Snabb Switch 2014.09 "Feijoa"

This release focuses on bug fixes, improved test coverage, and robustness to errors.

New features:

• #241 Automatically restart apps on errors
• #239 Intel10G: Set transmit rate priority for queues.
• #242 IPv6 neighbour discovery capability

Optimization work:

• #237 Performance regression tests for the app network (re)configuration subsystem
• #238 Intel10G optimization for better JIT behavior with large packets.

Robustness and bug fixes:

• #250 neutron2snabb updated to match latest Snabb NFV Neutron database format.
• #250 neutron2snabb unit test.
• #253 neutron2snabb temporarily disable Security Group (requires compatibility fix).
• #234 Intel10G fix behaviour when all hardware queues are used up
• #244 PcapReader fix premature garbage collection bug
• #248 neutron-sync-agent accept configuration updates that rewrite history (e.g. new master).
• #249 Fix vhost_user code path exercised when KVM is disabled in QEMU.

Snabb Switch 2014.08 "Erdbeere"

This release improves test infrastructure, improves compatibility, and increases performance.

New features:

• #228 SysV init scripts for the Snabb NFV programs.
• #232 Watchdog safety feature to automatically terminate a hung switch.
• #235 SnabbBot CI: Automatic performance regression tests on pull request.

Big changes:

• #236 Replaced third-party TravisCI with our own SnabbBot CI.
• #229 NFV performance optimizations for line rate at 256-byte packet size.

Small changes:

• #225 Compatibility with the final QEMU 2.1 release.
• #230 DPDK guest compatibility fix.
• #223 L2TPv3 fix for interoperability with Cisco ASR9000.

Snabb Switch 2014.07 "Durian"

This release achieves practical NFV performance over Virtio-net: approaching 10G line rate for 256-byte average packet size.

New features:

• #187 Support reconnect to an existing vhost-user socket on snabbswitch restart.
• #195 #196 #215 #220 Benchmarking support for NFV workloads with N x 10G Virtio-net including DPDK-based guests, CPU/NUMA affinity tuning, etc.

Big changes:

• #189 #201 #213 Fast-path optimizations.
• #211 Optimize address translation cache for 1GB large pages.
• #221 Optimized L2VPN code including packet encode/decode library.

Small changes:

• #204 Update vhost-user to match the version upstreamed into QEMU.
• #200 Fixes to Virtio-net driver.

Snabb Switch 2014.06 "Cherry"

Snabb Switch release for June 2014.

New features:

• #161 Intel10G: Added support for Jumbo frames and scatter-gather I/O.
• #172 Added "Fuzz Tester" app for testing apps that perform I/O to a network.
• #177 Intel10G: Add hardware rate policing support.
• #178 Benchmark for performance of basic app network operations.
• #180 OpenStack Neutron agents for Snabb Switch to execute OpenStack network definitions.
• #185 NFV performance benchmarking environment.

Big changes:

• #167 #176 Intel10G: VMDq fixes to support switching traffic between local VMs.
• #173 Virtio-net performance optimizations.
• #174 Virtio-net add support for non-zero-copy code path.

Small changes:

• #163 Fixed hard-coded PCI device paths in test cases.
• #165 Packet Filter: Disable JIT. This is a workaround for a bug that is not found yet.
• #166 Upgrade to the latest LuaJIT.
• #175 Fix for "-jp=" profiler argument parsing.
• #181 Collection of minor bug fixes.

Snabb Switch 2014.05 "Banana"

Snabb Switch release for May 2014.

New features:

1. 8d4b6bd Added Keyed IPv6 Tunnel (L2-in-L3) support.
2. 6dd9a29 Added VPN (GRE-over-IPv6) support including library for packet manipulation.
3. 1e98af1 Added CSV app for dumping app/link information to CSV files.

Big changes:

1. c244ac4 Extensively fixed and enhanced Virtio/vhost_user I/O.
2. 7f66da7 Enhanced Intel 10G (82599) driver including multiqueue/VMDq support.
3. 04473e2 Added Travis-CI continuous integration support with Github integration.
4. 5443082 Created the App API v0.1.

Small changes:

1. 0e4e7a6 Renamed executable from snabbswitch to simply snabb.
2. de02db6 Enhanced stack traces in error message (-P argument).
3. c72460c Profiler "zone" support to report each app separately (-jp=z argument).
4. c2d9bdd #!/usr/bin/env snabb script support.
5. 66c16e9 Better error message when git submodules are missing.
6. a3059f2 Better error message when started as non-root user.
7. cbed6e5 Enable LuaJIT perf and gdb integration.

See also the Full Change List.

Snabb Switch 2014.04 "Apricot"

Snabb Switch release for April 2014.