IPv4和IPv6之间的主要区别是什么? [英] What are the primary differences between IPv4 and IPv6?

问题描述

我知道IP地址池已增加(从32位到128位).

I understand that the pool of IP addresses has been increased (32bit to 128bit).

两者之间还有其他主要区别吗?

Are there some other primary differences between the two?

推荐答案

IPv4使用32位地址方案，允许2 ^ 32个不同的地址. IPv6使用128位地址方案，允许2 ^ 128个不同的地址.

IPv4 uses a 32-bit address scheme, allowing for 2^32 different addresses. IPv6 uses a 128-bit address scheme, allowing for 2^128 different addresses.

IPv6的最大改进是可能地址的大量增加.但是，还有其他一些重要的技术更改:

The biggest improvement of IPv6 was the huge increase of possible addresses. There are some other important technological changes though:

• 不再有NAT(网络地址转换)
• 自动配置
• 没有其他私人地址冲突
• 更好的多播路由
• 更简单的标头格式
• 简化，更有效的路由
• 真实的服务质量(QoS)，也称为流标记"
• 内置身份验证和隐私支持
• 灵活的选项和扩展名
• 易于管理(告别DHCP)

• No more NAT (Network Address Translation)
• Auto-configuration
• No more private address collisions
• Better multicast routing
• Simpler header format
• Simplified, more efficient routing
• True quality of service (QoS), also called "flow labeling"
• Built-in authentication and privacy support
• Flexible options and extensions
• Easier administration (say good-bye to DHCP)

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