# libdatachannel - client-benchmark This directory contains a native client to open Data Channels with WebSocket signaling using libdatachannel and benchmark functionalities. It offers three functionalities; - Benchmark: Bi-directional data transfer benchmark (Also supports One-Way testing) - Constant Throughput Set: Send desired amount of data per second - Multiple Data Channel: Create desired amount of data channel ## Start Signaling Server - Start one of the signaling server from the examples folder. For example start `signaling-server-nodejs` like; - `cd examples/signaling-server-nodejs/` - `npm i` - `npm run start ` ## Start `client-benchmark` Applications Start 2 applications by using example calls below. Then copy one of the client's ID and paste to the other peer's screen to start offering process. ## Usage Examples ### Benchmark for 300 seconds > `./client-benchmark -d 300` Example Output (Offering Peer's Output); ```bash STUN server is stun:stun.l.google.com:19302 The local ID is: H1E3 URL is ws://localhost:8000/H1E3 Waiting for signaling to be connected... 2021-04-10 19:51:31.319 INFO [16449] [rtc::impl::TcpTransport::connect@163] Connected to localhost:8000 2021-04-10 19:51:31.319 INFO [16449] [rtc::impl::TcpTransport::runLoop@331] TCP connected 2021-04-10 19:51:31.321 INFO [16449] [rtc::impl::WsTransport::incoming@118] WebSocket open WebSocket connected, signaling ready Enter a remote ID to send an offer: n790 Offering to n790 Creating DataChannel with label "DC-1" 2021-04-10 19:51:32.464 INFO [16442] [rtc::impl::IceTransport::IceTransport@106] Using STUN server "stun.l.google.com:19302" 2021-04-10 19:51:32.465 INFO [16442] [rtc::impl::PeerConnection::changeSignalingState@1044] Changed signaling state to new 2021-04-10 19:51:32.465 INFO [16442] [rtc::impl::PeerConnection::changeGatheringState@1033] Changed gathering state to in-progress Gathering State: in-progress 2021-04-10 19:51:32.465 INFO [16442] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to gathering Benchmark will run for 300 seconds 2021-04-10 19:51:32.466 INFO [16450] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to connecting 2021-04-10 19:51:32.466 INFO [16450] [rtc::impl::PeerConnection::changeState@1016] Changed state to connecting State: connecting 2021-04-10 19:51:32.489 INFO [16450] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:610: Using STUN server stun.l.google.com:19302 2021-04-10 19:51:32.489 INFO [16449] [rtc::impl::PeerConnection::changeSignalingState@1044] Changed signaling state to connecting 2021-04-10 19:51:32.490 INFO [16450] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to connected 2021-04-10 19:51:32.491 INFO [16453] [rtc::impl::DtlsTransport::runRecvLoop@503] DTLS handshake finished 2021-04-10 19:51:32.497 INFO [16443] [rtc::impl::SctpTransport::processNotification@713] SCTP connected 2021-04-10 19:51:32.497 INFO [16443] [rtc::impl::PeerConnection::changeState@1016] Changed state to connected State: connected DataChannel from n790 open 2021-04-10 19:51:32.542 INFO [16450] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:1328: STUN server binding successful 2021-04-10 19:51:32.589 INFO [16450] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to completed #1 DC-1 Received: 40789 KB/s Sent: 41180 KB/s BufferSize: 65535 TOTL Received: 40789 KB/s Sent: 41180 KB/s 2021-04-10 19:51:34.039 INFO [16450] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:843: STUN server binding failed (timeout) 2021-04-10 19:51:34.039 INFO [16450] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:2206: Candidate gathering done 2021-04-10 19:51:34.039 INFO [16450] [rtc::impl::PeerConnection::changeGatheringState@1033] Changed gathering state to complete Gathering State: complete #2 DC-1 Received: 41709 KB/s Sent: 41774 KB/s BufferSize: 65535 TOTL Received: 41709 KB/s Sent: 41774 KB/s #3 DC-1 Received: 42165 KB/s Sent: 42360 KB/s BufferSize: 65535 TOTL Received: 42165 KB/s Sent: 42360 KB/s #4 DC-1 Received: 42880 KB/s Sent: 42750 KB/s BufferSize: 65535 TOTL Received: 42880 KB/s Sent: 42750 KB/s #5 DC-1 Received: 41771 KB/s Sent: 42097 KB/s BufferSize: 65535 TOTL Received: 41771 KB/s Sent: 42097 KB/s Stats# Received Total: 210 MB Sent Total: 211 MB RTT: 20 ms #6 DC-1 Received: 46235 KB/s Sent: 30433 KB/s BufferSize: 65535 TOTL Received: 46235 KB/s Sent: 30433 KB/s #7 DC-1 Received: 47116 KB/s Sent: 28413 KB/s BufferSize: 65535 TOTL Received: 47116 KB/s Sent: 28413 KB/s #8 DC-1 Received: 46923 KB/s Sent: 32520 KB/s BufferSize: 65535 TOTL Received: 46923 KB/s Sent: 32520 KB/s #9 DC-1 Received: 44513 KB/s Sent: 34020 KB/s BufferSize: 65535 TOTL Received: 44513 KB/s Sent: 34020 KB/s #10 DC-1 Received: 41966 KB/s Sent: 36166 KB/s BufferSize: 65535 TOTL Received: 41966 KB/s Sent: 36166 KB/s Stats# Received Total: 438 MB Sent Total: 373 MB RTT: 19 ms #11 DC-1 Received: 42617 KB/s Sent: 39619 KB/s BufferSize: 65535 TOTL Received: 42617 KB/s Sent: 39619 KB/s #12 DC-1 Received: 43792 KB/s Sent: 43338 KB/s BufferSize: 65535 TOTL Received: 43792 KB/s Sent: 43338 KB/s #13 DC-1 Received: 41715 KB/s Sent: 41585 KB/s BufferSize: 65535 TOTL Received: 41715 KB/s Sent: 41585 KB/s #14 DC-1 Received: 39860 KB/s Sent: 33822 KB/s BufferSize: 65535 TOTL Received: 39860 KB/s Sent: 33822 KB/s #15 DC-1 Received: 47576 KB/s Sent: 25352 KB/s BufferSize: 65535 TOTL Received: 47576 KB/s Sent: 25352 KB/s Stats# Received Total: 655 MB Sent Total: 558 MB RTT: 13 ms ``` ### Benchmark for 300 seconds (Only Send, One Way) Start first peer as; > `./client-benchmark -d 300 -o` Start second peer as; > `./client-benchmark -d 300` Example Output (Offering Peer's Output); ```bash Not Sending data. (One way benchmark). STUN server is stun:stun.l.google.com:19302 The local ID is: 7EaP URL is ws://localhost:8000/7EaP Waiting for signaling to be connected... 2021-04-10 19:54:36.857 INFO [16632] [rtc::impl::TcpTransport::connect@163] Connected to localhost:8000 2021-04-10 19:54:36.857 INFO [16632] [rtc::impl::TcpTransport::runLoop@331] TCP connected 2021-04-10 19:54:36.858 INFO [16632] [rtc::impl::WsTransport::incoming@118] WebSocket open WebSocket connected, signaling ready Enter a remote ID to send an offer: UDL4 Offering to UDL4 Creating DataChannel with label "DC-1" 2021-04-10 19:54:53.381 INFO [16625] [rtc::impl::IceTransport::IceTransport@106] Using STUN server "stun.l.google.com:19302" 2021-04-10 19:54:53.382 INFO [16625] [rtc::impl::PeerConnection::changeSignalingState@1044] Changed signaling state to new 2021-04-10 19:54:53.382 INFO [16625] [rtc::impl::PeerConnection::changeGatheringState@1033] Changed gathering state to in-progress Gathering State: in-progress 2021-04-10 19:54:53.383 INFO [16625] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to gathering Benchmark will run for 300 seconds 2021-04-10 19:54:53.384 INFO [16646] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to connecting 2021-04-10 19:54:53.384 INFO [16646] [rtc::impl::PeerConnection::changeState@1016] Changed state to connecting State: connecting 2021-04-10 19:54:53.475 INFO [16646] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:610: Using STUN server stun.l.google.com:19302 2021-04-10 19:54:53.475 INFO [16632] [rtc::impl::PeerConnection::changeSignalingState@1044] Changed signaling state to connecting 2021-04-10 19:54:53.527 INFO [16646] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:1328: STUN server binding successful 2021-04-10 19:54:53.575 INFO [16646] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to connected 2021-04-10 19:54:53.625 INFO [16646] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to completed #1 DC-1 Received: 0 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 0 KB/s Sent: 0 KB/s 2021-04-10 19:54:54.481 INFO [16653] [rtc::impl::DtlsTransport::runRecvLoop@503] DTLS handshake finished 2021-04-10 19:54:54.491 INFO [16627] [rtc::impl::SctpTransport::processNotification@713] SCTP connected 2021-04-10 19:54:54.491 INFO [16627] [rtc::impl::PeerConnection::changeState@1016] Changed state to connected State: connected DataChannel from UDL4 open #2 DC-1 Received: 84326 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 84326 KB/s Sent: 0 KB/s #3 DC-1 Received: 99387 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 99387 KB/s Sent: 0 KB/s 2021-04-10 19:54:57.025 INFO [16646] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:843: STUN server binding failed (timeout) 2021-04-10 19:54:57.025 INFO [16646] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:2206: Candidate gathering done 2021-04-10 19:54:57.025 INFO [16646] [rtc::impl::PeerConnection::changeGatheringState@1033] Changed gathering state to complete Gathering State: complete #4 DC-1 Received: 94871 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 94871 KB/s Sent: 0 KB/s #5 DC-1 Received: 96259 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 96259 KB/s Sent: 0 KB/s Stats# Received Total: 377 MB Sent Total: 0 MB RTT: 2 ms #6 DC-1 Received: 92873 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 92873 KB/s Sent: 0 KB/s #7 DC-1 Received: 87724 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 87724 KB/s Sent: 0 KB/s #8 DC-1 Received: 95123 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 95123 KB/s Sent: 0 KB/s #9 DC-1 Received: 100022 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 100022 KB/s Sent: 0 KB/s #10 DC-1 Received: 98124 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 98124 KB/s Sent: 0 KB/s Stats# Received Total: 853 MB Sent Total: 0 MB RTT: 2 ms #11 DC-1 Received: 103628 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 103628 KB/s Sent: 0 KB/s #12 DC-1 Received: 106166 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 106166 KB/s Sent: 0 KB/s #13 DC-1 Received: 98410 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 98410 KB/s Sent: 0 KB/s #14 DC-1 Received: 99854 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 99854 KB/s Sent: 0 KB/s #15 DC-1 Received: 98487 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 98487 KB/s Sent: 0 KB/s Stats# Received Total: 1362 MB Sent Total: 0 MB RTT: 2 ms ``` ### Constant Throughput Set 8000 byte, for 300 seconds, send buffer 10000 byte > `./client-benchmark -p -d 300 -r 8000 -b 10000` Example Output (Offering Peer's Output); ```bash STUN server is stun:stun.l.google.com:19302 The local ID is: 5zkC URL is ws://localhost:8000/5zkC Waiting for signaling to be connected... 2021-04-10 19:52:49.788 INFO [16530] [rtc::impl::TcpTransport::connect@163] Connected to localhost:8000 2021-04-10 19:52:49.788 INFO [16530] [rtc::impl::TcpTransport::runLoop@331] TCP connected 2021-04-10 19:52:49.789 INFO [16530] [rtc::impl::WsTransport::incoming@118] WebSocket open WebSocket connected, signaling ready Enter a remote ID to send an offer: WawD Offering to WawD Creating DataChannel with label "DC-1" 2021-04-10 19:52:57.720 INFO [16523] [rtc::impl::IceTransport::IceTransport@106] Using STUN server "stun.l.google.com:19302" 2021-04-10 19:52:57.721 INFO [16523] [rtc::impl::PeerConnection::changeSignalingState@1044] Changed signaling state to new 2021-04-10 19:52:57.721 INFO [16523] [rtc::impl::PeerConnection::changeGatheringState@1033] Changed gathering state to in-progress Gathering State: in-progress 2021-04-10 19:52:57.722 INFO [16523] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to gathering Benchmark will run for 300 seconds 2021-04-10 19:52:57.722 INFO [16533] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to connecting 2021-04-10 19:52:57.722 INFO [16533] [rtc::impl::PeerConnection::changeState@1016] Changed state to connecting State: connecting 2021-04-10 19:52:57.725 INFO [16533] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:610: Using STUN server stun.l.google.com:19302 2021-04-10 19:52:57.727 INFO [16530] [rtc::impl::PeerConnection::changeSignalingState@1044] Changed signaling state to connecting 2021-04-10 19:52:57.826 INFO [16533] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to connected 2021-04-10 19:52:57.828 INFO [16533] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to completed 2021-04-10 19:52:57.829 INFO [16533] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:1328: STUN server binding successful 2021-04-10 19:52:57.884 INFO [16535] [rtc::impl::DtlsTransport::runRecvLoop@503] DTLS handshake finished 2021-04-10 19:52:57.907 INFO [16526] [rtc::impl::SctpTransport::processNotification@713] SCTP connected 2021-04-10 19:52:57.907 INFO [16526] [rtc::impl::PeerConnection::changeState@1016] Changed state to connected State: connected DataChannel from WawD open #1 DC-1 Received: 6515 KB/s Sent: 6577 KB/s BufferSize: 0 TOTL Received: 6515 KB/s Sent: 6577 KB/s #2 DC-1 Received: 7998 KB/s Sent: 7999 KB/s BufferSize: 0 TOTL Received: 7998 KB/s Sent: 7999 KB/s #3 DC-1 Received: 7933 KB/s Sent: 7999 KB/s BufferSize: 0 TOTL Received: 7933 KB/s Sent: 7999 KB/s 2021-04-10 19:53:01.275 INFO [16533] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:843: STUN server binding failed (timeout) 2021-04-10 19:53:01.275 INFO [16533] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:2206: Candidate gathering done 2021-04-10 19:53:01.275 INFO [16533] [rtc::impl::PeerConnection::changeGatheringState@1033] Changed gathering state to complete Gathering State: complete #4 DC-1 Received: 8070 KB/s Sent: 8000 KB/s BufferSize: 0 TOTL Received: 8070 KB/s Sent: 8000 KB/s #5 DC-1 Received: 7984 KB/s Sent: 8000 KB/s BufferSize: 0 TOTL Received: 7984 KB/s Sent: 8000 KB/s Stats# Received Total: 39 MB Sent Total: 39 MB RTT: 0 ms #6 DC-1 Received: 8004 KB/s Sent: 7998 KB/s BufferSize: 0 TOTL Received: 8004 KB/s Sent: 7998 KB/s #7 DC-1 Received: 7997 KB/s Sent: 8000 KB/s BufferSize: 0 TOTL Received: 7997 KB/s Sent: 8000 KB/s #8 DC-1 Received: 8008 KB/s Sent: 8000 KB/s BufferSize: 0 TOTL Received: 8008 KB/s Sent: 8000 KB/s #9 DC-1 Received: 8007 KB/s Sent: 8000 KB/s BufferSize: 0 TOTL Received: 8007 KB/s Sent: 8000 KB/s #10 DC-1 Received: 7999 KB/s Sent: 7999 KB/s BufferSize: 0 TOTL Received: 7999 KB/s Sent: 7999 KB/s Stats# Received Total: 81 MB Sent Total: 81 MB RTT: 0 ms #11 DC-1 Received: 7997 KB/s Sent: 8001 KB/s BufferSize: 0 TOTL Received: 7997 KB/s Sent: 8001 KB/s #12 DC-1 Received: 7981 KB/s Sent: 7997 KB/s BufferSize: 0 TOTL Received: 7981 KB/s Sent: 7997 KB/s #13 DC-1 Received: 8024 KB/s Sent: 8000 KB/s BufferSize: 0 TOTL Received: 8024 KB/s Sent: 8000 KB/s #14 DC-1 Received: 7990 KB/s Sent: 7999 KB/s BufferSize: 0 TOTL Received: 7990 KB/s Sent: 7999 KB/s #15 DC-1 Received: 8001 KB/s Sent: 8002 KB/s BufferSize: 0 TOTL Received: 8001 KB/s Sent: 8002 KB/s Stats# Received Total: 122 MB Sent Total: 122 MB RTT: 0 ms ``` ### Constant Throughput Set 8000 byte, for 300 seconds, send buffer 10000 byte, 5 Data Channel > `./client-benchmark -p -d 300 -r 8000 -b 10000 -c 5` Example Output (Offering Peer's Output); ```bash STUN server is stun:stun.l.google.com:19302 The local ID is: QZ46 URL is ws://localhost:8000/QZ46 Waiting for signaling to be connected... 2021-04-10 19:57:28.562 INFO [17117] [rtc::impl::TcpTransport::connect@163] Connected to localhost:8000 2021-04-10 19:57:28.562 INFO [17117] [rtc::impl::TcpTransport::runLoop@331] TCP connected 2021-04-10 19:57:28.563 INFO [17117] [rtc::impl::WsTransport::incoming@118] WebSocket open WebSocket connected, signaling ready Enter a remote ID to send an offer: lTZA Offering to lTZA Creating DataChannel with label "DC-1" 2021-04-10 19:57:37.371 INFO [17110] [rtc::impl::IceTransport::IceTransport@106] Using STUN server "stun.l.google.com:19302" 2021-04-10 19:57:37.372 INFO [17110] [rtc::impl::PeerConnection::changeSignalingState@1044] Changed signaling state to new 2021-04-10 19:57:37.373 INFO [17110] [rtc::impl::PeerConnection::changeGatheringState@1033] Changed gathering state to in-progress 2021-04-10 19:57:37.373 INFO [17110] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to gathering Gathering State: in-progress Creating DataChannel with label "DC-2" 2021-04-10 19:57:37.373 INFO [17119] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to connecting Creating DataChannel with label "DC-3" 2021-04-10 19:57:37.374 INFO [17119] [rtc::impl::PeerConnection::changeState@1016] Changed state to connecting Creating DataChannel with label "DC-4" Creating DataChannel with label "DC-5" State: Benchmark will run for connecting300 seconds 2021-04-10 19:57:37.376 INFO [17119] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:610: Using STUN server stun.l.google.com:19302 2021-04-10 19:57:37.378 INFO [17117] [rtc::impl::PeerConnection::changeSignalingState@1044] Changed signaling state to connecting 2021-04-10 19:57:37.423 INFO [17119] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:1328: STUN server binding successful 2021-04-10 19:57:37.476 INFO [17119] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to connected 2021-04-10 19:57:37.478 INFO [17119] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:787: Changing state to completed 2021-04-10 19:57:38.383 INFO [17122] [rtc::impl::DtlsTransport::runRecvLoop@503] DTLS handshake finished 2021-04-10 19:57:38.392 INFO [17113] [rtc::impl::SctpTransport::processNotification@713] SCTP connected 2021-04-10 19:57:38.392 INFO [17113] [rtc::impl::PeerConnection::changeState@1016] Changed state to connected State: connected DataChannel from lTZA open DataChannel from lTZA open #DataChannel from lTZA open DataChannel from lTZA open 1 DC-5 Received: 0 KB/s Sent: 79 KB/s BufferSize: 0 DC-3 Received: 0 KB/s Sent: 0 KB/s BufferSize: 0 DC-4 Received: 0 KB/s Sent: 79 KB/s BufferSize: 0 DC-2 Received: 0 KB/s Sent: 0 KB/s BufferSize: 0 DC-1 Received: 0 KB/s Sent: 0 KB/s BufferSize: 0 TOTL Received: 0 KB/s Sent: 158 KB/s DataChannel from lTZA open #2 DC-5 Received: 7960 KB/s Sent: 8000 KB/s BufferSize: 0 DC-3 Received: 7804 KB/s Sent: 8000 KB/s BufferSize: 0 DC-4 Received: 7883 KB/s Sent: 8000 KB/s BufferSize: 0 DC-2 Received: 7882 KB/s Sent: 8000 KB/s BufferSize: 0 DC-1 Received: 7804 KB/s Sent: 8000 KB/s BufferSize: 0 TOTL Received: 39333 KB/s Sent: 40000 KB/s #3 DC-5 Received: 7966 KB/s Sent: 7996 KB/s BufferSize: 81504 DC-3 Received: 8047 KB/s Sent: 7996 KB/s BufferSize: 81504 DC-4 Received: 7958 KB/s Sent: 7996 KB/s BufferSize: 81504 DC-2 Received: 7958 KB/s Sent: 7996 KB/s BufferSize: 81504 DC-1 Received: 8067 KB/s Sent: 7996 KB/s BufferSize: 163597 TOTL Received: 39996 KB/s Sent: 39980 KB/s 2021-04-10 19:57:40.926 INFO [17119] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:843: STUN server binding failed (timeout) 2021-04-10 19:57:40.926 INFO [17119] [rtc::impl::IceTransport::LogCallback@339] juice: agent.c:2206: Candidate gathering done 2021-04-10 19:57:40.926 INFO [17119] [rtc::impl::PeerConnection::changeGatheringState@1033] Changed gathering state to complete Gathering State: complete #4 DC-5 Received: 7970 KB/s Sent: 8002 KB/s BufferSize: 0 DC-3 Received: 7957 KB/s Sent: 8002 KB/s BufferSize: 0 DC-4 Received: 7910 KB/s Sent: 8002 KB/s BufferSize: 0 DC-2 Received: 7967 KB/s Sent: 8002 KB/s BufferSize: 0 DC-1 Received: 7957 KB/s Sent: 8002 KB/s BufferSize: 0 TOTL Received: 39761 KB/s Sent: 40010 KB/s #5 DC-5 Received: 7996 KB/s Sent: 7999 KB/s BufferSize: 0 DC-3 Received: 8006 KB/s Sent: 7999 KB/s BufferSize: 0 DC-4 Received: 8078 KB/s Sent: 7999 KB/s BufferSize: 0 DC-2 Received: 8015 KB/s Sent: 7999 KB/s BufferSize: 0 DC-1 Received: 7928 KB/s Sent: 7999 KB/s BufferSize: 0 TOTL Received: 40023 KB/s Sent: 39995 KB/s Stats# Received Total: 165 MB Sent Total: 166 MB RTT: 1 ms #6 DC-5 Received: 7968 KB/s Sent: 7999 KB/s BufferSize: 0 DC-3 Received: 7962 KB/s Sent: 7999 KB/s BufferSize: 0 DC-4 Received: 7965 KB/s Sent: 7999 KB/s BufferSize: 0 DC-2 Received: 7970 KB/s Sent: 7999 KB/s BufferSize: 0 DC-1 Received: 8044 KB/s Sent: 7999 KB/s BufferSize: 0 TOTL Received: 39909 KB/s Sent: 39995 KB/s #7 DC-5 Received: 6658 KB/s Sent: 8001 KB/s BufferSize: 82228 DC-3 Received: 6584 KB/s Sent: 8001 KB/s BufferSize: 163596 DC-4 Received: 6572 KB/s Sent: 8001 KB/s BufferSize: 163596 DC-2 Received: 6571 KB/s Sent: 8001 KB/s BufferSize: 163596 DC-1 Received: 6492 KB/s Sent: 8001 KB/s BufferSize: 163596 TOTL Received: 32877 KB/s Sent: 40005 KB/s #8 DC-5 Received: 5773 KB/s Sent: 7997 KB/s BufferSize: 0 DC-3 Received: 6555 KB/s Sent: 7997 KB/s BufferSize: 0 DC-4 Received: 6164 KB/s Sent: 7997 KB/s BufferSize: 0 DC-2 Received: 6241 KB/s Sent: 7997 KB/s BufferSize: 0 DC-1 Received: 5454 KB/s Sent: 7997 KB/s BufferSize: 0 TOTL Received: 30187 KB/s Sent: 39985 KB/s #9 DC-5 Received: 7442 KB/s Sent: 8002 KB/s BufferSize: 326921 DC-3 Received: 7580 KB/s Sent: 8002 KB/s BufferSize: 326921 DC-4 Received: 7363 KB/s Sent: 8002 KB/s BufferSize: 326921 DC-2 Received: 7524 KB/s Sent: 8002 KB/s BufferSize: 326921 DC-1 Received: 7362 KB/s Sent: 8002 KB/s BufferSize: 408769 TOTL Received: 37271 KB/s Sent: 40010 KB/s #10 DC-5 Received: 6134 KB/s Sent: 7999 KB/s BufferSize: 244963 DC-3 Received: 8032 KB/s Sent: 7999 KB/s BufferSize: 326286 DC-4 Received: 5897 KB/s Sent: 7999 KB/s BufferSize: 326286 DC-2 Received: 5657 KB/s Sent: 7999 KB/s BufferSize: 326286 DC-1 Received: 5581 KB/s Sent: 7999 KB/s BufferSize: 326286 TOTL Received: 31301 KB/s Sent: 39995 KB/s Stats# Received Total: 343 MB Sent Total: 372 MB RTT: 16 ms #11 DC-5 Received: 6117 KB/s Sent: 7998 KB/s BufferSize: 570756 DC-3 Received: 6594 KB/s Sent: 7998 KB/s BufferSize: 570756 DC-4 Received: 6354 KB/s Sent: 7998 KB/s BufferSize: 570756 DC-2 Received: 6116 KB/s Sent: 7998 KB/s BufferSize: 570756 DC-1 Received: 5959 KB/s Sent: 7998 KB/s BufferSize: 570756 TOTL Received: 31140 KB/s Sent: 39990 KB/s #12 DC-5 Received: 6840 KB/s Sent: 7999 KB/s BufferSize: 0 DC-3 Received: 7468 KB/s Sent: 7999 KB/s BufferSize: 0 DC-4 Received: 7472 KB/s Sent: 7999 KB/s BufferSize: 0 DC-2 Received: 7473 KB/s Sent: 7999 KB/s BufferSize: 0 DC-1 Received: 7236 KB/s Sent: 7999 KB/s BufferSize: 0 TOTL Received: 36489 KB/s Sent: 39995 KB/s #13 DC-5 Received: 8105 KB/s Sent: 7989 KB/s BufferSize: 0 DC-3 Received: 8020 KB/s Sent: 7989 KB/s BufferSize: 0 DC-4 Received: 8097 KB/s Sent: 7989 KB/s BufferSize: 0 DC-2 Received: 8106 KB/s Sent: 7989 KB/s BufferSize: 0 DC-1 Received: 8018 KB/s Sent: 7989 KB/s BufferSize: 0 TOTL Received: 40346 KB/s Sent: 39945 KB/s #14 DC-5 Received: 8042 KB/s Sent: 8007 KB/s BufferSize: 0 DC-3 Received: 8029 KB/s Sent: 8007 KB/s BufferSize: 0 DC-4 Received: 8038 KB/s Sent: 8007 KB/s BufferSize: 0 DC-2 Received: 8035 KB/s Sent: 8007 KB/s BufferSize: 0 DC-1 Received: 8036 KB/s Sent: 8007 KB/s BufferSize: 0 TOTL Received: 40180 KB/s Sent: 40035 KB/s #15 DC-5 Received: 7981 KB/s Sent: 8001 KB/s BufferSize: 0 DC-3 Received: 7987 KB/s Sent: 8001 KB/s BufferSize: 0 DC-4 Received: 7980 KB/s Sent: 8001 KB/s BufferSize: 0 DC-2 Received: 7974 KB/s Sent: 8001 KB/s BufferSize: 0 DC-1 Received: 7972 KB/s Sent: 8001 KB/s BufferSize: 82497 TOTL Received: 39894 KB/s Sent: 40005 KB/s Stats# Received Total: 538 MB Sent Total: 581 MB RTT: 3 ms ```