Implementing Custom Communication Protocols Between Agents

Implementing Custom Communication Protocols Between Agents | Web Dev Guide

# Sender: Agent A
import json, hmac, hashlib, socket, time

SECRET_KEY = b"supersecret"  # HMAC용 공유 비밀키

def sign_message(message, key):
    return hmac.new(key, message.encode(), hashlib.sha256).hexdigest()

def create_message(payload):
    msg = {
        "type": "greeting",
        "timestamp": time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime()),
        "payload": payload
    }
    msg_str = json.dumps(msg)
    msg["signature"] = sign_message(msg_str, SECRET_KEY)
    return json.dumps(msg)

def send_message(host, port, msg):
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        s.connect((host, port))
        s.sendall(msg.encode())

# 사용 예시
msg = create_message("Hello, Agent B!")
send_message("127.0.0.1", 9000, msg)

# Receiver: Agent B
def verify_signature(msg, key):
    signature = msg.pop("signature")
    msg_str = json.dumps(msg)
    expected_sig = sign_message(msg_str, key)
    return hmac.compare_digest(signature, expected_sig)

def receive_message(port):
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        s.bind(('', port))
        s.listen(1)
        conn, _ = s.accept()
        with conn:
            data = conn.recv(1024).decode()
            try:
                msg = json.loads(data)
                if verify_signature(msg, SECRET_KEY):
                    print("Received valid message:", msg["payload"])
                else:
                    print("Invalid signature! Possible tampering.")
            except Exception as e:
                print("Error receiving message:", e)

def reliable_send(host, port, msg, retries=3):
    for attempt in range(retries):
        try:
            send_message(host, port, msg)
            print(f"Sent on attempt {attempt+1}")
            return
        except Exception as e:
            print(f"Send failed (attempt {attempt+1}): {e}")
            time.sleep(2)
    print("Giving up after retries.")

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Table of Contents

Introduction to Custom Communication Protocols Between Agents

💡 Practical Tips

Core Features of Custom Agent Communication Protocols

메시지 포맷 & 교환 규칙: 에이전트의 언어

동기/비동기 지원: 유연성이 생명

확장성: 미래를 대비하라

보안: 타협 불가

네트워크 환경 최적화

💡 Practical Tips

Use Cases: Applying Custom Protocols in Real-World Multi-Agent Systems

멀티 로봇 시스템의 협업 작업 분배

분산 AI 시스템의 데이터 교환과 협상

IoT 디바이스를 위한 경량 프로토콜

💡 Practical Tips

Technical Considerations and Challenges in Protocol Design

이기종 에이전트 간 상호운용성

복잡성 = 높은 유지비

보안 함정

네트워크 지연과 패킷 손실 처리

💡 Practical Tips

Step-by-Step Example: Implementing a Simple Custom Protocol

Step 1: 메시지 구조 정의

Step 2: 송수신 함수 구현

Step 3: 에러 처리와 재시도 추가

Step 4: 보안 플러그인 (빠르게)

Step 5: 성능과 보안 최적화

Quick Recap

💡 Practical Tips

Best Practices and Recommendations for Developing Custom Protocols

Conclusion and Future Outlook

📚 References and Further Learning

Official Documentation

Tutorials

Useful Tools

Communities

🔗 Related Topics

Agent Communication Languages (ACLs)

Serialization and Message Encoding

Transport Layer Protocols

Agent Architectures

📈 Next Steps

Tags

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