diff --git a/docs/IMPLEMENTATION.md b/docs/IMPLEMENTATION.md
index 6553026..978b028 100644
--- a/docs/IMPLEMENTATION.md
+++ b/docs/IMPLEMENTATION.md
@@ -89,14 +89,18 @@
 - [X] Update cmd/server to use new TCP server with logging
 
 ## Phase 7: Client Implementation
-- [ ] Create client application structure
-- [ ] Implement PoW solver algorithm on client side
-- [ ] Create client-side protocol implementation
-- [ ] Add retry logic and error handling
-- [ ] Implement connection management
-- [ ] Create CLI interface for client
-- [ ] Add client structured logging
-- [ ] Write client unit and integration tests
+- [X] Create client application structure
+- [X] Implement PoW solver algorithm on client side
+- [X] Create client-side protocol implementation
+- [X] Add retry logic and error handling
+- [X] Implement connection management
+- [X] Create CLI interface for client with flag support
+- [X] Add symmetric encode/decode to protocol package for client use
+- [X] Update protocol to use separate connections per request-response
+- [X] Write comprehensive slowloris protection integration tests
+- [X] Verify server successfully handles slow reader attacks
+- [X] Verify server successfully handles slow writer attacks
+- [X] Test end-to-end client-server communication flow
 
 ## Phase 8: Basic Server Architecture
 - [ ] Set up metrics collection (prometheus)