负载均衡算法（四）IP Hash负载均衡算法

    /// <summary>
    /// IP Hash负载均衡算法
    /// </summary>
    public static class IpHash
    {
        static Dictionary<string, int> dic = new Dictionary<string, int>
        {
            { "192.168.1.12", 1},
            {"192.168.1.13", 1 },
            { "192.168.1.14", 3},
            { "192.168.1.15", 1},
            {"192.168.1.16", 1},
            {"192.168.1.17", 1 },
            { "192.168.1.18", 1},
            { "192.168.1.19", 1}
        };

        public static string ipHash(string remoteIp)
        {
            List<string> keys = dic.Keys.ToList();

            int hashCode = Math.Abs(remoteIp.GetHashCode());
            int serverListSize = keys.Count;
            int serverPos = hashCode % serverListSize;

            return keys[serverPos];
        }

    }