状态通道是Layer2的入门级方案,状态通道是交易双方在链下构建一个通道,通过私钥签名以后,在链下进行交易。状态通道是一种扩容(scale up)的手段。 状态通道也称为支付通道,支付通道是如今最广泛采用的 Layer 2 方案。例如,闪电网络就是建立在支付通道技术上的。 如何使用支付通道? 比如建立价值为100美元的以太坊支付...
What Does Layer 2 Mean? Layer 2 refers to the second layer of the Open Systems Interconnection (OSI) Model, which is the data link layer. Advertisements Layer 2 is where data packets are encoded and decoded into actual bits. It is the protocol layer that enables the transfer of data ...
which means that the Layer 3 switch is based on the Layer 2 switch. The routing function is added to the above, and the IP addresses of different VLANs can be configured, and the communication between VLANs can be realized through three-layer routing. ...
L2TP can transfer most L2 data types over anIPor Layer Three (L3) network. The process initiates a tunnel between an L2TP access concentrator (LAC) and an L2TP network server (LNS) on the internet. This facilitates a Point-to-Point Protocol (PPP) link layer that is encapsulated and transfe...
What is the L2TP VPN protocol? The Layer 2 Tunneling Protocol (L2TP) is a protocol that creates a secure tunnel for sending data between two points in a network. While it doesn’t encrypt data on its own, it’s often paired with encryption protocols like IPSec. L2TP is mainly used in ...
Internet. It is also known as the "application layer." It is the top layer of the data processing that occurs just below the surface or behind the scenes of the software applications that users interact with. TheHTTPrequests and responses used to load webpages, for example, are layer 7 ...
Handover: A roaming mode that matches the network side is selected based on the STA and network capabilities. Wi-Fi roaming classification As shown in the following figure, STA roamingcanbe classified into Layer 2 roaming and Layer 3 roaming, depending on whether a STA roams within the same ...
Address Resolution Protocol (ARP) translates IPv4 addresses (OSI Layer 3) into Ethernet MAC addresses (OSI Layer 2); and domain name system (DNS), which is an application layer service that's used to look up the IP address of a domain name. ...
A network switch is an appliance that forwards data packets within alocal area network (LAN). Most network switches operate at layer 2, the data link layer, not layer 3, the network layer, and therefore use MAC addresses to forward packets, not IP addresses. To learn more, seeWhat is a...
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