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Specifications are subject to change without notice. - 12 - BLANKOM MPE 4400 EN 2020 V1.1
MPE-4400
GENERAL NOTES ABOUT STREAMS:
MULTICAST STREAMS:
Multicast Address Ranges:
We recommend, that the addressing of your Multicast streams should be in conjunction with this listings to avoid
conflicts with other network equipment or protocols.
https://www.iana.org/assignments/multicast-addresses/multicast-addresses.xhtml
One small part from this:
IPv4 Multicast Address Space Registry
Last Updated
2018-01-05
Expert(s)
Stig Venaas
Note
Host Extensions for IP Multicasting [
] specifies the extensions required of a host implementation of the
Internet Protocol (IP) to support multicasting. The multicast addresses are in the range 224.0.0.0 through
239.255.255.255. Address assignments are listed below.
The range of addresses between 224.0.0.0 and 224.0.0.255, inclusive, is reserved for the use of routing
protocols and other low-level topology discovery or maintenance protocols, such as gateway discovery and
group membership reporting. Multicast routers should not forward any multicast datagram with destination
addresses in this range, regardless of its TTL.
Registries included below
Local Network Control Block (224.0.0.0 - 224.0.0.255 (224.0.0/24))
Internetwork Control Block (224.0.1.0 - 224.0.1.255 (224.0.1/24))
AD-HOC Block I (224.0.2.0 - 224.0.255.255)
RESERVED (224.1.0.0-224.1.255.255 (224.1/16))
SDP/SAP Block (224.2.0.0-224.2.255.255 (224.2/16))
AD-HOC Block II (224.3.0.0-224.4.255.255 (224.3/16, 224.4/16))
RESERVED (224.5.0.0-224.251.255.255 (251 /16s))
DIS Transient Groups 224.252.0.0-224.255.255.255 (224.252/14))
RESERVED (225.0.0.0-231.255.255.255 (7 /8s))
Source-Specific Multicast Block (232.0.0.0-232.255.255.255 (232/8))
AD-HOC Block III (233.252.0.0-233.255.255.255 (233.252/14))
Unicast-Prefix-based IPv4 Multicast Addresses
Relative Addresses used with Scoped Multicast Addresses
Multicast (as opposed to unicast) is used to send UDP packets from 1 source to multiple
destination servers. This is useful for example for streaming from a satellite/DVB-T receiver to
multiple receiving PCs for playback. Multicast can also be used on the output of an encoder to feed
multiple streaming servers. Multicast only works with UDP and is not possible with TCP due to the 2
way nature of TCP, most commonly multicast is used with RTP and MPEG2-TS.
A multicast IP address must be chosen according to IANA information, we recommend using an
address in the range 239.0.0.0 to 239.255.255.255 as this is reserved for private use. Using
multicast addresses in the 224.0.0.0 range may clash with existing services and cause your stream to