TP-Link TL-ER604W manual Allows dissimilar communication devices to communicate

		Glossary		Description
				H.323 allows dissimilar communication devices to communicate
		H.323		with each other by using a standardized communication
				protocol. H.323 defines a common set of CODECs, call setup
H				and negotiating procedures, and basic data transport methods.
		HTTP（Hypertext Transfer		The protocol used by Web browsers and Web servers to
		Protocol）		transfer files, such as text and graphic files.
		ICMP（Internet Control		Network layer Internet protocol that reports errors and provides
		Messages Protocol）		other information relevant to IP packet processing.
				Largest global Internetwork, connecting tens of thousands of
		Internet		networks worldwide and having a “culture” that focuses on
				research and standardization based on real-life use.
				Network layer protocol in the TCP/IP stack offering a
		IP（Internet Protocol）		connectionless Internetwork service. IP provides features for
				addressing, type-of-service specification, fragmentation and
				reassembly, and security.
I
				Company that provides Internet access to other companies and
		ISP（Internet Service
		Provider）		individuals.
				IKE establishes a shared security policy and authenticates keys
		IKE （Internet Key		for services (such as IPSec) that require keys. Before any IPSec
		Exchange）		traffic can be passed, each Router/firewall/host must verify the
				identity of its peer.
				A framework of open standards that provides data
		IPsec（IP Security）		confidentiality, data integrity, and data authentication between
				participating peers.
				High-speed, low-error data network covering a relatively small
L	LAN（Local Area Network）			geographic area (up to a few thousand meters). LANs connect
			workstations, peripherals, terminals, and other devices in a
				single building or other geographically limited area.

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