[aodvv2-discuss] Re: Questions - Applicability Statement
- From: Charlie Perkins <charles.perkins@xxxxxxxxxxxxx>
- To: aodvv2-discuss@xxxxxxxxxxxxx
- Date: Thu, 16 Apr 2015 09:37:03 -0700
Hello Vicky,
Comments below...
On 4/16/2015 6:55 AM, Victoria Mercieca wrote:
This email contains questions about the applicability statement
(Section 4 in Version 9a and Section 3 in Version 9b):
* 'If AODVv2 is the only protocol interacting with the route table'
- could someone expand on this paragraph as I didn't completely
understand it. The router will already send a request for any
destination, if the source of the packet to be sent is a router
client. Does it mean it will respond to a RREQ even if it is not
responsible for the target?
This is a slightly complicated question. First, an AODVv2 router can
also be an OLSR router, an OSPF router, and/or a RIP router.
All of those other protocols are not prohibited by AODVv2, but by the
same token AODVv2 does not have (or need) mechanisms
to protect against incompatible updates. My opinion is that it's better
to NOT do this, but I don't want to get into the argument.
Second, an AODVv2 router can respond to any RREQ if it's obeying the
intermediate RREP specification, which I have rewritten
and am almost ready to resubmit.
I am afraid I didn't answer your question.
* The bit about sparse traffic scenarios - is this because of
unicast routes? Does the statement still apply if we have subnets
configured as Router Clients?
No, it's because of the on-demand nature of the protocol. It is not
related to router clients.
Basically, "sparse traffic" ==> "fewer application launches" ==> fewer
routes needed ==> less control traffic.
Here, "sparseness" refers to traffic patterns, not volume of traffic.
* The paragraph about emergency scenarios - I cant help interpreting
this as "AODVv2 is great if you don't want any security" - seems a
bit strange to say this, especially with the changes we need to
make to the security section.
Strange but true. If your need for communication "HELP I AM ON FIRE
HELP" is stronger
than your need for security, then you will be very happy to have AODVv2
running.
However, obviously AODVv2 has to allow for strong security as well.
Regards,
Charlie P.
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