2.2.3.3.5 X-PendingPeriod Header Field

The X-PendingPeriod header field, returned by the server, specifies the number of milliseconds to be expected between keep-alive PENDING meta-tags in the response stream while the server is executing the request. The default value of this header is 30000 milliseconds (30 seconds).<1>

For more details about client keep-alive functions, see section 3.1.5.3. For more details about the server keep-alive function, see section 3.2.5.3.