Re: [alto] New Incremental Update draft

["Y. Richard Yang" <[e-mail]>]

To add to the info by Wendy, we want the list to know that following the
spirit of running code, the team of ALTO@ODL is also starting to do the
implementation of SSE. If you have interest, please let us know.

Richard

On Tuesday, September 29, 2015, Wendy Roome <[e-mail]>
wrote:

> Folks,
>
> Richard & I updated the incremental update draft:
>
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_internet-2Ddrafts_draft-2Dietf-2Dalto-2Dincr-2Dupdate-2Dsse-2D01.txt&d=AwICAg&c=-dg2m7zWuuDZ0MUcV7Sdqw&r=4G36iiEVb2m_v-0RnP2gx9KZJjYQgfvrOCE3789JGIA&m=DOFJXxQJVz_ERNgTqwtat30JEEXyPxEyMPYBPvV8rqY&s=slfp3TRkN394bivOqmD24pjhcrOGj7qyTMNTJYVSBIQ&e=
>
>
> The primary change was I added a mechanism to let a client tell the server
> to close the stream. This shuts the stream down quickly & cleanly. The
> client can just close the stream, of course, but that can take a while for
> the server to detect, and it looks like an I/O error.
>
> Section 3 summarizes the other changes, most of which are clarifications.
>
> The Alcatel-Lucent public server,
>
> https://urldefense.proofpoint.com/v2/url?u=http-3A__alto.alcatel-2Dlucent.com-3A8000_directory&d=AwICAg&c=-dg2m7zWuuDZ0MUcV7Sdqw&r=4G36iiEVb2m_v-0RnP2gx9KZJjYQgfvrOCE3789JGIA&m=DOFJXxQJVz_ERNgTqwtat30JEEXyPxEyMPYBPvV8rqY&s=TWWzEEQgxCMd17ICx7chi8-DKni-0kcxNL1SVxaxFAo&e=
> , provides an Update Stream
> resource as described in the -01 draft. The server updates the default
> network map every 60 minutes (approximately), and every 5 minutes it
> updates a few routingcost values for the default network map and a few
> property values.
>
> Note that because that server handles the interop test network, the
> updates just replace the current values with the same values. But that
> counts as an update in my server, so it exercises all of the update
> plumbing.
>
> One wart: when you create a new Update Stream, the initial response is
> delayed for 50 seconds. I don't know what causes that delay, but it only
> happens on this particular server, and it is very repeatable. That server
> is in our corporate DMZ, so it may be a result of the firewall, or
> routing, or some other security feature. In any case, once you get over
> the initial 50 second delay, subsequent updates arrive quickly.
>
> Oh yes, I could not find an SSE library, so I had to write my own. I would
> greatly appreciate it if other people could try it and verify that my SSE
> implementation meets the specification.
>
>         - Wendy Roome
>
>
>
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>


-- 
Richard