mạng máy tính nâng cao nguyễn đức thái chương ter7 the application layer sinhvienzone com

om nh Vi en Zo ne C Chapter Si The Application Layer SinhVienZone.com https://fb.com/sinhvienzonevn Zo ne C The DNS Name Space Resource Records Name Servers Si nh Vi en • • • om DNS – The Domain Name System SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om The DNS Name Space A portion of the Internet domain name space SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om Resource Records The principal DNS resource records types SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om Resource Records (2) A portion of a possible DNS database for cs.vu.nl SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om Name Servers Part of the DNS name space showing the division into zones SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om Name Servers (2) How a resolver looks up a remote name in eight steps SinhVienZone.com https://fb.com/sinhvienzonevn nh Vi en Zo ne C Architecture and Services The User Agent Message Formats Message Transfer Final Delivery Si • • • • • om Electronic Mail SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om Electronic Mail (2) Some smileys They will not be on the final exam :-) SinhVienZone.com https://fb.com/sinhvienzonevn Zo ne Composition Transfer Reporting Displaying Disposition Si nh Vi en • • • • • C Basic functions om Architecture and Services SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om SIP – The Session Initiation Protocol The SIP methods defined in the core specification SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om SIP (2) Use a proxy and redirection servers with SIP SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om Comparison of H.323 and SIP SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om Video Analog Systems The scanning pattern used for NTSC video and television SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om The JPEG Standard The operation of JPEG in lossy sequential mode SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om The JPEG Standard (2) (a) RGB input data (b) After block preparation SinhVienZone.com https://fb.com/sinhvienzonevn nh Vi en Zo ne C om The JPEG Standard (3) Si (a) (b) (a) One block of the Y matrix (b) The DTC coefficients SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om The JPEG Standard (4) Computation of the quantized DTC coefficients SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om The JPEG Standard (5) The order in which the quantized values are transmitted SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om The MPEG Standard Synchronization of the audio and video streams in MPEG-1 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om The MPEG Standard (2) Three consecutive frames SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om Video on Demand Overview of a video-on-demand system SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om Video Servers A video server storage hierarchy SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om Video Servers (2) The hardware architecture of a typical video server SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om The MBone – The Multicast Backbone MBone consists of multicast islands connected by tunnels SinhVienZone.com https://fb.com/sinhvienzonevn ... and reading mail when the receiver has a permanent Internet connection and the user agent runs on the same machine as the message transfer agent (b) Reading e-mail when the receiver has a dial-up...Zo ne C The DNS Name Space Resource Records Name Servers Si nh Vi en • • • om DNS – The Domain Name System SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Zo ne C om The DNS Name... Static Web Documents Dynamic Web Documents HTTP – The HyperText Transfer Protocol Performance Ehnancements The Wireless Web Si • • • • • • om The World Wide Web SinhVienZone.com https://fb.com/sinhvienzonevn