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Topic # 42304 1-Oct-2009 22:00
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Is there any logic behind what is cached and what isnt.

Right now I am watching one thing come in at line speed from the cache, yet two other equally popular torrents are not (11k/sec, yay)

Even trying to add peer with its IPs and port doesnt get the others going via the cache.

Is there a way to get utorrent to prefer the cache IPs? I am wondering if all the other peer connections mean that there are just no free slots on that torrent to connect to the cache.





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  Reply # 260354 1-Oct-2009 22:13
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First off Great to know what shows you pirate :D,

I'm taking they cache popular torrents, it is possible that you could one of the first slingshot users to download that torrent from a particular site, so of course it isnt cached yet.



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  Reply # 260363 1-Oct-2009 22:32
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Its not that simple, sometimes I will get the cache connecting when its only got a few% - I am assuming that it only fills off slingshot peers that are in its allowed list which is why it will download off users too.

When there are many torrents of the same thing on the site, I ususally get the one with the most peers, but there may be something that the cache looks for when deciding what to cache that means that a lower peer count one may be a better choice.




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  Reply # 260391 1-Oct-2009 23:31
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Do you know what trackers they use. I've not see the torrent caching but I have heard of it happening locally.



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  Reply # 260398 1-Oct-2009 23:55
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This is all stuff that uses openbittorrent.com as its tracker. have added publicbt.com as well, which is what they all had in them a few weeks back and a whole lot of other public trackers that I got off a list from a forum but still some torrents are just not getting that magic of the cache happening. I am guessing they have some criteria to prevent things where a multitude of torrents for the same thing are cached seperatly.




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  Reply # 260402 2-Oct-2009 00:27
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maybe try using a private tracker, I know of a few trackers that my mates get Very good speeds from on popular torrents and they are on slingshot



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  Reply # 260403 2-Oct-2009 00:39
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I am on private ones, and that means seeding out and also no chance that the cache will have things. When something is cached, its very very good, and there is no need to seed out.




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  Reply # 260412 2-Oct-2009 02:57
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Make sure you're using SS DNS and be thankful that some stuff is cached. Also have to remember that more popular on your torrent site doesn't mean more popular with what other SS users are downloading.

I'm pretty sure they are using PeerApp for their p2p cachine so a google should help you out on how it actually works.



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  Reply # 260640 2-Oct-2009 17:26
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Using my own DNS, not gonna change taht sorry since I have many entries for my domain in it that are not the same as the ones that the internet serves up. Is that how they spoof the trackers etc so that you hit theirs not the real one? I think I always get the SS Cache thru peer exchange.

I guess I could torrent in a VM that uses their DNS and see if it helps.




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  Reply # 262025 7-Oct-2009 13:01
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They're using Oversi. Testing it for over a year now.



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  Reply # 262062 7-Oct-2009 14:35
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So why does it work so seldom? I wouldnt care except speeds are so damn low otherwise.

Also does traffic from us to the cache count, it seems to fill up from users rather then the rest of the swarm.




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  Reply # 262109 7-Oct-2009 15:55
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Slingshot forums posted today Slingshot accelerates delivery of P2P and Streaming content Slingshot posted a media release.

Slingshot accelerates delivery of P2P and Streaming content

Slingshot has delivered the best overall broadband performance for the first half of this year by independent body Epitiro, and the recent partnership with Oversi will ensure things only get better for Slingshot customers.

In order to optimise the internet experience, Slingshot has become the first ISP in Australasia to deploy Oversi cache technology. The deployment of the cache is notable because for the first time it will accelerate over-the-top (OTT) content for Slingshot customers; caching will now include peer to peer, video streaming such as You Tube and other media applications. This type of usage represents some of the fastest growing traffic on ISP networks around the world.

General Manager of Slingshot, Mark Callander says ?Oversi is a world leader in providing caching solutions and this partnership enables us to continue providing our customers with the best internet experience in NZ. With Oversi?s experience working with major network operators all over the world and the guaranteed improvement in speed for our customers, the decision to partner with Oversi meant we would continue to lead the market.?

Callander continued ?the deployment of the cache was a natural step given increasing customer demand for streaming international content. This demand combined with the high cost of international bandwidth capacity meant that the caching was a great solution. Not only have large downloads been accelerated, but peer-to-peer and streaming as well ? including HD content. This enables customers to make the most of free downloading periods offered by Slingshot, and ensures that they can have a positive experience during peak times. ?

?During the implementation phase we have worked closely with selected customers and closely monitored feedback, and they just love the increased speeds. We have also made some tweaks to the system that enables customers not to view cached content if they prefer ? it can simply be turned on and off as they wish. The customer is in control of the experience they want.?

?These investments have paid off with Slingshot ranking as the top of the broadband provider by Epitiro, and we have also won TUANZ Telecommunications Carrier of the Year ? something the entire team is really proud of? concluded Callander.


Mark Callander
General Manager



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  Reply # 262281 7-Oct-2009 23:49
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So are they replacing their Blue Coat stuff or using both?

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  Reply # 262291 8-Oct-2009 01:44
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Ragnor: So are they replacing their Blue Coat stuff or using both?

I've asked that on the forums.




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  Reply # 262311 8-Oct-2009 09:04
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OverSi only does P2P, so unlikley they would replace the Bluecoats as the do the http caching.


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  Reply # 262316 8-Oct-2009 09:16
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SoundDude, OverSi doesn't only do P2P, they do video as well other html caching.
http://www.oversi.com/products/overcache-msp/overcache-video.html

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