Guohai,
https://datatracker.ietf.org/doc/draft-randriamasy-alto-cost-calendar/
presents an extension to add time-dependency to cost maps. Eg, the
extended cost map could say the cost from A->B is 20 from 9:00 to 12:00,
and 10 from 12:00 to 17:00, etc.
Would that solve your problem?
- Wendy Roome
On 04/08/2015, 15:00, "[email protected]" <[email protected]>
wrote:
>Message: 1
>Date: Wed, 8 Apr 2015 13:18:44 +0000
>From: ChenGuohai <[email protected]>
>To: ??? <[email protected]>, Richard Yang Y. <[email protected]>
>Cc: "[email protected]" <[email protected]>
>Subject: Re: [alto] Ato extension for representing SDN policies
>Message-ID: <[email protected]>
>Content-Type: text/plain; charset="gb2312"
>
>Hi Huaming,All
>Getting policy rules does benefit to traffic optimization. In addition to
>that it can reduce ALTO request and response.
>For example, a policy is that band between a pair of src(A)and dst is 20M
>between 11:00 to 14:00 and is 10M for other time. And band between other
>src(B,C,D ....) and this dst is 15M. The ALTO client can use this policy
>in selecting more optimal peers without sending ATLO cost map request to
>ALTO server now and then.
>ALTO client select src(A) as the peer between 11:00 to 14:00 and one of
>src(B,C,D....) at other time.
>Make sense?
>
>BR
>Guohai
>
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