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76 posts

Master Geek


  Reply # 77979 13-Jul-2007 12:53
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Data caps are archaic - just like the rest of the network!
shaping or QOS is the way to go for traffic management (eg go-large)
Be interesting to see what plans ISP deliver after unbundling

BDFL - Memuneh
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Reply # 77980 13-Jul-2007 13:02
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Shaping is bad since it goes against the Net Neutrality concept. What if your ISP decides to shape packets you use for VoIP to another provider, while make their own VoIP faster? Isn't this bad?

What if Xtra decides to make requests to the Yahoo!Xtra website go through faster than the requests going to Google? Would you be happy with that?

What if you are a video producing company in New Zealand, working on Peter Jackson's next big movie, but you can't use a legitimate P2P network to aggregate the work of different sources just because some clown on their ISP decided that all P2P is bad?

No, you are going the wrong way there.





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Ultimate Geek
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  Reply # 77983 13-Jul-2007 13:17
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freitasm:
What if Xtra decides to make requests to the Yahoo!Xtra website go through faster than the requests going to Google? Would you be happy with that?


It's actually happening, some IDC said that they got list of favourite destination in their network...



76 posts

Master Geek


  Reply # 77985 13-Jul-2007 13:21
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sorry Mauricio I wasn't clear enough
I ment shaping on a bandwidth per user basis,
Maybe prioritising business customers over home user connections.
Not down to a specific application, protocol or URL basis
(those are evil uses for QOS and I agree with you there!)


76 posts

Master Geek


Reply # 78029 13-Jul-2007 20:32
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from wikipedia

http://en.wikipedia.org/wiki/Traffic_shaping
In addition, intelligent shaping schemes can guarantee a particular Quality of Service (often measured in jitter, packet loss, and latency) for an application or a user while still allowing other traffic to use all remaining bandwidth. This allows ISPs to offer Differentiated services and to upsell existing services to subscribers (such as offering minimum-latency computer gaming for an additional fee on top of basic internet).

http://en.wikipedia.org/wiki/Differentiated_services
however with implementation of QoS for wireless links, such as EV-DO, where the air-interface bandwidth is an order of several magnitudes less than the backhaul, QoS is being used to efficiently deliver VoIP packets where not otherwise achievable.

As of 2003, there is a glut of fibre capacity in most parts of the telecoms market (except NZ), with it being far easier and cheaper to add more capacity than to employ elaborate DiffServ policies as a way of increasing customer satisfaction. In fact, this is what is generally done in the core of the Internet, which is generally fast and dumb with "fat pipes" connecting its routers.


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