On 1/27/2017 4:03 PM, Linda Dunbar wrote:
>
> /[Linda] Infrastructure multicast are originated by network nodes for
> the purpose of establishing network topology and reachability, such as
> Address Resolution Protocol (ARP), Neighbor Discovery (ND), Dynamic
> Host Configuration Protocol (DHCP), multicast Domain Name Server
> (mDNS), etc../
>
> + Also, how would you classify protocols like OSPF, PIM, VRRP etc that
> are dependent on multicast? Even if you do not consider them relevant
> for this framework, perhaps you should briefly mention them?
>
> /[Linda] I don’t think we can enumerate all network protocols (many of
> them use multicast). The purpose is to differentiate multicast
> originated by network nodes and the multicast originated by
> applications. /
>
DHCP and mDNS are applications ("L7").
Network nodes don't originate anything; their protocol layers do (link,
network, transport, application).
It might be useful to focus on the difference being "network
infrastructure" vs "user applications" as the better way to describe the
difference. I don't think "network nodes vs. applications" is clear or
meaningful.
Joe
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