diff --git a/bazel/external/quiche.BUILD b/bazel/external/quiche.BUILD
new file mode 100644
index 0000000000000..6170b413f1680
--- /dev/null
+++ b/bazel/external/quiche.BUILD
@@ -0,0 +1,41 @@
+# Transformations to QUICHE tarball:
+# - Move subtree under quiche/ base dir, for clarity in #include statements.
+# - Rewrite include directives for platform/impl files.
+
+src_files = glob(["**/*.h", "**/*.cc"])
+
+genrule(
+    name = "quiche_files",
+    srcs = src_files,
+    outs = ["quiche/" + f for f in src_files],
+    cmd = "\n".join(
+        ["sed -e '/^#include/ s|net/http2/platform/impl/|extensions/filters/datagram/quiche/platform/|' $(location %s) > $(location :%s)" % (f, "quiche/" + f) for f in src_files],
+    ),
+    visibility = ["//visibility:private"],
+)
+
+cc_library(
+    name = "http2_platform",
+    hdrs = [
+        "quiche/http2/platform/api/http2_arraysize.h",
+        "quiche/http2/platform/api/http2_bug_tracker.h",
+        "quiche/http2/platform/api/http2_containers.h",
+        "quiche/http2/platform/api/http2_estimate_memory_usage.h",
+        "quiche/http2/platform/api/http2_export.h",
+        "quiche/http2/platform/api/http2_flags.h",
+        "quiche/http2/platform/api/http2_flag_utils.h",
+        "quiche/http2/platform/api/http2_macros.h",
+        "quiche/http2/platform/api/http2_mock_log.h",
+        "quiche/http2/platform/api/http2_optional.h",
+        "quiche/http2/platform/api/http2_ptr_util.h",
+        "quiche/http2/platform/api/http2_reconstruct_object.h",
+        "quiche/http2/platform/api/http2_string.h",
+        "quiche/http2/platform/api/http2_string_piece.h",
+        "quiche/http2/platform/api/http2_string_utils.h",
+        "quiche/http2/platform/api/http2_test_helpers.h",
+    ],
+    visibility = ["//visibility:public"],
+    deps = [
+        "@envoy//source/extensions/filters/datagram/quiche/platform:http2_platform_impl_lib",
+    ],
+)
diff --git a/bazel/repositories.bzl b/bazel/repositories.bzl
index 7e4e63b092e36..3c9a20321414b 100644
--- a/bazel/repositories.bzl
+++ b/bazel/repositories.bzl
@@ -41,7 +41,9 @@ def _repository_impl(name, **kwargs):
     http_archive(
         name = name,
         urls = location["urls"],
-        sha256 = location["sha256"],
+        # Hack: make checksum optional, to accomodate QUICHE.
+        # DO NOT SUBMIT, this is just for prototyping.
+        sha256 = location.get("sha256", None),
         strip_prefix = location.get("strip_prefix", ""),
         **kwargs
     )
@@ -297,6 +299,7 @@ def envoy_dependencies(path = "@envoy_deps//", skip_targets = []):
     _com_github_tencent_rapidjson()
     _com_google_googletest()
     _com_google_protobuf()
+    _com_google_quiche()
 
     # Used for bundling gcovr into a relocatable .par file.
     _repository_impl("subpar")
@@ -539,6 +542,16 @@ def _com_google_protobuf():
         actual = "@com_google_protobuf//util/python:python_headers",
     )
 
+def _com_google_quiche():
+    _repository_impl(
+        name = "com_google_quiche",
+        build_file = "@envoy//bazel/external:quiche.BUILD",
+    )
+    native.bind(
+        name = "quiche_http2_platform",
+        actual = "@com_google_quiche//:http2_platform",
+    )
+
 def _com_github_grpc_grpc():
     _repository_impl("com_github_grpc_grpc")
 
diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index efceb2ae23fa1..5784421faef2d 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -195,4 +195,9 @@ REPOSITORY_LOCATIONS = dict(
         strip_prefix = "subpar-1.3.0",
         urls = ["https://github.com/google/subpar/archive/1.3.0.tar.gz"],
     ),
+    com_google_quiche = dict(
+        # TODO: add sha256 sum
+        # Version from 2018-12-20
+        urls = ["https://quiche.googlesource.com/quiche/+archive/15fb5630803634b1988b77d876212fad71f7a2c3.tar.gz"],
+    ),
 )
diff --git a/source/extensions/filters/datagram/quiche/BUILD b/source/extensions/filters/datagram/quiche/BUILD
new file mode 100644
index 0000000000000..3a3b592647f73
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/BUILD
@@ -0,0 +1,16 @@
+licenses(["notice"])  # Apache 2
+
+load(
+    "//bazel:envoy_build_system.bzl",
+    "envoy_cc_library",
+    "envoy_package",
+)
+
+envoy_package()
+
+envoy_cc_library(
+    name = "dummy_lib",
+    srcs = ["dummy.cc"],
+    hdrs = ["dummy.h"],
+    external_deps = ["quiche_http2_platform"],
+)
diff --git a/source/extensions/filters/datagram/quiche/dummy.cc b/source/extensions/filters/datagram/quiche/dummy.cc
new file mode 100644
index 0000000000000..c181e387e6dbe
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/dummy.cc
@@ -0,0 +1,17 @@
+#include "extensions/filters/datagram/quiche/dummy.h"
+
+using http2::Http2String;
+
+namespace Envoy {
+namespace Extensions {
+namespace DatagramFilters {
+namespace Quiche {
+
+Http2String moreCowbell(const Http2String& s) {
+  return s + " cowbell";
+}
+
+} // namespace Quiche
+} // namespace DatagramFilters
+} // namespace Extensions
+} // namespace Envoy
diff --git a/source/extensions/filters/datagram/quiche/dummy.h b/source/extensions/filters/datagram/quiche/dummy.h
new file mode 100644
index 0000000000000..30008c8e0a3ee
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/dummy.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include "quiche/http2/platform/api/http2_string.h"
+
+namespace Envoy {
+namespace Extensions {
+namespace DatagramFilters {
+namespace Quiche {
+
+http2::Http2String moreCowbell(const http2::Http2String& s);
+
+} // namespace Quiche
+} // namespace DatagramFilters
+} // namespace Extensions
+} // namespace Envoy
diff --git a/source/extensions/filters/datagram/quiche/platform/BUILD b/source/extensions/filters/datagram/quiche/platform/BUILD
new file mode 100644
index 0000000000000..6d158e366fa3c
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/BUILD
@@ -0,0 +1,32 @@
+licenses(["notice"])  # Apache 2
+
+load(
+    "//bazel:envoy_build_system.bzl",
+    "envoy_cc_library",
+    "envoy_package",
+)
+
+envoy_package()
+
+envoy_cc_library(
+    name = "http2_platform_impl_lib",
+    hdrs = [
+        "http2_arraysize_impl.h",
+        "http2_bug_tracker_impl.h",
+        "http2_containers_impl.h",
+        "http2_estimate_memory_usage_impl.h",
+        "http2_export_impl.h",
+        "http2_flag_utils_impl.h",
+        "http2_flags_impl.h",
+        "http2_macros_impl.h",
+        "http2_mock_log_impl.h",
+        "http2_optional_impl.h",
+        "http2_ptr_util_impl.h",
+        "http2_reconstruct_object_impl.h",
+        "http2_string_impl.h",
+        "http2_string_piece_impl.h",
+        "http2_string_utils_impl.h",
+        "http2_test_helpers_impl.h",
+    ],
+    visibility = ["//visibility:public"],
+)
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_arraysize_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_arraysize_impl.h
new file mode 100644
index 0000000000000..2e12c5f9bd3f0
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_arraysize_impl.h
@@ -0,0 +1,3 @@
+#pragma once
+
+#define HTTP2_ARRAYSIZE_IMPL(x) 0
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_bug_tracker_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_bug_tracker_impl.h
new file mode 100644
index 0000000000000..930f2f8039cfb
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_bug_tracker_impl.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#define HTTP2_BUG_IMPL 0
+#define HTTP2_BUG_IF_IMPL 0
+#define FLAGS_http2_always_log_bugs_for_tests_IMPL 0
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_containers_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_containers_impl.h
new file mode 100644
index 0000000000000..3c4a105bf4271
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_containers_impl.h
@@ -0,0 +1,8 @@
+#pragma once
+
+namespace http2 {
+
+template <typename T>
+class Http2DequeImpl {};
+
+}  // namespace http2
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_estimate_memory_usage_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_estimate_memory_usage_impl.h
new file mode 100644
index 0000000000000..b75121087763c
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_estimate_memory_usage_impl.h
@@ -0,0 +1,10 @@
+#pragma once
+
+namespace http2 {
+
+template <class T>
+size_t Http2EstimateMemoryUsageImpl(const T& object) {
+  return 0;
+}
+
+}  // namespace http2
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_export_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_export_impl.h
new file mode 100644
index 0000000000000..04aae9ac87a80
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_export_impl.h
@@ -0,0 +1,4 @@
+#pragma once
+
+#define HTTP2_EXPORT
+#define HTTP2_EXPORT_PRIVATE
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_flag_utils_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_flag_utils_impl.h
new file mode 100644
index 0000000000000..ecae5d8fadb97
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_flag_utils_impl.h
@@ -0,0 +1,3 @@
+#pragma once
+
+#define HTTP2_RELOADABLE_FLAG_COUNT_IMPL(flag) 0
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_flags_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_flags_impl.h
new file mode 100644
index 0000000000000..25dd62cce4b98
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_flags_impl.h
@@ -0,0 +1,4 @@
+#pragma once
+
+#define GetHttp2ReloadableFlagImpl(flag) 0
+#define SetHttp2ReloadableFlagImpl(flag, value) 0
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_macros_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_macros_impl.h
new file mode 100644
index 0000000000000..160da9445629b
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_macros_impl.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#define HTTP2_FALLTHROUGH_IMPL 0
+#define HTTP2_UNREACHABLE_IMPL() 0
+#define HTTP2_DIE_IF_NULL_IMPL(ptr) 0
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_mock_log_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_mock_log_impl.h
new file mode 100644
index 0000000000000..6e8d5257b22c4
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_mock_log_impl.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#define CREATE_HTTP2_MOCK_LOG_IMPL(log) 0
+#define EXPECT_HTTP2_LOG_CALL_IMPL(log) 0
+#define EXPECT_HTTP2_LOG_CALL_CONTAINS_IMPL(log, level, content) 0
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_optional_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_optional_impl.h
new file mode 100644
index 0000000000000..0809d60c6134c
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_optional_impl.h
@@ -0,0 +1,8 @@
+#pragma once
+
+namespace http2 {
+
+template <typename T>
+class Http2OptionalImpl {};
+
+}  // namespace http2
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_ptr_util_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_ptr_util_impl.h
new file mode 100644
index 0000000000000..eb746cb12afd4
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_ptr_util_impl.h
@@ -0,0 +1,10 @@
+#pragma once
+
+namespace http2 {
+
+template <typename T, typename... Args>
+std::unique_ptr<T> Http2MakeUniqueImpl(Args&&... args) {
+  return nullptr;
+}
+
+}  // namespace http2
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_reconstruct_object_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_reconstruct_object_impl.h
new file mode 100644
index 0000000000000..69f2c5cd035b0
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_reconstruct_object_impl.h
@@ -0,0 +1,25 @@
+#pragma once
+
+namespace http2 {
+namespace test {
+
+void MarkMemoryUninitialized(void* ptr, size_t num_bytes) {}
+void MarkMemoryUninitialized(void* ptr, size_t num_bytes, Http2Random* rng) {}
+
+template <class T>
+void MarkObjectUninitialized(T* ptr) {}
+template <class T>
+void MarkObjectUninitialized(T* ptr, Http2Random* rng) {}
+
+template <class T, size_t N>
+void MarkArrayUninitialized(T (&array)[N]) {}
+template <class T, size_t N>
+void MarkArrayUninitialized(T (&array)[N], Http2Random* rng) {}
+
+template <class T, class... Args>
+void Http2ReconstructObjectImpl(T* ptr, Http2Random* rng, Args&&... args) {}
+template <class T>
+void Http2DefaultReconstructObjectImpl(T* ptr, Http2Random* rng) {}
+
+}  // namespace test
+}  // namespace http2
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_string_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_string_impl.h
new file mode 100644
index 0000000000000..b6fc203e2b302
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_string_impl.h
@@ -0,0 +1,9 @@
+#pragma once
+
+#include <string>
+
+namespace http2 {
+
+using Http2StringImpl = std::string;
+
+}  // namespace http2
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_string_piece_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_string_piece_impl.h
new file mode 100644
index 0000000000000..6e26f8a4c9fb7
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_string_piece_impl.h
@@ -0,0 +1,7 @@
+#pragma once
+
+namespace http2 {
+
+class Http2StringPieceImpl {};
+
+}  // namespace http2
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_string_utils_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_string_utils_impl.h
new file mode 100644
index 0000000000000..8ee16abaea650
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_string_utils_impl.h
@@ -0,0 +1,39 @@
+#pragma once
+
+namespace http2 {
+
+template <typename... Args>
+inline Http2String Http2StrCatImpl(const Args&... args) {
+  return Http2String();
+}
+
+template <typename... Args>
+inline void Http2StrAppendImpl(Http2String* output, const Args&... args) {}
+
+template <typename... Args>
+inline Http2String Http2StringPrintfImpl(const Args&... args) {
+  return Http2String();
+}
+
+inline Http2String Http2HexEncodeImpl(const void* bytes, size_t size) {
+  return Http2String();
+}
+
+inline Http2String Http2HexDecodeImpl(Http2StringPiece data) {
+  return Http2String();
+}
+
+inline Http2String Http2HexDumpImpl(Http2StringPiece data) {
+  return Http2String();
+}
+
+inline Http2String Http2HexEscapeImpl(Http2StringPiece data) {
+  return Http2String();
+}
+
+template <typename Number>
+inline Http2String Http2HexImpl(Number number) {
+  return Http2String();
+}
+
+}  // namespace http2
diff --git a/source/extensions/filters/datagram/quiche/platform/http2_test_helpers_impl.h b/source/extensions/filters/datagram/quiche/platform/http2_test_helpers_impl.h
new file mode 100644
index 0000000000000..6f70f09beec22
--- /dev/null
+++ b/source/extensions/filters/datagram/quiche/platform/http2_test_helpers_impl.h
@@ -0,0 +1 @@
+#pragma once
diff --git a/test/extensions/filters/datagram/quiche/BUILD b/test/extensions/filters/datagram/quiche/BUILD
new file mode 100644
index 0000000000000..8ef984195f4dc
--- /dev/null
+++ b/test/extensions/filters/datagram/quiche/BUILD
@@ -0,0 +1,23 @@
+licenses(["notice"])  # Apache 2
+
+load(
+    "//bazel:envoy_build_system.bzl",
+    "envoy_cc_fuzz_test",
+    "envoy_cc_test",
+    "envoy_cc_test_binary",
+    "envoy_cc_test_library",
+    "envoy_package",
+    "envoy_proto_library",
+)
+
+envoy_package()
+
+envoy_cc_test(
+    name = "dummy_test",
+    srcs = ["dummy_test.cc"],
+    external_deps = ["quiche_http2_platform"],
+    deps = [
+        "//source/extensions/filters/datagram/quiche:dummy_lib",
+        "//test/test_common:utility_lib",
+    ],
+)
diff --git a/test/extensions/filters/datagram/quiche/dummy_test.cc b/test/extensions/filters/datagram/quiche/dummy_test.cc
new file mode 100644
index 0000000000000..d934cbee5d3fd
--- /dev/null
+++ b/test/extensions/filters/datagram/quiche/dummy_test.cc
@@ -0,0 +1,19 @@
+#include "extensions/filters/datagram/quiche/dummy.h"
+
+#include "gtest/gtest.h"
+#include "quiche/http2/platform/api/http2_string.h"
+
+namespace Envoy {
+namespace Extensions {
+namespace DatagramFilters {
+namespace Quiche {
+
+TEST(DummyTest, Dummy) {
+  http2::Http2String foo = "bar";
+  EXPECT_EQ("bar cowbell", moreCowbell(foo));
+}
+
+} // namespace Quiche
+} // namespace DatagramFilters
+} // namespace Extensions
+} // namespace Envoy