Lesson 6 - Term

Question 1

What are firewalls

Answer 1

Form of packet classification, Implemented at entry and exit points of networks to filter out unwanted traffic

Question 2

What are resource reservation protocols

Answer 2

Form of packet classification, E.g. DiffServ uses reserve bandwidth between source and destination

Question 3

What is routing based on traffic type

Answer 3

Form of packet classification, helps avoid delays for time-sensitive applications

Question 4

What is linear search

Answer 4

Type of firewall implementation for searching rules in a database and keeping track of best-match rule

Question 5

What is caching

Answer 5

Another packet classification solution, cache search results for faster classification

Question 6

What is the backracking approach

Answer 6

Opposite of the set-pruning approach, the search algorithm “backtracks” search on the source tries associated with all ancestors, which results in a lower memory requirement