diff --git a/common/config/rush/pnpm-lock.yaml b/common/config/rush/pnpm-lock.yaml
index fadb4fb3cbc9..ace949b62e12 100644
--- a/common/config/rush/pnpm-lock.yaml
+++ b/common/config/rush/pnpm-lock.yaml
@@ -49,6 +49,7 @@ dependencies:
   '@rush-temp/perf-ai-form-recognizer': file:projects/perf-ai-form-recognizer.tgz
   '@rush-temp/perf-ai-metrics-advisor': file:projects/perf-ai-metrics-advisor.tgz
   '@rush-temp/perf-ai-text-analytics': file:projects/perf-ai-text-analytics.tgz
+  '@rush-temp/perf-core-rest-pipeline': file:projects/perf-core-rest-pipeline.tgz
   '@rush-temp/perf-eventgrid': file:projects/perf-eventgrid.tgz
   '@rush-temp/perf-identity': file:projects/perf-identity.tgz
   '@rush-temp/perf-keyvault-certificates': file:projects/perf-keyvault-certificates.tgz
@@ -7843,7 +7844,7 @@ packages:
     dev: false
     name: '@rush-temp/ai-anomaly-detector'
     resolution:
-      integrity: sha512-BSoBzszi0XM9x7Dv2vIqf1SCCP0HIvWzcqJgk8bryS3stf5oCFIVzJ5qpzlb8MLXhg/OiLCA1dwhTUOD0pwM8A==
+      integrity: sha512-brftxxUrPMz0kTF4yzSTcKEulyQ+FG4co+yHqY3zvaxBTqZtLvreUYxkHEmTAEzuWuio1hQngZRPqhZ4zR6o7Q==
       tarball: file:projects/ai-anomaly-detector.tgz
     version: 0.0.0
   file:projects/ai-document-translator.tgz:
@@ -7929,7 +7930,7 @@ packages:
     dev: false
     name: '@rush-temp/ai-form-recognizer'
     resolution:
-      integrity: sha512-HUMGckigflkhjr74AUhw1mA05fWVbje5nS218AdXl0wrFsvMURVAAWba/igZx+9FJWQHDTrvnXOpljDPv1YRiQ==
+      integrity: sha512-i9w0AQc62Mt1TRd0IW5zLvoY1HBKywb6l/hFzniHBqXPa+yTBVXYuFguM/H50U0PBx6UUkj95bzGkONbBFKr/g==
       tarball: file:projects/ai-form-recognizer.tgz
     version: 0.0.0
   file:projects/ai-metrics-advisor.tgz:
@@ -7974,7 +7975,7 @@ packages:
     dev: false
     name: '@rush-temp/ai-metrics-advisor'
     resolution:
-      integrity: sha512-sbco9iDzQIZH/W1ha+BQfthAqikz7j3Ykt755Uv6Vc/uRitcQdTYCKWTspEpS/TJS04RFBrQbFxVgfJQQIUlaA==
+      integrity: sha512-tDR2qkusFWabAgO9vlaRyjFBs3DlEEkCFvBcImpxD0Uaf+xacnG2rbJIAAFGZcsp/YPShXR6T/AkUDouOiX10g==
       tarball: file:projects/ai-metrics-advisor.tgz
     version: 0.0.0
   file:projects/ai-text-analytics.tgz:
@@ -8022,7 +8023,7 @@ packages:
     dev: false
     name: '@rush-temp/ai-text-analytics'
     resolution:
-      integrity: sha512-lCqIX/6MmgfuTkCZ/iu21NuBgHPUGgrfNJBu8mJjtFQYVNegNOhd2MoBqVnUz7rp5p1fnI17lBsHVS2TbsrmQw==
+      integrity: sha512-a/yZ1UURt9He/DEYvd2KXDJrFKEDp07mEJXB3xl/wcEBPA5fieJvyA/DHUd5NNxyRjcnTA2o/5CdDQ/3SvRJcg==
       tarball: file:projects/ai-text-analytics.tgz
     version: 0.0.0
   file:projects/app-configuration.tgz:
@@ -8124,7 +8125,7 @@ packages:
     dev: false
     name: '@rush-temp/attestation'
     resolution:
-      integrity: sha512-308IFrOUbXclBJTqvF46pGIb+PckBwJ9PufzEE3dbB8mA9JIj+9838qEppUW8x9k2ENMx43+T6/FCh15qXsTgg==
+      integrity: sha512-mHFwGj+eb0v8zUD+YbgNfZ/Tf2fawnWNcvpN+PIqUsDPHFlouGXlTRWrbKXPoRRpMVn9xSIxNUkfsheZIgYc4Q==
       tarball: file:projects/attestation.tgz
     version: 0.0.0
   file:projects/communication-chat.tgz:
@@ -8287,7 +8288,7 @@ packages:
     dev: false
     name: '@rush-temp/communication-identity'
     resolution:
-      integrity: sha512-0QvoVTuWaVxaNqcm9kuUiJODW2qUB4uKPrHA8Pv3FGQQ7Y74P6Q9NaN2F9CP1TyXHQZlrD37p9LJnTQgbwXFqg==
+      integrity: sha512-s24VoSTH4Xb1UAkItnsfD+Y5LBBwm3N9NlTZxBKSB7UQyH6C6ZivQIzw3+Rw3KczJZClkebAKwVJ29gIVeipVg==
       tarball: file:projects/communication-identity.tgz
     version: 0.0.0
   file:projects/communication-phone-numbers.tgz:
@@ -8341,7 +8342,7 @@ packages:
     dev: false
     name: '@rush-temp/communication-phone-numbers'
     resolution:
-      integrity: sha512-ZxxqkvDAbF3E1MKUdq9dO3+d/Rzf81GValySfhgqqkq9GYmRIViBGzOJKPGs3cpM38w5ek5gd/bk8xzvEwWWAw==
+      integrity: sha512-+1SgvQ3laTzKg96UcCZDoS6s9bLPnZsLwP7EqkGF72EPaP5zQwKijUKk8+BNALSUR6nkZqdbfI6GxwwTKJfrtQ==
       tarball: file:projects/communication-phone-numbers.tgz
     version: 0.0.0
   file:projects/communication-sms.tgz:
@@ -8394,7 +8395,7 @@ packages:
     dev: false
     name: '@rush-temp/communication-sms'
     resolution:
-      integrity: sha512-iUDYbSKEqU9Onayru0k/Lzkp/tGDk5SuzxrcExxfXqhbCI0jIsL49TI9iEvPKvIZBwmauMnTTWG2dq6HG5c5dg==
+      integrity: sha512-SAyHi9GG9P15Gmwma1omjZqzqiNiprTahTe1ip9rvxVstxB7WF0FZMf7UyldGGLPbXr/aXmElcti41zz1wdgwA==
       tarball: file:projects/communication-sms.tgz
     version: 0.0.0
   file:projects/container-registry.tgz:
@@ -8441,7 +8442,7 @@ packages:
     dev: false
     name: '@rush-temp/container-registry'
     resolution:
-      integrity: sha512-JOd4JDWNPmckvkuO+IOmhWrO/9Rbp44M6Bm7VHySweQEavSxxMk+iAS7akisWRQfGhttzYaQ0jc4Py7rNmWF6A==
+      integrity: sha512-iYYsQn1lJgWNSOTrRBen2DvC13vCRumRHsieNimHrbvo9Cqi7AqDy0xxF55xyPREt8atUFtrTHqBWJI7zLbD8g==
       tarball: file:projects/container-registry.tgz
     version: 0.0.0
   file:projects/core-amqp.tgz:
@@ -9014,6 +9015,7 @@ packages:
     version: 0.0.0
   file:projects/cosmos.tgz:
     dependencies:
+      '@azure/core-rest-pipeline': 1.0.3
       '@azure/identity': 1.3.0_debug@4.3.1
       '@microsoft/api-extractor': 7.7.11
       '@rollup/plugin-json': 4.1.0_rollup@1.32.1
@@ -9062,7 +9064,7 @@ packages:
     dev: false
     name: '@rush-temp/cosmos'
     resolution:
-      integrity: sha512-zr5rSxxyf9pXAedweom+O1DR8GDklyAWW4QOyHiqd18Ja4FuQ6dPJiRejNVOyg6SE4xSl6cbf8agjPfG3upEnQ==
+      integrity: sha512-wCMZgt5C551rCi6HXgvD/EZVo6sl3llky3jsRCVQBcamdjmNF0qphRBDyYLlAn1cysnA7eG4clCBGzqT5wsAIg==
       tarball: file:projects/cosmos.tgz
     version: 0.0.0
   file:projects/data-tables.tgz:
@@ -9213,7 +9215,7 @@ packages:
     dev: false
     name: '@rush-temp/digital-twins-core'
     resolution:
-      integrity: sha512-HATRz9UgjGJhJhHWrb4PL9PRfnCe/kjkDIyJZUGuA2ZFn8HIkDlR8y53sXJU32OZKTlbvCPjkq+odAQUmH5m9A==
+      integrity: sha512-V0UtuepoVa9p4fiTuqKNHi5UOjfa0jVoDucviYPRBPX4d3dJK0JUA+oPTJSbS6dT0YPxB8P5ojh8AzipG0/dcg==
       tarball: file:projects/digital-twins-core.tgz
     version: 0.0.0
   file:projects/eslint-plugin-azure-sdk.tgz:
@@ -9550,7 +9552,7 @@ packages:
     optionalDependencies:
       keytar: 7.6.0
     resolution:
-      integrity: sha512-TGmDn9FURoFYW60Z94hZ8+QRix4SX+A0jZGBJUZ4Xvo9IutZ81CVMxctI+TL8SgyWLzLWHkSEjsbB36WcVQM9w==
+      integrity: sha512-sEvBei3gVktijypQM6FLi74OeRLYeUlJMgmHXoAyYOaJDE+SbowgsRYQeEwhvloeNACGBX6ERgp6GmeEG/UEcg==
       tarball: file:projects/identity.tgz
     version: 0.0.0
   file:projects/iot-device-update.tgz:
@@ -9623,7 +9625,7 @@ packages:
     dev: false
     name: '@rush-temp/keyvault-admin'
     resolution:
-      integrity: sha512-oRwQPIUfeV8PrFW1HB06AWis2jNtWXz99fenuzpH0C+iVCmqDTU0zGFUBmVHW5qqjykEtoHCyyXp6L8WgIpZGw==
+      integrity: sha512-TjTulyn5sh+azdHJh6GDWR9k7lgzWR8tj+ei5Kq9POeucNXlJ/fVbTmp2Z20wNTXAHOjGxq17G2j/nOnTYnmEA==
       tarball: file:projects/keyvault-admin.tgz
     version: 0.0.0
   file:projects/keyvault-certificates.tgz:
@@ -9681,7 +9683,7 @@ packages:
     dev: false
     name: '@rush-temp/keyvault-certificates'
     resolution:
-      integrity: sha512-geYalPzb+uX/KwZtzL95nr+8oUXOBVk85Z1435k32tkxHLyRFTmALCRWqUQ8667TnyWWh+9ckR62/aa7OIcFAQ==
+      integrity: sha512-CaA2BasCWbxEUhdf/mJ6V1HZkTXhigYkNmJiPN0h2W0I/lPKdzIiHBRZdedesrwnyHofkcczkf6EQmMgVacdGQ==
       tarball: file:projects/keyvault-certificates.tgz
     version: 0.0.0
   file:projects/keyvault-common.tgz:
@@ -9755,7 +9757,7 @@ packages:
     dev: false
     name: '@rush-temp/keyvault-keys'
     resolution:
-      integrity: sha512-d5VpsD0EqzARzk9c9a6E+1sgIjAZYCObYjQCIbEZNCem4IB5CIYlm83c+/DRBKyH1fQEVsoHQgxTwbNyRkrxNA==
+      integrity: sha512-YpRyojpWpxqV8joiplBq2zm0ISpEbJc7NUHg3TKrtZkPr0HyuA1G7mFH8lIqtZga3x90zh61Vsa2wsFYhyng0g==
       tarball: file:projects/keyvault-keys.tgz
     version: 0.0.0
   file:projects/keyvault-secrets.tgz:
@@ -9813,7 +9815,7 @@ packages:
     dev: false
     name: '@rush-temp/keyvault-secrets'
     resolution:
-      integrity: sha512-s0dLzF1S5wyX4UbfxHMkp3HH7E6vw3WyyBhvWiS59msK0yxQj2f/gsv+ZZ6+GWU15ALexiaSIQE7RrNRrVvAfg==
+      integrity: sha512-z0BjfNxui81pHbY/0O0wsJBDkRsGmESce296UZ2sEHiUc/mZkchky66bHslL2CZ3Fk5tcWsPgcGg52gDxHqN6A==
       tarball: file:projects/keyvault-secrets.tgz
     version: 0.0.0
   file:projects/logger.tgz:
@@ -10004,6 +10006,22 @@ packages:
       integrity: sha512-WRKlYq5E3/zAp5qMYA5yQagbJYlfuIUsxCBp+WSfENbW/m4WzpjkNC/01TLJ6tO2CEoLc+RRPXCDFpA30H432g==
       tarball: file:projects/perf-ai-text-analytics.tgz
     version: 0.0.0
+  file:projects/perf-core-rest-pipeline.tgz:
+    dependencies:
+      '@types/uuid': 8.3.0
+      dotenv: 8.2.0
+      eslint: 7.23.0
+      prettier: 1.19.1
+      rimraf: 3.0.2
+      ts-node: 9.1.1_typescript@4.2.4
+      tslib: 2.2.0
+      typescript: 4.2.4
+    dev: false
+    name: '@rush-temp/perf-core-rest-pipeline'
+    resolution:
+      integrity: sha512-ir4B6tj+vRwKlprAUeiJSj7JCAzhq0K4MM5Uj6HA7Qzm+xHSY58jAbQXCKqGZu7mt4uOlb1sYrMEm0dIUBQHaQ==
+      tarball: file:projects/perf-core-rest-pipeline.tgz
+    version: 0.0.0
   file:projects/perf-eventgrid.tgz:
     dependencies:
       '@types/node': 8.10.66
@@ -10215,7 +10233,7 @@ packages:
     dev: false
     name: '@rush-temp/quantum-jobs'
     resolution:
-      integrity: sha512-ZGwwkEsI5mFwQKjnxCWlrSWdanAQmBfWlH2GOQBaDY0Dr7+ttS6/UcgAEAUqRy5CKpwtzEOw7hCWw0328wgKvA==
+      integrity: sha512-kqELcctIfSAZsgkMARVhBAzqyQFpJP/BImOS6XEARXRMe8kXlNDfJAn9u569nMQgegeAxZW/wMbQxbUsEHzgZw==
       tarball: file:projects/quantum-jobs.tgz
     version: 0.0.0
   file:projects/schema-registry-avro.tgz:
@@ -10271,7 +10289,7 @@ packages:
     dev: false
     name: '@rush-temp/schema-registry-avro'
     resolution:
-      integrity: sha512-IkbCxJeQAMMEP5TNnCNwwoJpCwuxiVRh7mwTBSQF7wcsT+qQsThEG1sdGZJDN4USU47H+bOLTIn4i6HzpfAvaA==
+      integrity: sha512-uTOsbCwfctFbxbRgGGKoz9NAuCIyMehznoMdz8noI5tZ7nUVRpnmSzh+sY1AA4/2/dKgMhTlgcVtFjGGgNU2+Q==
       tarball: file:projects/schema-registry-avro.tgz
     version: 0.0.0
   file:projects/schema-registry.tgz:
@@ -10323,7 +10341,7 @@ packages:
     dev: false
     name: '@rush-temp/schema-registry'
     resolution:
-      integrity: sha512-zfAsAov4Ijx3nUSubjGXdLh6gEH6KE29iuZTSVqfzfVdmofxIXJBde0qRGfhr+tExpuvOygoBKeCLrDYtNI6HQ==
+      integrity: sha512-PfosQpd4CbfdyFXBKAJsZFUJ9P+YwX131MiYGCUQwdWamWfKg4fSGo7+fPAOENODNf9rPe4gahmmonDYuke+IQ==
       tarball: file:projects/schema-registry.tgz
     version: 0.0.0
   file:projects/search-documents.tgz:
@@ -10571,7 +10589,7 @@ packages:
     dev: false
     name: '@rush-temp/storage-blob'
     resolution:
-      integrity: sha512-CR55ZzmPi/l7XwTZdOY2mvJU2OF6OL6aloG8wLv+pLaljwm2uf600JhMvgD5PzCh3d4/jtctZtsNq8WDUwgrng==
+      integrity: sha512-tPl6kzd8U3mX7Js6CS2keRFcS2SkC2FcAGff0LoZ8AkBxK6Rp5vHvG8Aqsuf6pmnPSXGHCSX1a5HWD7G8BEPuw==
       tarball: file:projects/storage-blob.tgz
     version: 0.0.0
   file:projects/storage-file-datalake.tgz:
@@ -10631,7 +10649,7 @@ packages:
     dev: false
     name: '@rush-temp/storage-file-datalake'
     resolution:
-      integrity: sha512-ru/ZA4Wf0gfKw5rRPBaavkwJYFftxm6j+S7uBJ7LgIpZplMidq2munB47jFBgjf0uaxHJ1Q/y/ssDCTrxFafTg==
+      integrity: sha512-0NClo8xWcTdIobuN51EuCMnHN/M2fHzsas3lCP9H3dZ+UXRWRqBGjGPZzcuJtgqiu+kp7Be0xlRklw5/OSyReQ==
       tarball: file:projects/storage-file-datalake.tgz
     version: 0.0.0
   file:projects/storage-file-share.tgz:
@@ -10863,7 +10881,7 @@ packages:
     dev: false
     name: '@rush-temp/synapse-artifacts'
     resolution:
-      integrity: sha512-Y9sYEN8tQuoziYkBrOTK+gAe4iXdFYr4/HCMPKLgqm1Q2qyh3KCpBjtse060cilZpi8mazJiQuRsN5dipDx2+Q==
+      integrity: sha512-5P3ENKx4RYknSooxYT4OzAYg4unjEdcTgwrKXYrkXMp0y73ps3KpPJtdtOSFLESuEX/j1CNv8T7kwz2OIl4nUw==
       tarball: file:projects/synapse-artifacts.tgz
     version: 0.0.0
   file:projects/synapse-managed-private-endpoints.tgz:
@@ -10969,7 +10987,7 @@ packages:
     dev: false
     name: '@rush-temp/template'
     resolution:
-      integrity: sha512-mwHFZ1xypf2mBlIcqY/yi+3JKpTC54l/ZdImtdQ0ioOPW8ia9HXOVdK5Gc0Kmk0Bhe4Wjw+K1cnBPSbB5WlFXA==
+      integrity: sha512-GEg0iurjiFVFHToKkPuprmMO5F5ivG6+imfPGqPYlP5HDnyOFnTdEiILEcPV/bnNpM7ItrWDQToZFFTu8d1UAQ==
       tarball: file:projects/template.tgz
     version: 0.0.0
   file:projects/test-utils-multi-version.tgz:
@@ -11138,7 +11156,7 @@ packages:
     dev: false
     name: '@rush-temp/web-pubsub-express'
     resolution:
-      integrity: sha512-lLMpNd4OKyuyJbikDKMYDDNlzEjtK/NSZh0QbUNfEIfEWs3HyUcfxzN8wKr9fKeE345rtK5DCl/2ztU1PLYj9A==
+      integrity: sha512-X1/olijTQ0DqPM4c8OBL6JzZ3Nc86uzmqxrUSBxpysxc7cHGkVN22rVls+SUPdoqsMDSBYZO1RnCn3W1/iIDUQ==
       tarball: file:projects/web-pubsub-express.tgz
     version: 0.0.0
   file:projects/web-pubsub.tgz:
@@ -11252,6 +11270,7 @@ specifiers:
   '@rush-temp/perf-ai-form-recognizer': file:./projects/perf-ai-form-recognizer.tgz
   '@rush-temp/perf-ai-metrics-advisor': file:./projects/perf-ai-metrics-advisor.tgz
   '@rush-temp/perf-ai-text-analytics': file:./projects/perf-ai-text-analytics.tgz
+  '@rush-temp/perf-core-rest-pipeline': file:./projects/perf-core-rest-pipeline.tgz
   '@rush-temp/perf-eventgrid': file:./projects/perf-eventgrid.tgz
   '@rush-temp/perf-identity': file:./projects/perf-identity.tgz
   '@rush-temp/perf-keyvault-certificates': file:./projects/perf-keyvault-certificates.tgz
diff --git a/rush.json b/rush.json
index 320fb6e83145..4192901cc35d 100644
--- a/rush.json
+++ b/rush.json
@@ -726,6 +726,11 @@
       "packageName": "@azure-tests/perf-ai-metrics-advisor",
       "projectFolder": "sdk/metricsadvisor/perf-tests/ai-metrics-advisor",
       "versionPolicyName": "test"
+    },
+    {
+      "packageName": "@azure-tests/perf-core-rest-pipeline",
+      "projectFolder": "sdk/core/perf-tests/core-rest-pipeline",
+      "versionPolicyName": "test"
     }
   ]
 }
diff --git a/sdk/core/perf-tests/core-rest-pipeline/CHANGELOG.md b/sdk/core/perf-tests/core-rest-pipeline/CHANGELOG.md
new file mode 100644
index 000000000000..0c9fe9cda1d4
--- /dev/null
+++ b/sdk/core/perf-tests/core-rest-pipeline/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Release History
+
+## 1.0.0-beta.1 (Unreleased)
+
+- Added a first performance test that processes WWW-Authenticate challenges.
diff --git a/sdk/core/perf-tests/core-rest-pipeline/README.md b/sdk/core/perf-tests/core-rest-pipeline/README.md
new file mode 100644
index 000000000000..f3abe9c57d51
--- /dev/null
+++ b/sdk/core/perf-tests/core-rest-pipeline/README.md
@@ -0,0 +1,9 @@
+### Guide
+
+1. Build the core-rest-pipeline perf tests package `rush build -t perf-core-rest-pipeline`.
+3. Copy the `sample.env` file and name it as `.env`.
+4. Populate the `.env` file with your Azure Credentials.
+5. Refer to the [rate limits](https://docs.microsoft.com/azure/active-directory/enterprise-users/directory-service-limits-restrictions) and then run the tests as follows:
+
+- `bearerTokenChallengeAuthenticationPolicy` test for the `challengeCallbacks`, for simple `WWW-Authenticate` challenges.
+  - `npm run perf-test:node -- BearerTokenChallengeAuthenticationPolicyTest --warmup 1 --iterations 1 --parallel 5`
diff --git a/sdk/core/perf-tests/core-rest-pipeline/package.json b/sdk/core/perf-tests/core-rest-pipeline/package.json
new file mode 100644
index 000000000000..d04fb4063e32
--- /dev/null
+++ b/sdk/core/perf-tests/core-rest-pipeline/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "@azure-tests/perf-core-rest-pipeline",
+  "version": "1.0.0-beta.1",
+  "description": "",
+  "main": "",
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@azure/core-rest-pipeline": "1.1.0-beta.1",
+    "@azure/core-auth": "^1.3.0",
+    "@azure/test-utils-perfstress": "^1.0.0",
+    "dotenv": "^8.2.0"
+  },
+  "devDependencies": {
+    "@types/uuid": "^8.0.0",
+    "eslint": "^7.15.0",
+    "prettier": "^1.16.4",
+    "rimraf": "^3.0.0",
+    "ts-node": "^9.0.0",
+    "tslib": "^2.0.0",
+    "typescript": "~4.2.0"
+  },
+  "private": true,
+  "scripts": {
+    "perf-test:node": "ts-node test/index.spec.ts",
+    "audit": "node ../../../common/scripts/rush-audit.js && rimraf node_modules package-lock.json && npm i --package-lock-only 2>&1 && npm audit",
+    "build": "tsc -p .",
+    "build:samples": "echo skipped",
+    "build:test": "echo skipped",
+    "check-format": "prettier --list-different --config ../../../../.prettierrc.json --ignore-path ../../../../.prettierignore \"src/**/*.ts\" \"test/**/*.ts\" \"*.{js,json}\"",
+    "clean": "rimraf dist dist-esm test-dist typings *.tgz *.log",
+    "format": "prettier --write --config ../../../../.prettierrc.json --ignore-path ../../../../.prettierignore \"src/**/*.ts\" \"test/**/*.ts\" \"*.{js,json}\"",
+    "integration-test:browser": "echo skipped",
+    "integration-test:node": "echo skipped",
+    "integration-test": "echo skipped",
+    "lint:fix": "eslint --no-eslintrc -c ../../../.eslintrc.internal.json package.json test --ext .ts --fix --fix-type [problem,suggestion]",
+    "lint": "eslint --no-eslintrc -c ../../../.eslintrc.internal.json package.json test --ext .ts",
+    "pack": "npm pack 2>&1",
+    "prebuild": "npm run clean",
+    "unit-test:browser": "echo skipped",
+    "unit-test:node": "echo skipped",
+    "unit-test": "echo skipped",
+    "test:browser": "echo skipped",
+    "test:node": "echo skipped",
+    "test": "echo skipped"
+  }
+}
diff --git a/sdk/core/perf-tests/core-rest-pipeline/sample.env b/sdk/core/perf-tests/core-rest-pipeline/sample.env
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/sdk/core/perf-tests/core-rest-pipeline/test/bearerTokenChallengeAuthenticationPolicy/wwwChallenge.spec.ts b/sdk/core/perf-tests/core-rest-pipeline/test/bearerTokenChallengeAuthenticationPolicy/wwwChallenge.spec.ts
new file mode 100644
index 000000000000..2d5fc6245618
--- /dev/null
+++ b/sdk/core/perf-tests/core-rest-pipeline/test/bearerTokenChallengeAuthenticationPolicy/wwwChallenge.spec.ts
@@ -0,0 +1,200 @@
+import { PerfStressTest } from "@azure/test-utils-perfstress";
+import { AccessToken, GetTokenOptions, TokenCredential } from "@azure/core-auth";
+import {
+  AuthorizeRequestOnChallengeOptions,
+  bearerTokenChallengeAuthenticationPolicy,
+  createEmptyPipeline,
+  createHttpHeaders,
+  createPipelineRequest,
+  HttpClient,
+  Pipeline,
+  PipelineRequest,
+  PipelineResponse
+} from "@azure/core-rest-pipeline";
+import { TextDecoder } from "util";
+
+export interface TestChallenge {
+  scope: string;
+  claims: string;
+}
+
+let cachedChallenge: string | undefined;
+
+/**
+ * Converts a uint8Array to a string.
+ */
+export function uint8ArrayToString(ab: Uint8Array): string {
+  const decoder = new TextDecoder("utf-8");
+  return decoder.decode(ab);
+}
+
+/**
+ * Encodes a string in base64 format.
+ * @param value - The string to encode
+ */
+export function encodeString(value: string): string {
+  return Buffer.from(value).toString("base64");
+}
+
+/**
+ * Decodes a base64 string into a byte array.
+ * @param value - The base64 string to decode
+ */
+export function decodeString(value: string): Uint8Array {
+  return Buffer.from(value, "base64");
+}
+
+// Converts:
+//     Bearer a="b", c="d", Bearer d="e", f="g"
+// Into:
+//     [ { a: 'b', c: 'd' }, { d: 'e', f: 'g"' } ]
+// Important:
+//     Do not use this in production, as values might contain the strings we use to split things up.
+function parseCAEChallenge(challenges: string): any[] {
+  return challenges
+    .split("Bearer ")
+    .filter((x) => x)
+    .map((challenge) =>
+      `${challenge.trim()}, `
+        .split('", ')
+        .filter((x) => x)
+        .map((keyValue) => (([key, value]) => ({ [key]: value }))(keyValue.trim().split('="')))
+        .reduce((a, b) => ({ ...a, ...b }), {})
+    );
+}
+
+async function authorizeRequestOnChallenge(
+  options: AuthorizeRequestOnChallengeOptions
+): Promise<boolean> {
+  const { scopes, request, response, getAccessToken } = options;
+
+  const challenge = response?.headers.get("WWW-Authenticate");
+  if (!challenge) {
+    throw new Error("Failed to retrieve challenge from response headers");
+  }
+
+  const challenges: TestChallenge[] = parseCAEChallenge(challenge) || [];
+
+  const parsedChallenge = challenges.find((x) => x.claims);
+  if (!parsedChallenge) {
+    throw new Error("Missing claims");
+  }
+  if (cachedChallenge !== challenge) {
+    cachedChallenge = challenge;
+  }
+
+  const accessToken = await getAccessToken(scopes, {
+    // The architects haven't decided:
+    // claims: uint8ArrayToString(Buffer.from(parsedChallenge.claims, "base64"))
+  });
+
+  if (!accessToken) {
+    return false;
+  }
+
+  request.headers.set("Authorization", `Bearer ${accessToken}`);
+  return true;
+}
+
+class MockRefreshAzureCredential implements TokenCredential {
+  public authCount = 0;
+  public scopesAndClaims: { scope: string | string[]; challengeClaims: string | undefined }[] = [];
+
+  constructor(public getTokenResponse: AccessToken) {}
+
+  public getToken(
+    scope: string | string[],
+    _options: GetTokenOptions
+  ): Promise<AccessToken | null> {
+    this.authCount++;
+    this.scopesAndClaims.push({
+      scope,
+      // Architects haven't decided about the claims property
+      challengeClaims: undefined // options.claims
+    });
+    return Promise.resolve(this.getTokenResponse);
+  }
+}
+
+export class BearerTokenChallengeAuthenticationPolicyTest extends PerfStressTest {
+  options = {};
+
+  constructor() {
+    super();
+  }
+
+  static pipeline?: Pipeline;
+  static testHttpsClient?: HttpClient;
+  static request?: PipelineRequest;
+
+  async globalSetup(): Promise<void> {
+    const scope = "http://localhost/.default";
+    const challengeClaims = JSON.stringify({
+      access_token: { foo: "bar" }
+    });
+
+    const request = createPipelineRequest({ url: "https://example.com" });
+    const responses: PipelineResponse[] = [
+      {
+        headers: createHttpHeaders({
+          "WWW-Authenticate": `Bearer scope="${scope}", claims="${encodeString(challengeClaims)}"`
+        }),
+        request,
+        status: 401
+      },
+      {
+        headers: createHttpHeaders(),
+        request,
+        status: 200
+      }
+    ];
+
+    const expiresOn = Date.now() + 5000;
+    const getTokenResponse = { token: "mock-token", expiresOnTimestamp: expiresOn };
+    const credential = new MockRefreshAzureCredential(getTokenResponse);
+
+    const pipeline = createEmptyPipeline();
+
+    const cachedToken: AccessToken | null = null;
+    const bearerPolicy = bearerTokenChallengeAuthenticationPolicy({
+      // Intentionally left empty, as it should be replaced by the challenge.
+      scopes: [""],
+      credential,
+      challengeCallbacks: {
+        async authorizeRequest({ request }) {
+          if (cachedToken) {
+            request.headers.set("Authorization", `Bearer ${cachedToken}`);
+          }
+        },
+        authorizeRequestOnChallenge
+      }
+    });
+
+    pipeline.addPolicy(bearerPolicy);
+
+    const finalSendRequestHeaders: (string | undefined)[] = [];
+
+    let responsesCount = 0;
+
+    BearerTokenChallengeAuthenticationPolicyTest.request = request;
+    BearerTokenChallengeAuthenticationPolicyTest.pipeline = pipeline;
+    BearerTokenChallengeAuthenticationPolicyTest.testHttpsClient = {
+      sendRequest: async (req) => {
+        finalSendRequestHeaders.push(req.headers.get("Authorization"));
+
+        // First goes the error response, then the good response.
+        const responsesIndex = responsesCount % 2 ? 1 : 0;
+
+        const response = responses[responsesIndex];
+        responsesCount++;
+        response.request = req;
+        return response;
+      }
+    };
+  }
+
+  async runAsync(): Promise<void> {
+    const { pipeline, testHttpsClient, request } = BearerTokenChallengeAuthenticationPolicyTest;
+    await pipeline!.sendRequest(testHttpsClient!, request!);
+  }
+}
diff --git a/sdk/core/perf-tests/core-rest-pipeline/test/index.spec.ts b/sdk/core/perf-tests/core-rest-pipeline/test/index.spec.ts
new file mode 100644
index 000000000000..ff95ff93f2d7
--- /dev/null
+++ b/sdk/core/perf-tests/core-rest-pipeline/test/index.spec.ts
@@ -0,0 +1,10 @@
+import { PerfStressProgram, selectPerfStressTest } from "@azure/test-utils-perfstress";
+import { BearerTokenChallengeAuthenticationPolicyTest } from "./bearerTokenChallengeAuthenticationPolicy/wwwChallenge.spec";
+
+console.log("=== Starting the perfStress test ===");
+
+const perfStressProgram = new PerfStressProgram(
+  selectPerfStressTest([BearerTokenChallengeAuthenticationPolicyTest])
+);
+
+perfStressProgram.run();
diff --git a/sdk/core/perf-tests/core-rest-pipeline/tsconfig.json b/sdk/core/perf-tests/core-rest-pipeline/tsconfig.json
new file mode 100644
index 000000000000..afd0da5d14c7
--- /dev/null
+++ b/sdk/core/perf-tests/core-rest-pipeline/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "extends": "../../../../tsconfig.package",
+  "compilerOptions": {
+    "module": "CommonJS",
+    "target": "ES2015",
+    "lib": ["ES6", "ESNext.AsyncIterable"],
+    "noEmit": true
+  },
+  "compileOnSave": true,
+  "exclude": ["node_modules"],
+  "include": ["./test/**/*.ts"]
+}