Mobile Bay Pipeline Company

Second Revised Volume No. 1

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Effective Date: 08/01/1998, Docket: RP98-329-000, Status: Effective

Second Revised Sheet No. 187 Second Revised Sheet No. 187 : Effective

Superseding: Substitute First Revised Sheet No. 187





Within a reasonable amount of time, all EBB information, functions and

transactions should be achieved via one mode of communications.

Information and functions should remain available through existing

systems until one mode of communication is available. Implementation

timelines for this activity would be determined during the 1997 annual

planning activities held in 1996.

4.3.7 At a minimum, the designated site should be accessible via the

public Internet. This specifically does not preclude location of the

designated site on a private intranet as long as the designated site

is accessible via the public Internet.

4.3.8 The minimum acceptable protocol should HTTP. All sending and

receiving parties should be capable of sending and receiving using


4.3.9 There is a time stamp (HTTP Time-stamp) that designates the time

that a file is received at the designated site. The receiving party

must generate a time-stamp upon successful receipt of the complete

file and send as an immediate response to the sending party. The

time-stamp will be generated by Common Gateway Interface (CGI) of

the receiving party, prior to further processing by the CGI.

4.3.10 The time-stamp will be included in the HTTP response back to the

sender of the original HTTP transaction. It is recommended that the

server clock generating the time-stamp be synchronized with the

National Institute of Standards and Technology (NIST) time in order

to mitigate discrepancies between the clocks of the sender and


4.3.11 The HTTP response will be sent to the sending Internet Protocol (IP)

address. Other response documents will be returned to the official

designated site defined in the Trading Partner Agreement.

4.3.12 As a minimum, within a trading partner agreement, one designated

site for receipt should be identified for each trading partner. That

site should be identified by a specific Uniform Resource Locator,

(URL). This does not preclude multiple designated sites being

mutually agreed to between trading partners.

4.3.13 The sender will make three attempts to complete a unit of work.

After three failed attempts, it will be considered a failure.

4.3.14 The role of sender and receiver are defined in following table. The

entire table defines a unit of work:

Client (Sender) Server (Receiver) CGI (Receiver)

Listen for Connect

Connect Accept Connection

Write Read Start of Receipt

Write Read

EOF (send) Read End of Receipt

Read (HTTP response) Write (HTTP response)


EOF (HTTP response)