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cframe's Introduction

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状态: Alpha

介绍

cframe是一款网格VPN(mesh vpn)项目,能解决多个IP地址不冲突的网络互联,以下是一些典型的应用场景:

  • 跨VPC,跨云之间网络互联
  • VPC与IDC网络互联
  • k8s多集群互联

cframe包括两个重要组件,controlleredge,controller也即是控制平面,用于路由下发以及edge节点管理,edge也即是转发平面,用于路由和转发数据到对应的edge节点,任意两个edge节点互联,形成一个网状结构。

您可以将edge类比为路由器,每个路由器上保存着全量的路由信息,当一个数据包到来时,edge节点查找全局路由,找到对应的下一跳edge并转发。

目录

cframe的核心技术原理

如上图所示,cframe包括controlleredge两个重要角色,除此之外还附加网络管理工具cfctl模块,用于管理edge以及路由。

controller是控制平面,是整个系统最核心的部分,负责管理管理edge以及路由,controller通过读取和订阅存储与etcd当中的信息,并通过长连接实时下发到edge当中。

edge是转发层面,每个edge即是所在的可用区的网关,edge节点之间两两互联,形成一个网状的网络拓扑结构,edge实时接收来自controller的消息,然后将其变更应用到本地。

每个edge所在的可用区包括一个或者多个网络,通常如果只需要VPC互通,那么一个网络就可以解决,如果需要VPC内的k8s集群互通,那么就需要使用路由,将该edge所在的可用区的k8s的网段下发到其他edge当中,让其他edge感知到其存在,从而能够正确的路由。

关于更多的设计文档以及使用细节,您可以阅读:

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关于作者

一个爱好编程的人,网名叫ICKelin。对于以下任何问题,包括

  • 项目实现细节
  • 项目使用问题
  • 项目建议,代码问题
  • 案例分享
  • 技术交流

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cframe's Issues

Crypto Go :we are a research group to help developers build secure applications.

Hi, we are a research group to help developers build secure applications. We designed a cryptographic misuse detector (i.e., CryptoGo) on Go language. We found your great public repository from Github, and several security issues detected by CryptoGo are shown in the following.
Note that the cryptographic algorithms are categorized with two aspects: security strength and security vulnerability based on NIST Special Publication 800-57 and other public publications. Moreover, CryptoGo defined certain rules derived from the APIs of Go cryptographic library and other popular cryptographic misuse detectors. The specific security issues we found are as follows:
(1) Location: pkg/logs/alils/request.go:26
Broken rule: MD5 is an insecure algorithm;
(2) Location: pkg/logs/smtp.go:77
Broken rule: SSL/TLS use insecure verification;
We wish the above security issues could truly help you to build a secure application. If you have any concern or suggestion, please feel free to contact us, we are looking forward to your reply. Thanks.

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