Lines Matching +full:wait +full:- +full:monitoring +full:- +full:ns

1 .\" Copyright (c) 2001-2003 International Computer Science Institute
60 All multicast-capable routers must run a common multicast routing
63 Protocol Independent Multicast - Sparse Mode (PIM-SM),
64 or Protocol Independent Multicast - Dense Mode (PIM-DM)
76 and must run a multicast routing capable user-level process.
84 The so-called
95 .Bd -literal
100 .Bd -literal
115 .Bx Ns
128 .Bd -literal
133 .Bd -literal
146 can be used to enable PIM processing in the kernel if we are running PIM-SM or
147 PIM-DM
154 .Bd -literal
199 Users who wish to rate-limit multicast datagrams should consider the use of
210 .Bd -literal
236 .Bd -literal
242 .Bd -literal
301 user-level process to install the appropriate Multicast Forwarding
305 .Bd -literal
317 .Bd -literal
351 .Bd -literal
360 .Bd -literal
373 .Bd -literal
381 .Bd -literal
393 .Bd -literal
400 .Bd -literal
410 and at the same time to allow user-level processes to take advantage of
415 between the user-level process and the kernel:
416 .Bl -enum
418 The user-level process tries to enable in the kernel the set of new
424 The user-level process uses only that set of features
429 To support backward compatibility, if the user-level process does not
447 The user-level process uses new
448 .Fn getsockopt Ns / Ns Fn setsockopt
458 .Fn getsockopt Ns / Ns Fn setsockopt
464 .Bd -literal
471 the pre-defined bits that the kernel API supports.
484 is read-only; in other words,
489 .Bd -literal
510 .Bd -literal
521 .Bd -literal
529 .\" .Bd -literal
533 .\" to allow (*,G) MFC entries (i.e., group-specific entries) in the kernel.
534 .\" For now this is left-out until it is clear whether
551 .Bd -literal
580 .Bd -literal
592 complete the shortest-path switch in case of PIM-SM multicast routing,
606 flag is used to specify whether the Border-bit in PIM
612 the Border-bit in the Register messages sent to the RP will be set.
618 field is used to specify the RP address (in case of PIM-SM multicast routing)
620 group G if we want to perform kernel-level PIM Register encapsulation.
629 .\" 3. Kernel-level PIM Register encapsulation
639 upcalls) for user-level encapsulation.
655 multicast data packet to the user-level process.
673 .\" in Section 4.4.1 in the PIM-SM spec
674 .\" draft-ietf-pim-sm-v2-new-05.{txt,ps}).
678 .\" 4. Mechanism for "multicast bandwidth monitoring and upcalls".
681 Typically, a multicast routing user-level process would need to know the
684 entries, or in case of PIM-SM it can initiate (S,G) shortest-path switch if
688 that a user-level process would periodically
694 mechanism for bandwidth monitoring.
696 Below is a description of the bandwidth monitoring mechanism.
697 .Bl -bullet
699 If the bandwidth of a data flow satisfies some pre-defined filter,
703 The bandwidth-upcall filters are installed per (S,G).
710 because this makes the kernel-level implementation simpler,
713 user-level filtering of those <= and >= filters.
720 The bandwidth-upcall mechanism is enabled by
726 The bandwidth-upcall filters are added/deleted by the new
737 .Bd -literal
809 pseudo-algorithm:
810 .Bd -literal
843 For the <= operation however, we must wait
847 .Bd -literal
896 .Bd -literal
897 #define IGMPMSG_BW_UPCALL 4 /* BW monitoring upcall */
912 field is filled-in to
975 .Dv PIM-SM
977 .Dv PIM-DM .
979 .An -nosplit
998 monitoring were implemented by