diff --git a/ZeroLevel/Services/Network/DiscoveryClient.cs b/ZeroLevel/Services/Network/DiscoveryClient.cs
deleted file mode 100644
index 74c4d2a..0000000
--- a/ZeroLevel/Services/Network/DiscoveryClient.cs
+++ /dev/null
@@ -1,211 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Net;
-using System.Threading;
-using ZeroLevel.Models;
-using ZeroLevel.Services.Collections;
-
-namespace ZeroLevel.Network
-{
-    public class DiscoveryClient
-        : IDiscoveryClient
-    {
-        private sealed class DCRouter:
-            IDisposable
-        {
-            private ReaderWriterLockSlim _lock = new ReaderWriterLockSlim();
-            private IEnumerable<ServiceEndpointInfo> _empty = Enumerable.Empty<ServiceEndpointInfo>();
-            private List<ServiceEndpointInfo> _services = new List<ServiceEndpointInfo>();
-
-            private Dictionary<string, RoundRobinCollection<ServiceEndpointInfo>> _tableByKey;
-            private Dictionary<string, RoundRobinCollection<ServiceEndpointInfo>> _tableByGroups;
-            private Dictionary<string, RoundRobinCollection<ServiceEndpointInfo>> _tableByTypes;
-
-            internal void Update(IEnumerable<ServiceEndpointsInfo> records)
-            {
-                if (records == null)
-                {
-                    Log.Warning("[DiscoveryClient] UpdateServiceListInfo. Discrovery response is empty");
-                    return;
-                }
-                var services = new List<ServiceEndpointInfo>();
-                foreach (var service in records)
-                {
-                    var key = service.ServiceKey.ToUpperInvariant();
-                    var type = service.ServiceType.ToUpperInvariant();
-                    var group = service.ServiceGroup.ToUpperInvariant();
-                    services.AddRange(service.Endpoints.Select(e => new ServiceEndpointInfo { Endpoint = e, Group = group, Key = key, Type = type }));
-                }
-                _lock.EnterWriteLock();
-                try
-                {
-                    _services = services;
-                    _tableByKey = _services.GroupBy(r => r.Key).ToDictionary(g => g.Key, g => new RoundRobinCollection<ServiceEndpointInfo>(g));
-                    _tableByTypes = _services.GroupBy(r => r.Type).ToDictionary(g => g.Key, g => new RoundRobinCollection<ServiceEndpointInfo>(g));
-                    _tableByGroups = _services.GroupBy(r => r.Group).ToDictionary(g => g.Key, g => new RoundRobinCollection<ServiceEndpointInfo>(g));
-                }
-                catch (Exception ex)
-                {
-                    Log.Error(ex, "[DiscoveryClient] UpdateServiceListInfo. Update local routing table error.");
-                }
-                finally
-                {
-                    _lock.ExitWriteLock();
-                }
-            }
-
-            public ServiceEndpointInfo GetService(string serviceKey, string endpoint)
-            {
-                var key = serviceKey.ToUpperInvariant();
-                _lock.EnterReadLock();
-                try
-                {
-                    if (_tableByKey.ContainsKey(key) && _tableByKey[key].Count > 0)
-                    {
-                        return _tableByKey[key].Find(s => s.Endpoint.Equals(endpoint, StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
-                    }
-                }
-                finally
-                {
-                    _lock.ExitReadLock();
-                }
-                return null;
-            }
-
-            public IEnumerable<ServiceEndpointInfo> GetServiceEndpoints(string serviceKey)
-            {
-                var key = serviceKey.Trim().ToUpperInvariant();
-                _lock.EnterReadLock();
-                try
-                {
-                    if (_tableByKey.ContainsKey(key) && _tableByKey[key].Count > 0)
-                    {
-                        return _tableByKey[key].GetCurrentSeq();
-                    }
-                }
-                finally
-                {
-                    _lock.ExitReadLock();
-                }
-                return _empty;
-            }
-
-            public IEnumerable<ServiceEndpointInfo> GetServiceEndpointsByGroup(string serviceGroup)
-            {
-                var group = serviceGroup.Trim().ToUpperInvariant();
-                _lock.EnterReadLock();
-                try
-                {
-                    if (_tableByGroups.ContainsKey(group) && _tableByGroups[group].Count > 0)
-                    {
-                        return _tableByGroups[group].GetCurrentSeq();
-                    }
-                }
-                finally
-                {
-                    _lock.ExitReadLock();
-                }
-                return _empty;
-            }
-
-            public IEnumerable<ServiceEndpointInfo> GetServiceEndpointsByType(string serviceType)
-            {
-                var type = serviceType.Trim().ToUpperInvariant();
-                _lock.EnterReadLock();
-                try
-                {
-                    if (_tableByTypes.ContainsKey(type) && _tableByTypes[type].Count > 0)
-                    {
-                        return _tableByTypes[type].GetCurrentSeq();
-                    }
-                }
-                finally
-                {
-                    _lock.ExitReadLock();
-                }
-                return _empty;
-            }
-
-            public void Dispose()
-            {
-                _lock.Dispose();
-            }
-        }
-
-        private readonly DCRouter _router = new DCRouter();
-        private readonly ExClient _discoveryServerClient;
-
-        public DiscoveryClient(ExClient client)
-        {
-            _discoveryServerClient = client;
-            UpdateServiceListInfo();
-            Sheduller.RemindEvery(TimeSpan.FromSeconds(30), UpdateServiceListInfo);
-        }
-
-        private void UpdateServiceListInfo()
-        {
-            _discoveryServerClient.ForceConnect();
-            if (_discoveryServerClient.Status == SocketClientStatus.Working)
-            {
-                try
-                {
-                    var ir = _discoveryServerClient.Request<IEnumerable<ServiceEndpointsInfo>>("services", records => _router.Update(records));
-                    if (!ir.Success)
-                    {
-                        Log.Warning($"[DiscoveryClient] UpdateServiceListInfo. Error request to inbox 'services'. {ir.Comment}");
-                    }
-                }
-                catch (Exception ex)
-                {
-                    Log.Error(ex, "[DiscoveryClient] UpdateServiceListInfo. Discrovery service response is absent");
-                }
-            }
-            else
-            {
-                Log.Warning("[DiscoveryClient] UpdateServiceListInfo. No connection to discovery server");
-            }
-        }
-
-        public bool Register(ZeroServiceInfo info)
-        {
-            _discoveryServerClient.ForceConnect();
-            if (_discoveryServerClient.Status == SocketClientStatus.Working)
-            {
-                bool result = false;
-                try
-                {
-                    _discoveryServerClient.Request<ZeroServiceInfo, InvokeResult>("register", info, r =>
-                    {
-                        result = r.Success;
-                        if (!result)
-                        {
-                            Log.Warning($"[DiscoveryClient] Register canceled. Discovery reason: {r.Comment}. Comment: {r.Comment}");
-                        }
-                    });
-                }
-                catch (Exception ex)
-                {
-                    Log.Error(ex, "[DiscoveryClient] Register fault");
-                }
-                return result;
-            }
-            else
-            {
-                Log.Warning("[DiscoveryClient] Register. No connection to discovery server");
-                return false;
-            }
-        }
-
-        public IEnumerable<ServiceEndpointInfo> GetServiceEndpoints(string serviceKey) => _router.GetServiceEndpoints(serviceKey);
-        public IEnumerable<ServiceEndpointInfo> GetServiceEndpointsByGroup(string serviceGroup) => _router.GetServiceEndpointsByGroup(serviceGroup);
-        public IEnumerable<ServiceEndpointInfo> GetServiceEndpointsByType(string serviceType) => _router.GetServiceEndpointsByType(serviceType);
-        public ServiceEndpointInfo GetService(string serviceKey, string endpoint) => _router.GetService(serviceKey, endpoint);
-
-        public void Dispose()
-        {
-            _router.Dispose();
-            _discoveryServerClient.Dispose();
-        }
-    }
-}
\ No newline at end of file
diff --git a/ZeroLevel/ZeroLevel.csproj b/ZeroLevel/ZeroLevel.csproj
index f588533..1095f6f 100644
--- a/ZeroLevel/ZeroLevel.csproj
+++ b/ZeroLevel/ZeroLevel.csproj
@@ -5,16 +5,17 @@
     <Description>Infrastructure layer library</Description>
     <Authors>ogoun</Authors>
     <Company>ogoun</Company>
-    <AssemblyVersion>2.0.9.0</AssemblyVersion>
-    <PackageReleaseNotes>Append transliteration ru-latin
-Fix .net core bug https://github.com/dotnet/project-system/issues/589</PackageReleaseNotes>
+    <AssemblyVersion>3.0.0.0</AssemblyVersion>
+    <PackageReleaseNotes>New bootstrap concept
+New network layer
+No backwards compatibility with previous version</PackageReleaseNotes>
     <PackageProjectUrl>https://github.com/ogoun/Zero/wiki</PackageProjectUrl>
     <Copyright>Copyright Ogoun 2019</Copyright>
     <PackageLicenseUrl>https://opensource.org/licenses/MIT</PackageLicenseUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/ogoun/Zero/master/zero.png</PackageIconUrl>
     <RepositoryUrl>https://github.com/ogoun/Zero</RepositoryUrl>
     <RepositoryType>GitHub</RepositoryType>
-    <Version>2.0.9</Version>
+    <Version>3.0.0</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">