Problem connecting multiple ios devices in a session using GKSession

Hi everyone, Here's my problem.
I am a beginner in iOS apps development and I am developing an application that requires to connect from 3 to 6 devices together using Bluetooth.
I am not using GKPeerPickerController since it does not allow me to define a Server and Clients.
Instead, I am using GKSession to define a server in GKSessionModeServer and for the moment two clients GKSessionModeClient.
I use the peersWithConnectionState:GKPeerStateAvailable method to find the server and it works fine.
Now the problem is that when I get the server peerID and try to connect the clients with the server using connectToPeer:serverPeerID withTimeout:10, it takes each client from 5 seconds to 5 minutes to join the server in his session. The problem is that it takes a long time for the server to receive the connection request from each client.
Now when I try to connect them when the server changes his state it works without any problem cause I can get the GKSession instance of the server in the method that is called in the clients code when the server availability changes from NO to YES.
My questions are:
- Is it normal that it takes so long for the server to detect the connections requests from each client?
- Is there any other way to establish a connection between devices in a server-client mode using Bluetooth or WiFi?
Thanks for your help and time.

This is a user to user help forum for iPhone users, not for app developers with app development questions.
As a registered developer, you have access to Apple's developer discussions area which is for app developers only for app development questions and answers.

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10/8/14 7:38:06.415 AM SyncServer[2210]: [0x7fa96b506650] |SQLite|Error| Detected out-of-space situation: 0 (Undefined error: 0). 197332201472 bytes free in admin.
10/8/14 7:38:06.417 AM com.apple.launchd.peruser.501[173]: (com.apple.syncservices.SyncServer[2210]) Exited with code: 1
10/8/14 7:38:07.058 AM iCalExternalSync[2161]: [0x7fd62150bac0] |Mingler|Error| failed to connect to the server: NSInvalidReceivePortException connection went invalid while waiting for a reply because a mach port died
10/8/14 7:38:07.308 AM com.apple.launchd.peruser.501[173]: (com.apple.syncservices.SyncServer) Throttling respawn: Will start in 10 seconds
10/8/14 7:38:15.626 AM iTunes[2204]: Entered:_AMMuxedVersion2DeviceConnected, mux-device:2
10/8/14 7:38:15.627 AM iTunes[2204]: Failed to create replacement string
**repeat previous line 33 more times**
10/8/14 7:38:15.636 AM iTunes[2204]: tid:26c0b - unable to query device capabilities
10/8/14 7:38:15.636 AM iTunes[2204]: Failed to create replacement string
**repeat previous line 83 more times**
10/8/14 7:38:16.614 AM com.apple.usbmuxd[1468]: LOCKDOWN_V2_BONJOUR_SERVICE_NAME is _apple-mobdev2._tcp,98c70826
10/8/14 7:38:17.337 AM SyncServer[2214]: [0x7f9dfbd06750] |SQLite|Error| Detected out-of-space situation: 0 (Undefined error: 0). 197332180992 bytes free in admin.
10/8/14 7:38:17.339 AM com.apple.launchd.peruser.501[173]: (com.apple.syncservices.SyncServer[2214]) Exited with code: 1
10/8/14 7:38:17.574 AM com.apple.launchd.peruser.501[173]: (com.apple.syncservices.SyncServer) Throttling respawn: Will start in 10 seconds
10/8/14 7:38:17.854 AM iCalExternalSync[2161]: [0x7fd62150bac0] |Mingler|Error| failed to connect to the server: NSInvalidReceivePortException connection went invalid while waiting for a reply because a mach port died
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10/8/14 7:38:18.457 AM com.apple.SecurityServer[14]: Killing auth hosts
10/8/14 7:38:18.457 AM com.apple.SecurityServer[14]: Session 100043 destroyed
10/8/14 7:38:27.603 AM SyncServer[2217]: [0x7fc1435068a0] |SQLite|Error| Detected out-of-space situation: 0 (Undefined error: 0). 197332176896 bytes free in admin.
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10/8/14 7:38:28.692 AM iCalExternalSync[2161]: [0x7fd62150bac0] |Mingler|Error| failed to connect to the server: NSInvalidReceivePortException connection went invalid while waiting for a reply because a mach port died
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10/8/14 7:38:38.038 AM SyncServer[2218]: [0x7fee62506650] |SQLite|Error| Detected out-of-space situation: 0 (Undefined error: 0). 197332176896 bytes free in admin.
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10/8/14 7:38:38.356 AM iCalExternalSync[2161]: [0x7fd62150bac0] |Mingler|Error| failed to connect to the server: NSInvalidReceivePortException connection went invalid while waiting for a reply because a mach port died
10/8/14 7:38:38.607 AM com.apple.launchd.peruser.501[173]: (com.apple.syncservices.SyncServer) Throttling respawn: Will start in 10 seconds
10/8/14 7:38:39.000 AM AppleMobileDeviceHelper[2216]: [0x10030c760] |Mingler|Error| failed to connect to the server: NSInvalidReceivePortException connection went invalid while waiting for a reply because a mach port died
10/8/14 7:38:48.635 AM SyncServer[2219]: [0x7fd2bad068a0] |SQLite|Error| Detected out-of-space situation: 0 (Undefined error: 0). 197332078592 bytes free in admin.
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10/8/14 7:38:49.315 AM com.apple.launchd.peruser.501[173]: (com.apple.syncservices.SyncServer) Throttling respawn: Will start in 10 seconds
10/8/14 7:38:59.418 AM SyncServer[2220]: [0x7fa659506650] |SQLite|Error| Detected out-of-space situation: 0 (Undefined error: 0). 197332078592 bytes free in admin.
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10/8/14 7:39:00.294 AM iCalExternalSync[2161]: [0x7fd62150bac0] |Mingler|Error| failed to connect to the server: NSInvalidReceivePortException connection went invalid while waiting for a reply because a mach port died
10/8/14 7:39:00.542 AM com.apple.launchd.peruser.501[173]: (com.apple.syncservices.SyncServer) Throttling respawn: Will start in 9 seconds
10/8/14 7:39:00.576 AM AppleMobileDeviceHelper[2216]: [0x10030c760] |Mingler|Error| failed to connect to the server: NSInvalidReceivePortException connection went invalid while waiting for a reply because a mach port died
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http://support.apple.com/kb/ht1495
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Problem connecting multiple ios devices in a session using GKSession

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