.NET (Core and Framework)

//RemoteObject
 public class X : MarshalByRefObject
    {
        public int x;
        public X()
        {
            Console.WriteLine("some X object is done...");
        }
        public void PrintAboutMe()
        {
            ILease itfILease = (ILease)RemotingServices.GetLifetimeService(this);
            Console.WriteLine("CurrentState: " + itfILease.CurrentState);
            Console.WriteLine("InitialLeaseTime: " + itfILease.InitialLeaseTime.Minutes +
                ":" + itfILease.InitialLeaseTime.Seconds);
            Console.WriteLine("CurrentLeaseTime: " + itfILease.CurrentLeaseTime.Minutes +
                ":" + itfILease.CurrentLeaseTime.Seconds);
            Console.WriteLine("RenewOnCallTime: " + itfILease.RenewOnCallTime.Minutes +
                ":" + itfILease.RenewOnCallTime.Seconds);
            Console.WriteLine("SponsorShipTime: " + itfILease.SponsorshipTimeout.Minutes +
                ":" + itfILease.SponsorshipTimeout.Seconds);
            Console.WriteLine("x = " + x);
        }
        public override object InitializeLifetimeService()
        {
            ILease itfLease = (ILease)base.InitializeLifetimeService();
            if (itfLease.CurrentState == LeaseState.Initial)
            {
                itfLease.InitialLeaseTime = TimeSpan.FromSeconds(10);
                itfLease.RenewOnCallTime = TimeSpan.FromSeconds(6);
                itfLease.SponsorshipTimeout = TimeSpan.FromSeconds(6);
            }
           // return null;
            return itfLease;
        }
        public void IncrementX()
        {
            x++;
            Console.WriteLine("\nIncrement x member ...\n");
        }
        public void ChangeLifetime()
        {
            ILease itfILease = (ILease)RemotingServices.GetLifetimeService(this);
            itfILease.Renew(TimeSpan.FromSeconds(20));
        }
    }
//SponsorObjectCode
    public class MySponsor : MarshalByRefObject, ISponsor
    {
        public TimeSpan Renewal(ILease il)
        {
            Console.WriteLine("I've been asked to renew the lease.");          
            return TimeSpan.FromSeconds(20);
        }
    }

//ClientCode:
 public static void Main(string[] args)
        {
            HttpChannel c = new HttpChannel(null,
                new BinaryClientFormatterSinkProvider(),
                null);
            ChannelServices.RegisterChannel(c);

            RemotingConfiguration.RegisterActivatedClientType(
                typeof(X), "http://localhost:667");

            X x = new X();
            Console.WriteLine("Client runs...");      

            x.x = 8;
            x.PrintAboutMe();

            ILease serverLease = (ILease)RemotingServices.GetLifetimeService(x);
            MySponsor sponsor = new MySponsor();
            serverLease.Register(sponsor);

            x.IncrementX();
            Thread.Sleep(8000);
            x.ChangeLifetime();
            x.PrintAboutMe();
           
            Console.ReadKey();
        }

//ServerCode:
static void Main(string[] args)
        {
            BinaryServerFormatterSinkProvider serverProv = new BinaryServerFormatterSinkProvider();
            serverProv.TypeFilterLevel = System.Runtime.Serialization.Formatters.TypeFilterLevel.Full;
            IDictionary props = new Hashtable();
            props["port"] = 667;

            HttpChannel c = new HttpChannel(props,
                null,
                serverProv);
           
            ChannelServices.RegisterChannel(c );
                RemotingConfiguration.RegisterActivatedServiceType(
                 typeof(X));

            Console.WriteLine("Server runs...");           
            Console.ReadKey();
        }