diff --git a/go.mod b/go.mod
index 8033aed..75f72a9 100644
--- a/go.mod
+++ b/go.mod
@@ -5,11 +5,11 @@ go 1.22.0
 toolchain go1.22.2
 
 require (
-	github.com/fluffy-melli/korcen-go v1.0.2
 	github.com/gin-gonic/gin v1.10.0
 	github.com/swaggo/files v1.0.1
 	github.com/swaggo/gin-swagger v1.6.0
 	github.com/swaggo/swag v1.16.4
+	github.com/fluffy-melli/korcen-go v1.1.0
 )
 
 require (
@@ -22,6 +22,7 @@ require (
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/cloudwego/base64x v0.1.4 // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
+	github.com/fluffy-melli/korcen-go v1.1.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
 	github.com/gin-contrib/sse v1.0.0 // indirect
 	github.com/go-logr/logr v1.3.0 // indirect
@@ -35,6 +36,7 @@ require (
 	github.com/go-playground/validator/v10 v10.24.0 // indirect
 	github.com/goccy/go-json v0.10.4 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/btree v1.1.3 // indirect
 	github.com/google/uuid v1.5.0 // indirect
 	github.com/gyarang/gohangul v0.1.3 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
diff --git a/go.sum b/go.sum
index d8c9e5a..e5aa072 100644
--- a/go.sum
+++ b/go.sum
@@ -24,6 +24,8 @@ github.com/emirpasic/gods v1.18.1 h1:FXtiHYKDGKCW2KzwZKx0iC0PQmdlorYgdFG9jPXJ1Bc
 github.com/emirpasic/gods v1.18.1/go.mod h1:8tpGGwCnJ5H4r6BWwaV6OrWmMoPhUl5jm/FMNAnJvWQ=
 github.com/fluffy-melli/korcen-go v1.0.2 h1:svrN7f1cUVxKgiP2jiDSrWr6skFMz3OlV7TbvzwwZTk=
 github.com/fluffy-melli/korcen-go v1.0.2/go.mod h1:s6yddpCHLCtfuNohsvDaK7KM8Xk9EMRsRR6gYyajLmQ=
+github.com/fluffy-melli/korcen-go v1.1.0 h1:SxHU0w+aT4bFI5N8gktnD/5J6/BUXO9dqd/T8Pf1YaA=
+github.com/fluffy-melli/korcen-go v1.1.0/go.mod h1:Oqxz2xXSPS0EYoCAv/7EX6F6Xl+zkXpfZUpNytszCrQ=
 github.com/gabriel-vasile/mimetype v1.4.8 h1:FfZ3gj38NjllZIeJAmMhr+qKL8Wu+nOoI3GqacKw1NM=
 github.com/gabriel-vasile/mimetype v1.4.8/go.mod h1:ByKUIKGjh1ODkGM1asKUbQZOLGrPjydw3hYPU2YU9t8=
 github.com/gin-contrib/gzip v0.0.6 h1:NjcunTcGAj5CO1gn4N8jHOSIeRFHIbn51z6K+xaN4d4=
@@ -59,6 +61,8 @@ github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5y
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/btree v1.1.3 h1:CVpQJjYgC4VbzxeGVHfvZrv1ctoYCAI8vbl07Fcxlyg=
+github.com/google/btree v1.1.3/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
diff --git a/limit_test.asm b/limit_test.asm
new file mode 100644
index 0000000..ee31fcd
--- /dev/null
+++ b/limit_test.asm
@@ -0,0 +1,241 @@
+; limit_test.asm
+; NASM syntax x86-64 Windows
+
+; 아직 미완
+
+BITS 64
+
+SECTION .data
+    jsonData db '{"input":"string","replace-end":"string","replace-front":"string"}',0
+    jsonDataLen equ $ - jsonData - 1
+
+    httpRequestHeader db "POST /api/v1/korcen HTTP/1.1\r\nHost: localhost:7777\r\nContent-Type: application/json\r\nContent-Length: 64\r\nConnection: close\r\n\r\n",0
+    httpRequestHeaderLen equ $ - httpRequestHeader -1
+
+    completeMsg db "200 HTTP POST Complete",10,0
+    wsaStartMsg db "WSAStartup successful",10,0
+    socketCreatedMsg db "Socket created",10,0
+    connectedMsg db "Connected to server",10,0
+    sendHeaderMsg db "HTTP header sent",10,0
+    sendJsonMsg db "JSON data sent",10,0
+    recvMsg db "Response received",10,0
+    connectFailedMsg db "Connect failed",10,0
+    sendFailedMsg db "Send failed",10,0
+    recvFailedMsg db "Recv failed",10,0
+    cleanupMsg db "WSACleanup called",10,0
+    exitErrorMsg db "WSAStartup failed",10,0
+
+sockaddr_in:
+    dw 2
+    dw 0x1E61
+    dd 0x0100007F
+    times 8 db 0
+
+SECTION .bss
+    wsaData resb 104
+    sock resq 1
+    recvBuffer resb 4096
+
+SECTION .text
+    extern ExitProcess
+    extern WSAStartup
+    extern WSACleanup
+    extern socket
+    extern connect
+    extern send
+    extern recv
+    extern closesocket
+    extern printf
+
+    global main
+
+main:
+    mov ecx, 0x0202
+    lea rdx, [rel wsaData]
+    sub rsp, 40
+    call WSAStartup
+    add rsp, 40
+    cmp eax, 0
+    jne exit_error
+
+    lea rcx, [rel wsaStartMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    mov r12d, 0
+
+send_loop:
+    cmp r12d, 200
+    jge end_loop
+
+    mov ecx, 2
+    mov edx, 1
+    mov r8d, 6
+    sub rsp, 40
+    call socket
+    add rsp, 40
+    cmp rax, -1
+    je loop_continue
+    mov [rel sock], rax
+
+    lea rcx, [rel socketCreatedMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    mov rax, [rel sock]
+    mov rcx, rax
+    lea rdx, [rel sockaddr_in]
+    mov r8d, 16
+    sub rsp, 40
+    call connect
+    add rsp, 40
+    cmp eax, -1
+    je connect_failed
+
+    lea rcx, [rel connectedMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    mov rax, [rel sock]
+    mov rcx, rax
+    lea rdx, [rel httpRequestHeader]
+    mov r8d, httpRequestHeaderLen
+    mov r9d, 0
+    sub rsp, 40
+    call send
+    add rsp, 40
+    cmp eax, -1
+    je send_failed
+
+    lea rcx, [rel sendHeaderMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    mov rax, [rel sock]
+    mov rcx, rax
+    lea rdx, [rel jsonData]
+    mov r8d, jsonDataLen
+    mov r9d, 0
+    sub rsp, 40
+    call send
+    add rsp, 40
+    cmp eax, -1
+    je send_failed
+
+    lea rcx, [rel sendJsonMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    mov rax, [rel sock]
+    mov rcx, rax
+    lea rdx, [rel recvBuffer]
+    mov r8d, 4096
+    mov r9d, 0
+    sub rsp, 40
+    call recv
+    add rsp, 40
+    cmp eax, -1
+    je recv_failed
+
+    lea rcx, [rel recvMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    mov rax, [rel sock]
+    mov rcx, rax
+    sub rsp, 40
+    call closesocket
+    add rsp, 40
+
+    inc r12d
+
+    jmp send_loop
+
+connect_failed:
+    lea rcx, [rel connectFailedMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    mov rax, [rel sock]
+    mov rcx, rax
+    sub rsp, 40
+    call closesocket
+    add rsp, 40
+
+    inc r12d
+
+    jmp send_loop
+
+send_failed:
+    lea rcx, [rel sendFailedMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    mov rax, [rel sock]
+    mov rcx, rax
+    sub rsp, 40
+    call closesocket
+    add rsp, 40
+
+    inc r12d
+
+    jmp send_loop
+
+recv_failed:
+    lea rcx, [rel recvFailedMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    mov rax, [rel sock]
+    mov rcx, rax
+    sub rsp, 40
+    call closesocket
+    add rsp, 40
+
+    inc r12d
+
+    jmp send_loop
+
+loop_continue:
+    inc r12d
+    jmp send_loop
+
+end_loop:
+    sub rsp, 40
+    call WSACleanup
+    add rsp, 40
+
+    lea rcx, [rel cleanupMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    lea rcx, [rel completeMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    xor ecx, ecx
+    sub rsp, 40
+    call ExitProcess
+    add rsp, 40
+
+exit_error:
+    lea rcx, [rel exitErrorMsg]
+    sub rsp, 40
+    call printf
+    add rsp, 40
+
+    mov ecx, 1
+    sub rsp, 40
+    call ExitProcess
+    add rsp, 40