VMess is an encrypted transmission protocol based on TCP. All data is transmitted using TCP. It is an encrypted transmission protocol originally created by V2Ray and used in V2Ray. It is divided into two parts: inbound and outbound. Its function is to help the client and the server establish communication. On V2Ray, the communication between the client and the server is mainly through the VMess protocol.
The VMess client initiates a request, and the server determines whether the request comes from a legitimate client. If so, the request is forwarded and the received response is sent back to the client.
VMess uses an asymmetric format, that is, the client's request and the server's response use different formats.
Note: VMess depends on the system time. Please ensure that the UTC time error of the system using V2Ray is within 90 seconds, regardless of the time zone where the V2Ray server is located. In Linux systems, you can install the ntp service to automatically synchronize the system time.
What is the difference between VLESS and VMess?
VLESS and VMess are both variants of the SSR and V2Ray protocols. Their main differences lie in data encryption, transmission methods, handshake protocols, etc.
1. Data encryption method: VLESS uses the more secure AEAD encryption method, while VMess uses the more common symmetric encryption methods such as AES-CFB. The AEAD encryption method can not only ensure data security, but also provide data integrity verification to prevent data tampering.
2. Transmission method: VLESS uses the more efficient QUIC protocol as the transmission method, while VMess uses TCP or WebSocket. The QUIC protocol is a transmission method based on the UDP protocol. Compared with the TCP protocol, it can better adapt to unstable network environments and improve transmission efficiency.
3. Handshake protocol: VLESS uses the more secure TLS1.3 protocol for handshake, while VMess uses TLS1.2. The TLS1.3 protocol has improvements in both security and efficiency.
4. Configuration method: VLESS's configuration method is simpler and does not require setting some complex parameters, while VMess requires setting some parameters, such as alterId, etc.
VLESS is more secure and efficient in terms of encryption, transmission, handshake protocol, etc., and its configuration is also simpler. However, VLESS is still a relatively new protocol compared to VMess. Currently, there are relatively few nodes that support it, and it needs more node support and user use to promote it.
Differences between VLESS and VMess
VLESS and VMess are both network transmission protocols developed based on V2Ray, used to transmit encrypted traffic in the network. Although the core concepts of the two are similar, there are also some important differences between them.
The protocol architecture of VLESS and VMess is different
VLESS is a TLS-based protocol, so it can use the secure transmission characteristics of TLS to achieve more secure data transmission. The transmission characteristics of VLESS are similar to Trojan. It can not only use TCP for transmission, but also use protocols such as QUIC for transmission, so it is more flexible.
VMess is developed based on the HTTP/2 protocol. It uses the HTTP/2 protocol to multiplex traffic and improve network transmission efficiency. At the same time, VMess also supports traffic camouflage, which can simulate the network traffic of other applications, making it more difficult to identify and block traffic.
VLESS and VMess have different encryption methods
VLESS uses more secure encryption algorithms and key exchange methods, such as AES-GCM and ChaCha20-Poly1305. These algorithms are better than VMess in terms of security and efficiency. VLESS also supports hardware acceleration, which can accelerate encryption algorithms through CPU instructions and improve transmission efficiency.
VMess uses more lightweight encryption algorithms, such as AES-CFB and Chacha20, etc. These algorithms are faster in encryption speed, but relatively weaker in security.
VLESS and VMess are configured differently
The configuration of VLESS is relatively simple, and only requires a few parameters such as server address, port number, encryption method, transmission protocol, etc. The configuration of VMess is relatively complex, and requires multiple parameters such as id, alterId, security, etc. The configuration of VMess requires more detailed adjustment of parameters to achieve better transmission effect.
VLESS and VMess are applicable to different scenarios
VLESS is suitable for scenarios that require higher security and more flexible network transmission requirements. For example, data needs to be transmitted in different network environments, traffic needs to be prevented from being identified and blocked, higher transmission speeds and better encryption algorithms are required, etc.
VMess is suitable for scenarios that require higher transmission speeds and lighter network transmission requirements. For example, a large amount of data needs to be transmitted over the network, requiring faster transmission speeds and higher transmission efficiency.
In general, VLESS and VMess are both excellent network transmission protocols. They differ in encryption methods, protocol architecture, configuration methods, and applicable scenarios. Choosing which protocol should be based on specific needs to achieve better network transmission effects.
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