Term
| What does a line starting with “o=” usually specifies in SDP? |
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Definition
| o= (originator and session identifier : username, id, version number, network address) the origin |
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Term
| What kinds of media types are specifiable by SDP? (name three) |
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Definition
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Term
| To what type of IP address the session information is sent to by SDP? |
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Term
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Definition
| delivery of entertainment video of Ip to provide info about video content of each TV ch name and explain explain two catagories that discribe SIP's capabilities |
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Term
| Name and briefly explain two of the categories that describe SIP’s capabilities. |
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Definition
| user location-determining correct device to comm and user ability- if the user is willing or able to take part in a particular comm session |
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Term
| What is the implication of SIP being focused on human-to-human communications rather than on client-server like HTTP? |
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Definition
| proxy, point of contact for a user where initial requests for comm are sent |
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Term
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Definition
| point of contact for a user where initial requests for comm are sent |
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Term
| How does a SIP proxy use forking? |
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Definition
| sends msgs to more then one device done in parallel or in series |
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Term
| What is the first message generated in a SIP exchange? |
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Definition
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Term
| In a SIP invite what is the most popular Content-Type used and why? |
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Definition
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Term
| What does a code of 100 (incoming message) mean for the sender of a SIP invite? |
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Definition
| 100 trying, meaningincoming msg was rec without errorby the callers proxy |
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Term
| If the destination of a SIP invite accepts the incoming session, what message code does it send back? |
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Definition
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Term
| Where does a destination node (for a SIP invite) include information about the capabilities it has (e.g. audio, video, etc)? |
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Definition
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Term
| What entities standardized the SIP and the H.323 protocols? |
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Definition
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Term
| What is an H.323 gateway used for? |
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Definition
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Term
| What protocol is used to coordinate the properties of a call in H.323? |
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Definition
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Term
| What kind of information does the real time control protocol carry? |
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Definition
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Term
| What protocol can be used to allocate network resources to an application? |
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Definition
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Term
| How does a multimedia application use the differentiated services code point? |
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Definition
| in IP header of PKT it generates to ensure media and control PKT receive appropriate quality of service |
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Term
| What is the RSVP protocol used for? |
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Definition
| Ensure resources are allocated along a path |
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Term
| In his talk. Dr. Shenker discusses how we currently control networks; describe one of the three ways we do this today. |
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Definition
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Term
| How does Dr Shenker suggests that end-to-end loops be handled in a distributed network control architecture? |
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Definition
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