[AusNOG] ubiquitous peering

[Mark Smith]

>________________________________
> From: Michael Kahl <michael at kahl.id.au>
>To: Tom Sykes <tomsykes at nbnco.com.au> 
>Cc: "ausnog at lists.ausnog.net" <ausnog at lists.ausnog.net> 
>Sent: Thursday, 20 December 2012 12:12 AM
>Subject: Re: [AusNOG] ubiquitous peering
> 
>
>There may be benefits to peering within an NBN POI at some stage in the future if full end to end connectivity is restored (no NAT) or if there's a peer to peer "killer app" that dramatically changes traffic patterns, but for now even for the biggest players I'm guessing the traffic levels would make it difficult to even justify the port costs of peering within a POI, let alone buying cross connects, rackspace, etc.
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>What seems really shortsighted of the NBN is that there's basically no provision for directly serving content to the end user out of the POI, and looking at most of the sites even if the NBN wanted to allow it they're going to be severely limited by lack of power and space with the sites they've chosen.
>

I think you've misunderstood what Tom said. NBNco are putting infrastructure to support RSPs putting gear in the POIs.

To facilitate peering in the POIs, RSPs would need to terminate customers' sessions in them (i.e. the PPPoE or DHCP(v4/v6) sessions), so that the RSPs that are co-located in a POI can trade "bare" layer 3 packets with each other, as well as co-located CDN providers. This means the RSPs need to be prepared to put BNGs(/BRAS/NAS/RAS - it's Thursday so it's BNG today) in the POIs. RSPs tend to have large investments in large BNGs, so I'm not sure if they'd be willing to move to a many/smaller BNG model to facilitate this traffic locality. Other benefits would be less consequences of BNG failure (i.e. less subscribers impacted, less subscriber dissatisfaction and less calls to the helpdesk), and the ability to buy lower end and therefore more common and off the shelf devices (i.e. commodity devices) to use BNGs.


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>This might not be a huge issue today in Australia seeing as there's very limited options available for streaming HD content, but it's only a matter of time. What happens when we have a Netflix available over here? Or even when Foxtel work out that broadcasting content is a thing of the past and people want the content they pay for available when they want it, ie streaming on demand. 
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>In the US the CDN's are already pushing into the local exchanges to keep up with the growing demand, but what happens next here? Is NBN confident in its bet that we won't need local content in the network that it says will be getting us through the next 50 years?
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>On Wed, Dec 19, 2012 at 6:52 PM, Tom Sykes <tomsykes at nbnco.com.au> wrote:
>
>This is one of the reasons why we are installing a series of RSP co-location racks in all the POIs (I.e to enable someone to setup a peering point of they wished. We understand traffic volumes today may not necessarily justify it just yet though)
>>
>>
>>Regards
>>Tom Sykes
>>NBN Co Limited
>>
>>
>>
>>On 19/12/2012, at 5:43 PM, "Joseph Goldman" <joe at apcs.com.au> wrote:
>>
>>> The problem seems as you suggest, having full L3 gear at each POI, possible for some, not for others who would probably rather L2 link it straight back to a more central POP.
>>>
>>> However the idea has merit, I believe Adam Internet do a similar thing with their ADSL2+ Infrastructure in South Australia. I only read a little bit about it but I believe it is what you are talking about (exchange based peering) but they control it in the sense of having a community server in that area (newsgroups or DC or <other p2p protocol>. I can't seem to find much info on it now though.
>>>
>>>
>>> On 19/12/12 5:38 PM, Jake Anderson wrote:
>>>> So I was wondering and the list seems quiet.
>>>> With P2P content (games, skype etc not just torrents) soaking a decent amount of traffic, and the NBN having relatively few "exchanges" if you will, I wonder about the possibility of peering at that level.
>>>>
>>>> IE within each POI everybody sees if the traffic actually needs to leave said POI.
>>>> Presumably routers and such would need to be configured automatically but I wonder how much of a gain there would be from it.
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