问tnsping结果大于0毫秒。什么是解决方案？

EN

C:\Documents and Settings\sdemirkeser>tnsping belsoft 20

TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 17-MAY-2
012 09:23:32

Copyright (c) 1997, 2005, Oracle.  All rights reserved.

 Used parameter files:
 C:\oracle\product\10.2.0\db_1\network\admin\sqlnet.ora

 Used TNSNAMES adapter to resolve the alias
 Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)
 (HOST = 127.0.0.1)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = BELSOFT)))
OK (20 msec)
OK (10 msec)
OK (20 msec)
OK (0 msec)
OK (10 msec)
OK (20 msec)
OK (10 msec)
OK (0 msec)
OK (20 msec)
OK (20 msec)
OK (10 msec)
OK (0 msec)
OK (20 msec)
OK (10 msec)
OK (20 msec)
OK (10 msec)
OK (0 msec)
OK (20 msec)
OK (10 msec)
OK (20 msec)

C:\Documents and Settings\sdemirkeser>ping localhost

32 bayt veri ile sdemirkeser [127.0.0.1] 'ping' ediliyor:

127.0.0.1 cevabı: bayt=32 süre<1ms TTL=128
127.0.0.1 cevabı: bayt=32 süre<1ms TTL=128
127.0.0.1 cevabı: bayt=32 süre<1ms TTL=128
127.0.0.1 cevabı: bayt=32 süre<1ms TTL=128

127.0.0.1 için Ping istatistiği:
    Paket: Giden = 4, Gelen = 4, Kaybolan = 0 (0% kayıp),
Mili saniye türünden yaklaşık tur süreleri:
    En Az = 0ms, En Çok = 0ms, Ortalama = 0ms