internet-Draft specifing the SIP addressing and routing
architecture. Include discussion of multicast and mobile host
support as well as a discussion of how policy routing can be
supported. Detail the changes required to OSPF, BGP, and RIP.
Mar 93 Post as an Internet-Draft a report on the initial
implementation and experience with SIP.
Jun 93 Incorporate security into SIP.
Done Post an Internet-Draft specifying changes to RIP needed for
SIP.
Internet-Drafts:
No Current Internet-Drafts.
Request For Comments:
None to date.