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.\" @(#)rmp.4 5.2 (Berkeley) 3/27/91
Remote Maintenance Protocol Family
.Fd #include <sys/types.h>
.Fd #include <sys/socket.h>
.Fd #include <netrmp/rmp.h>
.Fd #include <netrmp/rmp_var.h>
.Fn socket AF_RMP SOCK_RAW proto
Hewlett-Packard's Remote Maintenance Protocol family is a collection
of protocols layered atop
The current implementation of the RMP family provides protocol support only
packet is defined in the include file
.Aq Pa netrmp/rmp_var.h .
packet arrives encapsulated in an
is preceded by the kernel address of an
which is used to `route' a packet out the same interface it
Outgoing packets are encapsulated in a standard
packet, while incoming packets have this information stripped away.
802.3) addresses are 6 octets in length (48 bytes).
Sockets in the Remote Maintenance Protocol family use the following
.Bd -literal -offset indent
protocol family supported by the operating system
is currently comprised of the Boot Protocol
.Pq Em proto= Ns Dv RMPPROTO_BOOT .
Unfortunately, we have no documentation on the Remote Maintenance
Protocol and only sketchy information about the Boot Protocol.
.%T "An Advanced 4.3 BSD Interprocess Communication Tutorial"
802.3 (as opposed to Ethernet) packets. While the
kernel heuristically recognizes these packets, a more general mechanism
for doing so should be provided.
uses a multicast address when first trying to locate boot
servers. While the Ethernet [sic] board is programmed to recognize
this particular multicast address (9:0:9:0:0:4), a more general
mechanism for doing so should be provided.
This is either a bug or a feature, since the kernel is smaller at the
price of greater complexity in the server.
should be provided to prevent more than one
server from running at the same time.