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https://issues.apache.org/jira/browse/CLOUDSTACK-9406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15316598#comment-15316598
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Wido den Hollander commented on CLOUDSTACK-9406:
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Hi! You can take this question to the users mailinglist from CloudStack which
can be found here: http://cloudstack.apache.org/mailing-lists.html
> Enable IPv6 Link-Local in cloud0 interface in System VMs
> --------------------------------------------------------
>
> Key: CLOUDSTACK-9406
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9406
> Project: CloudStack
> Issue Type: Improvement
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: KVM, SystemVM
> Reporter: Wido den Hollander
> Labels: ipv6, link-local, systemvm
>
> Currently a 169.254.0.0/16 address is used for communication between the
> (KVM) hypervisor and a System VM.
> The address is provided through a socket to the SSVM on startup.
> This adds additional complexity since such an address needs to be recorded in
> the database.
> IPv6 provides the Link-Local address starting with fe80:: where it is
> calculated based on the MAC-address.
> This address could be used to communicate with the SSVM without any prior
> communication with it. The Hypervisor knows the MAC address of the SSVM and
> thus it knows which address the SSVM will obtain.
> On this address a provisioning daemon could run instead of the current 'patch
> via socket' scripts.
> Over this address the SSVM could even expose a complete REST-full API which
> can be used to talk to the SSVM.
> Using the IPv6 link-local address would be the first step to IPv6 in the SSVM.
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