Now want to under the framework of LTE in IP layer and link layer with a specific function layer, to encode for IP packet processing, but in order not to change the lower layer protocols, want to add this layer, to directly change the IP header, make the package to the link layer have IP submitted to the original structure, and can carry our coding information, the assumption that the natural thought about the Option field of IP to alter, but check the information later said Option is generally not used, and has set specific content, now want to ask, can according to their own requirements for this field to add information, also please correct me if there is a wrong place,

CodePudding user response:

If it is a point to point, this way is very good, but if it is in the middle to the router, the strong do not recommend you do it:
1. Increase the length of the option will change in baotou, in order to reduce the burden of his many routers, don't do processing to baotou length change of package, may be just lost
2. The option is defined using the, even if the router support, due to the part of the field is the option to router to handle, such as increasing timestamp, record path, etc., your data may be coupled on to change the router, or routers in order to avoid further processing such requests will be the package directly to the discarded,

CodePudding user response:

reference 1st floor kinkon007 response:

if it is a point to point, this way is very good, but if it is the middle to the router, the strong do not recommend you do it:
1. Increase the length of the option will change in baotou, in order to reduce the burden of his many routers, don't do processing to baotou length change of package, may be just lost
2. The option is defined using the, even if the router support, due to the part of the field is the option to router to handle, such as increasing timestamp, record path, etc., your data may be coupled on to change the router, or routers in order to avoid further processing such requests will be the package directly to the discarded,

if only RAN in LTE part do? Only on the change of the base station, communication among the users with the base station and didn't do change, what do you mean if we can guarantee within the scope of all base stations to support this function can be changed? In addition, the Option field is already defined, is not according to their own intend to add a new definition for him? Also hope can I doubt is, grateful

CodePudding user response:

LTE agreement I don't understand, RAN as long as it is not defined by standard document, but also will not be in the middle after the equipment changes of data, or use the area should be no problem,
You can add a custom option, increase the length of the change in baotou, afraid is afraid when packets across a router with the option may be modified by the router or discarded, because a lot of router does exist discarded with option package, as for your custom option, this will have to give it a try,
Can use first ping IP - r 9 to try to take the option packages can through your network environment,

CodePudding user response:

reference kinkon007 reply: 3/f

LTE agreement I don't understand, RAN as long as it is not defined by standard document, but also will not be in the middle after equipment changes or use the area data, should be no problem,
You can add a custom option, increase the length of the change in baotou, afraid is afraid when packets across a router with the option may be modified by the router or discarded, because a lot of router does exist discarded with option package, as for your custom option, this will have to give it a try,
Can use first ping IP - r 9 to try to take the option packages can through your network environment,

ok thank you