Question about Internet Draft of Encapsulation for Ip over Mpeg2/DVB

["Simon Teh" <chteh@nrg.cs.usm.my>]

Dear all members,

 

           Currently I’m reading an internet draft Ultra Lightweight Encapsulation (ULE) Extension Header. From this document, I’m quite confusing of this line:

 

               

                    Internet Engineering Task Force                                Bernhard Collini-Nocker

                    Internet Draft                                                                                   Hilmar Linder

                    Document: draft-collini-ipdvb-xule-00.txt                 University of Salzburg

                                                                                                                                Gorry Fairhurst

                                                                                                                University of Aberdeen

                                                                                            

                                                                                           

                                                                                           

                    Category: Internet Draft                                       May 2004

                    

                    

                            Ultra Lightweight Encapsulation (ULE) Extension Header        

 

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 2.2 Optional Extension Headers

                       

                       A next-layer-header value greater than or equal to 512 decimal

                       (0x0100, hexadecimal) and less than 1536 decimal (0x600,

                       hexadecimal), indicates an Optional Extension Header. When a

                       Receiver encounters a next-layer-header indicating an Optional

                       Extension Headers, it MAY be configured to either:

 

            Is there any mistake or….? I hope somebody could help me. Thanks for reading my mail!

 

Best Regards,

Simon Teh

Universiti Sains Malaysia