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T1 Consider reliable pim solution (refresh reduction)
A Reliable Transport Mechanism for PIM
http://tools.ietf.org/wg/pim/draft-ietf-pim-port/
PORT=PIM-Over-Reliable-Transport
T2 If an interface changes one of its secondary IP addresses, a Hello
message with an updated Address_List option and a non-zero
HoldTime should be sent immediately.
See also detect_secondary_address_change
See also CAVEAT C15.
See also RFC 4601: 4.3.1. Sending Hello Messages
T3 Lightweight MLDv2
http://tools.ietf.org/html/draft-ietf-mboned-lightweight-igmpv3-mldv2-05
http://www.ietf.org/internet-drafts/draft-ietf-mboned-lightweight-igmpv3-mldv2-05.txt
http://www.ietf.org/html.charters/mboned-charter.html
T4 Static igmp join fails when loading config at boot time
! Wrong behavior seen at boot time:
!
2010/02/22 08:59:00 PIM: igmp_source_forward_start: ignoring request for
looped MFC entry (S,G)=(3.3.3.3,239.3.3.3): igmp_sock=12 oif=eth0 vif_index=2
! Correct behavior seen later:
!
2010/02/22 09:03:16 PIM: igmp_source_forward_start: ignoring request for
looped MFC entry (S,G)=(2.2.2.2,239.2.2.2): igmp_sock=17 oif=lo vif_index=1
! To see the wrong message at boot:
!
debug igmp trace
!
interface lo
ip igmp
ip igmp join 239.2.2.2 2.2.2.2
ip igmp join 239.3.3.3 3.3.3.3
!
! Interfaces indexes:
Interface Address ifi Vif PktsIn PktsOut BytesIn BytesOut
eth0 200.202.112.3 2 2 0 0 0 0
lo 127.0.0.1 1 1 0 0 0 0
T5 PIM Neighbor Reduction
https://datatracker.ietf.org/doc/draft-wijnands-pim-neighbor-reduction/
"In a transit LAN (no directly connected source or receiver), many
of the PIM procedures don't apply. (...) This proposal describes
a procedure to reduce the amount of neighbors established over a
transit LAN."
T6 Single Stream Multicast Fast Reroute (SMFR) Method
https://datatracker.ietf.org/doc/draft-liu-pim-single-stream-multicast-frr/
"This document proposes an IP multicast fast convergence method
based on differentiating primary and backup PIM join."
T7 RFC5384 - The Join Attribute Format
"This document describes a modification of the Join message that
allows a node to associate attributes with a particular tree."
T8 PIM Multi-Topology ID (MT-ID) Join-Attribute
http://tools.ietf.org/html/draft-cai-pim-mtid-00
Depends on T7.
"This draft introduces a new type of PIM Join Attribute used to
encode the identity of the topology PIM uses for RPF."
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