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Service Assurance Agent : ウィキペディア英語版 | Service Assurance Agent IP SLA (Internet Protocol Service Level Agreement) is an active computer network measurement technology that was initially developed by Cisco Systems. IP SLA was previously known as Service Assurance Agent (SAA) or Response Time Reporter (RTR). == Functions == Routers and switches enabled with IP SLA perform periodic network tests or measurements such as * Hypertext Transfer Protocol (HTTP) GET * File Transfer Protocol (FTP) downloads * Domain Name System (DNS) lookups * User Datagram Protocol (UDP) echo, for VoIP jitter and Mean Opinion Score (MOS) * Data-Link Switching (DLSw) (SNA Tunneling protocol) * Dynamic Host Configuration Protocol (DHCP) lease requests * Transmission Control Protocol (TCP) connect * Internet Control Message Protocol (ICMP) echo (remote ping) The exact number and types of available measurements depends on the IOS version. IP SLA is very widely used in service provider networks to generate time-based performance data. It is also used together with Simple Network Management Protocol (SNMP) and Netflow, which generate volume-based data.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Service Assurance Agent」の詳細全文を読む
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