Re: [sidr] [Idr] draft-ietf-sidr-bgpsec-threats-02: Path shortening & lengthening

Stephen Kent <kent@bbn.com> Tue, 10 April 2012 01:35 UTC

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Date: Mon, 9 Apr 2012 20:52:46 -0400
To: robert@raszuk.net
From: Stephen Kent <kent@bbn.com>
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Cc: "idr@ietf.org List" <idr@ietf.org>, "Sriram, Kotikalapudi" <kotikalapudi.sriram@nist.gov>, "sidr@ietf.org" <sidr@ietf.org>
Subject: Re: [sidr] [Idr] draft-ietf-sidr-bgpsec-threats-02: Path shortening & lengthening
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At 6:29 PM +0200 4/9/12, Robert Raszuk wrote:
>Hi Sriram,
>
>>  When the update is to leave a BGPSEC island to go to a BGP-4 only AS,
>>  then the Secure Path is easily converted to BGP-4 AS_PATH at the edge
>>  of the BGPSEC island.
>
>What happens in the opposite direction ?

you can't go in the opposite direction, i.e., from unsigned to signed.

Steve