diff --git a/Cargo.lock b/Cargo.lock
index 1b4141e6..75a1595a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,7 +17,7 @@ dependencies = [
 
 [[package]]
 name = "abstract-ns"
-version = "0.2.4"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -123,6 +123,15 @@ name = "byteorder"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "bytes"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "cfg-if"
 version = "0.1.0"
@@ -207,13 +216,13 @@ dependencies = [
 
 [[package]]
 name = "domain"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-core 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -264,7 +273,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "futures-cpupool"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -332,6 +341,15 @@ dependencies = [
  "serialization 0.1.0",
 ]
 
+[[package]]
+name = "iovec"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "itoa"
 version = "0.3.1"
@@ -347,7 +365,7 @@ dependencies = [
  "serde 0.9.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 0.9.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 0.9.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-core 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -358,7 +376,7 @@ dependencies = [
  "hyper 0.10.0-a.0 (git+https://github.com/ethcore/hyper)",
  "jsonrpc-core 6.0.0 (git+https://github.com/ethcore/jsonrpc.git)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-core 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -523,9 +541,10 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.6.4"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazycell 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -610,13 +629,13 @@ dependencies = [
 
 [[package]]
 name = "ns-dns-tokio"
-version = "0.1.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "abstract-ns 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "domain 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "abstract-ns 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "domain 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-core 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -655,21 +674,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "p2p"
 version = "0.1.0"
 dependencies = [
- "abstract-ns 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "abstract-ns 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitcrypto 0.1.0",
  "csv 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-cpupool 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-cpupool 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "message 0.1.0",
  "network 0.1.0",
- "ns-dns-tokio 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ns-dns-tokio 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "primitives 0.1.0",
  "rand 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serialization 0.1.0",
  "time 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-core 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -836,7 +855,7 @@ dependencies = [
  "serialization 0.1.0",
  "sync 0.1.0",
  "test-data 0.1.0",
- "tokio-core 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "verification 0.1.0",
 ]
 
@@ -1069,14 +1088,27 @@ dependencies = [
 
 [[package]]
 name = "tokio-core"
-version = "0.1.4"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "bytes 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "scoped-tls 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "tokio-io"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1178,7 +1210,7 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [metadata]
-"checksum abstract-ns 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a018091c9b967b119102067689bdb44abced52378df48c3cf43b353d4820250a"
+"checksum abstract-ns 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5a00cdf28920eceb4053815221b1ddf9c9c665230f710ec66c7f204fb9dbb052"
 "checksum aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ca972c2ea5f742bfce5687b9aef75506a764f61d37f8f649047846a9686ddb66"
 "checksum ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "23ac7c30002a5accbf7e8987d0632fa6de155b7c3d39d0067317a391e00a2ef6"
 "checksum app_dirs 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b7d1c0d48a81bbb13043847f957971f4d87c81542d80ece5e84ba3cba4058fd4"
@@ -1190,24 +1222,26 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
 "checksum byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0fc10e8cc6b2580fda3f36eb6dc5316657f812a3df879a44a66fc9f0fdbc4855"
 "checksum byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c40977b0ee6b9885c9013cd41d9feffdd22deb3bb4dc3a71d901cc7a77de18c8"
+"checksum bytes 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "46112a0060ae15e3a3f9a445428a53e082b91215b744fa27a1948842f4a64b96"
 "checksum cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de1e760d7b6535af4241fca8bd8adf68e2e7edacc6b29f5d399050c5e48cf88c"
 "checksum clap 2.20.5 (registry+https://github.com/rust-lang/crates.io-index)" = "7db281b0520e97fbd15cd615dcd8f8bcad0c26f5f7d5effe705f090f39e9a758"
 "checksum cookie 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d53b80dde876f47f03cda35303e368a79b91c70b0d65ecba5fd5280944a08591"
 "checksum crossbeam 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "0c5ea215664ca264da8a9d9c3be80d2eaf30923c259d03e870388eb927508f97"
 "checksum csv 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7ef22b37c7a51c564a365892c012dc0271221fdcc64c69b19ba4d6fa8bd96d9c"
 "checksum deque 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1614659040e711785ed8ea24219140654da1729f3ec8a47a9719d041112fe7bf"
-"checksum domain 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "725459994103308a8476a95d8115280b1359dccc06ca14291df75f37459a9e30"
+"checksum domain 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "98a3da08ed0ae31d52bed986d9faa378534056e538b9ce61a43498ac89cd2c60"
 "checksum dtoa 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "80c8b71fd71146990a9742fc06dcbbde19161a267e0ad4e572c35162f4578c90"
 "checksum elastic-array 0.6.0 (git+https://github.com/ethcore/elastic-array)" = "<none>"
 "checksum env_logger 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "15abd780e45b3ea4f76b4e9a26ff4843258dd8a3eed2775a0e7368c2e7936c2f"
 "checksum eth-secp256k1 0.5.6 (git+https://github.com/ethcore/rust-secp256k1)" = "<none>"
 "checksum futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8e51e7f9c150ba7fd4cee9df8bf6ea3dea5b63b68955ddad19ccd35b71dcfb4d"
-"checksum futures-cpupool 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9e48a3fff6a58fe9df1eed13d2599650416a987386c43a19aec656c3e6a2c229"
+"checksum futures-cpupool 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "257b356f43df6266091b58eadffbe881f053a8646c4a8ba9edce98d63814caab"
 "checksum gcc 0.3.43 (registry+https://github.com/rust-lang/crates.io-index)" = "c07c758b972368e703a562686adb39125707cc1ef3399da8c019fc6c2498a75d"
 "checksum heapsize 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "5a376f7402b85be6e0ba504243ecbc0709c48019ecc6286d0540c2e359050c88"
 "checksum httparse 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a6e7a63e511f9edffbab707141fbb8707d1a3098615fb2adbd5769cdfcc9b17d"
 "checksum hyper 0.10.0-a.0 (git+https://github.com/ethcore/hyper)" = "<none>"
 "checksum idna 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1053236e00ce4f668aeca4a769a09b3bf5a682d802abd6f3cb39374f6b162c11"
+"checksum iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "29d062ee61fccdf25be172e70f34c9f6efc597e1fb8f6526e8437b2046ab26be"
 "checksum itoa 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eb2f404fbc66fd9aac13e998248505e7ecb2ad8e44ab6388684c5fb11c6c251c"
 "checksum jsonrpc-core 6.0.0 (git+https://github.com/ethcore/jsonrpc.git)" = "<none>"
 "checksum jsonrpc-http-server 6.0.0 (git+https://github.com/ethcore/jsonrpc.git)" = "<none>"
@@ -1226,14 +1260,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum memchr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1dbccc0e46f1ea47b9f17e6d67c5a96bd27030519c519c9c91327e31275a47b4"
 "checksum mime 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b5c93a4bd787ddc6e7833c519b73a50883deb5863d76d9b71eb8216fb7f94e66"
 "checksum mio 0.6.1 (git+https://github.com/ethcore/mio.git)" = "<none>"
-"checksum mio 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "eecdbdd49a849336e77b453f021c89972a2cfb5b51931a0026ae0ac4602de681"
+"checksum mio 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "aa30e3753079b08ce3d75cf3b44783e36fe0e1f64065f65c1d894d1688fb2580"
 "checksum miow 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "3e690c5df6b2f60acd45d56378981e827ff8295562fc8d34f573deb267a59cd1"
 "checksum miow 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3a78d2605eb97302c10cf944b8d96b0a2a890c52957caf92fcd1f24f69049579"
 "checksum murmur3 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ece7fe85164ffce69891c581b6b035a3c2f66dd3459f299d43d5efff90663e22"
 "checksum net2 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)" = "18b9642ad6222faf5ce46f6966f59b71b9775ad5758c9e09fcf0a6c8061972b4"
 "checksum nix 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a0d95c5fa8b641c10ad0b8887454ebaafa3c92b5cd5350f8fc693adafd178e7b"
 "checksum nodrop 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "52cd74cd09beba596430cc6e3091b74007169a56246e1262f0ba451ea95117b2"
-"checksum ns-dns-tokio 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "43330aab5077c311b390b62147feb44316cb5b754b97d28c92210e6c6b7baff7"
+"checksum ns-dns-tokio 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d634a7fb515639b11b21ff4fd1c9282ba689ab7287e47dd6e1f58f6d3c1245b2"
 "checksum num-traits 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)" = "e1cbfa3781f3fe73dc05321bed52a06d2d491eaa764c52335cf4399f046ece99"
 "checksum num_cpus 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a18c392466409c50b87369414a2680c93e739aedeb498eb2bff7d7eb569744e2"
 "checksum odds 0.2.25 (registry+https://github.com/rust-lang/crates.io-index)" = "c3df9b730298cea3a1c3faa90b7e2f9df3a9c400d0936d6015e6165734eefcba"
@@ -1273,7 +1307,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum thread-id 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4437c97558c70d129e40629a5b385b3fb1ffac301e63941335e4d354081ec14a"
 "checksum thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "8576dbbfcaef9641452d5cf0df9b0e7eeab7694956dd33bb61515fb8f18cfdd5"
 "checksum time 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)" = "211b63c112206356ef1ff9b19355f43740fc3f85960c598a93d3a3d3ba7beade"
-"checksum tokio-core 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "3d1be481b55126f02ef88ff86748086473cb537a949fc4a8f4be403a530ae54b"
+"checksum tokio-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "99e958104a67877907c1454386d5482fe8e965a55d60be834a15a44328e7dc76"
+"checksum tokio-io 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6a278fde45f1be68e44995227d426aaa4841e0980bb0a21b981092f28c3c8473"
 "checksum unicase 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "13a5906ca2b98c799f4b1ab4557b76367ebd6ae5ef14930ec841c74aed5f3764"
 "checksum unicode-bidi 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d3a078ebdd62c0e71a709c3d53d2af693fe09fe93fbff8344aebe289b78f9032"
 "checksum unicode-normalization 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "e28fa37426fceeb5cf8f41ee273faa7c82c47dc8fba5853402841e665fcd86ff"
diff --git a/p2p/Cargo.toml b/p2p/Cargo.toml
index 0c13ce12..c7472b5b 100644
--- a/p2p/Cargo.toml
+++ b/p2p/Cargo.toml
@@ -4,15 +4,15 @@ version = "0.1.0"
 authors = ["debris <marek.kotewicz@gmail.com>"]
 
 [dependencies]
-tokio-core = "0.1.1"
+tokio-core = "0.1"
 parking_lot = "0.3"
 futures = "0.1"
 futures-cpupool = "0.1"
 time = "0.1"
 rand = "0.3"
 log = "0.3"
-abstract-ns = "0.2.1"
-ns-dns-tokio = "0.1"
+abstract-ns = "0.3"
+ns-dns-tokio = "0.3"
 csv = "0.15"
 
 primitives = { path = "../primitives" }