A keepalive (KA) is a message sent by one device to another to check that the link between the two is operating, or to prevent the link from being broken...

declared otherwise. The HTTP persistent connections do not use separate keepalive messages, they just allow multiple requests to use a single connection...

waits for one in return in order to transition to the OpenConfirm state. Keepalive messages are exchanged and, upon successful receipt, the router is placed...

A keepalive is a message sent by one device to another to check that the link between the two is operating, or to prevent the link from being broken....

kiloannum or kiloannus (ka), a unit of time equal to one thousand (103) years Keepalive, a computer network message Kiloampere (kA), a unit of electric current...

failing links than would normally be possible using the protocol's own keepalive mechanism. A session may operate in one of two modes: asynchronous mode...

disconnects or half-open TCP connections. Applications can be written to send keepalive messages periodically to prevent a firewall from dropping the connection...

generated traffic by eliminating workarounds in form of outgoing NAT keepalive messages, which are required for maintaining connections to servers and...

may be used to obtain a list of all hosts on a network. fping hping Keepalive nping PathPing Ping of death Ping-pong scheme Smurf attack Traceroute...

typically by writing a zero character to /dev/watchdog or by calling a KEEPALIVE ioctl. The device driver, which serves to abstract the watchdog hardware...

Retrieved 2018-10-01. Wouters, Paul (April 2016). "RFC 7828: The edns-tcp-keepalive EDNS0 Option". tools.ietf.org. Retrieved 2018-02-02. Contavalli, Carlo...

that monitors the node's presence within the cluster through a series of keepalive or "hear-beat messages". Cluster Manager (CM): The subsystem within the...

TCP parameters: Section 7  Code Name Length Notes 37 TCP default TTL 1 octet 38 TCP keepalive interval 4 octets 39 TCP keepalive garbage 1 octet...

connection between two endpoints has not been interrupted, endpoints exchange keepalive messages at regular intervals, which can also be used to automatically...

This method is often used for DTMF relay. RFC 6086 OPTIONS Query the capabilities of an endpoint. It is often used for NAT keepalive purposes. RFC 3261...

server as a regular X client. During the session, the server can send KeepAlive packets to the display manager at intervals. If the display manager fails...

Protocol state No 125 bytes Ping 9 May be used for latency measurement, keepalive and heartbeat. Both sides can initiate a ping (with any payload). Whoever...

a TLS-based tunnel Built-in event loop to handle Dead Peer Detection, keepalive, rekeying, etc. OpenConnect can be built to use either the GnuTLS or OpenSSL...

radioactive isotope, e.g. krypton-85, can also be used. Ignition electrodes and keepalive discharge electrodes can also be employed. The E/N ratio between the electric...

Digital Cultures, Leuphana University Lüneburg. The title, Keepalive, refers to the keepalive signal, a message – often sent at predetermined intervals...

specified directory. NOOP RFC 959 No operation (dummy packet; used mostly on keepalives). OPTS RFC 2389 Select options for a feature (for example OPTS UTF8 ON)...

SSL (MD5 & Kerberos 4/5); Security Icon in lower-left corner of window; Keepalive connections SunOS 4.1.3 Solaris 2.3 and 2.4 AIX 4.4 IRIX 4.0.x and 5.x...

this address (many-to-many connections are not supported). To monitor keepalive status and allocate bandwidth, devices may use RTCP report interval, SIP...

J. Ordemann & Simon D. Barber, "Generic routing encapsulation tunnel keepalives", issued 2010-09-21, assigned to Cisco Technology Inc.  S. Hanks; T. Li;...

first Frame Relay switch to which it is connected. Information about keepalives, global addressing, IP multicast and the status of virtual circuits is...

Proxy Continue. Type 40 - Proxy Remove Upstream. Type 41 - RTMFP Set Keepalives. Type 46 - Segment Not Found. Pong is the name for a reply to a Ping,...

Boolean (defaults to YES) Deprecated as of 10.5 with the more powerful KeepAlive option. A Boolean flag that defines if a job runs continuously or not...

user-configurable answerback message, as did its successors. C0 and C1 control codes Keepalive "Enquiry Character: Definition and additional resources from ZDNet". ZDNet...

specification for connection establishment, zero-window probing, and keepalive transmissions. In October 2002, one of the earliest known cases of time...

accomplished through the use of timeouts and keepalives with actual data transmissions doubling as keepalives to minimize traffic. If a child node does not...