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  Reply # 710390 1-Nov-2012 13:37 Send private message

mercutio: 

for dynamic content you don't have to set - content shouldn't be cached without caching headers.  the reason static content gets cached is because a lot of caches cache based upon the last modified time.



IMO in practice you pretty much need to set them due to the many idiosyncratic behaviours of the various caching proxies

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  Reply # 716152 13-Nov-2012 07:55 Send private message

Has anyone noticed if this is fixed yet? I keep forgetting to check when I'm at home.

With the new Amazon Sydney data centre coming online soon it'd be good to have a lower latency connection to Australia.




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  Reply # 716831 14-Nov-2012 09:04 Send private message

Note the time to get to the new Amazon AWS SYD POP and the time to get to the CloudFlare SYD POP:


Tracing route to d39yedjjim14sn.cloudfront.net (54.240.176.166) over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms srp521w (192.168.2.1)
2 * * * Request timed out.
3 9 ms 8 ms 9 ms lo0.internet.ivpn.pe25.telstraclear.net (218.101.61.124)
4 48 ms 17 ms 17 ms ie2-g-0-0-0.telstraclear.net (203.98.50.2)
5 17 ms 19 ms 28 ms ge-0-2-0-1.xcore1.acld.telstraclear.net (203.98.50.251)
6 23 ms 18 ms 19 ms unknown.telstraglobal.net (134.159.174.41)
7 44 ms 43 ms 43 ms i-0-1-4-1.sydo-core02.bx.telstraglobal.net (202.84.140.181)
8 46 ms 68 ms 49 ms i-0-7-2-0.sydp-core01.bi.telstraglobal.net (202.84.223.21)
9 44 ms 45 ms 43 ms i-11-0-0.sydp01.bi.telstraglobal.net (202.84.220.210)
10 44 ms 43 ms 43 ms unknown.telstraglobal.net (134.159.124.86)
11 46 ms 46 ms 46 ms 54.240.192.73
12 58 ms 44 ms 52 ms 54.240.192.157
13 44 ms 41 ms 43 ms server-54-240-176-166.syd1.r.cloudfront.net (54.240.176.166)

Tracing route to geekzone.co.nz (108.162.203.66) over a maximum of 30 hops:

1 464 ms <1 ms <1 ms srp521w (192.168.2.1)
2 * * * Request timed out.
3 19 ms 8 ms 13 ms lo0.internet.ivpn.pe25.telstraclear.net (218.101.61.124)
4 22 ms 30 ms 17 ms ie2-g-0-0-0.telstraclear.net (203.98.50.2)
5 17 ms 76 ms 18 ms ge-0-2-0-1.xcore1.acld.telstraclear.net (203.98.50.251)
6 19 ms 19 ms 18 ms unknown.telstraglobal.net (134.159.174.41)
7 43 ms 43 ms 57 ms i-0-0-4-0.sydo-core02.bx.telstraglobal.net (202.84.142.153)
8 43 ms 43 ms 44 ms i-0-3-2-0.sydo-core01.bi.telstraglobal.net (202.84.220.190)
9 98 ms 93 ms 97 ms i-3-2.pthp-core01.bi.telstraglobal.net (202.84.249.193)
10 144 ms 153 ms 145 ms i-1-1-0.6ntp-core01.bx.telstraglobal.net (202.84.141.45)
11 148 ms 148 ms 147 ms i-0-1-0-1.6ntp01.bi.telstraglobal.net (202.84.180.142)
12 148 ms 148 ms 166 ms p10026.sgw.equinix.com (202.79.197.20)
13 148 ms 149 ms 148 ms 141.101.77.253
14 147 ms 147 ms 147 ms 108.162.203.66


This wasn't the case until three weeks or so ago (when I started this topic), as back then access to the CloudFlare SYD POP was as fast as the Amazon access is now. 






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  Reply # 716834 14-Nov-2012 09:08 Send private message

So TC has made Amazon (Cloudfront) access fast, but kept Cloudflare access slow. Gee thanks TC.




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  Reply # 716854 14-Nov-2012 09:31 Send private message

Got an official reply today. This is outside of TelstraClear network...





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  Reply # 716858 14-Nov-2012 09:35 Send private message

Surely there's something they can do though. If it's a problem with their upstream provider don't they have influence?

I may have to switch to a a different CDN. Cloudfront would only cost me about $1/month, they trouble is integration with Wordpress or how to set it up. There's probably a plugin for that though.




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  Reply # 716871 14-Nov-2012 09:58 Send private message

I'd imagine so, but it seems we hit a wall here.

I have contact CloudFlare to see if they can do anything on their side.




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  Reply # 716877 14-Nov-2012 10:02 Send private message

Between Cloudflare and Telstra you'd think they have the network knowledge, people, and connections to get it fixed up... the question is is it significant enough for them to bother with.




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  Reply # 716878 14-Nov-2012 10:05 Send private message

My hope is that one day Cloudflare or Amazon will have a New Zealand POP. Because we can't rely on ISPs' international connectivity - they really don't give a damn to how fast things are.




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  Reply # 716880 14-Nov-2012 10:10 Send private message

I wouldn't hold your breath on that one. A small edge location to cache static content shouldn't be too difficult, but a full amazon data centre probably isn't worth their while.




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  Reply # 716882 14-Nov-2012 10:11 Send private message

What about Akamai?







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  Reply # 716886 14-Nov-2012 10:23 Send private message

Akamai is not accessible to small publishers due to costs.




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  Reply # 716910 14-Nov-2012 10:58 Send private message

So I assume this map is accurate, and reflects why there is an issue?





I work for Spark, but as always my views are my own.

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  Reply # 717076 14-Nov-2012 14:48 Send private message

plambrechtsen: So I assume this map is accurate, and reflects why there is an issue?



|------------------------------------------------------------------------------------------|
|                                      WinMTR statistics                                   |
|                       Host              -   %  | Sent | Recv | Best | Avrg | Wrst | Last |
|------------------------------------------------|------|------|------|------|------|------|
|                            192.168.2.1 -    0 |   22 |   22 |    1 |    7 |   29 |    1 |
|                             192.168.5.1 -    0 |   22 |   22 |    1 |    5 |   24 |    1 |
|                   No response from host -  100 |    5 |    0 |    0 |    0 |    0 |    0 |
|                          218.101.61.101 -    0 |   22 |   22 |    9 |   18 |   68 |   10 |
|            ie2-g-0-0-0.telstraclear.net -    0 |   22 |   22 |   22 |   31 |   65 |   24 |
| ge-0-2-0-1.xcore1.acld.telstraclear.net -    0 |   22 |   22 |   23 |   29 |   80 |   24 |
|               unknown.telstraglobal.net -    0 |   22 |   22 |   22 |   27 |   39 |   27 |
|i-0-6-4-0.tlot-core01.bx.telstraglobal.net -    0 |   22 |   22 |  153 |  158 |  179 |  153 |
|       i-4-1.eqla01.bi.telstraglobal.net -    0 |   22 |   22 |  147 |  157 |  241 |  241 |
|              frn-edge-02.inet.qwest.net -    0 |   22 |   22 |  153 |  155 |  163 |  153 |
|              los-edge-03.inet.qwest.net -    0 |   22 |   22 |  153 |  156 |  166 |  154 |
|a23-11-83-82.deploy.akamaitechnologies.com -    0 |   22 |   22 |  155 |  159 |  174 |  156 |
|________________________________________________|______|______|______|______|______|______|
   WinMTR v0.92 GPL V2 by Appnor MSP - Fully Managed Hosting & Cloud Provider

and now let's look back in time...

 
http://www.geekzone.co.nz/forums.asp?forumid=44&topicid=103317&page_no=2#635733

|------------------------------------------------------------------------------------------|
|                                      WinMTR statistics                                   |
|                       Host              -   %  | Sent | Recv | Best | Avrg | Wrst | Last |
|------------------------------------------------|------|------|------|------|------|------|
|                             192.168.2.1 -    0 |  110 |  110 |    1 |    3 |  127 |    1 |
|                             192.168.5.1 -    1 |  106 |  105 |    2 |    3 |   13 |    2 |
|                   No response from host -  100 |   22 |    0 |    0 |    0 |    0 |    0 |
|                          218.101.61.101 -    1 |  107 |  106 |   10 |   16 |  187 |   12 |
|            ie2-g-0-0-0.telstraclear.net -    1 |  106 |  105 |   23 |   27 |   76 |   24 |
| ge-0-2-0-1.xcore1.acld.telstraclear.net -    1 |  107 |  106 |   20 |   28 |   68 |   29 |
|    te7-3.ccr01.sjc05.atlas.cogentco.com -    1 |  107 |  106 |  148 |  162 |  351 |  149 |
|    te4-4.mpd01.sjc03.atlas.cogentco.com -    1 |  107 |  106 |  148 |  197 |  389 |  242 |
|            ntt.sjc03.atlas.cogentco.com -    1 |  107 |  106 |  149 |  151 |  161 |  149 |
|a23-10-131-82.deploy.akamaitechnologies.com -    1 |  107 |  106 |  146 |  152 |  172 |  151 |
|________________________________________________|______|______|______|______|______|______|
   WinMTR v0.92 GPL V2 by Appnor MSP - Fully Managed Hosting & Cloud Provider



Yes Peter, seems TCL has dropped the cogentco.com capacity they were using.


Interestingly I note that VF us Vocus as their upstream, so I wonder if we'll see a consolidation and change shortly?

                             My traceroute  [v0.75]
mx.yournet.co.nz (0.0.0.0)                             Wed Nov 14 14:35:07 2012
Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                       Packets               Pings
 Host                                Loss%   Snt   Last   Avg  Best  Wrst StDev
 1. 202.68.81.105                     0.0%    12    0.1   0.1   0.1   0.2   0.0
 2. ge0-3.cr2.wlg.dts.net.nz          0.0%    12    8.4  16.2   7.1  25.2   6.5
 3. v856.ge0-1.cr2.akl.dts.net.nz     0.0%    12   20.6  30.7  17.3 113.3  26.4
 4. ip-249.203.31.114.VOCUS.net.au    0.0%    12   30.5  25.9  18.3  38.6   6.6
 5. ten-0-2-0-300.bdr02.akl01.akl.VO  0.0%    12   47.9  50.9  42.0  59.1   5.5
 6. ten-0-0-0-2.cor03.syd03.nsw.VOCU  0.0%    12   49.8  53.0  44.5  71.8   7.5
 7. ten-1-3-0.cor02.syd03.nsw.VOCUS.  0.0%    12   54.5  50.4  41.0  59.3   5.7
 8. ge-0-3-1.bdr02.syd03.nsw.VOCUS.n  0.0%    12   59.0  53.9  41.6  65.9   7.5
 9. 202.167.228.102                   0.0%    12   51.1  53.0  44.2  66.0   7.3
10. a122-252.43-82.deploy.akamaitech  0.0%    11   46.9  49.2  41.7  61.9   6.7


This is via DTS, but they join Vocus as well and pick up AL from Sydney.

The obvious question to ask is has TCL been chopping and changing providers around so much that the upstreams have got a bit sick of it and are just picking up BGP announcements from where ever?

It looks to me like TGlobal has got some miss routing in there...

|i-0-3-2-0.sydo-core01.bi.telstraglobal.net -    0 |    5 |    5 |   48 |   52 |   68 |   49 |
|i-0-0-2.pthp-core01.bi.telstraglobal.net -    0 |    5 |    5 |  103 |  104 |  106 |  106 |
|i-1-1-0.6ntp-core01.bx.telstraglobal.net -    0 |    5 |    5 |  152 |  152 |  154 |  152 |
|   i-0-1-0-1.6ntp01.bi.telstraglobal.net -    0 |    5 |    5 |  153 |  158 |  169 |  156 |
|                  p10026.sgw.equinix.com -    0 |    5 |    5 |  153 |  154 |  155 |  155 |


Something in Sydney thinks it should pick up the equinix anouncements from Perth, then it just goes pear shape from there.

| ge-0-2-0-1.xcore1.acld.telstraclear.net -   50 |    2 |    1 |   26 |   26 |   26 |   26 |
|               unknown.telstraglobal.net -    0 |    5 |    5 |   24 |   24 |   25 |   24 |
|i-0-1-4-1.sydo-core02.bx.telstraglobal.net -    0 |    5 |    5 |   49 |   53 |   66 |   50 |

But TelstraGlobal is the direct upstream from TCL, so that's some shocking customer service there from both TG and TCL.  They're not even talking to each other to sort it out are they? 

MF's response indicates "not local, can't help".

But is this being over looked by TG because they don't expect to stay the TCL upstream for long enough to make fixing worth while?

From www.telstra.net/ops

1 GigabitEthernet3-3.exi1.Melbourne.telstra.net (203.50.77.49) 0.312 ms
0.329 ms 0.242 ms
2 TenGigabitEthernet0-12-0-2.exi-core1.Melbourne.telstra.net
(203.50.80.1) 1.865 ms 0.978 ms 2.865 ms
3 Bundle-Ether12.chw-core2.Sydney.telstra.net (203.50.11.74) 21.231 ms
23.342 ms 23.980 ms
4 TenGigabitEthernet8-1.ken45.Sydney.telstra.net (203.50.19.64) 15.106
ms 14.971 ms 14.981 ms
5 pacnet2.lnk.telstra.net (139.130.94.34) 14.986 ms 14.848 ms 14.855
ms
6 te0-2-0-0.cr2.syd5.asianetcom.net (203.192.174.181) 15.982 ms 18.967
ms 15.733 ms
7 gi3-1-3.gw1.syd2.asianetcom.net (203.192.174.162) 16.109 ms 15.722
ms 15.607 ms
8 CDF-0011.asianetcom.net (203.192.167.86) 73.951 ms 72.147 ms 40.093
ms
9 108.162.203.66 (108.162.203.66) 15.856 ms 15.723 ms 15.735 ms


But tell me what's going on between T and TG? T.au pick up CF from Asianetcom in Sydney.

That suggests volumes to me, but we all know I wear a TFH, so who really knows what's going on.


D




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  Reply # 717159 14-Nov-2012 15:51 Send private message

freitasm: My hope is that one day Cloudflare or Amazon will have a New Zealand POP. Because we can't rely on ISPs' international connectivity - they really don't give a damn to how fast things are.


We care! - we have people 24/7/365 monitoring this sort of stuff.

One thing to remember about the ISP Map is that it does not show up many direct peering sessions with CDN's etc - its only major transit routes, so for example it does not show peering's with the linkes of Google/Akamai/AWS - and importantly the IX's like Equnix.

(From CBD Auckland across Snap's network - taken from our primary DNS server)

traceroute to d39yedjjim14sn.cloudfront.net (54.240.176.105), 30 hops max, 60 byte packets
 1  1.33.69.111.dynamic.snap.net.nz (111.69.33.1)  0.109 ms  0.100 ms  0.096 ms
 2  23655.syd.equinix.com (202.167.228.156)  23.334 ms  23.341 ms  23.307 ms
 3  16509.syd.equinix.com (202.167.228.131)  23.298 ms  23.303 ms  23.304 ms
 4  server-54-240-176-105.syd1.r.cloudfront.net (54.240.176.105)  23.300 ms  23.295 ms  23.287 ms


traceroute to geekzone.co.nz (108.162.203.66), 30 hops max, 60 byte packets
 1  1.33.69.111.dynamic.snap.net.nz (111.69.33.1)  0.158 ms  0.147 ms  0.139 ms
 2  23655.syd.equinix.com (202.167.228.156)  23.244 ms  23.244 ms  23.237 ms
 3  13335.syd.equinix.com (202.167.228.154)  23.293 ms  23.299 ms  23.292 ms
 4  108.162.203.66 (108.162.203.66)  23.526 ms  23.281 ms  23.282 ms




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