update readme

Signed-off-by: weizhoublue <weizhou.lan@daocloud.io> update readme Signed-off-by: weizhoublue <weizhou.lan@daocloud.io>
livil · Dec 13, 2023 · 3145552 · 3145552
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diff --git a/README-zh_CN.md b/README-zh_CN.md
@@ -56,7 +56,7 @@ underlay CNI 主要指 macvlan、ipvlan、SR-IOV 等能够直接访问宿主机
 
 * 增强网络连通性
 
-    打通 Pod 和宿主机的连通性，确保 Pod 健康检测工作正常，并可通过 kube-proxy 或 eBPF kube-proxy replacement 使得 Pod 访问 service，支持 Pod 的 IP 冲突检测、网关可达性检测等。多集群网络可基于相同的 underlay 网络或者 [Submariner](https://github.com/submariner-io/submariner) 实现联通。
+    总所周知，原生的 macvlan ipvlan SR-IOV 存在诸多通信限制。但是，Spiderpool 打通 Pod 和宿主机的连通性，确保 Pod 健康检测工作正常，并可通过 kube-proxy 或 eBPF kube-proxy replacement 使得 Pod 访问 service，支持 Pod 的 IP 冲突检测、网关可达性检测等。多集群网络可基于相同的 underlay 网络或者 [Submariner](https://github.com/submariner-io/submariner) 实现联通。
 
 * eBPF 增强
 

diff --git a/README.md b/README.md
@@ -59,7 +59,7 @@ The underlay CNI is mainly including macvlan, ipvlan, and SR-IOV, which cloud ac
 
 * Enhanced network connectivity
 
-    Spiderpool establishes seamless connectivity between Pods and host machines, ensuring smooth functioning of Pod health checks. It enables Pods to access services through kube-proxy or eBPF-based kube-proxy replacement. Additionally, it supports advanced features like IP conflict detection and gateway reachability checks. The network of Multi-cluster could be connected by a same underlay network, or [Submariner](https://github.com/submariner-io/submariner) .
+    As we known, native CNI of macvlan ipvlan SR-IOV has lots of communication limits. However, Spiderpool establishes seamless connectivity between Pods and host machines, ensuring smooth functioning of Pod health checks. It enables Pods to access services through kube-proxy or eBPF-based kube-proxy replacement. Additionally, it supports advanced features like IP conflict detection and gateway reachability checks. The network of Multi-cluster could be connected by a same underlay network, or [Submariner](https://github.com/submariner-io/submariner) .
 
 * eBPF enhancements
 

diff --git a/docs/README-zh_CN.md b/docs/README-zh_CN.md
@@ -56,7 +56,7 @@ underlay CNI 主要指 macvlan、ipvlan、SR-IOV 等能够直接访问宿主机
 
 * 增强网络连通性
 
-  打通 Pod 和宿主机的连通性，确保 Pod 健康检测工作正常，并可通过 kube-proxy 或 eBPF kube-proxy replacement 使得 Pod 访问 service，支持 Pod 的 IP 冲突检测、网关可达性检测等。多集群网络可基于相同的 underlay 网络或者 [Submariner](https://github.com/submariner-io/submariner) 实现联通。
+  总所周知，原生的 macvlan ipvlan SR-IOV 存在诸多通信限制。但是，Spiderpool 打通 Pod 和宿主机的连通性，确保 Pod 健康检测工作正常，并可通过 kube-proxy 或 eBPF kube-proxy replacement 使得 Pod 访问 service，支持 Pod 的 IP 冲突检测、网关可达性检测等。多集群网络可基于相同的 underlay 网络或者 [Submariner](https://github.com/submariner-io/submariner) 实现联通。
 
 * eBPF 增强
 

diff --git a/docs/README.md b/docs/README.md
@@ -59,7 +59,7 @@ The underlay CNI is mainly including macvlan, ipvlan, and SR-IOV, which cloud ac
 
 * Enhanced network connectivity
 
-  Spiderpool establishes seamless connectivity between Pods and host machines, ensuring smooth functioning of Pod health checks. It enables Pods to access services through kube-proxy or eBPF-based kube-proxy replacement. Additionally, it supports advanced features like IP conflict detection and gateway reachability checks. The network of Multi-cluster could be connected by a same underlay network, or [Submariner](https://github.com/submariner-io/submariner) .
+  As we known, native CNI of macvlan ipvlan SR-IOV has lots of communication limits. However, Spiderpool establishes seamless connectivity between Pods and host machines, ensuring smooth functioning of Pod health checks. It enables Pods to access services through kube-proxy or eBPF-based kube-proxy replacement. Additionally, it supports advanced features like IP conflict detection and gateway reachability checks. The network of Multi-cluster could be connected by a same underlay network, or [Submariner](https://github.com/submariner-io/submariner) .
 
 * eBPF enhancements