C# Tcp传输 不稳定 是不是小弟我的消息太大

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace NetLib
{
    [Serializable]
    public class NetMsg
    {
        #region 常量定义
        public const string ALL_PEOPLE = "/all";
        public const int BUFFER_SIZE = 4000;
        public const int OPR_MOV = 0;
        public const int OPR_CREATE = 1;
        public const int OPR_START_MOV = 2;
        public const int OPR_DESTROY = 3;
        public const int OPR_LOST_BLOOD = 4;
        public const int OPR_STOP_MOV = 5;
        public const int OPR_TURN=6;
        public const int LOGIN = 7;
        public const int LOGOUT = 8;
        public const int ROOM_APPLY = 9;
        public const int ROOM_ENTER = 10;
        public const int OPR_CHAT=11;
        public const int ROOM_CREATE=12;
        public const int MAX_ROOM = 13;
        public const int MAX_USER = 14;
        public const int ROOM_FULL = 15;
        public const int ROOMS_INFO=16;
        public const int USERS_INFO=17;
        public const int LOGIN_OK = 18;
        public const int LOGIN_FAIL = 19;
        public const int CONNECTED = 20;
        public const int IMALIVE=21;//心跳包
        public const int REG_APPLY = 22;
        public const int OPR_SENDIP = 23;
        public const int ROOM_EXIT = 24;
        public const int OPR_UR_MASTER = 25;//你是房主 
        public const int OPR_START_GAME = 26;//进入游戏
        public const int OPR_PREPARE = 27;//准备消息 
        public const int OPR_CAN_START = 28;//可以开始游戏
        public const int REG_OK = 29;
        public const int REG_FAIL = 30;
        public const int OPR_FIRE = 31;
        public const int TYPE_TANK = 32;
        public const int TYPE_MISSILE = 33;
        public const int TYPE_BASE = 34;
        public const int TYPE_BLAST = 35;
        public const int OPR_STARTED = 36;
        #endregion 常量定义结束

        public int roomNumber;
        public int clientID;
        public int operation;
        public int objType;
        public int objNumber;
        public int locationX;
        public int locationY;
        public int direction;
        public int addtionInt;
        public string addtionInfo;//额外信息，如发送的消息、ip地址等等
        public int receiverID;
        public List<String> setValues;
        public string username;
        public string password;
    }
}