disconected SAP GUI

We are frequently getting error "Connection reset by peer" in the SAPGUI. Even Application server and database is running fine still we are facing this after some time and whenever we are working from customer premises.

Could not understand what is the issue? Is there any one face this issue?

log dev_disp.

Fri Dec 05 09:35:14 2014

***LOG Q0I=> NiIRead: P=10.154.XXX.XXX:63683; L=10.224.XXX.XXX:3201: recv (10054: WSAECONNRESET: Connection reset by peer) [nixxi.cpp 5087]

*** ERROR => NiIRead: SiRecv failed for hdl 55/sock 1696

(SI_ECONN_BROKEN/10054; I4; ST; P=10.154.XXX.XXX:63683; L=10.224.XXX.XXX:3201) [nixxi.cpp 5087]

DpRTmPrepareReq: network error of client T51, NiBufReceive (-6: NIECONN_BROKEN), dp_tm_status=3

DpRTmPrepareReq: client address of T51 is 10.154.XXX.XXX(10.154.XXX.XXX)

***LOG Q04=> DpRTmPrep, NiBufReceive (13070XNAME51 XCOMNAME65) [dpxxdisp.c 12344]

RM-T51, U13070, 100 XNAME, XCOMPNAME, 09:29:26, M0, W3, ZFIA, 3/2

Best Regards

Tomek