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| -rw-r--r-- | docs/report/introduction/methodology_geneve.rst | 73 | ||||
| -rw-r--r-- | docs/report/vpp_performance_tests/csit_release_notes.rst | 4 | ||||
| -rw-r--r-- | docs/report/vpp_performance_tests/overview.rst | 2 |
3 files changed, 79 insertions, 0 deletions
diff --git a/docs/report/introduction/methodology_geneve.rst b/docs/report/introduction/methodology_geneve.rst new file mode 100644 index 0000000000..1ae8bfaa7a --- /dev/null +++ b/docs/report/introduction/methodology_geneve.rst @@ -0,0 +1,73 @@ +.. _geneve_methodology: + +Generic Network Virtualization Encapsulation +-------------------------------------------- + +GENEVE Prefix Bindings +^^^^^^^^^^^^^^^^^^^^^^ + +GENEVE prefix bindings should be representative to target applications, where +a packet flows of particular set of IPv4 addresses (L3 underlay network) is +routed via dedicated GENEVE interface by building an L2 overlay. + +Private address ranges to be used in tests: + +- East hosts ip address range: 10.0.1.0 - 10.127.255.255 (10.0/9 prefix) + + - Total of 2^23 - 256 (8 388 352) of usable IPv4 addresses + - Usable in tests for up to 32 767 GENEVE tunnels (IPv4 underlay networks) + +- West hosts ip address range: 10.128.1.0 - 10.255.255.255 (10.128/9 prefix) + + - Total of 2^23 - 256 (8 388 352) of usable IPv4 addresses + - Usable in tests for up to 32 767 GENEVE tunnels (IPv4 underlay networks) + +GENEVE Tunnel Scale +~~~~~~~~~~~~~~~~~~~ + +If N is a number of GENEVE tunnels (and IPv4 underlay networks) then TG sends +256 packet flows in every of N different sets: + +- i = 1,2,3, ... N - GENEVE tunnel index + +- East-West direction: GENEVE encapsulated packets + + - Outer IP header: + + - src ip: 1.1.1.1 + + - dst ip: 1.1.1.2 + + - GENEVE header: + + - vni: i + + - Inner IP header: + + - src_ip_range(i) = 10.(0 + rounddown(i/255)).(modulo(i/255)).(0-to-255) + + - dst_ip_range(i) = 10.(128 + rounddown(i/255)).(modulo(i/255)).(0-to-255) + +- West-East direction: non-encapsulated packets + + - IP header: + + - src_ip_range(i) = 10.(128 + rounddown(i/255)).(modulo(i/255)).(0-to-255) + + - dst_ip_range(i) = 10.(0 + rounddown(i/255)).(modulo(i/255)).(0-to-255) + ++----------------+-------------+ +| geneve-tunnels | total-flows | ++================+=============+ +| 1 | 256 | ++----------------+-------------+ +| 4 | 1 024 | ++----------------+-------------+ +| 16 | 4 096 | ++----------------+-------------+ +| 64 | 16 384 | ++----------------+-------------+ +| 256 | 65 536 | ++----------------+-------------+ +| 1 024 | 262 144 | ++----------------+-------------+ diff --git a/docs/report/vpp_performance_tests/csit_release_notes.rst b/docs/report/vpp_performance_tests/csit_release_notes.rst index 52d2690d26..16a7db38e6 100644 --- a/docs/report/vpp_performance_tests/csit_release_notes.rst +++ b/docs/report/vpp_performance_tests/csit_release_notes.rst @@ -16,6 +16,10 @@ Changes in |csit-release| :ref:`vpp_compare_current_vs_previous_release` and :ref:`vpp_known_issues`. + - **GENEVE tests**: Added VPP performance tests for GENEVE tunnels. + + - See :ref:`geneve_methodology` for more details. + - **NAT44 tests**: Adapted existing and added new tests. - Refactored NAT44 deterministic mode (nat44det) tests to use separate diff --git a/docs/report/vpp_performance_tests/overview.rst b/docs/report/vpp_performance_tests/overview.rst index 2098216f11..9647edeabd 100644 --- a/docs/report/vpp_performance_tests/overview.rst +++ b/docs/report/vpp_performance_tests/overview.rst @@ -286,6 +286,8 @@ performance tested across a range of NIC drivers and NIC models: | ADL | IPv4 and IPv6 routing with ADL address | | | security. | +-----------------------+----------------------------------------------+ +| GENEVE | GENEVE tunnels for IPv4 routing. | ++-----------------------+----------------------------------------------+ | IPv4 | IPv4 routing. | +-----------------------+----------------------------------------------+ | IPv6 | IPv6 routing. | |