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In ICN's SDWAN usages, SFC (Service Function Chain) is designed to suppo= rt Corp networks to connect to external internet with security connection. = The SFC includes Security VNF (e.g. firewall etc.), WAN Opt CNF and SDWAN V= NF/CNF, and SDWAN module is worked as software defined router which can be = used to defined the rules when connect to external internet. Below diagram = shows where SDWAN module located in the whole system.
The OpenWRT Project (https://openwrt.org/) is an open source project = based on Linux, and it is primarily used on embedded devices to route netwo= rk traffic. There are more than 3500 software packages which can be install= ed on OpenWRT via opkg package management system. OpenWRT provides both doc= ker image and VM image to support virtualization solution (https://openwrt.org/docs/guide-user/virtualization/start= ). In ICN, we run OpenWRT in container.
OpenWRT Mwan3 package (a replacement for multiwan package) provides the = capabilities for multiple WAN management: WAN interfaces management, outbou= nd traffic rules, traffic load balancing etc.
ovn4nfv-k8s-plugin is a CNI plugin based on ovn. It can work together wi= th Multus CNI to add multiple interfaces for the pod. One of the interfaces= is the Multus default interface, it could be flannel, calico, etc. The oth= er interfaces are added by ovn4nfv-k8s-plugin according the the pod annotat= ion. With ovn4nfv-k8s-plugin, we can create virtual network in run-time. Al= so we can connect the pod with the provider network, this is important for = CNF.
SDEWAN is a solution to enable SDWAN functionalities include multiple WA= N link support, WAN traffic management, NAT, firewall, IPSec and Traffic sh= aping etc. with focus to address the challenges when applying on edge compu= ting environment like resource limitation, edge overlays, traffic sanitizat= ion, automation and cost sensitive etc. The solution includes below compone= nts:
ICN Weekly meeting video recordings- Weekly= Akraino ICN Engineering Meeting