rfc991.txt
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CONTACT: Padlipsky@ISI.EDU
Reynolds & Postel [Page 37]
RFC 991 November 1986
Official ARPA-Internet Protocols
Internet Protocol on ARPANET ----------------------------- (IP-ARPA)
STATUS: Recommended
SPECIFICATION: BBN Report 1822
COMMENTS:
Describes a standard for the transmission of IP Datagrams over
the ARPANET.
OTHER REFERENCES: RFC 851, RFC 852, RFC 878 (in DPH), RFC 979
CONTACT: Malis@BBN.COM
Internet Protocol on WBNET --------------------------------- (IP-WB)
STATUS: Recommended
SPECIFICATION: RFC 907 (in DPH)
COMMENTS:
Describes a standard for the transmission of IP Datagrams over
the Wideband Net.
This protocol specifies the network-access level communication
between an arbitrary computer, called a host, and a
packet-switched satellite network, e.g., SATNET or WBNET.
Note: Implementations of HAP should be performed in
coordination with satellite network development and operations
personnel.
OTHER REFERENCES:
CONTACT: Blumenthal@BBN.COM
Reynolds & Postel [Page 38]
RFC 991 November 1986
Official ARPA-Internet Protocols
Host Access Protocol -------------------------------------- (IP-SAT)
STATUS: Recommended
SPECIFICATION: RFC 907 (in DPH)
COMMENTS:
Describes a standard for the transmission of IP Datagrams over
the SATNET.
This protocol specifies the network-access level communication
between an arbitrary computer, called a host, and a
packet-switched satellite network, e.g., SATNET or WBNET.
Note: Implementations of HAP should be performed in
coordination with satellite network development and operations
personnel.
OTHER REFERENCES:
DEPENDENCIES:
CONTACT: Schoen@BBN.COM
Internet Protocol on X.25 Networks ------------------------ (IP-X25)
STATUS: Recommended
SPECIFICATION: RFC 877 (in DPH)
COMMENTS:
Describes a standard for the transmission of IP Datagrams over
Public Data Networks.
OTHER REFERENCES:
CONTACT: jtk@PURDUE.EDU
Reynolds & Postel [Page 39]
RFC 991 November 1986
Official ARPA-Internet Protocols
Internet Protocol on DC Networks --------------------------- (IP-DC)
STATUS: Elective
SPECIFICATION: RFC 891 (in DPH)
COMMENTS:
OTHER REFERENCES:
RFC 778 - DCNET Internet Clock Service
CONTACT: Mills@ISI.EDU
Internet Protocol on Ethernet Networks ---------------------- (IP-E)
STATUS: Recommended
SPECIFICATION: RFC 894 (in DPH)
COMMENTS:
OTHER REFERENCES: RFC 893
CONTACT: Postel@ISI.EDU
Internet Protocol on Experimental Ethernet Networks -------- (IP-EE)
STATUS: Recommended
SPECIFICATION: RFC 895 (in DPH)
COMMENTS:
OTHER REFERENCES:
CONTACT: Postel@ISI.EDU
Reynolds & Postel [Page 40]
RFC 991 November 1986
Official ARPA-Internet Protocols
Internet Protocol on IEEE 802 ---------------------------- (IP-IEEE)
STATUS: Recommended
SPECIFICATION: RFC 948 (in DPH)
COMMENTS:
A proposed protocol of two methods of encapsulating Internet
Protocol (IP) datagrams on an IEEE 802.3 network. Currently
being revised to be generalized for all 802 networks.
At an ad hoc special session on "IEEE 802 Networks and ARP"
held during the TCP Vendors Workshop (August 1986), an approach
to a consistent way to sent DOD-IP datagrams and other IP
related protocols on 802 networks was developed.
Due to some evolution of the IEEE 802.2 standards and the need
to provide for a standard way to do additional DOD-IP related
protocols (such as Address Resolution Protocol (ARP)) on IEEE
802 networks, the following new policy is established, which
will replace the current policy (see RFC-990 section on IEEE
802 Numbers of Interest, and RFC-948).
The policy is for DDN and ARPA-Internet community to use IEEE
802.2 encapsulation on 802.3, 802.4, and 802.5 networks by
using the SNAP with an organization code indicating that the
following 16 bits specify the Ethertype code (where IP = 2048
(0800 hex), see RFC-990 section on Ethernet Numbers of
Interest).
Header
...--------+--------+--------+
MAC Header| Length | 802.{3/4/5} MAC
...--------+--------+--------+
+--------+--------+--------+
| Dsap=K1| Ssap=K1| control| 802.2 SAP
+--------+--------+--------+
+--------+--------+---------+--------+--------+
|protocol id or org code =K2| Ether Type | 802.2 SNAP
+--------+--------+---------+--------+--------+
The values of K1 and K2 must be assigned by the IEEE. There is
already assigned a value of K1 that indicates that the 5-octet
Reynolds & Postel [Page 41]
RFC 991 November 1986
Official ARPA-Internet Protocols
SNAP header follows. We can use this value. There may be a
value of K2 that is already assigned that indicates that the
last two octets of the SNAP header holds the EtherType. If so
we may be able to use this value.
The total length of the SAP Header and the SNAP header is
8-octets, making the 802.2 protocol overhead come out on a nice
octet boundary.
K1 is 170. The IEEE like to talk about things in bit
transmission order and specifies this value as 01010101. In
big-endian order, as used in Internet specifications, this
becomes 10101010 binary, or AA hex, or 170 decimal.
We believe that K2 is 0 (zero). This must be further
investigated, but as an interim measure use K2 = 0.
OTHER REFERENCES:
CONTACT: Postel@ISI.EDU
Internet Subnet Protocol ---------------------------------- (IP-SUB)
STATUS: Recommended
SPECIFICATION: RFC 950
COMMENTS:
This is a very important feature and should be included in all
IP implementations.
Specifies procedures for the use of subnets, which are logical
sub-sections of a single Internet network.
OTHER REFERENCES: RFC 940, RFC 917, RFC 925, RFC 932, RFC 936,
RFC 922
DEPENDENCIES:
CONTACT: Mogul@SU-SCORE.STANFORD.EDU
Reynolds & Postel [Page 42]
RFC 991 November 1986
Official ARPA-Internet Protocols
Address Resolution Protocol ---------------------------------- (ARP)
STATUS: Recommended
SPECIFICATION: RFC 826 (IN DPH)
COMMENTS:
This is a procedure for finding the network hardware address
corresponding to an Internet Address.
OTHER REFERENCES:
CONTACT: Postel@ISI.EDU
A Reverse Address Resolution Protocol ----------------------- (RARP)
STATUS: Elective
SPECIFICATION: RFC 903 (IN DPH)
COMMENTS:
This is a procedure for workstations to dynamically find their
protocol address (e.g., their Internet Address), when they only
only know their hardware address (e.g., their attached physical
network address).
OTHER REFERENCES:
CONTACT: Mogul@SU-SCORE.STANFORD.EDU
Multi-LAN Address Resolution Protocol ----------------------- (MARP)
STATUS: Experimental
SPECIFICATION: RFC 925
COMMENTS:
Discussion of the various problems and potential solutions of
"transparent subnets" in a multi-LAN environment.
Please discuss any plans for implementation or use of this
protocol with the contact.
OTHER REFERENCES: RFC 917, RFC 826
Reynolds & Postel [Page 43]
RFC 991 November 1986
Official ARPA-Internet Protocols
DEPENDENCIES:
CONTACT: Postel@ISI.EDU
Broadcasting Internet Datagrams ------------------------- (IP-BROAD)
STATUS: Recommended
SPECIFICATION: RFC 919
COMMENTS:
A proposed protocol of simple rules for broadcasting Internet
datagrams on local networks that support broadcast, for
addressing broadcasts, and for how gateways should handle them.
Recommended in the sense of "if you do broadcasting at all then
do it this way".
Please discuss any plans for implementation or use of this
protocol with the contact.
OTHER REFERENCES: RFC 922
DEPENDENCIES:
CONTACT: Mogul@SU-SCORE.STANFORD.EDU
Broadcasting Internet Datagrams with Subnets --------- (IP-SUB-BROAD)
STATUS: Recommended
SPECIFICATION: RFC 922
COMMENTS:
A proposed protocol of simple rules for broadcasting Internet
datagrams on local networks that support broadcast, for
addressing broadcasts, and for how gateways should handle them.
Recommended in the sense of "if you do broadcasting with
subnets at all then do it this way".
Please discuss any plans for implementation or use of this
protocol with the contact.
OTHER REFERENCES: RFC 919
Reynolds & Postel [Page 44]
RFC 991 November 1986
Official ARPA-Internet Protocols
DEPENDENCIES:
CONTACT: Mogul@SU-SCORE.STANFORD.EDU
Reliable Asynchronous Transfer Protocol --------------------- (RATP)
STATUS: Experimental
SPECIFICATION: RFC 916
COMMENTS:
This paper specifies a protocol which allows two programs to
reliably communicate over a communication link. It ensures
that the data entering one end of the link if received arrives
at the other end intact and unaltered. This proposed protocol
is designed to operate over a full duplex point-to-point
connection. It contains some features which tailor it to the
RS-232 links now in current use.
Please discuss any plans for implementation or use of this
protocol with the contact.
OTHER REFERENCES:
DEPENDENCIES: Transmission Control Protocol
CONTACT: Finn@ISI.EDU
Thinwire Protocol --------------------------------------- (THINWIRE)
STATUS: Experimental
SPECIFICATION: RFC 914
COMMENTS:
This paper discusses a Thinwire Protocol for connecting
personal computers to the ARPA-Internet. It primarily focuses
on the particular problems in the ARPA-Internet of low speed
network interconnection with personal computers, and possible
methods of solution.
Please discuss any plans for implementation or use of this
protocol with the contact.
OTHER REFERENCES:
Reynolds & Postel [Page 45]
RFC 991 November 1986
Official ARPA-Internet Protocols
DEPENDENCIES:
CONTACT: Farber@HUEY.UDEL.EDU
Reynolds & Postel [Page 46]
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