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Re: [Handle-info] Overriding HandleStorage



UDP is now open and it still takes ~4 seconds to resolve.

> On Apr 1, 2016, at 1:27 PM, Robert Tupelo-Schneck <schneck@cnri.reston.va.us> wrote:
> 
> You need to open both UDP 2642 and TCP 2642.  Currently TCP 2642 is open, but not UDP 2642.
> 
> Robert
> 
>> On 2016-04-01, at 13:08, Bartos, Christopher <bartos.25@osu.edu> wrote:
>> 
>> I opened up 2642 and it seems to be the same speed as before.
>> 
>>> On Mar 30, 2016, at 1:53 PM, Bartos, Christopher <bartos.25@osu.edu> wrote:
>>> 
>>> Hello,
>>> 
>>> My plan is to open udp and tcp on port 2642. Thanks for all your help. Sorry, Jane, for not seeing your email last week.
>>> 
>>> Thanks everyone!
>>> 
>>> Forgive the typo... your 1811.1 prefix advertises service on UDP 2642 (not 2641).
>>> 
>>> Robert
>>> 
>>>> On 2016-03-30, at 13:36, Robert Tupelo-Schneck <schneck@cnri.reston.va.us> wrote:
>>>> 
>>>> Chris, your 1811 server is open to public resolution at UDP 2641, TCP 2641, and HTTP 8000.
>>>> 
>>>> Your 1811.1 server is only open on HTTP 8002, but your prefix does advertise service on UDP 2641 and TCP 2642.  As Scott suggested, this is why resolution is slow.
>>>> 
>>>> Best is to open UDP 2642 and TCP 2642 at your firewall.  If strictly necessary, CNRI can change your prefix information to advertise only TCP 8002.
>>>> 
>>>> On a separate note, the resolution behavior at 1811.1 is unusual.  So 1811.1/1112 resolves to the same value at 1811/1112.  I'm curious to hear more about the value of that to you.  Do you want 1811/1112 to be the public handle of record, as it were, or 1811.1/1112?
>>>> 
>>>> Also, you should check your spam filter, as Jane Euler at CNRI emailed you about the matter of the ports being closed last week.
>>>> 
>>>> Best,
>>>> Robert
>>>> 
>>>>> On 2016-03-30, at 12:46, Scott Prater <scott.prater@wisc.edu> wrote:
>>>>> 
>>>>> Yes, that would most definitely be a cause for a delay.  Can you temporarily open the handle server TCP and UDP ports to the world, as see if the resolution is faster?
>>>>> 
>>>>> -- Scott
>>>>> 
>>>>> On 03/30/2016 11:40 AM, Bartos, Christopher wrote:
>>>>>> The only ones we have open to the world is our HTTP protocols opened on
>>>>>> 8002 where the handle server is running on.
>>>>>> 
>>>>>> We have 2 handle servers 1) DSpace instance and 2) Regular Handle Server
>>>>>> 
>>>>>> They are running on HTTP 8000 and HTTP 8002 respectively. Neither of the
>>>>>> UDP / TCP ports are open to the world. Would that be cause of slowness?
>>>>>> 
>>>>>> Thanks,
>>>>>> 
>>>>>> Chris
>>>>>> 
>>>>>>> On Mar 30, 2016, at 12:24 PM, Scott Prater <scott.prater@wisc.edu
>>>>>>> <mailto:scott.prater@wisc.edu>> wrote:
>>>>>>> 
>>>>>>> What ports do you have open to the world on your handle server, to
>>>>>>> which protocols?  In my experience, slowness in resolution is usually
>>>>>>> because the udp handle port is closed to the world, causing the client
>>>>>>> to fall back to tcp, and maybe even http, to resolve.
>>>>>>> 
>>>>>>> Looking at the output of the handle client as it attempts to resolve
>>>>>>> will give you a hint as to where the delay is.
>>>>>>> 
>>>>>>> -- Scott
>>>>>>> 
>>>>>>> On 03/30/2016 10:46 AM, Bartos, Christopher wrote:
>>>>>>>> Hi,
>>>>>>>> 
>>>>>>>> I've overridden the HandleStorage class in Handle Server so that it will
>>>>>>>> attempt to resolve a specific prefix internally, and if it doesn’t
>>>>>>>> resolve, it will attempt to resolve itself, meaning, it runs the normal
>>>>>>>> BDJBEHandleStorage class to resolve it’s own handle.
>>>>>>>> 
>>>>>>>> Here is my new class:
>>>>>>>> https://github.com/lupulin/MultiServerHandleStorage/blob/master/MultiServerHandleStorage.java
>>>>>>>> 
>>>>>>>> My question: it’s pretty quick locally. You can check it:
>>>>>>>> 
>>>>>>>> http://140.254.87.133:8002/1811.1/OSU123 will resolve itself.
>>>>>>>> http://140.254.87.133:8002/1811.1/1112 will resolve a different handle
>>>>>>>> server.
>>>>>>>> 
>>>>>>>> However, going through hdl.handle.net <http://hdl.handle.net>:
>>>>>>>> 
>>>>>>>> http://hdl.handle.net/1811.1/OSU123andhttp://hdl.handle.net/1811.1/1112
>>>>>>>> 
>>>>>>>> Is very, very slow.
>>>>>>>> 
>>>>>>>> My question, is that I’m wondering if there is a way that we can speed
>>>>>>>> up the HandleStorage implementation on our side or if there is nothing
>>>>>>>> we can do. Also, if there is a better way to do what we are attempting.
>>>>>>>> 
>>>>>>>> Our goal is to have 2 handle servers, both with the same prefix, but the
>>>>>>>> one that is publicly available will use our custom HandleStorage class.
>>>>>>>> 
>>>>>>>> Thanks in advance,
>>>>>>>> 
>>>>>>>> Chris
>>>>>>>> 
>>>>>>>> 
>>>>>>>> _______________________________________________
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>>>>>>>> 
>>>>>>> 
>>>>>>> --
>>>>>>> Scott Prater
>>>>>>> Shared Development Group
>>>>>>> General Library System
>>>>>>> University of Wisconsin - Madison
>>>>>> 
>>>>> 
>>>>> --
>>>>> Scott Prater
>>>>> Shared Development Group
>>>>> General Library System
>>>>> University of Wisconsin - Madison
>>>>> 
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>>>> 
>>> 
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