RE: [dhcwg] dhcpv6-24: randomization delay before invoking DHC

Most implementation always comes up stateless fyi.

/jim

> -----Original Message-----
> From: Ralph Droms [mailto:rdroms@cisco.com]
> Sent: Wednesday, May 08, 2002 7:38 PM
> To: dhcwg@ietf.org
> Subject: Re: [dhcwg] dhcpv6-24: randomization delay before 
> invoking DHC
> 
> 
> Thomas comment (below) raised a question in my mind.  Is the 
> state of the 
> managedFlag always go to FALSE or is it maintained across systems 
> restarts?  That is, does a host always come up in stateless 
> mode and then 
> switch to stateful upon receipt of the first RA.  If the 
> client does always 
> come up in stateless mode, does the following text cause the 
> first Solicit 
> to be delayed until at least the receipt of the first RA?
> 
> 17.1.2. Transmission of Solicit Messages
> 
>     The first Solicit message from the client on the interface MUST
>     be delayed by a random amount of time between MIN_SOL_DELAY and
>     MAX_SOL_DELAY. In the case of a Solicit message 
> transmitted when DHCP
>     is initiated by IPv6 Neighbor Discovery, the delay gives 
> the amount
>     of time to wait after the ManagedFlag changes from FALSE 
> to TRUE (see
>     section 5.5.3 of RFC2462).  This random delay 
> desynchronizes clients
>     which start at the same time (for example, after a power outage).
> 
> 
> At 11:00 AM 5/8/2002 -0400, Thomas Narten wrote:
> 
> >Also, the delay should be tied to receipt of the first RA that says
> >use DHC. On a power outage, all the clients will get the first RA at
> >the same time. This is the issue where having a random delay would
> >seem to be most important.
> >
> >Thomas
> >
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> 
> 
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