how to interpret the server name switch

The WCF service that I created works fine when tested locally but does only randomly when deployed on the company's test server.

I have some questions on what I see.

Given the deployment location of the application, I am able to browse to the svc file as below.

http://srvdev/BU/Appname/Appname.svc

But the page (the default page for svc) shows a slightly different address, something like this.

http://abcdef802w.domain.root.org/BU/Appname/Appname.svc?singleWsdl

Meaning the server name that I used to deploy is replaced with a new server name. Sometimes it is abcdef801w.domain.root.org. What are those names? the actual servers that balance load for "srvdev"?

Until sometime when I click on the link http://abcdef802w.domain.root.org/BU/Appname/Appname.svc?singleWsdl
it was not working but now it seems to work and my test client also works. Does it take a little while for a WCF service to actually "start"?

Now when I add a service reference should I use the http://abcdef802w.domain.root.org/BU/Appname/Appname.svc or the actual server name on which I deployed as http://srvdev/BU/Appname/Appname.svc?

How do I interpret the server name switch here? I don't know much about IIS configuration and this switching of server names seems to be an effect of how IIS is configured for load balancing, perhaps?
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ol muserTechnology GeneralistAsked:
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RobConnect With a Mentor Owner (Aidellio)Commented:
Not exactly... what I meant was it sounds like is the SRVDEV is being resolved to its FQDN name and by the look of it there is more than one entry for it.  As you said, could be the load balancing but hard to know.  Worth asking your network admins why it is resolving like this.
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RobOwner (Aidellio)Commented:
Sounds like a DNS issue. SRVDEV it's an internal name while the other names are the FQDN of the server you are working with.
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ol muserTechnology GeneralistAuthor Commented:
Thanks for the reply @tagit. If its a DNS issue, then I would have trouble using the server, accessing it right? I don't have any issues that way. So it sounds legit. But some technology behind it that I don't understand.
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