These protocols also designed to satisfy the basic requirement of building P2P applications, such as discovery of peers, searching, file or data transfer, etc.
这些协议满足了P 2 P应用的基本需求,其中包括对等节点发现、资源搜索、文件和数据传输等。
3
Lack of context or state information makes it impossible to use packet-filters for datagram-based protocols such as FileTransfer protocol.